Relevant bibliographies by topics / Green Rooves

Academic literature on the topic 'Green Rooves'

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Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Green Rooves"

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Muscas, Desirée, Fabiana Frota De Albuquerque Landi, Claudia Fabiani, David Grohmann, and Lucia Rocchi. "Zoysia Soil-Less Green Roof’s Performance: A Life Cycle Assessment." Environmental and Climate Technologies 26, no. 1 (January 1, 2022): 955–67. http://dx.doi.org/10.2478/rtuect-2022-0072.

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Abstract The use of green roofs is demonstrated to improve the energy performance of buildings, increase biodiversity, reduce environmental impacts of urban areas, and mitigate climate change phenomena. Their use on a large scale is desirable in the coming years. Still, the choice of the most suitable green roof design solution should also consider the impacts of their production. Within this study, the Life Cycle Assessment methodology was used to evaluate the environmental impact of a particular typology of soil-less green roofs ideated by an Italian company. In this lightweight green roof, the growing medium is replaced by recycled felt layers, filtration is guaranteed by geotextile, and a closed-loop sub-irrigation system fertilises the pre-growth lawn placed on the top. The extremely low weight of this system suggests an optimal use in building retrofitting scenarios, but its environmental implication was not known. The environmental impact of this product has been assessed with an attributional cradle-to-gate approach through four different methodologies (ReCiPe midpoint and endpoint H V1.1, Ecological footprint V1.01, and IPCC 2013 GWP 100y V1.0) using the ecoinvent v3, Agri-footprint 1.0, and ELCD database on the SimaPro 8.4.4.0 software. The IPCC method has shown a Global Warming Potential of 7.66 kg of CO2 eq. for 1 m2 of Pratotetto® green roof; however, the reuse of waste materials from the textile industry must be considered.
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Contreras-Bejarano, Oscar, and Paula Andrea Villegas-González. "Techos verdes para la gestión integral del agua: caso de estudio Chapinero, Colombia." Tecnología y ciencias del agua 10, no. 5 (September 1, 2019): 282–318. http://dx.doi.org/10.24850/j-tyca-2019-05-11.

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Shushunova, Natalia Sergeevna, Elena Anatolyevna Korol, and Nikolai Ivanovich Vatin. "Modular Green Roofs for the Sustainability of the Built Environment: The Installation Process." Sustainability 13, no. 24 (December 13, 2021): 13749. http://dx.doi.org/10.3390/su132413749.

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The research object is the installation process of modular green roofs with planters placed on the concrete roof’s surface. These roofs effectively reduce rainfall disposal, prolong the lifespan of the roof coating, and enhance urban aesthetic and recreational spaces. Green roofs reduce houses’ gas emissions and increase green spaces in densely built areas. The spatial–technological model was developed for the proposed modular green roof based on network planning, scheduling theory, and graph theory. The sequence and composition of technological processes and operations were established for the installation process. The functional model of installing a modular green roof has been developed. The model makes it possible to optimise the principles of saving labour contribution (working hours) and time.
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Yan, Bing. "The Research of Ecological and Economic Benefits for Green Roof." Applied Mechanics and Materials 71-78 (July 2011): 2763–66. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.2763.

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Green roofs are a passive cooling technique that stop incoming solar radiation from reaching the building structure below. Many studies have been conducted over the past 10 years to consider the potential building energy benefits of green roofs and shown that they can offer benefits in winter heating reduction as well as summer cooling.With review and summarized the description of its functional traits in our country, this paper discuss the necessity to carry out the research on the functional traits of green roofs, and gave some suggestions about how to do this.At last, we propose the estimate method for the cost of green roofs construction project and green roof’s economic value and ecological benefit.
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Nadja Martins de Mendonça, Tatyane, Vitor Muniz Henriques, and Aluísio Braz de Melo. "Extensive Green Roofs (Modulars, Continuous and Aerial) Supported on Premolded Concrete Bases." International Journal of Engineering and Technology 7, no. 5 (December 2015): 370–76. http://dx.doi.org/10.7763/ijet.2015.v7.821.

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Yuliani, Sri, Gagoek Hardiman, and Erni Setyowati. "A COMPARISON OF HEAT PERFORMANCE BETWEEN GREEN ROOFS ON CONCRETE AND GREEN ROOFS ON CORRUGATED ZINC." DIMENSI (Journal of Architecture and Built Environment) 47, no. 2 (June 29, 2021): 55–64. http://dx.doi.org/10.9744/dimensi.47.2.55-64.

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Green roofs are generally applied to concrete roofed buildings. This study compares the thermal performance of green roofs that occur in corrugated concrete and zinc to expand green roof innovation. The study experimented on a method using the 2011 Ecotect computer simulation. The results showed that the difference in temperature reduction in corrugated zinc was higher than in concrete. Changes in heat outside the roof space on both have a number that has a relatively small difference, but the difference in heat is visible in the inner space. Based on the thermal performance of the roof, the use of corrugated zinc roofs as the base of the green roof in the building could be an alternative green roof material besides concrete.
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Poë, Simon, Virginia Stovin, and Christian Berretta. "Parameters influencing the regeneration of a green roof’s retention capacity via evapotranspiration." Journal of Hydrology 523 (April 2015): 356–67. http://dx.doi.org/10.1016/j.jhydrol.2015.02.002.

