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Dissertations / Theses on the topic 'Soybean'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Choi, Chang Won. "Soybean mosaic virus-soybean interactions : molecular, biochemical, physiological, and immunological analysis of resistance responses of soybean to soybean mosaic virus /." Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-07282008-134858/.

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2

Qusus, Saba J. "Molecular Studies on Soybean Mosaic Virus-Soybean Interations." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30328.

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In the U.S., soybean mosaic virus (SMV) is classified into seven strain groups, designated G1 to G7, based on their different responses on resistant soybean [Glycine max (L.) Merr.] cultivars. These responses are: symptomless or resistant (R), necrotic (N), and mosaic or susceptible (S). The gene-for-gene model has been proposed for SMV-soybean interactions. In the majority of cultivars, a single dominant gene, Rsv1, confers both the R and N responses. In the first part of this study, the coat protein (CP) genes of two SMV strains, G1 and G6 were isolated, cloned, and sequenced. Gene isolation

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3

Aslan, Hatice. "Using remote sensing in soybean breeding: estimating soybean grain yield and soybean cyst nematode populations." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/18830.

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Master of Science<br>Department of Agronomy<br>William T. Schapaugh<br>Remote sensing technologies might serve as indirect selection tools to improve phenotyping to differentiate genotypes for yield in soybean breeding program as well as the assessment of soybean cyst nematode (SCN), Heterodera glycines. The objective of these studies were to: i) investigate potential use of spectral reflectance indices (SRIs) and canopy temperature (CT) as screening tools for soybean grain yield in an elite, segregating population; ii) determine the most appropriate growth stage(s) to measure SRI’s for predic

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4

Lu, Xin. "Soybean mosaic and stem canker in Iowa soybean fields." [Ames, Iowa : Iowa State University], 2008.

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5

Ma, Guorong. "Genetic analysis of soybean reactions to soybean mosaic virus." Diss., Virginia Tech, 1995. http://hdl.handle.net/10919/40253.

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The soybean [<i>Glycine max</i> (L.) Merr.] mosaic disease, caused by soybean mosaic virus (SMV), is one of the most important soybean diseases in many areas of the world. This research, conducted in four separate studies, was designed to identify and characterize new sources of genes for resistance to SMV and to investigate the interaction of soybean resistance genes and SMV strains.<br>Ph. D.

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6

Fayad, Amer C. "Interactions of soybean Rsv genes and Soybean mosaic virus." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/11081.

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Soybean mosaic virus (SMV; Genus Potyvirus; Family Potyviridae) is one of the most widespread viruses in soybean (Glycine max [L.] Merr.). Hutcheson, a cultivar developed in Virginia, is resistant to the common strains of SMV. However, new resistance-breaking (RB) isolates of SMV have emerged in natural infections to break the resistance of Hutcheson containing the Rsv1y allele. These RB isolates are SMV-G5 and G6-like based on the differential reactions on soybean cultivars with the Rsv1 locus, and are more G6-like based on the amino acid sequence of the coat protein (CP). The CP of the RB is

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7

Gunduz, Irfan. "Genetic Analysis of Soybean Mosaic Virus Resistance in Soybean." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/26439.

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This research was conducted to analyze the genetics of soybean mosaic virus (SMV) resistance in soybean [Glycine max (L.) Merr.] and to determine allelic relationships of SMV resistance genes and their interactions with SMV strain groups. In the first part of this study, the inheritance of SMV resistance in OX670 and 'Harosoy' was studied to determine the source and identity of the resistance gene/genes in OX670. Other researchers reported that OX670 possesses a single gene at a locus independent of Rsv1 and assigned the gene symbol Rsv2. Rsv2 was presumably derived from the cultivar 'Raiden'

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8

Stewart, Ashley. "Molecular interactions among soybean aphids and aphid-resistant soybean." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574777162373585.

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9

Chen, Pengyin. "Genetics of reactions to soybean mosaic virus in soybean." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54781.

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The genetic interactions among 9 soybean [<i>Glycine max</i> (L.) Merr.] cultivars and 6 strains of soybean mosaic virus (SMV) were investigated. The objectives were to identify genes and/or alleles conditioning resistant and necrotic reactions to SMV and to determine the genetic relationships among resistance genes from cultivars exhibiting differential responses to the SMV strains. Seven SMV-resistant (R) cultivars (‘PI 486355’, ‘Suweon 97’, ‘PI 96983’, ‘Ogden’, ‘York’, ‘Marshall’, and ‘Kwanggyo’) were crossed in all combinations among each other and with susceptible (S) cultivars ‘Essex’

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10

Meng, Jianye. "Genetic analysis of soybean aphid resistance gene in soybean K1621." Diss., Kansas State University, 2010. http://hdl.handle.net/2097/4599.

