seed protein Articles
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Pod removal, shade, and defoliation effects on soybean yield, protein, and oil
Soybean [Glycine max (L.) Merr.] yield formation in field environments can be either source-limited or sink-limited, depending on the assimilatory capacity of the mother plant relative to the assimilate demands of the developing seeds. Our objective was to evaluate yield and seed quality relationships under source-limited and sink-limited conditions during the seed-filling period, as protein and ...
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Canopy nitrogen reserves: impact on soybean yield and seed quality traits in northern latitudes
Soybean [Glycine max (L.) Merr.] seed produced in the upper Midwest of the United States is lower in protein concentration than soybean produced throughout much of the Corn Belt, the southern United States, and Brazil. As protein comprises on average more than 400 g kg–1 of the soybean seed, yields in northern latitudes may be limited by seed protein accrual. Our objective was to examine the role ...
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Analysis of high yielding, early-planted soybean in Indiana
A trend toward early planting of soybean [Glycine max (L.) Merr.] in Indiana results in higher yield, but the limit to which a positive response to early planting occurs has not been evaluated. Our objective was to determine how early planting affects yield components and seed composition of indeterminate soybean planted in late March through early June in Indiana. Three cultivars (Pioneer brand ...
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Composition, vigor, and proteome of mature soybean seeds developed under high temperature
The effects of high temperature treatment on soybean [Glycine max (L.) Merr.] seed composition, vigor, and proteome were investigated using mature dry seeds harvested from plants grown in environment-controlled chambers. High day/night temperatures (37/30°C) from stages R5 through R8 altered ratios of individual fatty acids to total fatty acid compared to the control (27/18°C). Concentration of ...
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Plant density effect on reduced linolenic acid soybean cultivars
Demand for soybean [Glycine max (L.) Merr.] with modified oil composition has led to the development of new soybean cultivars with reduced levels of linolenic acid. The objective of this study was to determine the effect of plant density on linolenic acid of soybean bred to have reduced linolenic acid concentration (30 g kg–1, low-linolenic) and of traditional soybean cultivars (70 g kg–1, ...
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Confirmation of molecular markers and agronomic traits associated with seed phytate content in two soybean RIL populations
The concentration of phytate is an important consideration when analyzing feed grain for livestock. Simple sequence repeat markers Satt237 and Satt561 were found to be linked to quantitative trait loci (QTLs) for phytate concentration in soybean [Glycine max (L.) Merr.] seed. Previous research also established a significant correlation between seed inorganic phosphorus (Pi) and seed phytate. The ...
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Genetic diversity in a core collection established from the main bean genebank in Spain
Common bean (Phaseolus vulgaris L.) is a traditional crop in many Spanish regions. A major collection of Spanish common bean landraces is maintained at the National Genebank in the Center for Plant Genetic Resources (CRF), Alcala de Henares, Madrid, Spain. A core collection including 200 common bean accessions was established from the CRF collection. We sought to analyze the genetic diversity of ...
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Soybean seed yield and composition response to stand reduction at vegetative and reproductive stages
Soybean [Glycine max (L.) Merr.] producers across the United States are confronted with significant economic losses annually from hail. Plant injury and yield loss are associated with defoliation and node or stand loss due to bruising and breaking of plant stems from the hail. The correlation of yield loss and leaf defoliation is well defined; however, limited information exists relative to whole ...
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THP9 Can Improve Protein Content and Nitrogen Utilization Efficiency in Maize Seeds
Teosinte is a wild ancestor of maize, and its seed protein content is three times that of most modern maize lines. In a new study, researchers from the Chinese Academy of Sciences and Shanghai Normal University tracked the mechanisms responsible for the decline in seed protein content in maize hybrids and inbred strains. Their findings open new avenues for maximizing seed protein content and ...
By Lifeasible
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Soybean aphid feeding injury and soybean yield, yield components, and seed composition
Information that describes soybean aphid (Aphis glycines Matsumura) feeding injury effects on soybean [Glycine max (L.) Merr.] yield and seed composition is needed to develop better management practices for this invasive pest. This 2-yr controlled-infestation field study measured aphid populations and the effects of those populations on soybean seed yield, yield components (shoot biomass, pods ...
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Water deficit effect on the relationship between temperature during the seed fill period and soybean seed oil and protein concentrations
Since most soybean [Glycine max (L.) Merr.] seed is processed into meal and oil, there is a growing concern about environmental effects on soybean seed composition. The aim of this work was to investigate how water deficit affects the well-known relationship of soybean seed oil and protein concentrations with temperature and, alternatively, with solar radiation during seed fill. We analyzed oil ...
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Tocopherols Concentration and Stability in Early Maturing Soybean Genotypes
Soybean [Glycine max (L.) Merr.] is an important source of tocopherols which have health-beneficial properties. A study was conducted to determine tocopherols concentration and stability in early maturing soybean genotypes and to determine their relationships to other important seed characteristics. Twenty soybean genotypes were grown in replicated trials in six environments of eastern Canada, ...
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Genome Biology: Revealing the Genetic Structure of Seed Coat Content in Brassica Napus
The rapeseed team at Huazhong Agricultural University, Wuhan, China, published a research paper entitled “Multi-omics analysis dissects the genetic architecture of seed coat content in Brassica napus” in Genome Biology. This study has made important progress in the analysis of the genetic basis of skin shell rate, new gene mining, and regulatory networks for seed carbon source ...
By Lifeasible
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There’s a Multi-billion-Dollar Race to Replace Eggs - Upstart companies are looking for ways to throw off the yolk and make palatable egg protein
Egg whites are universally accepted as a healthy source of protein. But because they come from chickens, one could worry about animal welfare, the environmental damage wrought by industrial poultry and even Salmonella—since the Food and Drug Administration estimates that 79,000 Americans are sickened by tainted eggs every year. Or maybe you’re just a vegetarian. Regardless, the way ...
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A southern root-knot nematode resistance QTL linked to the T-Locus in soybean
Southern root-knot nematode [RKI; Meloidogyne incognita (Kofoid and White) Chitwood] is an important soybean [Glycine max (L.) Merr.] pest. When RKI resistance was introgressed from the highly resistant, gray pubescent breeding line G93-9009 into moderately resistant, tawny pubescent cultivars BoggsRR and BenningRR, higher than expected proportions of two advanced backcross populations had gray ...
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Rapid development of clone-specific, high performing perfusion media from established feed supplements
Perfusion bioprocesses have gained appeal from biomanufacturers due to their ability to generate high-density seed trains, produce high protein titers, and sustain high viable cell densities. Perfusion bioprocessing allows for new media to be continuously supplied to the bioreactor while used spent media is harvested. The cells remain in the bioreactor and not in the harvested media, thereby ...
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Science’s role in growing diverse, nutritious food
Can science meet the demand for more diverse and nutritious food? Jan Piotrowski investigates. The riots that swept Africa in 2007 and 2008 in response to the spiralling costs of staple crops brought the effects of food shortages into sharp focus. Images of unrest circled the globe, and the consequent instability brought to the forefront of political debate a question that had long been out of ...
By SciDev.Net
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