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Kelly, M., and J. E. L. Boyd. "Green engineering for livestock production systems." BSAP Occasional Publication 28 (2001): 23–28. http://dx.doi.org/10.1017/s1463981500040942.

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AbstractThis paper concentrates on livestock production systems by introducing sustainable housing characteristics, and the type of information required to make an informed choice on environmentally sound materials and systems. It then compares energy use in two contrasting beef cattle systems, one a conventional straw-bedded court and roofed silo, with feed delivered by a side-delivery wagon, and the other a roofless woodchip corral and earth-bank silo, with feed delivered by fore-end loader. The woodchip corral system requires 70% less energy than the conventional bedded court, when the total energy inputs are analysed for preparation of the building materials, construction of the livestock accommodation with associated feed and waste storage, and manufacture and operation of machinery. However, when energy used in feed production is included this dominates the energy budget, accounting for 60% of all energy used in the conventional bedded court, and 85% of energy used in the woodchip corral system.
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Skala, Vojtěch, Michal Dohnal, Jana Votrubová, and Vladimíra Jelínková. "The use of simple hydrological models to assess outflow of two green roofs systems." Soil and Water Research 14, No. 2 (April 5, 2019): 94–103. http://dx.doi.org/10.17221/138/2018-swr.

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Hydrological response of anthropogenic soil systems, including green roofs, has crucial importance in many fields of water engineering and management. As a consequence, there is an increasing need for modelling of the anthropogenic soil systems behaviour. To obtain empirical data, two green roof test beds were established on a green roof of University Centre for Energy Efficient Buildings, Czech Technical University in Prague. Each test bed is 1 m<sup>2</sup> in area and is instrumented for the runoff monitoring. One test bed was filled with less permeable local soil, the other with highly permeable commercial soil substrate, both were planted with stonecrops. Two simple deterministic lumped models – a nonlinear reservoir model and a linear reservoir cascade model – were used to assess the hydrological response of these green roof systems. The nonlinear reservoir model seems more appropriate for extensive green roof systems than the linear reservoir cascade model because of better description of rapid system reaction typical for thin soil systems. Linear reservoir cascade model frequently failed to mimic internal variability of observed hydrographs. In systems with high potential retention (represented by the test bed with local soil), episodically applied models that consider the same initial retention capacity for all episodes do not allow plausible evaluation of the actual episode-related retention. In such case, simulation model accounting for evapotranspiration between the rainfall events is needed.
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Friedman, Avi. "Design strategies for integration of green roofs in sustainable housing." VITRUVIO - International Journal of Architectural Technology and Sustainability, no. 1 (December 29, 2015): 57. http://dx.doi.org/10.4995/vitruvio-ijats.2015.4475.

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<p>Green roofs are the integration of plant material and its supporting structures in buildings. Such an approach provides a habitat for local flora and fauna, helps manage storm water, reduces heat demand in winter and the cooling load in the summer, enhances the aesthetic values of dwellings, provides the occupants with comfort and amenities and strengthens environmental responsibility. Because roofs represent approximately 40 percent to 50 percent of the surfaces in urban areas, green roofs have an important role in drainage and as a result water management as well. In fact, when a green roof is installed on 50 percent or more of the roof’s surface, it guarantees 2 points and can contribute 7 additional points toward LEED certification - almost 20 percent of the required rating. This paper classifies green roofs and offers strategies for their integration in residential buildings and examines their benefits, construction principles and applications.</p>
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Dissertations / Theses on the topic "Green Rooves"

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Kasmin, Hartini. "Hydrological performance of green roofs." Thesis, University of Sheffield, 2010. http://etheses.whiterose.ac.uk/10354/.

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Due to an increase in impermeable hard surfaces, urbanization has led to the deterioration of urban watercourses and increased the quantity of stormwater runoff. It may be argued that the current norm of impermeable roofs represents a wasted opportunity. Green roofs have the potential to replace some of the hydrological characteristics of natural catchments that are normally lost as a consequence of urbanization and the removal of vegetation. The overall aim of this study was to develop a generic green roof rainfall runoff response model capable of predicting the temporal variations within any configuration of green roof in response to an arbitrary rainfall input. It was recognized that the preliminary investigations has led to the identification of a subset of processes/parameters for a green roof which warranted more detailed investigation. In this case the substrate moisture holding capacity and the losses due to evapotranspiration were identified as key controlling variables to be identified. To simulate the function of stormwater drainage, a direct observation of the system's behaviour is required. Hence, an established 'typical' small scale green roof (1.0 in x 3.0 m) on the roof of Sheffield University has been monitored with the intention to relate both retention and detention with fundamental, measurable, physical properties of the system. A continuous long time-series of data, in the period of 29 months, from the test rig was analysed and interpreted. Laboratory analyses on physical properties and evaporation of the substrates were undertaken and relationships between measureable physical properties and model parameter values were identified. The empirical (requiring site-specific calibration using monitored data) conceptual model now has been developed into a physically-based model. Although the model still needs to be refined, independent physically-based methods have been identified for defining two key parameters (evapotranspiration (ET) and the maximum moisture-holding capacity (WC,,, a,, )). ET can be estimated using a modified form of Thornthwaite's equation, and WC.., may be determined by physical laboratory assessment of the substrate. The proposed hydrological model has been shown to reproduce monitored data, both during a storm event, and over a longer continuous simulation period.
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Rumble, Heather. "Quantifying the soil community on green roofs." Thesis, University of London, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.603503.

