Thematische Bibliographien / Split-root cultivation

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Auswahl der wissenschaftlichen Literatur zum Thema „Split-root cultivation“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 7. Februar 2022

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Zeitschriftenartikel zum Thema "Split-root cultivation"

Parthasarathi, T., K. Vanitha, S. Mohandass, Eli Vered und V. Meenakshi. „Variation in rice root traits assessed by phenotyping under drip irrigation“. F1000Research 6 (10.02.2017): 125. http://dx.doi.org/10.12688/f1000research.9938.1.

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Background: Roots are the key elements in water saving rice cultivation. So, the response of rice roots are to be phenotyped under varied drip irrigation treatments. Methods: This study describes an investigation on rice root phenotyping under drip irrigation treatments in split-split plot design. Two lateral spacing levels (0.8 and 1.2m), two depths of irrigation (5-10 and 15-20 cm) by solar powered and well operated irrigation were tested using TNRH 180, JKRH 3333 and ADT(R)45 rice genotypes during the summer season (2013 & 2014) in Coimbatore, India. Conventional aerobic irrigation was considered as control. Results and Discussion: An increased root length, root density (length and weight), root Adinosine Tri Phosphotase enzyme activity, root volume and filled grain percentage were favored in aerobic rice under the conditions of 0.8m lateral distance with 5-10cm depth of sub surface drip irrigation (SDI). Improved root characteristics were observed in JKRH 3333 rice hybrid, and root density and thickness favored the filled grains and yield increment in rice by drip irrigation. The 0.8m lateral distance laid out at 5-10cm depth SDI proliferated more roots at subsurface soil layer with significant yield increment in rice.

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Barbagli, T., W. Voogt, W. L. Chen, G. J. Arteaga und B. Li. „Reducing sodium accumulation in the root environment of tomato in a closed-loop cultivation system using a split root system“. Acta Horticulturae, Nr. 1317 (August 2021): 295–302. http://dx.doi.org/10.17660/actahortic.2021.1317.34.

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Parthasarathi, T., K. Vanitha, S. Mohandass, Eli Vered und V. Meenakshi. „Variation in rice root traits assessed by phenotyping under drip irrigation“. F1000Research 6 (28.06.2017): 125. http://dx.doi.org/10.12688/f1000research.9938.2.

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Background: Roots are the key elements in water saving rice cultivation. So, the response of rice roots are to be phenotyped under varied drip irrigation treatments. Methods: This study describes an investigation on rice root phenotyping under drip irrigation treatments in split-split plot design. Two lateral spacing levels (0.8 and 1.2m), laid at two depths of sub surface irrigation (5-10 and 15-20 cm) by solar powered and well operated irrigation were tested using TNRH 180, JKRH 3333 and ADT(R)45 rice genotypes during the summer season (2013 & 2014) in Coimbatore, India. Conventional aerobic irrigation was considered as control. Results and Discussion: An increased root length, root density (length and weight), root Adinosine Tri Phosphotase enzyme activity, root volume and filled grain percentage were favored in aerobic rice under the conditions of 0.8m lateral distance with 5-10cm depth of sub surface drip irrigation (SDI). Improved root characteristics were observed in JKRH 3333 rice hybrid, and root density and thickness favored the filled grains and yield increment in rice by drip irrigation. The 0.8m lateral distance laid out at 5-10cm depth SDI with solar system proliferated more roots at subsurface soil layer with significant yield increment in rice.

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Wong, PTW, PM Dowling, LA Tesoriero und HI Nicol. „Influence of preseason weed management and in-crop treatments on two successive wheat crops. 2. Take-all severity and incidence of Rhizoctonia root rot“. Australian Journal of Experimental Agriculture 33, Nr. 2 (1993): 173. http://dx.doi.org/10.1071/ea9930173.

