Journal articles: 'Biosaline agriculture'

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Dantas, Bárbara França, Renata Conduru Ribeiro, Janete Rodrigues Matias, and Gherman Garcia Leal Araújo. "Germinative metabolism of Caatinga forest species in biosaline agriculture." Journal of Seed Science 36, no. 2 (June 2014): 194–203. http://dx.doi.org/10.1590/2317-1545v32n2927.

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The production of seeds and seedlings by these species is of utmost importance to prevent a loss of biodiversity of the Caatinga, a unique and exclusively Brazilian biome. Biosaline agriculture is conducted over a range of salinity levels in groundwater and/or in soils. The current study evaluated the application of biosaline agriculture to Anadenanthera macrocarpa, Myracrodruon urundeuva, Aspidosperma pyrifolium and Erythrina velutina by examining the germinative metabolism of seeds subjected to different electrical conductivities (ECs) of NaCl solutions and biosaline water. The seeds were germinated in biosaline water (4.94 dS.m-1) and in NaCl solutions with ECs of 0, 2, 4, 6, 8, 10, 12, 14, 16 and 18 dS.m-1 at 25 ºC, 12-h photoperiod. The kinetic variables of germination were assessed, and the seeds and seedlings were assayed for reserve biomolecules, proline content and antioxidant enzyme activity. The seeds were highly tolerant to salinity, with germination-limiting ECs above 12 dS.m-1. Although high EC promoted alterations in seed metabolism that enabled salinity tolerance, seedling production was indicated with ECs no higher than 6 dS.m-1. These results demonstrated that Caatinga seedling production is viable through biosaline agriculture beucause the groundwater salinity of this region is within the tolerance levels of the seeds.

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Silva, José E. S. B. da, Janete R. Matias, Keylan S. Guirra, Carlos A. Aragão, Gherman G. L. de Araujo, and Bárbara F. Dantas. "Development of seedlings of watermelon cv. Crimson Sweet irrigated with biosaline water." Revista Brasileira de Engenharia Agrícola e Ambiental 19, no. 9 (September 2015): 835–40. http://dx.doi.org/10.1590/1807-1929/agriambi.v19n9p835-840.

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ABSTRACTThe limited access and the scarcity of good quality water for agriculture are some of the major problems faced in agricultural areas, particularly in arid and semiarid regions. The aim of this study was to evaluate the quality of watermelon seedlings (cv. Crimson Sweet), irrigated with different concentrations of biosaline water of fish culture. The experimental design was completely randomized with five treatments, corresponding to biosaline water at different concentrations (0, 33, 50, 67 and 100%), and four replicates of 108 seedlings. Watermelon seeds were sown in plastic trays filled with commercial substrate and irrigated with different solutions of biosaline water. Seedlings were harvested for biometric analysis at 14, 21 and 28 days after sowing. The use of biosaline water did not affect emergence and establishment of seedlings until 14 days after sowing, the period recommended for transplantation. However, the use of biosaline water affected the development of seedlings with longer exposure time.

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Matias, Janete Rodrigues, Renata Conduru Ribeiro, Carlos Alberto Aragão, Gherman Garcia Leal Araújo, and Bárbara França Dantas. "Physiological changes in osmo and hydroprimed cucumber seeds germinated in biosaline water." Journal of Seed Science 37, no. 1 (March 10, 2015): 07–15. http://dx.doi.org/10.1590/2317-1545v37n1135472.

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Biosaline agriculture has been a viable alternative for agricultural production in regions with lack of good quality water. To enable the cultivation of vegetables in high electrical conductivities, seed priming has been used to increase tolerance to stress caused by use of brackish water. We aimed to evaluate the efficiency of osmo and hydropriming in cucumber seeds cv. Caipira germinated biosaline in water, regarding germination and biochemical changes during the germinative process. The experimental design was totally randomized, with four replications of 50 seeds or 10 seedlings, in a factorial scheme 6x3; with six priming conditions (control, osmopriming during 24 and 48 hours, hydropriming with 1, 2 and 3 cycles of hydration-dehydration) and three biosaline water (fish farming biosaline wastewater) concentrations in distilled water (0, 50 e 100%). We evaluated the kinetics and percentage of germination; germinative metabolism and activity of antioxidant enzymes. According to the results, one hydropriming cycle is faster and more efficient to improve the performance of cucumber seedling in biosaline water and this can be used in substrate for germinating seeds of cucumber cv. Caipira.

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Masters, David G., Sharon E. Benes, and Hayley C. Norman. "Biosaline agriculture for forage and livestock production." Agriculture, Ecosystems & Environment 119, no. 3-4 (March 2007): 234–48. http://dx.doi.org/10.1016/j.agee.2006.08.003.

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Duarte, Bernardo, and Isabel Caçador. "Iberian Halophytes as Agroecological Solutions for Degraded Lands and Biosaline Agriculture." Sustainability 13, no. 2 (January 19, 2021): 1005. http://dx.doi.org/10.3390/su13021005.

