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Добірка наукової літератури з теми "Alfalfa plant"

Автор: Grafiati

Опубліковано: 10 березня 2023

Оновлено: 25 липня 2025

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Статті в журналах з теми "Alfalfa plant"

1

Li, Fang, and Yanzhong Li. "Evaluation of pathogenicity, systemic colonisation, and host range of Verticillium alfalfae in a greenhouse." Crop and Pasture Science 72, no. 5 (2021): 383. http://dx.doi.org/10.1071/cp20449.

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Verticillium wilt of alfalfa (Medicago sativa) is a widespread and destructive disease caused by the soil-borne fungal pathogen Verticillium alfalfae (formerly V. albo-atrum before 2011). Owing to an inadequate understanding of the pathogenicity, systemic colonisation, and host range of V. alfalfae, it has been challenging to develop an effective control measure against this disease. In the present study, seven inoculation methods, including seed inoculation, leaf spraying (LS), fungal plugs placed on leaves (FP), stem injection (SI), root dipping (RD), root injuring and dipping (RI), and wate

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2

Bhattarai, Surendra, Dilip Biswas, Yong-Bi Fu, and Bill Biligetu. "Morphological, Physiological, and Genetic Responses to Salt Stress in Alfalfa: A Review." Agronomy 10, no. 4 (2020): 577. http://dx.doi.org/10.3390/agronomy10040577.

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Alfalfa (Medicago sativa L.) is an important legume forage crop. However, its genetic improvement for salt tolerance is challenging, as alfalfa’s response to salt stress is genetically and physiologically complex. A review was made to update the knowledge of morphological, physiological, biochemical, and genetic responses of alfalfa plants to salt stress, and to discuss the potential of applying modern plant technologies to enhance alfalfa salt-resistant breeding, including genomic selection, RNA-Seq analysis, and cutting-edge Synchrotron beamlines. It is clear that alfalfa salt tolerance can

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3

Xu, Shan, Michael J. Christensen, Rebecca Creamer, and Yan Zhong Li. "Identification, Characterization, Pathogenicity, and Distribution of Verticillium alfalfae in Alfalfa Plants in China." Plant Disease 103, no. 7 (2019): 1565–76. http://dx.doi.org/10.1094/pdis-07-18-1272-re.

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Verticillium wilt caused by Verticillium alfalfae results in severe production losses in alfalfa crops and is a Class A quarantined disease in China. During 2015 to 2017, 365 alfalfa fields from 21 locations in six provinces were surveyed, and 45 fields from three closely located sites in Gansu, China were found to have alfalfa plants with symptoms typical of Verticillium wilt, with disease incidence of 12.6 to 53.6%. Isolates were identified to species using morphological characteristics and a maximum likelihood phylogeny of the concatenated partial sequences of actin, elongation factor, glyc

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4

Juan, N. A., C. C. Sheaffer, and D. K. Barnes. "Root and crown characteristics of alfalfas varying in fall dormancy." Canadian Journal of Plant Science 74, no. 1 (1994): 125–27. http://dx.doi.org/10.4141/cjps94-022.

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We compared root and crown characteristics of five alfalfa (Medicago sativa L.) entries which differed in fall dormancy. Alfalfas were subjected to bud or mid-bloom harvests. The most consistent entry effect occurred for root and crown dry weight and root total nonstructural carbohydrate (TNC) concentrations. Root TNC concentration was highest and root and crown weight were greatest for the nondormant and least in the most dormant entries. Entries did not consistently differ in crown bud numbers, shoot number, or shoot origin. In October, the number of elongated crown buds were greater for a n

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5

Hendrickson, John R., Mark A. Liebig, and John D. Berdahl. "Responses of Medicago sativa and M. falcata type alfalfas to different defoliation times and grass competition." Canadian Journal of Plant Science 88, no. 1 (2008): 61–69. http://dx.doi.org/10.4141/cjps06012.

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Incorporating alfalfa into rangelands can enhance the quantity and quality of forage production. We evaluated the impact of clipping timing and selective clipping on two M. falcata (Anik and Yellowhead) and one M. sativa type alfalfas (Vernal) near Mandan, North Dakota, USA. Cultivars were space-planted into an existing mixed grass prairie and clipped at the mid-bud, flower or flower and subsequent vegetative stages. In each clipping treatment, half of the plots had only the alfalfa clipped and half had both the alfalfa and the associated native vegetation clipped. Plots without alfalfa were a

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6

Manglitz, G. R., and Michael Rethwisch. "Alfalfa Weevil and Plant Bug Control in Alfalfa, 1984." Insecticide and Acaricide Tests 10, no. 1 (1985): 181. http://dx.doi.org/10.1093/iat/10.1.181.