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Doctor of Philosophy<br>Genetics Interdepartmental Program-Agronomy<br>William T. Schapaugh Jr<br>The soybean aphid (Aphis glycines Matsumura) has been one of the major pests of soybean [Glycine max (L.) Merr.] in soybean-growing regions of North America since it was first reported in 2000. The objectives of this study were to screen for soybean aphid resistant genotypes, determine the inheritance of resistant genes, and map and validate the resistance gene in the moderate resistant genotype K1621 using simple sequence repeat (SSR) markers. A mapping population of 150 F2:3 families from the cr

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11

Chandran, Predeesh. "Different sources of resistance in soybean against soybean aphid biotypes." Thesis, Kansas State University, 2010. http://hdl.handle.net/2097/7061.

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Master of Science<br>Department of Entomology<br>John C. Reese<br>The soybean aphid, Aphis glycines Matsumura, arrived first to North America during the midst of 2000. It is a very fast spreading insect and causes a high yield loss of above 50% in most of the soybean growing tracts of United States. Another important economic threat is it’s ability to transmit some viruses to soybean. Studies to control this exotic pest started early during the year of its arrival. But a complete integrated pest management (IPM) approach that includes a combination of different control measures has yet to be c

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12

Yue, Pin. "Genetics of resistance to Heterodera glycines races in two soybean plant introductions /." free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9974705.

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13

Traiyongwanich, Suthijit. "The economics of marketing and processing identity preserved-soybeans /." free to MU campus, to others for purchase, 1999. http://wwwlib.umi.com/cr/mo/fullcit?p9951129.

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14

Scanlan, Tracy Cottle. "A genotypic comparison of plasticity of root system development during soil drying in soybean (Glycine max (L.) merrill)." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/5914.

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Thesis (M.S.)--University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on September 14, 2007) Includes bibliographical references.

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15

Diaz-Montano, John. "Components of soybean resistance to the soybean aphid, Aphis glycines Matsumura." Thesis, Manhattan, Kan. : Kansas State University, 2006. http://hdl.handle.net/2097/185.

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16

Gera, Tarun. "Tracking soybean mosaic virus movement in soybean by leaf impring immunoassay." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12232009-020606/.

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17

Bond, H. M. "Studies on the interaction between soybean agglutinin and components of soybean seeds." Thesis, University of Leeds, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355611.

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18

Griggs, Roland Stephen. "Pseudomonas spp. Isolated from Soybean Nodules Promote Soybean Growth and Nitrogen Fixation." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/98790.

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Nitrogen-fixing bacteria in soybean nodules convert atmospheric nitrogen to plant-available forms in exchange for carbon from the plant, but other non-nitrogen-fixing bacteria also reside in nodules, and their role in the nodule is not well understood. This study was conducted to determine the effect of three non-nitrogen-fixing Pseudomonas spp. strains isolated from nodules on soybean, and we hypothesized these strains benefit soybean. A greenhouse study in which two cultivars of soybean (Asgrow AG46X6 and Pioneer P48A60X) were treated with three fluorescent Pseudomonas spp. strains (referred

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19

White, Damien Scott. "Potential for improving the drought resistance of soybean (Glycine max (L.) Merr.) using the transpiration efficiency trait." Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09AFM/09afmw583.pdf.

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Bibliography: leaves 134-145. The improvement of drought tolerance of commercial soybean varieties via indirect selection for transpiration efficiency (TE) in breeding programs was investigated. The extent and nature of variation for TE among soybean genotypes were established through glasshouse experiments under well watered conditions, and confirmed in the field under contrasting water stress conditions. The results suggest that increasing TE will be a beneficial strategy to improve soybean grain yield at the crop level, and a protocol developed suited to indirect selection for high TE soybe

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20

Galganov, Yvonne T. (Yvonne Tamara). "Subsurface irrigation of soybean." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70168.