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Research on biosaline agriculture has been increasing worldwide in recent years. In this respect, the Iberian halophyte diversity present a high-value ecological solution to be implemented for biosaline-based agroecosystems. The research on these halophytic species has been increasing worldwide and, in the recent years, especially in terms saline agriculture adaptation, osmophysiology and nutraceutical potential, highlighting the importance and potential of these species in terms of agrosolutions. The Mediterranean area has high biodiversity in terms of endemic halophytic vegetation (ca. 62 species), providing an alternative pool of potential new agricultural products to be cultivated in adverse conditions. Besides being highly diverse, most of these species are endemic and present a perennial life cycle with several applications in terms of food, forage, nutraceutical, feedstock and remediation. More specifically, the Iberian halophytic flora shows potential as resources of essential fatty acids, minerals and antioxidants—all very important for human and animal nutrition. Alongside the establishment of halophyte agroecological solutions is the provision of key ecosystem services, such as carbon sequestration and soil rehabilitation. Moreover, halophyte-based ecosystems provide additional recognized ecosystem services, beyond the final product production, by improving soil health, ecosystem biodiversity and storing large amounts of carbon, thereby increasing the ecosystem resilience to climate change and offering a green solution against climate change.

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Nikalje, Ganesh C., Ashish K. Srivastava, Girdhar K. Pandey, and Penna Suprasanna. "Halophytes in biosaline agriculture: Mechanism, utilization, and value addition." Land Degradation & Development 29, no. 4 (November 26, 2017): 1081–95. http://dx.doi.org/10.1002/ldr.2819.

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Lastiri-Hernández, Marcos A., Dioselina Álvarez-Bernal, Eloy Conde Barajas, and José G. García Miranda. "Biosaline agriculture: an agronomic proposal for onion (Allium cepa L.) production." International Journal of Phytoremediation 23, no. 12 (March 15, 2021): 1301–9. http://dx.doi.org/10.1080/15226514.2021.1895716.

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Gheyi, Hans Raj, Devinder Sandhu, and Claudivan Feitosa de Lacerda. "Fields of the Future: Pivotal Role of Biosaline Agriculture in Farming." Agriculture 13, no. 9 (September 7, 2023): 1774. http://dx.doi.org/10.3390/agriculture13091774.

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Ramírez, Esteban, Nuria Rodríguez, and Vicenta de la Fuente. "Arthrocnemum Moq.: Unlocking Opportunities for Biosaline Agriculture and Improved Human Nutrition." Plants 13, no. 4 (February 9, 2024): 496. http://dx.doi.org/10.3390/plants13040496.

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(1) Background: This study provides novel insights into the elemental content and biomineralization processes of two halophytic species of the genus Arthrocnemum Moq. (A. macrostachyum and A. meridionale). (2) Methods: Elemental content was analyzed using ICP-MS, while biominerals were detected through electron microscopy (SEM and TEM) and X-ray diffraction. (3) Results: The elemental content showed significant concentrations of macronutrients (sodium, potassium, magnesium, and calcium) and micronutrients, especially iron. Iron was consistently found as ferritin in A. macrostachyum chloroplasts. Notably, A. macrostachyum populations from the Center of the Iberian Peninsula exhibited exceptionally high magnesium content, with values that exceeded 40,000 mg/kg d.w. Succulent stems showed elemental content consistent with the minerals identified through X-ray diffraction analysis (halite, sylvite, natroxalate, and glushinskite). Seed analysis revealed elevated levels of macro- and micronutrients and the absence of heavy metals. Additionally, the presence of reduced sodium chloride crystals in the seed edges suggested a mechanism to mitigate potential sodium toxicity. (4) Conclusions: These findings highlight the potential of Arthrocnemum species as emerging edible halophytes with nutritional properties, particularly in Western European Mediterranean territories and North Africa. They offer promising prospects for biosaline agriculture and biotechnology applications.

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Lessa, Carla Ingryd Nojosa, Claudivan Feitosa de Lacerda, Cláudio Cesar de Aguiar Cajazeiras, Antonia Leila Rocha Neves, Fernando Bezerra Lopes, Alexsandro Oliveira da Silva, Henderson Castelo Sousa, et al. "Potential of Brackish Groundwater for Different Biosaline Agriculture Systems in the Brazilian Semi-Arid Region." Agriculture 13, no. 3 (February 24, 2023): 550. http://dx.doi.org/10.3390/agriculture13030550.

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The objective of this research was to define the potential of brackish groundwater for 15 systems of biosaline agriculture in a representative area of the Brazilian semi-arid region. The study was conducted using a database of the State of Ceará, with 6284 wells having brackish water (EC ≥ 0.8 dS m−1 and discharge rate ≥ 0.5 m3 h−1). Our results show that the potential of brackish groundwater resources depends on the set of data: (i) production system (crop salt tolerance and water demand) and (ii) water source (salinity and well discharge rate). The joint analysis of these data shows that plant production systems with lesser water requirements, even with moderate tolerance levels to salt stress, present better results than more tolerant species, including halophytes and coconut orchards. About 41, 43, 58, 69, and 82% of wells have enough discharge rates to irrigate forage cactus (1.0 ha), sorghum (1.0 ha with supplemental irrigation), hydroponic cultivation, cashew seedlings, and coconut seedlings, respectively, without restrictions in terms of salinity. Otherwise, 65.8 and 71.2% of wells do not have enough water yield to irrigate an area of 1.0 ha with halophytes and coconut palm trees, respectively, butmore than 98.3 and 90.7% do not reach the water salinity threshold for these crops. Our study also indicates the need for diversification and use of multiple systems on farms (intercropping, association of fish/shrimp with plants), to reach the sustainability of biosaline agriculture in tropical drylands, especially for family farming.

