soybean Articles
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Probability of yield response to inoculants in fields with a history of soybean
Inoculants containing Bradyrhizobium japonicum are available for soybean [Glycine max (L.) Merr.] production but may not be necessary in fields where soybean previously has been produced. The objective of this study was to determine yield response and probability of an economic return from inoculants in fields with a recent history of soybean production. Fifty-one inoculant products were ...
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Production technology of soybean protein isolate
Soybean protein isolate is a kind of edible soybean protein product which is processed by using peeling, degreasing, cold pressing soybean cake or low temperature desoluble soybean meal as raw material through dilute alkali extraction, acid precipitation, centrifugal separation, spray drying and other processes. Soy protein isolate is protein content & GT; 90% good protein. It is not only ...
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Sources of soybean rust resistance challenged with single-spored isolates of phakopsora pachyrhizi
Soybean rust, caused by the fungus Phakopsora pachyrhizi Syd., is a potentially devastating disease that can cause significant yield losses. Resistance in soybean [Glycine max (L.) Merr.] germplasm, both qualitative and quantitative, may be effective in providing at least partial control of soybean rust. A number of soybean genotypes have resistance to soybean rust, but few of these have been ...
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Collegiate Biobased Network Provides Connections To Industry Leaders For Interested Students
The Collegiate Biobased Network (CBN), supported by the United Soybean Board, promotes educational and career connections in the biobased industry for college and university students. There is no cost to join this professional organization, and students will get access to biobased development updates, webinars on current biobased topics, networking and mentoring opportunities, participation in ...
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Soybean aphid population dynamics, soybean yield loss, and development of stage-specific economic injury levels
Stage-specific economic injury levels (EILs) form the basis of integrated pest management for soybean aphid (Aphis glycines Matsumura) in soybean [Glycine max (L.) Merr.]. Experimental objectives were to develop a procedure for calculating EILs of the soybean aphid specific to the R2 (full bloom), R4 (full pod), and R5 (beginning seed) soybean development stages using the law of the diminishing ...
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Soybean aphid population dynamics, soybean yield loss, and development of stage-specific economic injury levels
Stage-specific economic injury levels (EILs) form the basis of integrated pest management for soybean aphid (Aphis glycines Matsumura) in soybean [Glycine max (L.) Merr.]. Experimental objectives were to develop a procedure for calculating EILs of the soybean aphid specific to the R2 (full bloom), R4 (full pod), and R5 (beginning seed) soybean development stages using the law of the diminishing ...
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Soybean Oil Press Machine
Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health. Press method is divided into two: general press method and screw press method. The common press method is now rarely used, especially in industrial ...
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Soybean Oil Press Machine
We have soybean oil press machine for sale! Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health. Press method is divided into two: general press method and screw press method. The common press method is ...
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Genotype x environment interaction and stability for isoflavone content in soybean
Isoflavones are naturally occurring compounds found in soybean [Glycine max (L.) Merr.]. Soybean isoflavone, as a quantitative trait, is subject to significant genotype x environment interaction, which makes breeding for this trait difficult. Thirty F4:7 soybean lines, derived from crosses of ‘RCAT Angora’ x CK-01 and ‘Heinong 35’ x RCAT Angora were classified within each population as high, ...
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Daily price and volatility behaviour in soybean oil market
Volatility in agricultural futures markets is an important research area and has been a cause for concern among governments, traders, producers, and consumers. The purpose of this article is to investigate the financial and currency sources of price and volatility distortion of soybean oil future prices, using a GJR-GARCH model. The crucial element of the study is the inclusion of currency, ...
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Inheritance of resistance to the Soybean aphid in Soybean PI 200538
The soybean aphid (Aphis glycines Matsumura) is a major soybean [Glycine max (L.) Merr.] insect pest. Soybean plant introduction (PI) 200538 has strong resistance to the aphid. The objectives of our research were to determine the inheritance of resistance and to map gene(s) controlling resistance in PI 200538. F2 populations developed from crosses between PI 200538 and three susceptible genotypes ...