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A field experiment was conducted on a homogeneous sandy soil and a layered soil of southern Quebec from 1988 to 1990. This was done in order to evaluate the yield response of indeterminate soybean to subsurface irrigation and to determine the performance of subsurface irrigation in a layered soil. It was found that indeterminate soybean varieties increase their yield by approximately 30% for two out of three years. Soybean are very sensitive to competition between themselves as well as with weeds. This sensitivity is increased during subsurface irrigation. Weeds were more prominent in the irri

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21

Hwang, Eun-Young. "Association analysis in soybean." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8745.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Dept. of Natural Resource Sciences and Landscape Architecture. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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22

Schmitz, Peder. "Soybean Seeding Rate and Row Spacing Effects on Plant Establishment and Yield." Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/29226.

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North Dakota soybean [Glycine max (L.) Merrill] management varies across the state, resulting in yield differences. Eight soybean seeding rates (starting at 197600 and increasing by 49400 live seed ha-1 increments) and row spacing (30 and 61 cm) were evaluated in 15 North Dakota environments in 2017-2018 to determine plant densities, seed yield, and plant loss, which were compared with soybean producer field data. Planting 30 cm row spacing yielded 183 kg ha-1 greater than 61 cm row spacing. On farm, maximum yields occurred at 414000 live seed ha-1 and final plant densities of 352000 plants ha

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23

Brown, Sabrina L. "The effect of environment on seed composition of tofu and natto soybean cultivars." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4509.

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Thesis (M.S.) University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 22, 2007) Includes bibliographical references.

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24

Islam, Md Sariful Sleper D. A. "Molecular characterization of genetic resistance to soybean cyst nematode in soybean line SS97-6946." Diss., Columbia, Mo. : University of Missouri--Columbia, 2008. http://hdl.handle.net/10355/6291.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb. 12, 2010 ). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Dr. David A. Sleper, Thesis advisor Includes bibliographical references.

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25

Davis, Randal James. "The mean bean the biological, economic, and social consequences of soybean production within the Brazilian Amazon /." [Denver, Colo.] : Regis University, 2009. http://165.236.235.140/lib/RDavis2009.pdf.

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26

Belt, Travis C. "In-field variation for soybean emergence and development /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1421112.

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27

Tucker, Dominic M. "Mapping and Characterization of Phytophthora sojae and Soybean Mosaic Virus Resistance in Soybean." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/79598.

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Phytophthora sojae, the causal organism of stem and root rot, and <i>Soybean mosaic virus</i> (SMV) cause two of the most highly destructive diseases of soybean (<i>Glycine max</i> L. Merr). <i>P. sojae</i> can be managed either through deployment of race-specific resistance or through quantitative resistance termed partial resistance. In the current study, partial resistance to <i>P. sojae</i> was mapped in an interspecific recombinant inbred line (RIL) population of <i>Glycine max</i> by <i>Glycine soja</i>. One major quantitative trait loci (QTL) on molecular linkage group (MLG)-J (chrom

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28

Yang, Xiaoyu. "Response of soybean (Glycine max) to glyphosate and soybean cyst nematode (Heterodera glycines) /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488196781732518.

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29

Colantonio, Vincent. "ON THE PATHOGENESIS OF SOYBEAN CYST NEMATODE AND MECHANISMS OF RESISTANCE BY SOYBEAN." OpenSIUC, 2017. https://opensiuc.lib.siu.edu/theses/2090.

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Soybean cyst nematode (SCN), Heterodera glycines Ichinohe, is the most devastating pathogen of soybeans, Glycine max (L.) Merr., causing over $1 billion in yield losses annually in the United States alone. Currently, planting of genetically resistant cultivars is the most commonly employed management strategy. Due to an overuse of genetic resistance derived from the soybean variety ‘PI 88788’, many populations of soybean cyst nematodes are becoming virulent on previously resistant cultivars, urging the understanding and discovery of alternative mechanisms of SCN resistance. In this study, we w

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30

Hyten, David Lee. "Genetic diversity and linkage disequilibrium in wild soybean, landraces, ancestral, and elite soybean populations." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2441.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Natural Resource Sciences. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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31

Da, Costa Vladimir Azevedo. "Management strategies to improve soybean yield in high pH soybean cyst nematode infested fields." [Ames, Iowa : Iowa State University], 2006.

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32

Larson, Kim. "Evaluation of soybean inoculant products and techniques to address soybean nodulation problems in Kansas." Thesis, Kansas State University, 2013. http://hdl.handle.net/2097/16303.