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Asadullah, Asadullah, and Asghari Bano. "Climate Change Modulates Halophyte Secondary Metabolites to Reshape Rhizosphere Halobacteria for Biosaline Agriculture." Applied Sciences 13, no. 3 (January 18, 2023): 1299. http://dx.doi.org/10.3390/app13031299.

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To feed the ever-increasing population under changing climate scenarios, it is imperative to investigate the role of halophytes, which are equipped with special adaptation mechanisms to cope under extreme conditions of salinity. In the current review, we aimed to report newly identified bioactive secondary metabolites that might play a role in establishing rhizosphere microbe associations, elucidate the negative impacts of salt stress, and direct the growth and yield of halophytes. A systematic approach was developed that deciphers those metabolites involved in regulating the physiological, biochemical, and molecular responses of halophytes to salt stress. The mechanism of salinity tolerance, recruitment of beneficial microbes, and signaling role of secondary metabolites were also discussed. The role of halotolerant rhizobacteria’ secondary metabolites in the physiology and growth parameters of halophytes was also discussed.

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Bueno, Milagros, and María del Pilar Cordovilla. "Plant Growth Regulators Application Enhance Tolerance to Salinity and Benefit the Halophyte Plantago coronopus in Saline Agriculture." Plants 10, no. 9 (September 10, 2021): 1872. http://dx.doi.org/10.3390/plants10091872.

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Climate change, soil salinisation and desertification, intensive agriculture and the poor quality of irrigation water all create serious problems for the agriculture that supplies the world with food. Halophyte cultivation could constitute an alternative to glycophytic cultures and help resolve these issues. Plantago coronopus can be used in biosaline agriculture as it tolerates salt concentrations of 100 mM NaCl. To increase the salt tolerance of this plant, plant growth regulators such as polyamine spermidine, salicylic acid, gibberellins, cytokinins, and auxins were added in a hydroponic culture before the irrigation of NaCl (200 mM). In 45-day-old plants, dry weight, water content, osmolyte (sorbitol), antioxidants (phenols, flavonoids), polyamines (putrescine, spermidine, spermine (free, bound, and conjugated forms)) and ethylene were determined. In non-saline conditions, all plant regulators improved growth while in plants treated with salt, spermidine application was the most effective in improving growth, osmolyte accumulation (43%) and an increase of antioxidants (24%) in P. coronopus. The pretreatments that increase the sorbitol content, endogenous amines (bound spermine fraction), phenols and flavonoids may be the most effective in protecting to P. coronopus against stress and, therefore, could contribute to improving the tolerance to salinity and increase nutritional quality of P. coronopus.

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Inayatullah, Sohail, and Ismahane A. Elouafi. "The alternative futures of the International Centre for Biosaline Agriculture: from salinity research to greening the desert." Foresight 16, no. 5 (September 2, 2014): 389–409. http://dx.doi.org/10.1108/fs-08-2013-0030.

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Purpose – The purpose of this paper is to present findings, based on a report for the International Centre for Biosaline Agriculture (ICBA), of the preferred visions, scenarios and strategies of stakeholders articulated at a workshop held in Dubai from November 25 to 26, 2012. Design/methodology/approach – The “six pillars” approach to foresight was used to articulate visions of preferred futures of over 50 international stakeholders, including representatives from the UAE Government, national and international donors, the private sector and leading scientists from universities and international scientific institutions. These visions were then translated into a strategic and business plan for ICBA. Findings – The research center was successfully able to use foresight methods to develop a long-term strategic plan, continuing its history of innovation in knowledge-based research relating to saline and marginal environments. Novel visions and strategies for water and food futures were developed. A risk assessment of each vision was conducted. Research limitations/implications – This case study presents visions with scenarios and strategic pathways. It illustrates the utility in setting long-term visions first and then linking with strategic plans. Limitations include that the success of such a venture cannot be judged for at least five to six years. While in the short run, resources – human, partnerships, capital and leadership – have been mobilized, it is too soon to gauge real success of the foresight workshop, project. Practical implications – The study shows links between visions, scenarios and strategic pathways. Social implications – The study includes valuable discussions by leading scientists of water and food futures as well as the organizational and leadership capabilities required to deliver alternative futures. Originality/value – One of the few workshop-oriented interventions in the Middle East and North Africa Region (MENA) region using the anticipatory action learning six pillars framework is included. The study contrasts normal expert-based conferencing in the MENA region.