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With the majority of people living in cities, innovative solutions for greening the urban environment are necessary to provide ecosystem services such as urban cooling and remediating habitat loss. Green roofs are one potential solution within green infrastructure. Few studies have investigated whether green roofs are a good urban habitat, particularly for soil organisms. The soil food web is vital to above-ground ecosystem processes as it regulates nutrients and can alleviate drought stress, so could be an important but overlooked factor in green roof design. This is the first multi-season study to examine green roof soil organisms in detail, whilst tracking abiotic factors and plant cover. The first part of this thesis characterises the microarthropod and microbial community present on two green roofs in Greater london. It was found that the mite population was dominated by a xerophilic family (Scutoverticidae) and that collembola suffered population crashes in summer. Soil bacteria and fungi were low in abundance, but were more prevalent in dry weather. In general the soil community was impoverished and influenced by drought. The second part of this thesis explores the, use of microbial inoculants to improve the soil community. Bacteria, mycorrhiza and Trichoderma were added to a new and mature roof. On the mature roof, plant growth was not affected by treatments, but collembola populations were higher when Trichoderma were added. On the new roof, inoculants negatively affected plant growth and mite populations, but benefitted collembola. Soi l organisms on the new roof colonised independently and from the Sedum plugs. One species of rarely recorded collembola (Sminthurinu5 trinotatus) colonised early after construction. Planting with Sedum was found to improve the soil community compared to leaving the substrate bare. The results presented here highlight that C.ll rrent green roof designs do not support a functional soil community but that microbial inoculants have the potential to improve them.
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Peterson, Nicole L. Srebric Jelena. "On-site performance of extensive green roofs." [University Park, Pa.] : Pennsylvania State University, 2009. http://honors.libraries.psu.edu/theses/approved/WorldWideIndex/EHT-23/index.html.

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Alexandri, Eleftheria. "Investigations into mitigating the heat island effect through green roofs and green walls." Thesis, Cardiff University, 2006. http://orca.cf.ac.uk/55418/.

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This thesis investigates the thermal effect of green roofs and green walls on the built environment and investigates whether they could be used in existing cities so as mitigate the heat island effect. In order to estimate this for various climates, a prognostic, micro-scale, two-dimensional heat and mass transfer model has been developed. In the first chapter the aim, objectives and methodology of the research are established. In the second chapter a literature review of the causes and the consequences of the heat island effect is made, as well as a critique on the use of urban parks for mitigating raised urban temperatures. In the third chapter, a research is carried out where, when and why roofs and walls were covered with vegetation. In the fourth chapter the development of the one-dimensional model is presented, for heat and mass transfer in building materials, a soils, plants and the air. The model is validated with an experiment conducted at a concrete and a vegetated test cell. A comparison is made between green roofs and conventional concrete ones, as well as with white coated roofs for different climates. In the fifth chapter the one-dimensional model is developed into a two-dimensional one and the microclimatic heat and mass transfer model of a typical urban canyon is established. In the sixth chapter, the model is used to investigate the effect of green roofs and green walls for various climates, geometries, canyon orientations and wind directions. From this parametric analysis, an investigation is done on how the raised urban temperatures could lower when the building envelope is covered with vegetation, which could lead to energy savings for cooling and more comfortable outdoor conditions. In the last chapter, conclusions are drawn from the results of this thesis and further research is proposed.
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Nagase, Ayako. "Plant selection for green roofs in the UK." Thesis, University of Sheffield, 2008. http://etheses.whiterose.ac.uk/10325/.