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The effects of cultivation and herbicide use to control weeds in wheat on wheat growth, the severity of take-all, and the incidence of rhizoctonia root rot were studied for 2 seasons. Preseason treatments were no weed control, paraquat (0.20 kg a.i./ha), glyphosate (0.18 kg a.i./ha or 4 applications of 0.72 kg a.i./ha), and heavy grazing. In-crop treatments were cultivation plus trifluralin, direct drilling plus chlorsulfuron, and direct drilling alone. At the site, take-all was the main disease while rhizoctonia root rot was relatively minor. Glyphosate applied 4 times at 0.72 kg a.i./ha over the previous spring and summer led to greater wheat dry matter (DM) production, significantly (P<0.05) less severe take-all, and a lower incidence of rhizoctonia root rot in the first year than the other preseason treatments. Spraytopping with glyphosate (0.18 kg a.i./ha) or paraquat (0.20 kg a.i./ha) and heavy grazing reduced take-all severity but not the incidence of rhizoctonia root rot. Conventional cultivation resulted in more wheat DM, significantly less severe take-all, and a lower incidence of rhizoctonia root rot than direct drilling. Grain yields reflected the trends of the DM production despite severe yield loss due to head frosting. Plots were split for cultivation and direct drilling in the second year. The highest wheat DM and grain yields were in the cultivated treatments but the effects of cultivation on take-all did not carry over from the first year. In both years, take-all was most severe in the control treatment and least severe in the treatment with the high rate of glyphosate (P<0.05). In the second wheat crop, however, take-all severity was similar in the 2 glyphosate, paraquat, and grazed treatments. The effect of a weed-free fallow obtained by use of a high rate of glyphosate was nullified in the second wheat crop because of a high carryover of volunteer wheat seedlings during the intervening wet summer. There was also a greater incidence of rhizoctonia root rot in the control than in the other treatments, and cultivation again reduced disease incidence compared with direct drilling.

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Moreira, Wendel Kaian Oliveira, Fábio Daibes Borrajo, Samara Ketely Almeida de Souza, Geane Guedes Cardoso, Ana Laura da Silva Luz, Raimundo Thiago Lima da Silva, Alisson Daroda Cassiano, Rian Antonio dos Reis Ribeiro, Leane Castro de Souza und Candido Ferreira de Olivera Neto. „Methods of Soil Management and Depths of Sowing in Corn Cultivation“. Journal of Agricultural Science 10, Nr. 6 (06.05.2018): 299. http://dx.doi.org/10.5539/jas.v10n6p299.

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Corn (Zea mays L.) is one of the most cultivated grains in the world. It provides widely used products such as food, feed, raw materials for industry and ethanol, mainly due to the quantity and nature of its reserves accumulated in the grains. The objective of this research was to evaluate different depths of sowing and the use of different initial methods of soil preparation for growing corn. A randomized-complete blocks design was applied in a split plot with subsoiling, tillage, rotary hoe, ploughing, manual weeding and three sowing depths. Analysis of variance showed a significant difference (p < 0.01) of stem diameter (SD), plant height (PH), root fresh mass (RFM), root dry mass (RDM), aerial dry mass (ADM), aerial fresh mass (AFM), while number of leaves (NL) showed no differences statistically. Regarding to stem diameter, the methods with subsoiling, ploughing and rotating hoe showed the best results. In relation to plant height, the treatments of subsoiling, tillage, ploughing and rotating hoe had the best performances. The use of the subsoiling method showed the best results between the characteristics of the plant and corn yield. The corn yield presented better yields with the subsoiled and rotary hoe preparation.

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Azevedo, Alcinei M., Valter C. Andrade Júnior, Daniel JS Viana, Ahmed YAM Elsayed, Carlos E. Pedrosa, Irã P. Neiva und José Altair Figueiredo. „Influence of harvest time and cultivation sites on the productivity and quality of sweet potato“. Horticultura Brasileira 32, Nr. 1 (2014): 21–27. http://dx.doi.org/10.1590/s0102-05362014000100004.

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Sweet potato is one of the most cultivated tuberous roots in tropical and subtropical regions permitting several ways of use. Despite its potential use, sweet potato has been little studied. We evaluated the performance of sweet potato roots, forage productivity and its silage at different harvesting times and cultivation environments and we identified the most superior clones under different soil and climatic conditions. Six sweet potato clones (BD-38, BD-45, BD-25, BD-31TO, BD-15 and BD-08) belonging to germplasm bank of UFVJM in addition to two standard cultivars Brazlândia Rosada and Princesa were grown in two cultivation sites (JK campus and Forquilha farm). The trial was conducted in split plots in randomized block design with three harvest times (120, 150 and 180 days after planting). The mean root weight obtained from Forquilha farm was on average 30.2% higher than those obtained from JK campus. Regardless the site, harvesting at 150 days after planting was the optimal time for maximizing root production. The irregularity of root shape increased when the harvesting date was postpone, probably due to greater exposure to environmental factors. Crude protein, fibers, ash and starch, were not affected by local x cultivar interaction except for starch content that depended on the clone and site interaction.

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HAYASHI, Hiroyuki, Kyoko TOYOFUKU, Takiko TAGUCHI und Atsushi OGAWA. „Cultivation Methods for Tomato (Lycopersicon esculentum Mill.) with High Soluble Solids Content Using the Vertically Split Root System“. Environmental Control in Biology 52, Nr. 3 (2014): 123–29. http://dx.doi.org/10.2525/ecb.52.123.