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Shokat, Sajid, and Dominik K. Großkinsky. "Tackling Salinity in Sustainable Agriculture—What Developing Countries May Learn from Approaches of the Developed World." Sustainability 11, no. 17 (August 22, 2019): 4558. http://dx.doi.org/10.3390/su11174558.

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Soil salinity is a common problem of the developing world as well as the developed world. However, the pace to reduce salinity is much slower in the developing world. The application of short-term approaches with an unsustainable supply of funds are the major reasons of low success. In contrast, the developed world has focused on long-term and sustainable techniques, and considerable funds per unit area have been allocated to reduce soil salinity. Here, we review the existing approaches in both worlds. Approaches like engineering and nutrient use were proven to be unsustainable, while limited breeding and biosaline approaches had little success in the developing countries. In contrast, advanced breeding and genetics tools were implemented in the developed countries to improve the salinity tolerance of different crops with more success. Resultantly, developed countries not only reduced the area for soil salinity at a higher rate, but more sustainable and cheaper ways to resolve the issue were implemented at the farmers’ field. Similarly, plant microbial approaches and the application of fertigation through drip irrigation have great potential for both worlds, and farmer participatory approaches are required to obtain fruitful outcomes. In this regard, a challenging issue is the transition of sustainable approaches from developed countries to developing ones, and possible methods for this are discussed.

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Oliveira, Francisco I. F., Wiliana J. F. de Medeiros, Claudivan F. de Lacerda, Antônia L. R. Neves, and Davi R. Oliveira. "Saline water irrigation managements on growth of ornamental plants." Revista Brasileira de Engenharia Agrícola e Ambiental 21, no. 11 (November 2017): 739–45. http://dx.doi.org/10.1590/1807-1929/agriambi.v21n11p739-745.

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ABSTRACT Biosaline agriculture is an option for using waters with lower quality. Thus, the objective of this study was to evaluate the growth of ornamental species under irrigation with increasing water salinity levels in two methods of water application. The study was conducted in a greenhouse, in the municipality of Fortaleza, Ceará, Brazil. The treatments were distributed in randomized blocks in split plots, with six levels of water salinity in the plots (0.6 - control, 1.2, 1.8, 2.4, 3.0 and 3.6 dS m-1), two methods of water application in the subplots (localized and sprinkler irrigation) and four ornamental species in the sub-subplots (Catharanthus roseus, Allamanda cathartica, Ixora coccinea and Duranta erecta), with four replicates. Increase in irrigation water electrical conductivity reduced the growth of the studied ornamental species. It was not possible to establish an ideal method for irrigation of ornamental species. Effects of non-localized irrigation on leaf growth were more evident in the species C. roseus and D. erecta, which showed higher specific leaf area.

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Hulkko, Laura Sini Sofia, Tanmay Chaturvedi, Luísa Custódio, and Mette Hedegaard Thomsen. "Harnessing the Value of Tripolium pannonicum and Crithmum maritimum Halophyte Biomass through Integrated Green Biorefinery." Marine Drugs 21, no. 7 (June 27, 2023): 380. http://dx.doi.org/10.3390/md21070380.

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Bioactive extracts are often the target fractions in bioprospecting, and halophyte plants could provide a potential source of feedstock for high-value applications as a part of integrated biorefineries. Tripolium pannonicum (Jacq.) Dobrocz. (sea aster) and Crithmum maritimum L. (sea fennel) are edible plants suggested for biosaline halophyte-based agriculture. After food production and harvesting of fresh leaves for food, the inedible plant fractions could be utilized to produce extracts rich in bioactive phytochemicals to maximize feedstock application and increase the economic feasibility of biomass processing to bioenergy. This study analyzed fresh juice and extracts from screw-pressed sea aster and sea fennel for their different phenolic compounds and pigment concentrations. Antioxidant and enzyme inhibition activities were also tested in vitro. Extracts from sea aster and sea fennel had phenolic contents up to 45.2 mgGAE/gDM and 64.7 mgGAE/gDM, respectively, and exhibited >70% antioxidant activity in several assays. Ethanol extracts also showed >70% inhibition activity against acetylcholinesterase and >50% inhibition of tyrosinase and α-glucosidase. Therefore, these species can be seen as potential feedstocks for further investigations.

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Correia, Iris, Madalena Antunes, Carla Tecelão, Marta Neves, Cristiana L. Pires, Pedro F. Cruz, Maria Rodrigues, et al. "Nutritive Value and Bioactivities of a Halophyte Edible Plant: Crithmum maritimum L. (Sea Fennel)." Plants 13, no. 3 (January 31, 2024): 427. http://dx.doi.org/10.3390/plants13030427.