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The use of green roofs is increasing in many countries because of their benefits to the urban environment. However, only a few plant selection studies for green roofs have been carried out and little information on plant performance on roof environments is available in the UK climate. As a result, only a limited range of plants such as Sedum spp. are commonly used for green roofs, especially for shallow substrate green roofs. Therefore, this thesis investigates plant selection for extensive green roofs in the UK. The work in this thesis focused on the following objectives. (1) To identify groups of plants that have potential for use on green roofs, with regard to tolerance of rooftop conditions, (2) To investigate establishment methods for diverse, attractive, flowering green roof vegetation, with attention to seedling techniques, (3) To test survival and performance of a selected range of species and cultivars from the previously identified groups (annuals and geophytes) at different substrate depths, irrigation regimes and covering plants treatments, (4) To compare green roof performance (water management and drought tolerance) between different vegetation types and drought tolerance with different percentages of organic matter in the growing substrate, (5) To investigate the performance of plants as well as their aesthetic appeal, seasonal interest over time and what is required for maintenance (weed Invasion and self-seeding). The direct sowing of perennial and grass mixtures, the use of annual plant seed mixtures and the use of geophytes could be useful techniques for the quick establishment, long flowering, their beautiful colour of flowers, cost effectiveness and providing food resources for biodiversity in an extensive green roof. Germination testing revealed that many perennial and grasses which have potential for use in extensive green roofs did not require chilling for germination and had high germination rates in spring. The results suggested that spring might be the best season for direct sowing on the roofs for quick establishment. In annual plant meadows, it was shown that a low sowing density could be better than high density to reduce competition, resulting in good individual plant growth when there was sufficient watering. However, a high sowing density was recommended for the dry conditions. For geophytes, growth, survival rate, regeneration and flowering were more successful in a deeper substrate rather than a shallow substrate. The vegetation cover by Sedum seemed to work as a protection layer and the overall emergence was encouraged with Sedum, especially in the shallow substrate. In the study of amount of water runoff from different vegetation types, it was shown that grass species may be the most effective for reduction of water runoff followed by forbs and sedums. The size and structure of plants significantly influenced the amount of water runoff, however, species richness did not affect the amount of water runoff significantly. In the study of the drought tolerance of different vegetation types, the forbs and grasses groups used in this study reached permanent wilting point after two to three weeks of no watering and they were required to be watered once a week to maintain their visually attractive forms. Sedum spp. were able to survive well and maintain good visual quality even after three weeks of no watering. There was a tendency that overall survival increased as species richness increased. The diversity in vegetation reduced the vigor potential dominant species. In the investigation of the relationship between percentage of organic matter of substrate and plant growth, it was concluded that about 10% (about 14% in total) of organic matter was the best because the plants showed stable growth regardless of the watering regime. In wet conditions, increased organic matter resulted in increased growth, whereas in the dry conditions, increased organic matter did not result in increased growth. In the investigation of plant growth and performance on an existing semi-extensive green roof it was shown that it is possible to create low-input green roofs which have long flowering and seasonal interest with a little maintenance and supplemental irrigation if appropriate plants were chosen. Plant species diversity might affect overall flowering succession and dynamic change and planting density might affect interaction between plants. In areas of high plant species diversity, there were more possibilities to have a longer flowering term, more seasonal interest and dynamic change than low plant species diversity. In areas of low planting density, individual plants generally produced the better growth than those in high planting density. Moreover, plant growth had more interaction between species in the higher planting density. The tendency was observed that the plants had better growth in the NE and the SE. Also, longer flower duration was shown in the NW whereas many species started flower from the SE. The combination of low plant species diversity and high planting density appeared to reduce weeds effectively. Using a gravel mulch in the shallow substrate could reduce the number of weeds significantly.
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呂兆婷 and Shiu-ting Elsa Lui. "Life cycle assessment of green roof systems in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B41549508.

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Deng, Huijuan, and 邓惠娟. "Ecological benefits and species selection of tropical extensive green roofs." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/206421.

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Wong, Kwan-lam, and 王韵琳. "The mitigating effect of substrate depth on green roof stormwater discharge." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/207562.

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Urbanization replaces once permeable surfaces with relatively impervious ones, thereby degrading the natural hydrologic cycle. Impervious surfaces intensify stormwater runoff in terms of overall mass and temporal response, especially under torrential rainfalls. Since such runoff could become massive in volume and concentrated in time, they place significant stress on the urban drainage system and increase the risks of combined sewage overflow and flooding, which could introduce a range of deleterious consequences to cities and surrounding natural habitats. In sustainable urban stormwater management like the Low Impact Development, green roof presents an on-site source-reduction measure that mimics the pre-development hydrologic functions of storing and gradually releasing precipitation. Green roof can retain and detain stormwater as well as delay and suppress peak discharge. However, green roof stormwater studies have largely been conducted in non-tropical regions of the world. Since green roof’s quantitative hydrologic performance can be much influenced by local meteorological conditions, the degree to which such findings can be generalized to other climates, such as Hong Kong’s humid subtropical regime, calls for investigation. Moreover, substrate depth has long been regarded as an influential factor in green roof stormwater retention, but two recent studies have provided contradictory results. The objectives of this study are: 1) To evaluate green roof stormwater mitigation performance and potentials in Hong Kong for the first time; 2) To investigate systematically the effect of substrate depth on quantitative hydrologic performance; 3) To identify factors that affect green roof performance; 4) To develop a holistic conceptualization of the various system water storage spaces within a green roof system, for a better understanding of their role in stormwater mitigation. Using small-scale (1.1 m2) raised green roof plots placed on an actual urban rooftop, the effect of 40 mm soil, 40 mm soil + 40 mm rockwool, 80 mm soil, and 80 mm soil + 40 mm rockwool on stormwater mitigation performance relative to control were analyzed. Three core performance indicators (percent retention, peak delay, and peak reduction) were employed to evaluate green roof performance. The results suggest that, while the retention performance of the studied green roofs under Hong Kong’s heavy rainfall regime seems to be less effective, remarkable peak reduction and peak delay were observed even when the green roof system has reached full moisture-storage capacity. Such findings are in line with the proposed Green-roof System Capacity model that green roof serves as an effective buffer that regulates water flow through the system. No statistical significance was found between substrate-depth treatments, despite the higher performance across all three indicators for treatment 80. However, satisfactory peak performance of the 40-mm thin substrate suggests that green roof can be applied even on existing buildings that have limited loading capacity. Pertinent meteorological factors were identified. All in all, extensive green roof remains as an effective and promising alternative mitigation strategy to urban stormwater management in Hong Kong with potential application to other tropical areas.
Li Ka Shing Prize, The Best MPhil Thesis in the Faculties of Architecture, Arts, Business & Economics, Education, Law and Social Sciences (University of Hong Kong), 2012-2013.
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Lui, Shiu-ting Elsa. "Life cycle assessment of green roof systems in Hong Kong." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B41549508.

