نتایج جستجو برای: spring wheat
تعداد نتایج: 105281 فیلتر نتایج به سال:
Vernalization is one of the most important traits for the adaptability of wheat; detecting variation in genes regulating the response of wheat to vernalization is of importance for classifying winter phenotypes. Ecotilling is a high throughput reverse genetics approach for detecting single nucleotide polymorphisms (SNPs) in the genes of a natural population. To simplify methodology and decrease...
To determine the optimal ploughing depth and to make tillage simpler and less costly, but also taking account of edaphic and climatic conditions as well as biological and agrotechnical requirements of crops grown, long-term investigations (1994-2009) have been carried out on Stagnic Luvisol of sloping terrains in central Croatia near Daruvar. Th e paper presents the results relating to plant de...
A potential application of the normalized difference vegetation index (NDVI) is to monitor crop yields over large areas. The study concentrated on the spring Mheat areas of North Dakota and South Dakota for several years (1989-1992). The NOAA AVHRR data was carefully analyzed to minimize processing and sampling errors. Sums of biweekly NDVI county averages over an eight week period from heading...
Diseases can greatly lower wheat yield and grain quality. Leaf rust, Stagnospora (Septoria) glume blotch, Septoria leaf blotch, and powdery mildew have historically been the most damaging diseases on wheat in Alabama. Stripe rust has recently emerged in the Deep South as a very destructive disease of wheat. Field cropping history, cultivar selection, and weather patterns all have a tremendous i...
A concern associated with the growing of genetically modified (GM) crops is that they could adversely affect non-target organisms. We assessed the impact of several transgenic powdery mildew-resistant spring wheat lines on insect herbivores. The GM lines carried either the Pm3b gene from hexaploid wheat, which confers race-specific resistance to powdery mildew, or the less specific anti-fungal ...
Wheat (Triticum aestivum) represents about 30% of the world’s cereal area, with over 220 million ha cultivated worldwide, often under abiotic stress. Wheat growth can be impaired by heat stress (HS) at any developmental stage, and modeling scenarios predict even warmer temperatures in the future (Easterling and Apps, 2005). The worst impacts of rising temperatures will occur at low latitudes (w...
Starch and cellulose are among the best known renewable reinforcing components. Scientists are continuously looking for various renewable sources such as flax, hemp, jute, and corn hulls with polymer matrixes to form composite materials and make structural biocomposites a reality. Wheat is a major cereal grain in the US and the world. During wheat milling, a large amount of wheat bran, a by-pro...
all current dryland fallow would reduce concentrations of suspended dust particles 10 m and smaller, by up to This analysis determines profit-maximizing N fertilization levels of 95% during extreme wind events, in east-central Washhard red spring wheat (HRSW) (Triticum aestivum L.) for various wheat prices, N prices, and protein-based HRSW price premium/ ington. Annual cropping leaves more surf...
the aim of this study was investigation the energy flow and global warming potential (gwp) of corn farm in gorgan city. for this purpose, data were collected from three conventional planting methods (spring planting, summer planting in wheat residue and summer planting without wheat residue) by using a face-to-face questionnaire performed with farmers in summer 2012. after the required data in ...
The antioxidative activities of durum wheat flour and its components on linoleic acid were examined at 50 degrees C and 12% relative humidity. The progress of the oxidation was monitored by the pressure change due to the oxygen consumption during the oxidation. The antioxidative capacities were assessed by the length of the induction period for the oxidation. Durum wheat flour and its methanol ...
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