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Svoboda, Zdenek, Jaroslav Záhora und Helena Dvořáčková. „Effects of Biochar Application on Winter Wheat (Triticum aestivum L.) Roots Under Long‑Term Drought Conditions“. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 65, Nr. 5 (2017): 1615–22. http://dx.doi.org/10.11118/actaun201765051615.

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The main objective of this paper was to evaluate the effect of applying biochar and activated carbon on winter wheat affected by drought in model laboratory conditions. Cultivation tests of the soil‑microorganisms‑plant (winter wheat) system were focused on understanding the interactions between microbial soil communities and experimental plants in response to specific cultivation measures, in combination with the modelled effect of drought. The containers were formed as a split‑root rhizotron. In this container experiment, the root system of one and the same plant was divided into two separate compartments where into one half, biochar or activated carbon has been added. The other half without additives was a control. Plants favoured the formation of the root system in the treated part of the container under both drought and irrigation modes. In drought mode there was lower production of CO2, lower overall length and surface of the roots of winter wheat compared to variants in irrigation mode. The application of biochar and activated carbon, therefore, supported the colonization of roots by mycorrhiza in general. The Scientific merit of this paper was to investigate the possibility of mitigating the effects of a long‑term drought on winter wheat through the application of biochar or the application of activated carbon.

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Abouzaytonh, Ahmed Mohamed. „Effect of Planting Dates on three varieties of sugar beet (Beta vulgaris L.) under the conditions of sandy soil in the Kufra region – Libya“. Journal of Misurata University for Agricultural Sciences, Nr. 01 (06.10.2019): 265–76. http://dx.doi.org/10.36602/jmuas.2019.v01.01.21.

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A field experiment was carried out at the research station at Kufra production project in Kufra, located in the south-east of Libya, between latitude 12 - 24 ° north and longitude - 17 ° - 23 ° south, With the aim of knowing the impact of three agricultural dates (Mid-October, November, December) for three varieties (Nina-Gala-Engl. V) on yield and some of its components and the sugar content under the environmental conditions of Kufra, In the implementation of the experiment, a split - plot design was implemented with three replicates, The following characteristics were studied: Root weight - root diameter (cm) - fresh weight of root / plant - fresh weight / plant - root productivity and total fresh vegetables / ha , Sugar theoretical productivity T /h in the roots . Results showed that there was no significant difference between the cultivars for all the studied traits. The date of planting showed significant effect on all the studied traits. In general, it can be concluded that sugar beet cultivation can be successful under the environmental conditions of Kufra Mid-October.

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Baghersorkhgoli, Baghersorkhgoli. „Effect of Planting on Yield of Three Sugar Beet Cultivars Suitable for Autumn Cultivation“. Biosciences, Biotechnology Research Asia 15, Nr. 3 (28.09.2018): 737–39. http://dx.doi.org/10.13005/bbra/2682.

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This research was carried out to obtain the most suitable planting arrangement for three imported cultivars suitable for autumn 1- Azoba-2-Veuk-3-Levanta in a field experiment in Kherf city of Jahrom in split plot as a randomized complete block design with three replications in 1394. Treatments The interval between rows in three levels (45.55, 60 cm) was spaced on rows in three levels (15, 20, 25) and cultivars in three levels (Azoba, Vico, Levante) that were cultivating with seed sowing. Results of the pattern The data and their interactions are significant at a probability level of 1%. The highest root yield belongs to Azaba cultivar, with the arrangement of the distance between the rows of 55 cm and the distance between the rows of 20 cm and the lowest yield of the Vico cultivar with the arrangement of the distance between the rows of 60 cm and the distance of 25 cm.

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Dissertationen zum Thema "Split-root cultivation"

Gargoš, Ondřej. „Mechanismy reakce exodermis na dostupnost živin v prostředí“. Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-445731.

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in English The apoplastic barriers of the root (endodermis and exodermis) represent an important regulatory mechanism for the uptake of water and nutrients from the environment, ensuring its selectivity. In addition, both layers respond to stress factors by altering its rate and degree of cell wall modification, which affects the transport properties of the root and represents adaptive plants to high heterogeneity of the soil environment. Apoplastic barriers also respond to the availability of mineral nutrients. This issue has recently been intensively studied and a number of ambiguities persist. Interestingly, the deficiency of some mineral nutrients stimulates the differentiation of barriers, while the deficiency of other mineral nutrients delays the differentiation. In addition, different plant species react differently to the deficiency of the same element. Another interesting aspect is the fact that the reaction of the endodermis and exodermis is localized and takes place mainly in that part of the root system which is directly exposed to the stress factor. This phenomenon has been observed with cadmium toxicity, but more recently with local nutrient deficiencies (nitrogen and potassium) in Zea mays. This diploma thesis deals with the functional significance of localized enhancing or delaying...

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