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molineux, Chloe J. "Development of suitable growing media for effective green roofs." Thesis, Royal Holloway, University of London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531329.

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Books on the topic "Green Rooves"

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Award-winning green roofs: Green roofs for healthy cities. Atglen, PA: Schiffer Pub., 2008.

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Roofed theaters of classical antiquity. New Haven: Yale University Press, 1992.

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Cantor, Steven L. Green roofs in landscape design. New York: W. W. Norton & Co., 2008.

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Christine, Goodwin, ed. Living architecture: Green roofs and walls. Collingwood, Vic: CSIRO Pub., 2011.

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Construction, New York Department of Design &. DDC cool & green roofing manual. Boston: Boston Redevelopment Authority, 2007.

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Associates, Michael Van Valkenburgh, ed. Green roof: A case study. New York: Princeton Architectural Press, 2007.

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Luckett, Kelly. Green Roof Construction and Maintenance. New York: McGraw-Hill, 2009.

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Luckett, Kelly. Green roof construction and maintenance. New York: McGraw-Hill, 2009.

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Green roof construction and maintenance. New York: McGraw-Hill, 2009.

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Luckett, Kelly. Green roof construction and maintenance. New York: McGraw-Hill, 2009.

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Book chapters on the topic "Green Rooves"

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Almusaed, Amjad. "Green Roofs." In Biophilic and Bioclimatic Architecture, 187–204. London: Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-534-7_15.

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Vernon, Siobhan, Susan Irwine, Joanna Patton, and Neil Chapman. "Green roofs." In Landscape Architect's Pocket Book, 185–91. 3rd ed. London: Routledge, 2021. http://dx.doi.org/10.4324/9781003119500-37.

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Friedman, Avi. "Green Roofs." In Fundamentals of Sustainable Dwellings, 183–97. Washington, DC: Island Press/Center for Resource Economics, 2012. http://dx.doi.org/10.5822/978-1-61091-211-2_11.

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Dunnett, Nigel. "Ruderal Green Roofs." In Ecological Studies, 233–55. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14983-7_10.

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Wilkinson, Sara, and Fraser Torpy. "Living Green Roofs." In Urban Pollution, 131–45. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119260493.ch10.

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Rowe, D. Bradley, and Kristin L. Getter. "Green Roofs and Garden Roofs." In Agronomy Monographs, 391–412. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/agronmonogr55.c19.

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Dvorak, Bruce, and Tom Woodfin. "Green Roofs in Intermontane Semi-Arid Grassland Ecoregions." In Ecoregional Green Roofs, 257–313. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58395-8_6.

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Dvorak, Bruce, and Lee R. Skabelund. "Green Roofs in Tallgrass Prairie Ecoregions." In Ecoregional Green Roofs, 83–142. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58395-8_3.

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Dvorak, Bruce, and Daniel Roehr. "Green Roofs in Fraser Lowland and Vancouver Island Ecoregions." In Ecoregional Green Roofs, 507–56. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58395-8_10.

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Dvorak, Bruce, and Olyssa Starry. "Green Roofs in Willamette Valley Ecoregions." In Ecoregional Green Roofs, 451–506. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58395-8_9.

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Conference papers on the topic "Green Rooves"

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Irvine, Grant, and Serdar Celik. "Thermal Comparison of Reflective and Non-Reflective Roofs with Thin-Film Solar Panels." In 2012 IEEE Green Technologies Conference. IEEE, 2012. http://dx.doi.org/10.1109/green.2012.6200974.

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Gibler, M. R. "Comprehensive Benefits of Green Roofs." In World Environmental and Water Resources Congress 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479162.221.

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Poorova, Zuzana, and Zuzana Vranayova. "Hydrological Performance of Green Roofs." In Advanced HVAC and Natural Gas Technologies. Riga: Riga Technical University, 2015. http://dx.doi.org/10.7250/rehvaconf.2015.034.

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Tase, Mirela, and Manjola Xhaferri. "Hydrological Performance of Green Roofs." In Advanced HVAC and Natural Gas Technologies. Riga: Riga Technical University, 2015. http://dx.doi.org/10.7250/rehvaconf.2015.035.

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Rogers, J. "Green, brown or grey: green roofs as ‘sustainable’ infrastructure." In SUSTAINABLE DEVELOPMENT AND PLANNING 2013. Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/sdp130271.