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Abstract This test was conducted at the University of Nebraska Field Laboratory, Mead, NE in a fourth-year stand of ‘Vernal’ alfalfa. Plots were 9 X 15 ft, arranged in a randomized complete block design replicated 4 times. A single application of 10 insecticides, at various rates, was made on 26 May ’84. Insecticides were applied with a CO2, activated pressure sprayer calibrated to deliver 12.5 gal/acre at 20 psi and equipped with a 5.5-ft boom. Each plot was sampled twice, 6 and 12 days posttreatment, by taking 5 sweeps per plot with a 15-inch diam insect net.

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7

Li, Shuo, Zhongnan Nie, Juan Sun, Xianglin Li, and Guofeng Yang. "The Physiological Role of Abscisic Acid in Regulating Root System Architecture of Alfalfa in Its Adaptation to Water Deficit." Agronomy 12, no. 8 (2022): 1882. http://dx.doi.org/10.3390/agronomy12081882.

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Alfalfa (Medicago sativa L.) is a perennial leguminous plant, with a strong tap root system that plays an important role in alfalfa’s adaptation to drought stress. However, a better understanding of root functional traits and how these root traits are related to whole plant responses in order to improve pasture productivity under water deficit. Two greenhouse experiments were conducted: Experiment 1 used three alfalfa cultivars and four levels of soil water content treatments to investigate herbage productivity, growth point density, residual shoot weight, and root weight. Experiment 2 assesse

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8

Jing, Fang, Shangli Shi, Yun A, et al. "Analysis of Phenotypic and Physiological Characteristics of Plant Height Difference in Alfalfa." Agronomy 13, no. 7 (2023): 1744. http://dx.doi.org/10.3390/agronomy13071744.

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Cultivating new alfalfa (Medicago sativa L.) varieties with high yield and quality is of great significance for improving alfalfa yield and promoting the development of the grass and livestock industry. Plant height is an important indicator of alfalfa yield and is closely related to photosynthetic capacity, harvest index and yield. However, the underlying cause of the variation in height among alfalfa plants is not clear. In this paper, we measured the phenotypic traits, photosynthetic physiology and endogenous hormone content of tall- and short-stalked alfalfa materials and analyzed the impo

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9

Jing, Fang, Shangli Shi, Wenjuan Kang, et al. "The Physiological Basis of Alfalfa Plant Height Establishment." Plants 13, no. 5 (2024): 679. http://dx.doi.org/10.3390/plants13050679.

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Plant height plays an important role in crop yield, product quality, and cultivation management. However, the physiological mechanisms that regulate the establishment of plant height in alfalfa plants remain unclear. Herein, we measured plant height traits, leaf characteristics, photosynthetic physiology, cell wall composition, and endogenous hormone contents of tall- and short-stalked alfalfa materials at different reproductive periods. We analyzed the physiology responsible for differences in plant height. The results demonstrated that the number of internodes in tall- and short-stalked alfa

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10

Wang, Yajie, Yingde Li, Zhen Tian, and Tingyu Duan. "Arbuscular Mycorrhizal Fungus Alters Alfalfa (Medicago sativa) Defense Enzyme Activities and Volatile Organic Compound Contents in Response to Pea Aphid (Acyrthosiphon pisum) Infestation." Journal of Fungi 8, no. 12 (2022): 1308. http://dx.doi.org/10.3390/jof8121308.

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Pea aphid (Acyrthosiphon pisum) infestation leads to withering, reduced yield, and lower quality of the host plant. Arbuscular mycorrhizal (AM) fungi have been found to enhance their host plants’ nutrient uptake, growth, and resistance to biotic stresses, including pathogen infection and insect pest infestation. Therefore, we evaluated the effects of AM fungus Rhizophagus intraradices on alfalfa defense responses to pea aphid infestation. Aphid infestation did not affect the colonization of AM fungus. The inoculation of AM fungus, on average, enhanced alfalfa catalase and the contents of salic

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Дисертації з теми "Alfalfa plant"

1

Madhusudhan, Vaadiyar V. "Interaction of the spotted alfalfa aphid and its food plant." Title page, contents and summary only, 1994. http://web4.library.adelaide.edu.au/theses/09PH/09phm1812.pdf.

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2

Wissuwa, Matthias 1964. "Improvement of tolerance to summer irrigation termination in alfalfa." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/282135.