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Mapping and comparison of quantitative trait loci for oleic acid seed content in two segregating soybean populations
Soybean [Glycine max (L.) Merr.] produces 29.4% of the world's edible vegetable oil. An important determinant of the nutritional value and the oxidative stability of soybean oil is the oleic acid content. Elevation of the oleate content levels leads to the improvement of soybean oil quality. However, our knowledge of the genetic factors underlying oleate variation in soybean seeds remains ...
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Reaction of soybean rust-resistant lines identified in paraguay to mississippi isolates of phakopsora pachyrhizi
Phakopsora pachyrhizi is the causal agent of Asian soybean rust (ASR). Since the discovery of ASR in North America in 2004, evaluation of soybean [Glycine max (L.) Merr.] lines with U.S. isolates has become an important objective to identify resistance sources to the pathogen. In this study, 10 plant introductions (PIs) previously identified as resistant in Paraguay were evaluated using three ASR ...
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Effect of row spacing and seeding rate on soybean yield
Soybean [Glycine max (L.) Merr.] yield response to narrow row spacing has been consistently positive in the upper Midwest and new split-row planters have made narrow row soybean production feasible, yet adoption has been slow in Iowa. Wide (76-cm) and narrow (38-cm) row spacing and four seeding rates (185,000; 309,000; 432 000; and 556,000 seeds ha–1) were evaluated at three locations during ...
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Mapping and confirmation of a new allele at Rpp1 from soybean PI 594538A conferring RB lesion–type resistance to soybean rust
Soybean rust, caused by Phakopsora pachyrhizi (H. Sydow & Sydow), is a destructive soybean [Glycine max (L.) Merr.] disease and identification of new resistance genes is essential for effective rust management. Our research objectives were to map and confirm the location of resistance gene(s) in PI 594538A using a population of 98 F3:4 lines from a cross between PI594538A (reddish-brown [RB] ...
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Social resistance to biotechnology: attempts to create a Genetically Modified-free territory in Brazil
This paper looks at the attempt to create a territory free of transgenic crops in the state of Rio Grande do Sul (RS) Although the state government had legal grounds under federal law and court decisions that banned these crops in Brazil, resistance by groups representing local farmers managed to disseminate the planting of transgenic soybeans in the state. The reasons for the government's ...
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De-inking paper sludge amendment affects weeds in the presence or absence of herbicide in a soybean-corn rotation
The application of de-inking paper sludge (DPS), a C-rich but N-poor soil amendment, can sometimes decrease plant growth. This property needs to be investigated to develop the knowledge and management methods necessary for potential weed control. Today, there is no information on the effectiveness of using DPS to control weeds within a soybean [Glycine max (L.) Merr.]-corn (Zea mays L.) rotation. ...
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The associated effects of the soybean aphid resistance locus rag1 on soybean yield and other agronomic traits
The soybean aphid (Aphis glycines Matsumura) is a new invasive soybean [Glycine max (L.) Merr.] insect pest first identified in North America in 2000. A major aphid resistance gene Rag1 was identified and mapped from the maturity group VIII cultivar Dowling, and the gene has been introgressed into Midwest-adapted germplasm. The objective of this study was to test the associated effects of Rag1 on ...
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Correlation between temperature and oleic acid seed content in three segregating soybean populations
The development of high-oleate soybean [Glycine max (L.) Merr.] germplasm, currently in demand due to its nutritional value and oxidative stability, may be hampered by the instability of fatty acid composition across environments, which is largely attributed to temperature changes and its effects on fatty acid biosynthesis during the period of oil deposition. In the present study, we evaluated ...
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Evaluation of a simple method to screen soybean genotypes for salt tolerance
Excessive salt can reduce soybean yield [Glycine max (L.) Merr.] in grower fields. Salt-tolerant cultivars are needed to prevent field yield losses where excess salt is a problem. Soybean genotypes have primarily been evaluated for reaction to salt in the greenhouse using a labor-intensive and costly hydroponics method. A reliable, inexpensive method to screen soybean lines for salt tolerance ...
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