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Dasuni, KAL, T. Ramachandra, and MN Zainudeen. "Green roof as a technology towards sustainability: A perspective of benefits offered." In 10th World Construction Symposium. Building Economics and Management Research Unit (BEMRU), University of Moratuwa, 2022. http://dx.doi.org/10.31705/wcs.2022.42.

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Green roof is a building envelop embedded concept to compensate the consequences of green losses due to building constructions with its numerous benefits in all environmental, economic and social aspects. But the application of green roofs in Sri Lankan buildings is seemed to be limited due to the deficiency in comprehensive awareness of the benefits of the green roof concept among construction stakeholders. Though the global studies on green roof application are widespread among different green roof types, their results do not indicate any consistency between green roof application and climate. This warrants the current study to investigate the benefits offered by green roofs in the local context. A thorough literature synthesis had initially conducted to review the green roof concept, types of green roofs, and benefits offered. Subsequently, a preliminary investigation was performed to identify the green roofs available in Sri Lanka. Thereafter, the case study strategy was adopted to evaluate the benefits of intensive and semi-intensive green roof types through interviews. The collected data were analysed using manual content analysis. Analysis revealed that both intensive and semi-intensive type offers key benefits such as energy conservation, and stormwater run-off reduction in the Sri Lankan context. In addition, the intensive type offers benefits such as carbon emission control, and absorption of urbanized noise which can be aligned with the main criteria of sustainable sites, energy & atmosphere, and indoor environment quality of green rating systems. Therefore, the study suggests that an adequate recognition to green roof implementation in the green rating systems would enhance the green roof application and thereby contribute to achieving sustainability of buildings in terms of these criteria.
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Nomura, Masashi. "Insect fauna on different types of green roofs in Japan: Biotope, herb and meadow green roofs." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.114492.

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Buch-Hanser, Thomas Cornelius, Guangli Du, and David John Duffus. "Innovative green roof with high water retention and durability." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.0919.

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<p>Given the rapid increase in urban populations, combined with the effects of climate change, cities are struggling to provide green spaces to address liveability as well as adaptability to new challenges. Water retention and bio-diversity are the main advantages of green roofs. There are, however, limitations to green roofs that impede their acceptance and proliferation. There is for example uncertainty on how much water they retain during major storm events. In terms of building technology, green roofs today aren’t robust, and the risk for leakage through the roof membrane is disproportionally high when compared to the cost. A newly developed innovative green roof system with high water retention capacity and high durability will be presented. The patented prefabricated technology incorporate insulation and membrane into a single concrete element, ensuring improved robustness, quickened building times and a long term durable product. Initial indications for pricing indicate that the system is price-neutral when compared with green roofs as they are built today. The optimized structural performance obtain same loadbearing capacity, as existing systems, in spite of the relatively increased space created for water reservoir, without compromising the insulation capacity, hence the new green roof system further contribute to increased sustainability.</p>
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Sangal, Dhruv, and Hamidreza Najafi. "Investigation of Thermal and Energy Performance of Green Roofs in Florida Climate." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-71966.

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Buildings are responsible for approximately 40% of energy consumption in the United States. Utilizing efficient methods for reduction in energy consumption by buildings is of great importance. Green roofs have been known as an effective approach to reduce building energy usage (associated with cooling and heating load) as well as providing environmental benefits. In the present paper, a mathematical model is developed in MATLAB considering several aspects of green roofs. The model is validated using available data from previous experimental research studies. A simulation is conducted to assess the performance of green roofs in Melbourne, FL. The study includes calculation of the energy savings associated with using a green roof in summer months and winter months.
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Ryngnga, Phibankhamti. "Green Roofs for healthy living in cities: A new normal since Covid-19." In 7th GoGreen Summit 2021. Technoarete, 2021. http://dx.doi.org/10.36647/978-93-92106-02-6.1.

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The concept of green roofs is not new, it has developed long time back, but it has never been spoken largely until the sudden manifestation of a pandemic that struck nations worldwide. The pandemic has made urban residents to realize the importance of converting their grey to green roofs. The benefits of green roofs is manifold in nature as they not only add to aesthetically pleasing landscape but rather absorb rainwater, keeps the building warm, minimize air pollution, decrease stress of the people, improved human health and air quality. People now realize that green roof is the need of the hour because it promotes healthy living in cities in terms of nutritious food consumption, better air quality, and provide sense of mental peace and an agent of destressing busy life of the urban dwellers. Cities have been gradually been a better place since pandemic due to people’s choice to opt for gardening due to lockdown. So, in order to kill boredom, the urban residents opted gardening like vegetables, trees, and flowers on their grey roofs which in turn contributed to healthy cities. Thus, this paper will accentuate the significance of green roofs which in turn betters urban environment that have contributed for healthy living in cities.
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Reports on the topic "Green Rooves"

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Skabelund, Lee R., and M. M. Lekhon Alam. Kansas State University Memorial Stadium Green Roofs. Landscape Architecture Foundation, 2020. http://dx.doi.org/10.31353/cs1690.

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Castillo Garcia, Giorgina. Effects of Evaporative Cooling in the Thermal Performance of Green Roofs. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.181.