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Withholding irrigation to alfalfa (Medicago sativa L.) during summer, a management strategy referred to as summer irrigation termination (SIT), has been suggested as a way to conserve water in desert environments. SIT may decrease productivity of alfalfa stands, although such negative effects may be reduced if cultivars with improved tolerance to SIT could be developed. This research was undertaken to determine how improved tolerance to SIT could be achieved through plant breeding. Single spaced plants of an extremely nondormant alfalfa population were grown in a field trial in Tucson, AZ and

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3

Venter, Annari. "Comparing plant yield and composition with soil properties using classical and geostatistical techniques." Diss., University of Pretoria, 2003. http://hdl.handle.net/2263/23916.

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Plant nutrient management plays a vital role in the success or failure of modern Lucerne production. In South Africa, Lucerne is produced under a wide range of climatic conditions, under dryland and irrigation and in some areas throughout the year. This means that there is a continuous demand for nutrients under a wide range of environmental conditions. The most important factors affecting the nutrient requirement of Lucerne is yield, the cutting schedule, climate and management practices. To enable site-specific crop requirements, the spatial variation of soil and plant properties within a fi

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4

Jeffries, Alex Craig. "The study at the molecular level of the New Zealand isolate of Lucerne transient streak sobemovirus and its satellite RNA." Title page, contents and summary only, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phj47.pdf.

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5

Dolling, P. J. "Lucerne (Medicago sativa) productivity and its effect on the water balance in southern Western Australia /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0108.

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6

Stadler, H. Scott. "Response of alfalfa to foliar applications of long-chain fatty acids or seed treatments with Chevron XE-1019." Thesis, This resource online, 1987. http://scholar.lib.vt.edu/theses/available/etd-04272010-020308/.

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7

Frank, Scott 1971. "Phosphoenolpyruvate carboxylase and cold acclimation of alfalfa." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27318.

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Phosphoenolpyruvate carboxylase (PEPC) was examined during cold acclimation of seedlings of the freezing-tolerant cultivar (Medicago sativa ssp falcata cv Anik) and the relatively freezing-sensitive cultivar (Medicago sativa cv Trek) of alfalfa. With four days of cold acclimation, PEPC activity increased to 3.5-fold and 2-fold the control levels in Anik and Trek, respectively. This was associated with an increase in the level of a 110 kD PEPC protein and a decrease in the amount of a 120 kD PEPC polypeptide in both cultivars. The role of reversible phosphorylation in regulating PEPC activity w

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8

Wolfraim, Lawrence A. (Lawrence Allen). "Cloning, characterization and regulation of expression of a cold-acclimation-specific gene, cas18, in a freezing tolerant cultivar of alfalfa." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39485.

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Cold-acclimation-specific (CAS) gene expression was examined by screening a cDNA library prepared from poly(A)$ sp+$ RNA of cold-acclimated seedlings of a freezing-tolerant variety of alfalfa (Medicago falcata cv Anik). Three distinct CAS cDNA clones, pSM784, pSM2201, and pSM2358 were isolated. The genes corresponding to all three clones are coordinately induced by cold. Expression of these genes is not triggered by other stress treatments such as heat shock, water stress, wounding, or treatment with exogenous ABA. A positive correlation was observed between the level of expression of each gen

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9

Rethwisch, Michael D., Rigo Perez, Bradley J. Griffin, A. Bradley, and Mark Reay. "Alfalfa yield and quality responses to applications of three types of plant growth regulators." College of Agriculture, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/205397.

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Three plant growth regulators (two for growth enhancement, one for growth inhibition) were applied to several consecutive cuttings of alfalfa during the period of May-August in the Blythe, CA, area. All treatments resulted in reduced tonnage compared to the untreated check, although application of prohexadione calcium (active ingredient in the growth inhibition plant growth regulator) did result in increase in alfalfa quality when applied in May. Subsequent applications during the summer of this material did not result in a quality class increase for alfalfa hay production. Treatments of growt

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10

Morita, Tateo 1958. "Effect of inbreeding on germination salt tolerance in alfalfa." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276644.

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The performance of an alfalfa (Medicago sativa L.) population has been improved by recurrent selection for germination salt tolerance. However, recurrent selection may lead to increased inbreeding. Since alfalfa is subject to severe inbreeding depression, accumulation of inbreeding during the selection process may negatively affect performance. This experiment was designed to determine the effects of inbreeding on germination performance in alfalfa under saline and non-saline conditions. The germination performance of seed having three different levels of inbreeding as examined. No adverse eff

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Книги з теми "Alfalfa plant"

1

Dirksen, C. Interaction of alfalfa with transient water and salt transport in the rootzone. U.S. Salinity Laboratory, Agricultural Research Service, U.S. Dept. of Agriculture, 1994.