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Master of Science<br>Department of Agronomy<br>Kraig Roozeboom<br>Nitrogen fixation by Bradyrhizobium japonicum in soybean [Glycine max] is highly beneficial in soybean crop production. Nodulation issues have been encountered on fields new to growing soybeans in recent years in Kansas. The purpose of this research was to evaluate soybean nodulation performance under various situations and seed handling practices in order to educate producers on how to achieve reliable nodulation consistency in the field. The objectives of the study were to: 1) compare inoculant products using single and double

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33

Kristipati, Sesha Sai Venkata. "Molecular Mapping Of A Soybean Mosaic Virus (SMV) Resistance Gene In Soybean (Glycine Max)." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/10009.

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Soybean mosaic virus (SMV) is the major virus disease reported all over the world in soybean crop. This disease causes reduction in the yield and quality of soybean crop. Three independent genes Rsv1, Rsv3, and Rsv4, were found to provide host resistance in soybean. Rsv1 confers resistance to all but most virulant strains of SMV. Rsv1 has been mapped to soybean molecular linkage group (MLG) F by using molecular markers. The purpose of this study is to investigate the location of Rsv3 gene on soybean map using molecular markers. The Rsv3 gene of soybean confers resistance to the most vurulent

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34

Agyepong, Andoh-Baidoo Rosemarie. "SPECTROSCOPIC CHARACTERIZATIONS OF THE COMPOUND II INTERMEDIATE OF SOYBEAN PEROXIDASE FROM SOYBEAN SEED COATINGS." VCU Scholars Compass, 2009. http://scholarscompass.vcu.edu/etd/20.

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Spectroscopic characterization of ferric soybean peroxidase with peroxides were studied to determine the ligand coordination and to characterize the structure of the heme active site and its intermediates (ferryl species). The lifetime, chemical reactivity and distinctive colors of the ferryl species (FeIV) formed during the oxidation of peroxidase (FeIII) by peroxides enabled structure, dynamics and reaction mechanisms to be studied. Resonance Raman spectroscopy was used as a means of characterizing the structure of the soybean peroxidase and its intermediates. Excitation in the Soret absorp

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35

Maughan, Peter Jeffrey. "Microsatellite polymorphism, orthologous evolution and molecular marker analysis of seed quality traits in soybean (Glycine max L. Merr.)." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06062008-163918/.

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36

Gutierrez-Gonzalez, Juan Jose Sleper D. A. Nguyen Henry T. "Genetic basis of isoflavone accumulation during soybean seed development special focus on water-deficit conditions /." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6852.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb 23, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Dissertation advisor: Dr. David A. Sleper; Dr. Henry T. Nguyen. Vita. Includes bibliographical references.

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37

Crepin, Léa. "Soybean trade and imported deforestation." Electronic Thesis or Diss., Paris, AgroParisTech, 2024. http://www.theses.fr/2024AGPT0004.

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L'essor du commerce international du soja suscite une inquiétude croissante quant à son impact sur la déforestation, et par conséquent sur le climat et la biodiversité. Le rôle des consommateurs étrangers par le biais de leur demande de produits agricoles est crucial, ce qui révèle le poids considérable du commerce extérieur dans la déforestation. Ces constats marquent un changement dans la manière dont nous abordons la déforestation, passant d'un problème de gestion des ressources locales à une préoccupation internationale. Le concept de déforestation importée illustre ce changement de perspe

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38

Cacho, Joyce Agnes Sabina. "United States competitiveness in soybean trade : loss market share in the Japanese soybean import market /." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08222009-040252/.

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39

Moore, Jenna Marie. "Effects of Soybean Seeding Rate on Plant-to-Plant Variability, Yield, and Soybean Cyst Nematode." The Ohio State University, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1618507332113264.

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40

Davis, Colin Lee. "Identification, Validation, and Mapping of Phytophthora sojae and Soybean Mosaic Virus Resistance Genes in Soybean." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/77857.

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Estimated at approximately $43 billion annually, the cultivated soybean Glycine max (L.) Merr., is the second most valuable crop in the United States. Soybeans account for 57% of the world oil-seed production and are utilized as a protein source in products such as animal feed. The value of a soybean crop, measured in seed quality and quantity, is negatively affected by biotic and abiotic stresses. This research is focused on resistance to biotic disease stress in soybean. In particular, we are working on the Phytophthora soja (P. sojae) and Soybean Mosaic Virus (SMV) systems. For each of thes

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41

Flora, Jonathan P. "The Effects of Temperature On The Durability Of Resistance Of Soybean To Soybean Mosaic Virus." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/35558.