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Liu, Xinyu, Hoyoung Kwon, and Michael Wang. GREET® Analysis for TERRA/ROOTS Success Scenarios. Office of Scientific and Technical Information (OSTI), July 2019. http://dx.doi.org/10.2172/1546782.

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Miziolek, Konrad. Green Roofs Support a Wide Diversity of Collembola in Urban Portland, Oregon. Portland State University Library, January 2015. http://dx.doi.org/10.15760/honors.207.

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Gonsalves, Sydney. Green Roofs and Urban Biodiversity: Their Role as Invertebrate Habitat and the Effect of Design on Beetle Community. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.2998.

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Gardner, Maggie. Comparison of Body Size and Wing Type in Beetles Found on Green Roofs and Adjacent Ground Sites in Portland, Oregon. Portland State University Library, January 2016. http://dx.doi.org/10.15760/honors.332.

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Minz, Dror, Stefan J. Green, Noa Sela, Yitzhak Hadar, Janet Jansson, and Steven Lindow. Soil and rhizosphere microbiome response to treated waste water irrigation. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7598153.bard.

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Research objectives : Identify genetic potential and community structure of soil and rhizosphere microbial community structure as affected by treated wastewater (TWW) irrigation. This objective was achieved through the examination soil and rhizosphere microbial communities of plants irrigated with fresh water (FW) and TWW. Genomic DNA extracted from soil and rhizosphere samples (Minz laboratory) was processed for DNA-based shotgun metagenome sequencing (Green laboratory). High-throughput bioinformatics was performed to compare both taxonomic and functional gene (and pathway) differences between sample types (treatment and location). Identify metabolic pathways induced or repressed by TWW irrigation. To accomplish this objective, shotgun metatranscriptome (RNA-based) sequencing was performed. Expressed genes and pathways were compared to identify significantly differentially expressed features between rhizosphere communities of plants irrigated with FW and TWW. Identify microbial gene functions and pathways affected by TWW irrigation*. To accomplish this objective, we will perform a metaproteome comparison between rhizosphere communities of plants irrigated with FW and TWW and selected soil microbial activities. Integration and evaluation of microbial community function in relation to its structure and genetic potential, and to infer the in situ physiology and function of microbial communities in soil and rhizospere under FW and TWW irrigation regimes. This objective is ongoing due to the need for extensive bioinformatics analysis. As a result of the capabilities of the new PI, we have also been characterizing the transcriptome of the plant roots as affected by the TWW irrigation and comparing the function of the plants to that of the microbiome. *This original objective was not achieved in the course of this study due to technical issues, especially the need to replace the American PIs during the project. However, the fact we were able to analyze more than one plant system as a result of the abilities of the new American PI strengthened the power of the conclusions derived from studies for the 1ˢᵗ and 2ⁿᵈ objectives. Background: As the world population grows, more urban waste is discharged to the environment, and fresh water sources are being polluted. Developing and industrial countries are increasing the use of wastewater and treated wastewater (TWW) for agriculture practice, thus turning the waste product into a valuable resource. Wastewater supplies a year- round reliable source of nutrient-rich water. Despite continuing enhancements in TWW quality, TWW irrigation can still result in unexplained and undesirable effects on crops. In part, these undesirable effects may be attributed to, among other factors, to the effects of TWW on the plant microbiome. Previous studies, including our own, have presented the TWW effect on soil microbial activity and community composition. To the best of our knowledge, however, no comprehensive study yet has been conducted on the microbial population associated BARD Report - Project 4662 Page 2 of 16 BARD Report - Project 4662 Page 3 of 16 with plant roots irrigated with TWW – a critical information gap. In this work, we characterize the effect of TWW irrigation on root-associated microbial community structure and function by using the most innovative tools available in analyzing bacterial community- a combination of microbial marker gene amplicon sequencing, microbial shotunmetagenomics (DNA-based total community and gene content characterization), microbial metatranscriptomics (RNA-based total community and gene content characterization), and plant host transcriptome response. At the core of this research, a mesocosm experiment was conducted to study and characterize the effect of TWW irrigation on tomato and lettuce plants. A focus of this study was on the plant roots, their associated microbial communities, and on the functional activities of plant root-associated microbial communities. We have found that TWW irrigation changes both the soil and root microbial community composition, and that the shift in the plant root microbiome associated with different irrigation was as significant as the changes caused by the plant host or soil type. The change in microbial community structure was accompanied by changes in the microbial community-wide functional potential (i.e., gene content of the entire microbial community, as determined through shotgun metagenome sequencing). The relative abundance of many genes was significantly different in TWW irrigated root microbiome relative to FW-irrigated root microbial communities. For example, the relative abundance of genes encoding for transporters increased in TWW-irrigated roots increased relative to FW-irrigated roots. Similarly, the relative abundance of genes linked to potassium efflux, respiratory systems and nitrogen metabolism were elevated in TWW irrigated roots when compared to FW-irrigated roots. The increased relative abundance of denitrifying genes in TWW systems relative FW systems, suggests that TWW-irrigated roots are more anaerobic compare to FW irrigated root. These gene functional data are consistent with geochemical measurements made from these systems. Specifically, the TWW irrigated soils had higher pH, total organic compound (TOC), sodium, potassium and electric conductivity values in comparison to FW soils. Thus, the root microbiome genetic functional potential can be correlated with pH, TOC and EC values and these factors must take part in the shaping the root microbiome. The expressed functions, as found by the metatranscriptome analysis, revealed many genes that increase in TWW-irrigated plant root microbial population relative to those in the FW-irrigated plants. The most substantial (and significant) were sodium-proton antiporters and Na(+)-translocatingNADH-quinoneoxidoreductase (NQR). The latter protein uses the cell respiratory machinery to harness redox force and convert the energy for efflux of sodium. As the roots and their microbiomes are exposed to the same environmental conditions, it was previously hypothesized that understanding the soil and rhizospheremicrobiome response will shed light on natural processes in these niches. This study demonstrate how newly available tools can better define complex processes and their downstream consequences, such as irrigation with water from different qualities, and to identify primary cues sensed by the plant host irrigated with TWW. From an agricultural perspective, many common practices are complicated processes with many ‘moving parts’, and are hard to characterize and predict. Multiple edaphic and microbial factors are involved, and these can react to many environmental cues. These complex systems are in turn affected by plant growth and exudation, and associated features such as irrigation, fertilization and use of pesticides. However, the combination of shotgun metagenomics, microbial shotgun metatranscriptomics, plant transcriptomics, and physical measurement of soil characteristics provides a mechanism for integrating data from highly complex agricultural systems to eventually provide for plant physiological response prediction and monitoring. BARD Report
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Aly, Radi, James H. Westwood, and Carole L. Cramer. Novel Approach to Parasitic Weed Control Based on Inducible Expression of Cecropin in Transgenic Plants. United States Department of Agriculture, May 2003. http://dx.doi.org/10.32747/2003.7586467.bard.