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2

Nordkvist, Erik. Composition and degradation of cell walls in red clover, lucerne and cereal straw. Swedish University of Agricultural Sciences, 1987.

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3

Brummer, Joe E. Colorado forage research 2003: Alfalfa, irrigated pastures, and mountain meadows. Colorado State University, Cooperative Extension Service, 2004.

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4

Canada. Industry, Science and Technology Canada. Processed forage. Industry, Science and Technology Canada, 1988.

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5

Canada. Industry, Science and Technology Canada. Processed forage. Industry, Science and Technology Canada, 1991.

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6

Wasser, Clinton H. Alfalfa (Medicago sativa): Section 7.3.1, US Army Corps of Engineers wildlife resources management manual. U.S. Army Engineer Waterways Experiment Station, 1986.

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7

Betts, Carolyn. An economic evaluation of alternative forage programs for western Washington dairy herds. Cooperative Extension, College of Agriculture, Washington State University, 1986.

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8

Golob, Charles T. Effects of mefluidide on forage yield and quality of a mixed stand of smooth bromegrass and alfalfa. 1986.

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9

Boller, Beat, Ulrich K. Posselt, and Fabio Veronesi. Fodder Crops and Amenity Grasses. Springer London, Limited, 2010.

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10

Boller, Beat, Ulrich K. Posselt, and Fabio Veronesi. Fodder Crops and Amenity Grasses. Springer, 2012.

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Частини книг з теми "Alfalfa plant"

1

Griffin, Gerald D. "Alfalfa." In Plant and Nematode Interactions. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/agronmonogr36.c18.

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2

Bingham, E. T., and T. J. McCoy. "Somaclonal Variation in Alfalfa." In Plant Breeding Reviews. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118061015.ch4.

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3

Azimova, Shakhnoza S., and Anna I. Glushenkova. "Lucerne (alfalfa)." In Lipids, Lipophilic Components and Essential Oils from Plant Sources. Springer London, 2012. http://dx.doi.org/10.1007/978-0-85729-323-7_1908.

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4

Kehinde, Bababode Adesegun, Oluwakemi Igiehon, Adekanye Oluwabori, and Ishrat Majid. "Clover and Alfalfa Sprouts." In Advances in Plant Sprouts. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-40916-5_9.

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5

Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Medicago sativa (Alfalfa/Lucerne)." In Encyclopedia of Plant Viruses and Viroids. Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_579.

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Phillips, D. A., C. A. Maxwell, U. A. Hartwig, C. M. Joseph, and J. Wery. "Rhizosphere flavonoids released by alfalfa." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_30.

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7

Jones, J. S., and E. T. Bingham. "Inbreeding Depression in Alfalfa and Cross-Pollinated Crops." In Plant Breeding Reviews. John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470650059.ch6.

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Sullivan, Michael, Sharon Thoma, Deborah Samac, and Ronald Hatfield. "Cloning of Red Clover and Alfalfa Polyphenol Oxidase Genes and Expression of Active Enzymes in Transgenic Alfalfa." In Developments in Plant Breeding. Springer Netherlands, 2004. http://dx.doi.org/10.1007/1-4020-2591-2_17.

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Bingham, E. T., R. W. Groose, and I. M. Ray. "Activation of a Mutable Allele in Alfalfa Tissue Culture." In Plant Transposable Elements. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-5550-2_25.

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10

Dhindsa, Rajinder S., Antonio F. Monroy, Veena Sangwan, Wojciech Kawczynski, and Etienne Labbé. "Low Temperature Signal Transduction During Cold Acclimation of Alfalfa." In Plant Cold Hardiness. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-0277-1_2.

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Тези доповідей конференцій з теми "Alfalfa plant"

1

Poudel, Hari. "Potential of CRISPR/Cas9 to Alter Lipid Metabolism in Alfalfa." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1053458.

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2

Subedi, Udaya. "RNAi mediated down-regulation of various genes enhances abiotic stress tolerance in alfalfa." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1052945.

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3

Solozhentseva, Lyudmila. "Fungal diseases of alfalfa in the non-chernozem zone of Russia and plant resistance to them." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/mak-2021-25-73-31-35.