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Crithmum maritimum L. (sea fennel), an edible xerophyte of coastal habitats, is considered an emerging cash crop for biosaline agriculture due to its salt-tolerance ability and potential applications in the agri-food sector. Here, the nutritional value and bioactive properties of sea fennel are described. Sea fennel leaves, flowers, and schizocarps are composed of carbohydrates (>65%) followed by ash, proteins, and lipids. Sea fennel’s salty, succulent leaves are a source of omega-6 and omega-3 polyunsaturated fatty acids, especially linoleic acid. Extracts obtained from flowers and fruits/schizocarps are rich in antioxidants and polyphenols and show antimicrobial activity against Staphylococcus aureus, Staphylococcus epidermis, Candida albicans, and Candida parapsilosis. Plant material is particularly rich in sodium (Na) but also in other nutritionally relevant minerals, such as calcium (Ca), chlorine (Cl), potassium (K), phosphorus (P), and sulfur (S), beyond presenting a potential prebiotic effect on Lactobacillus bulgaricus and being nontoxic to human intestinal epithelial Caco-2 model cells, up to 1.0% (w/v). Hence, the rational use of sea fennel can bring nutrients, aroma, and flavor to culinary dishes while balancing microbiomes and contributing to expanding the shelf life of food products.

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Carreiras, João, Isabel Caçador, and Bernardo Duarte. "Bioaugmentation Improves Phytoprotection in Halimione portulacoides Exposed to Mild Salt Stress: Perspectives for Salinity Tolerance Improvement." Plants 11, no. 8 (April 13, 2022): 1055. http://dx.doi.org/10.3390/plants11081055.

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Plant growth-promoting rhizobacteria (PGPR) can promote plant growth through mechanisms such as mineral phosphates solubilization, biological N2 fixation and siderophores and phytohormones production. The present work aims to evaluate the physiological fitness improvement by PGPR in Halimione portulacoides under mild and severe salt stress. PGPR-inoculated plants showed improved energy use efficiencies, namely in terms of the trapped and electron transport energy fluxes, and reduced energy dissipation. Allied to this, under mild stress, inoculated plants exhibited a significant reduction of the Na and Cl root concentrations, accompanied by a significant increase in K and Ca leaf content. This ion profile reshaping was intrinsically connected with an increased leaf proline content in inoculated plants. Moreover, bioaugmented plants showed an increased photoprotection ability, through lutein and zeaxanthin leaf concentration increase, allowing plants to cope with potentially photoinhibition conditions. Reduced Na leaf uptake in inoculated plants, apparently reduced the oxidative stress degree as observed by the superoxide dismutase and peroxidase activity reduction. Additionally, a reduced lipid peroxidation degree was observed in inoculated plants, while compared to their non-inoculated counterparts. These results, point out an important role of bioaugmentation in promoting plant fitness and improving salt tolerance, with a great potential for applications in biosaline agriculture and salinized soil restoration.

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Cavalcante, Eduardo Santos, Claudivan Feitosa Lacerda, Rosilene Oliveira Mesquita, Alberto Soares de Melo, Jorge Freire da Silva Ferreira, Adunias dos Santos Teixeira, Silvio Carlos Ribeiro Vieira Lima, Jonnathan Richeds da Silva Sales, Johny de Souza Silva, and Hans Raj Gheyi. "Supplemental Irrigation with Brackish Water Improves Carbon Assimilation and Water Use Efficiency in Maize under Tropical Dryland Conditions." Agriculture 12, no. 4 (April 11, 2022): 544. http://dx.doi.org/10.3390/agriculture12040544.

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Dry spells in rainfed agriculture lead to a significant reduction in crop yield or to total loss. Supplemental irrigation (SI) with brackish water can reduce the negative impacts of dry spells on net CO2 assimilation in rainfed farming in semi-arid tropical regions and maintain crop productivity. Thus, the objective of this study was to evaluate the net carbon assimilation rates, indexes for water use efficiency, and indicators of salt and water stress in maize plants under different water scenarios, with and without supplemental irrigation with brackish water. The experiment followed a randomized block design in a split-plot design with four replications. The main plots simulated four water scenarios found in the Brazilian semi-arid region (Rainy, Normal, Drought, and Severe Drought), while the subplots were with or without supplemental irrigation using brackish water with an electrical conductivity of 4.5 dS m−1. The dry spells reduced the photosynthetic capacity of maize, especially under the Drought (70% reduction) and Severe Drought scenarios (79% reduction), due to stomatal and nonstomatal effects. Supplemental irrigation with brackish water reduced plant water stress, averted the excessive accumulation of salts in the soil and sodium in the leaves, and improved CO2 assimilation rates. The supplemental irrigation with brackish water also promoted an increase in the physical water productivity, reaching values 1.34, 1.91, and 3.03 times higher than treatment without SI for Normal, Drought, and Severe Drought scenarios, respectively. Thus, the use of brackish water represents an important strategy that can be employed in biosaline agriculture for tropical semi-arid regions, which are increasingly impacted by water shortage. Future studies are required to evaluate this strategy in other important crop systems under nonsimulated conditions, as well as the long-term effects of salts on different soil types in this region.