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The objectives of this study were to determine the effects the temperature sensitivity of alleles of Rsv1 in soybean (Glycine max (L.) Merr.). Soybean cultivars carrying alleles of Rsv were exposed to 1 several heat treatments designed to induce heat shock protein production prior to inoculation with soybean mosaic virus (SMV). The heat treatment methods were similar to those employed in the research with N gene-tobacco mosaic virus studies. The soybean cultivars used were Lee 69, York, Kwanggyo, Ogden and PI96983, carrying the Rsv, Rsv1-y, Rsv1-k, Rsv1-t, and Rsv1 allles of Rsv1, respectively

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42

Silulwane, Nasiphi Loyola. "Effects of nitric oxide on novel soybean cystatin gene expression under salt stress in soybean." University of the Western Cape, 2012. http://hdl.handle.net/11394/4623.

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>Magister Scientiae - MSc<br>Nitric oxide (NO) has been shown to orchestrate multiple defense responses to both abiotic and biotic stress. Importantly, elevation of nitric oxide content in plants by using nitric oxide generating compounds has been shown to enhance plant tolerance to abiotic stresses such as salt and drought via up-regulation of genes involved in the regulation of plant responses to abiotic stress. In this study, the effect(s) of nitric oxide (generated from 10 μM of the nitric oxide donor DET/NO) on the expression of a novel soybean cystatin gene (Glyma20g08800), lipid peroxid

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Karriem, Zaheer. "Characterization of the role of single domain soybean cystatins in regulating drought responses in soybean." University of the Western Cape, 2015. http://hdl.handle.net/11394/5316.

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>Magister Scientiae - MSc<br>This study investigated the effects that drought stress imposed on the growth and development of soybean plants. Soybeans were initially observed at the whole-plant level in order to identify the physical changes that had taken place in response to drought. Further investigation of the effects of drought stress on Soybean plants were quantified at the molecular level. Physical changes of soybeans in response to drought stress were typified by the change in leaf morphology and pigmentation. At the molecular level, it was observed that drought stress resulted in the

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44

Xue, Ping. "Physiological and molecular studies of ethylene effects on soybean root infection by soybean cyst nematodes." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7799.

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Thesis (M.S.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Dept. of Natural Resource Sciences and Landscape Architecture. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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45

Cai, Zheng. "Repetitive sequence analysis for soybean genome sequences." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/4249.

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Thesis (M.S.)--University of Missouri-Columbia, 2005.<br>"May 2005" The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Includes bibliographical references.

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46

Colgrove, Alison Lee. "An investigation of Heterodera glycines populations on resistant soybean /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3164496.

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47

Rhine, Matthew D. "Reaction of soybean cultivars to waterlogged soil." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4551.

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Thesis (M.S.) University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 28, 2007) Includes bibliographical references.

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48

Lu, Peiqin. "Investigation of resistance to Heterodea glycines (scn) in soybean plant introductions (pi) 467312 and 507354." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/6014.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on January 2, 2008) Includes bibliographical references.

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49

Moody, Nathaniel David. "Optimization of Soybean Buying Strategies Using Derivatives." Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28548.

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The portfolio model of hedging framework, based off Markowitz (1952), is used to determine the best mix of futures, basis, and option contracts to hedge a soybean purchase from PNW 28 weeks in to the future. Eighteen options are incorporated including in-the-money, at-the-money, and out-of-the-money call and puts with different expiration dates. Futures and option pricing data is extracted from ProphetX from November of 2013 to December of 2016. Expected utility objectives including mean-variance, CVaR, Mean-CVaR, and Mean-CVaR with copula are maximized using linear programming optimization me

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Johnson, Bryan Fisher. "Influence of Several Herbicides on Visual Injury, Leaf Area Index, and Yield of Glyphosate-Tolerant Soybean (Glycine max)." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/32295.

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Abstract:

The occasional failure of glyphosate to control all weeds throughout the entire growing season has prompted growers to sometimes use herbicides other than glyphosate on glyphosate-tolerant soybean. Field studies were conducted in 1999 and 2000 to investigate potential crop injury from several herbicides on glyphosate-tolerant soybean, and to determine the relationship between soybean maturity, planting date, and herbicide treatment on soybean injury, leaf area index (LAI), and yield. Three glyphosate-tolerant soybean cultivars representing maturity groups III, IV and V were planted at dates

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