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The article shows the importance of alfalfa for agriculture, presents the results of long-term observations (phytomonitoring) of the development of fungal diseases on the herbage of alfalfa variable, yellow (in breeding, control nurseries, competitive variety testing).

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4

Brushwood, John S., Ken Campbell, C. V. Hanson, Andras Horvath, and Thomas Vivenzio. "A Combined Cycle Power Generation/Alfalfa Processing System: Part 1 — Development and Testing." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-335.

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The Minnesota Valley Alfalfa Producers (MnVAP), a farmer owned cooperative, is developing a 75 MW combined cycle power plant integrated with alfalfa processiag facilities in southwestern Minnesota. The Minnesota Agri-Power (MAP) project is supported by the U. S. Department of Energy and a project development team that includes Stone & Webster, the University of Minnesota, United Power Association, Carbona Corporation/Kvaerner Pulping Inc. and Westinghouse. Alfalfa processing facilities separate the fibrous stem material from the protein-rich leaf fraction. The resulting alfalfa leaf meal (

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Lomov, Mikhail, Yuri Piskovatsky, and Lyudmila Solozhentseva. "SEED PRODUCTIVITY OF ALFALFA IN NON-CHERNOZEM REGION." In Multifunctional adaptive fodder production 26 (74). Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/mak-2021-26-74-83-89.

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The results of selection studies conducted at the Central Experimental Base of the Federal State Budgetary Scientific Institution Federal Williams Research Center of Forage Production and Agroecology in the Non-Chernozem Zone of the Russian Federation are presented. Brief data on promising samples and hybrids of alfalfa created in the department of alfalfa breeding for seed productivity are presented. For a long time, alfalfa breeding was mainly in the direction of obtaining new varieties with high yields of fodder mass and little attention was paid to seed yields, which led to the creation of

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6

"Key directions of breeding and seed production of alfalfa in European Russia." In Current Challenges in Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences Novosibirsk State University, 2019. http://dx.doi.org/10.18699/icg-plantgen2019-73.

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7

Sekulić, Zoran Ž., Sanja Đurović, Boris Pisinov, et al. "THE ROLE OF NATURAL BIOSTIMULANTS IN CLIMATE-SMART AGRICULTURE: ASCOPHYLLUM NODOSUM’S IMPACT ON ALFALFA YIELD." In 12. JEEP INTERNATIONAL SCIENTIFIC AGRIBUSINESS CONFERENCE, MAK 2025 – KOPAONIK. Association science and business center WORLD; Institute for plant protection and environment, Belgrade, Serbia, 2025. https://doi.org/10.46793/mak2025.315s.

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In the context of growing challenges posed by climate change, sustainable agriculture increasingly recognizes the importance of biostimulants derived from natural bioactive molecules, which offer an ecological alternative to synthetic fertilizers. The significant variability in bioactive compounds and sources of biostimulants highlights a broad spectrum of potential solutions for improving crop yields and enhancing plant stress tolerance, particularly in response to climate-induced stresses such as drought and temperature extremes. This study aims to evaluate the efficacy of Ascophyllum nodosu

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8

Mitov, Denis, Stefan Petrović, Aleksandar Ranđelović, Jelena Mrmošanin, Aleksandra Pavlović, and Snežana Tošić. "UPTAKE OF HEAVY METALS BY ALFALFA (Medicago sativa L.): POT EXPERIMENT." In 1st INTERNATIONAL SYMPOSIUM ON BIOTECHNOLOGY. University of Kragujevac, Faculty of Agronomy, 2023. http://dx.doi.org/10.46793/sbt28.533m.

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In this work, the uptake of some heavy metals (Cd, Cr, Cu, Ni and Pb) by alfalfa (Medicago sativa L.) was studied in a pot experiment. Alfalfa and soil samples were prepared by wet digestion and analyzed by ICP-OES. The obtained results were discussed based on the determined concentrations, translocation factors (TFs) and enrichment factors (EFs) values, showing that this plant species is able to uptake increased amounts of Cd by roots.

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9

Rios, E., M. Murad Andrade, C. C. Fernandes Filho, et al. "Plant Breeding Perspectives for Alfalfa (Medicago Sativa L.) Success in Warm Climates." In XXV International Grassland Congress. International Grassland Congress 2023, 2023. http://dx.doi.org/10.52202/071171-0200.