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Certain, Cassandre, Luc Della Patrona, Peggy Gunkel-Grillon, Audrey Léopold, Philippe Soudant, and Fabienne Le Grand. "Effect of Salinity and Nitrogen Form in Irrigation Water on Growth, Antioxidants and Fatty Acids Profiles in Halophytes Salsola australis, Suaeda maritima, and Enchylaena tomentosa for a Perspective of Biosaline Agriculture." Agronomy 11, no. 3 (February 28, 2021): 449. http://dx.doi.org/10.3390/agronomy11030449.

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Cultivation of salt-tolerant crops help to face to irreversible global salinization of freshwater and soils. In New-Caledonia, three halophytes are candidates for saline crops, Salsola australis R.Br., Suaeda maritima (L.) Dumort and Enchylaena tomentosa R.Br. Their success and quality depend yet on availabilities of salinity and essential nutrients in agrosystems. So, we investigated effects of three salinities, i.e., control moderate and high, and five nitrogen ratios, i.e., 100:0, 75:25, 50:50, 25:75 or 0:100 NO3−-N:NH4+-N ratio on their growth and functional value for fatty acids and antioxidants. Results show that the leaf fatty acid and antioxidant profiles of species, emphasize their good potential to become functional crop products, based on comparison with other functional plants, dietetic recommendation, or functional indices. However, their total phenolic compounds (TPC) content can be influenced by N-ratio (Suaeda maritima and Enchylaena tomentosa) and their antioxidant activity index (AAI) can be influenced by salinity (Suaeda maritima), N-ratio (Salsola australis) or both (Enchylaenatomentosa). Their quantitative and/or qualitative fatty acid profiles can also be influenced by salinity (Enchylaena tomentosa), N-ratio (Suaeda maritima), or both (Salsola australis). Regarding these variations, involving salt tolerance and nitrogen nutrition mechanisms, we recommend suitable treatments to maintain or optimize the growth and the functional quality of leaves in the three species.

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Gómez Gómez, José María, Jesús Medina, David Hochberg, Eva Mateo-Martí, Jesús Martínez-Frías, and Fernando Rull. "Drying Bacterial Biosaline Patterns Capable of Vital Reanimation upon Rehydration: Novel Hibernating Biomineralogical Life Formations." Astrobiology 14, no. 7 (July 2014): 589–602. http://dx.doi.org/10.1089/ast.2014.1162.

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Gómez Gómez, José María, Jesús Medina, and Fernando Rull. "A Rich Morphological Diversity of Biosaline Drying Patterns Is Generated by Different Bacterial Species, Different Salts and Concentrations: Astrobiological Implications." Astrobiology 16, no. 7 (July 2016): 513–24. http://dx.doi.org/10.1089/ast.2015.1425.

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Kumar, Ajay, Sajana Sreedharan, Pardeep Singh, Enoch G. Achigan-Dako, and Nirala Ramchiary. "Improvement of a Traditional Orphan Food Crop, Portulaca oleracea L. (Purslane) Using Genomics for Sustainable Food Security and Climate-Resilient Agriculture." Frontiers in Sustainable Food Systems 5 (August 12, 2021). http://dx.doi.org/10.3389/fsufs.2021.711820.

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Purslane (Portulaca oleracea L.) is a popular orphan crop used for its nutritional properties in various parts of the world. It is considered one of the richest terrestrial sources of omega-3 and omega-6-fatty acids (ω-3 and 6-FAs) suggesting its importance for human health. This ethnomedicinal plant is also an important part of traditional healing systems among the indigenous people. Many studies have indicated its tolerance against multiple stresses and found that it easily grows in a range of environmental gradients. It has also been considered one of the important biosaline crops for the future. Despite its huge nutritional, economic, and medicinal importance, it remains neglected to date. Most of the studies on purslane were focused on its ethnomedicinal, phytochemical, pharmacological, and stress-tolerance properties. Only a few studies have attempted genetic dissection of the traits governing these traits. Purslane being an important traditional food crop across the globe can be valorized for a sustainable food security in the future. Therefore, this review is an attempt to highlight the distribution, domestication, and cultivation of purslane and its importance as an important stress-tolerant food and a biosaline crop. Furthermore, identification of genes and their functions governing important traits and its potential for improvement using genomics tools for smart and biosaline agriculture has been discussed.

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Mansour, H. A., M. S. Gaballah, S. E. Khalil, and S. K. Pibars. "The role of irrigation water management and improving agricultural soils in increasing crop productivity in light of the use of modern technologies." International journal of health sciences, March 26, 2022, 1517–32. http://dx.doi.org/10.53730/ijhs.v6ns2.5120.

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The aim of this research to performance analysis of irrigation water management and how to improving the agricultural soils for increasing the crop productivity under the conditions of modern agricultural technology. In such manner, I suggest the accompanying: 1. refreshing the water system techniques and disposing of the old strategies that prompted the consumption of the underground stock. 2. Sanctioning of boring wells so that each ranch has one well. 3. Focusing on the dirt through preparation the quality of natural treatment and diminishing the alkalinity of the dirt. 4. Building projects for modern re-energize of groundwater through boring and channels (Recharge through Pits and Shafts). 5. Consistently training ranchers about soil care, upkeep and conservation from saltiness. 6. Development of sorts of yields adjusted to the saline grounds, in a joint effort with the Center for Biosaline Agriculture in the country. 7. Expanding the quantity of tests taken for examination to incorporate a bigger region.