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Our overall goal was to engineer crop plants with enhanced resistance to Orobanche (broomrape) based on the inducible expression of sarcotoxin-like peptide (SLP). A secondary objective was to localize small proteins such as SLP in the host-parasite union in order to begin characterizing the mechanism of SLP toxicity to Orobanche. We have successfully accomplished both of these objectives and have demonstrated that transgenic tobacco plants expressing SLP under control of the HMG2 promoter show enhanced resistance to O. aegyptiaca and O. ramosa . Furthermore, we have shown that proteins much larger than the SLP move into Orobanche tubercles from the host root via either symplastic or apoplastic routes. This project was initiated with the finding that enhanced resistance to Orobanche could be conferred on tobacco, potato, and tomato by expression of SLP (Sarcotoxin IA is a 40-residue peptide produced as an antibiotic by the flesh fly, Sarcophaga peregrina ) under the control of a low-level, root-specific promoter. To improve the level of resistance, we linked the SLP gene to the promoter from HMG2, which is strongly inducible by Orobanche as it parasitizes the host. The resulting transgenic plants express SLP and show increased resistance to Orobanche. Resistance in this case is manifested by increased growth and yield of the host in the presence of the parasite as compared to non-transgenic plants, and decreased parasite growth. The mechanism of resistance appears to operate post-attachment as the parasite tubercles attached to the transgenic root plants turned necrotic and failed to develop normally. Studies examining the movement of GFP (approximately 6X the size of SLP) produced in tobacco roots showed accumulation of green fluorescence in tubercles growing on transformed plants but not in those growing on wild-type plants. This accumulation occurs regardless of whether the GFP is targeted to the cytoplasm (translocated symplastically) or the apoplastic space (translocated in xylem). Plants expressing SLP appear normal as compared to non-transgenic plants in the absence of Orobanche, so there is no obvious unintended impact on the host plant from SLP expression. This project required the creation of several gene constructs and generation of many transformed plant lines in order to address the research questions. The specific objectives of the project were to: 1. Make gene constructs fusing Orobanche-inducible promoter sequences to either the sarcotoxin-like peptide (SLP) gene or the GFP reporter gene. 2. Create transgenic plants containing gene constructs. 3. Characterize patterns of transgene expression and host-to-parasite movement of gene products in tobacco ( Nicotiana tabacum L.) and Arabidopsis thaliana (L.). 4. Characterize response of transgenic potato ( Solanum tuberosum L.) and tomato ( Lycopersicon esculentum Mill .) to Orobanche in lab, greenhouse, and field. Objectives 1 and 2 were largely accomplished during the first year during Dr. Aly's sabbatical visit to Virginia Tech. Transforming and analyzing plants with all the constructs has taken longer than expected, so efforts have concentrated on the most important constructs. Work on objective 4 has been delayed pending the final results of analysis on tobacco and Arabidopsis transgenic plants. The implications of this work are profound, because the Orobanche spp. is an extremely destructive weed that is not controlled effectively by traditional cultural or herbicidal weed control strategies. This is the first example of engineering resistance to parasitic weeds and represents a unique mode of action for selective control of these weeds. This research highlights the possibility of using this technique for resistance to other parasitic species and demonstrates the feasibility of developing other novel strategies for engineering resistance to parasitic weeds.
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