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10

Chernov, K. P., M. S. Burlakovsky, E. S. Okulova, D. R. Agliullina, M. V. Padkina, and L. A. Lutova. "A STUDY OF TRANSGENIC ALFALFA PLANTS (MEDICAGO TRUNCATULA GAERTN.) PRODUCING CHICKEN INTERFERON-GAMMA." In XI МЕЖДУНАРОДНАЯ КОНФЕРЕНЦИЯ МОЛОДЫХ УЧЕНЫХ: БИОИНФОРМАТИКОВ, БИОТЕХНОЛОГОВ, БИОФИЗИКОВ, ВИРУСОЛОГОВ, МОЛЕКУЛЯРНЫХ БИОЛОГОВ И СПЕЦИАЛИСТОВ ФУНДАМЕНТАЛЬНОЙ МЕДИЦИНЫ. IPC NSU, 2024. https://doi.org/10.25205/978-5-4437-1691-6-116.

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In modern pharmacology, there is a transition from low-molecular-weight drugs to protein drugs, which are obtained using transgenic producing organisms. Using the example of gamma interferon producing plants, we demonstrate the advantages and disadvantages of the plant expression system, and methods to increase its effectiveness.

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Звіти організацій з теми "Alfalfa plant"

1

Phillips, Donald, and Yoram Kapulnik. Using Flavonoids to Control in vitro Development of Vesicular Arbuscular Mycorrhizal Fungi. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7613012.bard.

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Vesicular-arbuscular mycorrhizal (VAM) fungi and other beneficial rhizosphere microorganisms, such as Rhizobium bacteria, must locate and infect a host plant before either symbiont profits. Although benefits of the VAM association for increased phosphorous uptake have been widely documented, attempts to improve the fungus and to produce agronomically useful amounts of inoculum have failed due to a lack of in vitro production methods. This project was designed to extend our prior observation that the alfalfa flavonoid quercetin promoted spore germination and hyphal growth of VAM fungi in the ab

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2

Sengupta-Gopalan, Champa, Shmuel Galili, and Rachel Amir. Improving Methionine Content in Transgenic Forage Legumes. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7580671.bard.

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Leguminous forage crops are high in proteins but deficient in S- amino acids. It has been shown that both wool quality and milk production can be limited by the post-ruminal supply of sulfur-containing amino acids. Efforts to use conventional plant breeding and cell selection techniques to increase the S-amino acid content of alfalfa have met with little success. With the objective to increase the S-amino acid content of forage legumes, the goal of this project was to co- express the methionine rich zein genes from corn along with a gene for a key enzyme in methionine biosynthesis, aspartate k

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3

Kapulnik, Yoram, and Donald A. Phillips. Isoflavonoid Regulation of Root Bacteria. United States Department of Agriculture, 1996. http://dx.doi.org/10.32747/1996.7570561.bard.

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The overall objective of this project was to develop a conceptual framework for enhancing root colonization by beneficial bacteria. To accomplish this aim we tested the hypothesis that production and excretion of the plant phytoalexin medicarpin can be used for creation of a special niche along the legume roots, where beneficial microorganism, such as rhizobium, will have a selective advantage. On the Israeli side it was shown that higher medicarpin levels are exuded following the application of Rhizobium meliloti to the rhizosphere but the specific biochemical pathway governing medicarpin pro

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4

Dickman, Martin B., and Oded Yarden. Pathogenicity and Sclerotial Development of Sclerotinia sclerotiorum: Involvement of Oxalic Acid and Chitin Synthesis. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7571357.bard.

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Sclerotinia sclerotiorum (Lib.) de Bary is among the world's most successful and omnivorous fungal plant pathogens. Included in the nearly 400 species of plants reported as hosts to this fungus are canola, alfalfa, soybean, sunflower, dry bean and potato. The general inability to develop resistant germplasm with these economically important crops to this pathogen has focused attention on the need for a more detailed examination of the pathogenic determinants involved in disease development. A mechanistic understanding of the successful strategy(ies) used by S. sclerotiorum in colonizing host p

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5

Dickman, Martin B., and Oded Yarden. Phosphorylative Transduction of Developmental and Pathogenicity-Related Cues in Sclerotinia Sclerotiorum. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7586472.bard.

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Анотація:

Sclerotinia sclerotiorum (Lib.) de Bary is among the world's most successful and omnivorous fungal plant pathogens. Included in the more than 400 species of plants reported as hosts to this fungus are canola, alfalfa, soybean, sunflower, dry bean, and potato. The general inability to develop resistant germplasm with these economically important crops to this pathogen has focused attention on the need for a more detailed examination of the pathogenic determinants involved in disease development. This proposal involved experiments that examined the involvement of protein phosphorylation during m

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