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Alam, Hasnain, Muhammad Zamin, Muhammad Adnan, Nisar Ahmad, Taufiq Nawaz, Shah Saud, Abdul Basir, et al. "Evaluating the resistance mechanism of Atriplex leucoclada (Orache) to salt and water stress; A potential crop for biosaline agriculture." Frontiers in Plant Science 13 (August 1, 2022). http://dx.doi.org/10.3389/fpls.2022.948736.

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The development of food and forage crops that flourish under saline conditions may be a prospective avenue for mitigating the impacts of climate change, both allowing biomass production under conditions of water-deficit and potentially expanding land-use to hitherto non-arable zones. Here, we examine responses of the native halophytic shrub Atriplex leucoclada to salt and drought stress using a factorial design, with four levels of salinity and four drought intensities under the arid conditions. A. leucoclada plants exhibited morphological and physiological adaptation to salt and water stress which had little effect on survival or growth. Under low salinity stress, water stress decreased the root length of A. leucoclada; in contrast, under highly saline conditions root length increased. Plant tissue total nitrogen, phosphorus and potassium content decreased with increasing water stress under low salinity. As salt stress increased, detrimental effects of water deficit diminished. We found that both salt and water stress had increased Na+ and Cl– uptake, with both stresses having an additive and beneficial role in increasing ABA and proline content. We conclude that A. leucoclada accumulates high salt concentrations in its cellular vacuoles as a salinity resistance mechanism; this salt accumulation then becomes conducive to mitigation of water stress. Application of these mechanisms to other crops may improve tolerance and producitivity under salt and water stress, potentially improving food security.

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Ghafar, Muhammad Adeel, Nudrat Aisha Akram, Bilquees Gul, and Hadi Pirasteh-Anosheh. "Physio-biochemical analyses of selected halophytes from saline regions of Pakistan and its potential for biosaline agriculture in arid environments." Pakistan Journal of Botany 54, no. 5 (February 1, 2022). http://dx.doi.org/10.30848/pjb2022-5(29).

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Zaidi, Pervez H., Mohammed Shahid, Kaliyamoorthy Seetharam, and Madhumal Thayil Vinayan. "Genomic Regions Associated With Salinity Stress Tolerance in Tropical Maize (Zea Mays L.)." Frontiers in Plant Science 13 (May 31, 2022). http://dx.doi.org/10.3389/fpls.2022.869270.

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Being a widely cultivated crop globally under diverse climatic conditions and soil types, maize is often exposed to an array of biotic and abiotic stresses. Soil salinity is one of the challenges for maize cultivation in many parts of lowland tropics that significantly affects crop growth and reduces economic yields. Breeding strategies integrated with molecular approach might accelerate the process of identifying and developing salinity-tolerant maize cultivars. In this study, an association mapping panel consisting of 305 diverse maize inbred lines was phenotyped in a managed salinity stress phenotyping facility at International Center for Biosaline Agriculture (ICBA), Dubai, United Arab Emirates (UAE). Wide genotypic variability was observed in the panel under salinity stress for key phenotypic traits viz., grain yield, days to anthesis, anthesis-silking interval, plant height, cob length, cob girth, and kernel number. The panel was genotyped following the genome-based sequencing approach to generate 955,690 SNPs. Total SNPs were filtered to 213,043 at a call rate of 0.85 and minor allele frequency of 0.05 for association analysis. A total of 259 highly significant (P ≤ 1 × 10–5) marker-trait associations (MTAs) were identified for seven phenotypic traits. The phenotypic variance for MTAs ranged between 5.2 and 9%. A total of 64 associations were found in 19 unique putative gene expression regions. Among them, 12 associations were found in gene models with stress-related biological functions.

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Mugwanya, Muziri, Fahad Kimera, Khaled Madkour, Mahmoud A. O. Dawood, and Hani Sewilam. "Influence of salinity on the biometric traits of striped catfish (Pangasianodon hypophthalmus) and barley (Hordeum vulgare) cultivated under an integrated aquaculture-agriculture system." BMC Plant Biology 23, no. 1 (September 9, 2023). http://dx.doi.org/10.1186/s12870-023-04422-5.

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Abstract Background Soil salinity, soil infertility, and freshwater scarcity are among the major constraints affecting agricultural ecosystems in arid and semi-arid regions of the world. Hence, there is a need to look for salt-tolerant crops and fish that can be successfully cultivated and reared respectively in such harsh environments. The implementation of biosaline integrated aquaculture-agriculture systems (IAAS) utilizing both salt-tolerant crops and fish could improve food and feed production in arid and semi-arid regions. This study, therefore, investigated the influence of salinity on the biometric traits of striped catfish (Pangasianodon hypophthalmus) and barley (Hordeum vulgare) under an IAAS. Method The experiment followed a randomized completely block design of three salinity treatments with three replicates namely, T0: Control (freshwater mixed with chemical fertilizers), T1: 5,000 ppm, T2: 10,000 ppm, and T3: 15,000 ppm. Results Irrigating barley with saline aquaculture wastewater at different salinities (5,000 ppm, 10,000 ppm, and 15,000 ppm) did not significantly affect the agro-morphological parameters (internode number per plant, stalk diameter, leaf number per plant, leaf area index, and leaf chlorophyll content (SPAD)) of the plants at 90 days after sowing. Moreover, the forage yield and forage quality in terms of fiber fraction, nutrient composition, and in vitro digestibility of the forage biomass were not severely affected by high salinity compared to the control (freshwater and inorganic fertilizers). Our results also showed that rearing striped catfish in saline water not exceeding 10,000 ppm did not negatively impact the growth performance (final weight, body weight gain, feed conversion ratio, specific growth rate, condition factor, and survival) and the health status of the fish. Conclusions The integration of striped catfish and barley production in water salinities below 15,000 ppm could be a feasible alternative in safeguarding food and feed security in regions affected by soil salinity, soil infertility, and freshwater scarcity. Moreover, the salinity regime of 5,000 ppm could bring higher economic gains to farmers regarding higher crop yields (fish and forage yield).

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Silva, J. E. S. B., S. B. Torres, C. C. P. Leal, M. S. Leite, K. S. Guirra, B. F. Dantas, M. B. Morais, and B. S. Guirra. "Pre-germination treatments of melon seeds for the production of seedlings irrigated with biosaline water." Brazilian Journal of Biology 84 (2024). http://dx.doi.org/10.1590/1519-6984.257314.

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Abstract Melon production in the Brazilian semi-arid region is subject to the use of marginal waters with high salinity. However, the use of regulators and bioactivators in seed treatment can mitigate the harmful effects of salts in irrigation water. In this context, the objective was to evaluate the effect of pre-germination treatments with plant regulators and bioactivator in melon seeds for the production of seedlings irrigated with biosaline water from fish farming effluent. For this, two trials with the Goldex and Grand Prix hybrids were carried out separately. A completely randomized design was used in a 4 × 3 factorial scheme (pre-germination treatments × water dilutions). In addition to the control, the seeds were treated with salicylic and gibberellic acids and thiamethoxam. The waters used for irrigation were local-supply water, fish farming effluent (biosaline water) and these diluted to 50%. Physiological and biochemical analyses were performed for fourteen days. Biosaline water (5.0 dS m-1) did not affect the emergence of Goldex melon seedlings, but compromised the establishment of the Grand Prix cultivar. Seed pre-treatments with salicylic and gibberellic acids attenuate the effects of water salinity and promote growth modulations, resulting in more vigorous melon seedlings.

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Ramírez, Esteban, Zayneb Chaâbene, Lourdes Hernández-Apaolaza, Mariem Rekik, Amine Elleuch, and Vicenta de la Fuente. "Seed priming to optimize germination in Arthrocnemum Moq." BMC Plant Biology 22, no. 1 (November 14, 2022). http://dx.doi.org/10.1186/s12870-022-03893-2.

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Abstract Background Seed germination and seedling growth constitute the first stage of a plant's life cycle for crop establishment. Arthrocnemum Moq. is a halophyte of the subfamily Salicornioideae (Amaranthaceae), which could be recognized in the foreseeable future as an emerging candidate in applied biosaline agricultural programs, mainly due to the large biomass it represents in coastal and inland saltmarshes, in addition to its interesting nutritional and pharmacological properties. However, to ensure their subsequent use as a crop, it is necessary to optimize their germination through appropriate seed priming treatments. The main goal of this work was to seek the optimization of Arthrocnemum germination process using different pretreatments: exposure to sodium chloride (100 to 1200 mM) in the dark and its subsequent transferred to distilled water separately and together with the combination of pH (5, 7, 9), salinity (0, 100, 200 mM NaCl), and iron conditions (0, 200, 400 µM FeSO4). The experiments were tested on six samples of two different species: A. meridionale (from Tunisia) and A. macrostachyum (from Spain). Results Salinity priming of seeds for 15 days in darkness improved germination percentages by almost 25% at 600 mM NaCl, in both Tunisian and Spanish species. However, keeping seeds at different salt concentrations for 30 days produced higher improvement percentages at lower concentrations in A. meridionale (100–200 mM NaCl), while in A. macrostachyum the highest improvement percentages were obtained at 600 mM NaCl (percentage improvement of 47%). When the dark time period is reduced to 5 days at higher salt concentrations, the greater germination percentages were reached in all the samples at the concentration of 800 mM NaCl, increasing the improvement of germination between 17 and 50%. Finally, the conditions of pH = 7, pretreatment in darkness at 800 mM NaCl and 400 µM or iron, turned out to be an effective medium for seed germination. Conclusions Therefore, before using Arthrocnemum seeds in applied biotechnological programs, a seed priming treatment based on prior exposure to high salt concentrations (600–1000 mM NaCl) is recommended in order to maximize germination percentages.

Journal articles on the topic 'Biosaline agriculture'

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