The archaeological record suggests that wheat was first cultivated in the regions of the Fertile Crescent around 9600 BCE. ", Cambridge-based scientists develop 'superwheat', National Institute of Agricultural Botany, "Wheat gluten functionality as a quality determinant in cereal-based food products", "New genome sequencing rekindles hope for fighting wheat blast", "Landmark study generates first genomic atlas for global wheat improvement", "Multiple wheat genomes reveal global variation in modern breeding", UK researchers release draft sequence coverage of wheat genome, "UK scientists publish draft sequence coverage of wheat genome", "Analysis of the bread wheat genome using whole-genome shotgun sequencing: Nature : Nature Publishing Group", http://www.currentscience.ac.in/Volumes/104/03/0286.pdf, "U of S crop scientists help crack the wheat genome code", "The structure and properties of gluten: An elastic protein from wheat grain", "Update on protein intake: importance of milk proteins for health status of the elderly", "Impacts of agriculture on human health and nutrition – Vol. [6] In 2017, world production of wheat was 772 million tonnes, with a forecast of 2019 production at 766 million tonnes,[7] making it the second most-produced cereal after maize. Email: erik.murchie@nottingham.ac.uk. Producing awns incurs a cost in grain number,[42] but wheat awns photosynthesise more water-use-efficiently than their leaves,[43] so awns are much more frequent in varieties of wheat grown in hot drought-prone countries than those generally seen in temperate countries. [88] Supplementation with proteins from other food sources (mainly legumes) is commonly used to compensate for this deficiency,[13] since the limitation of a single essential amino acid causes the others to break down and become excreted, which is especially important during the period of growth. Wheat is widely cultivated as a cash crop because it produces a good yield per unit area, grows well in a temperate climate even with a moderately short growing season, and yields a versatile, high-quality flour that is widely used in baking. [92], 100 g (3.5 oz) of hard red winter wheat contain about 12.6 g (0.44 oz) of protein, 1.5 g (0.053 oz) of total fat, 71 g (2.5 oz) of carbohydrate (by difference), 12.2 g (0.43 oz) of dietary fiber, and 3.2 mg (0.00011 oz) of iron (17% of the daily requirement); the same weight of hard red spring wheat contains about 15.4 g (0.54 oz) of protein, 1.9 g (0.067 oz) of total fat, 68 g (2.4 oz) of carbohydrate (by difference), 12.2 g (0.43 oz) of dietary fiber, and 3.6 mg (0.00013 oz) of iron (20% of the daily requirement). [citation needed], The oldest evidence for hexaploid wheat has been confirmed through DNA analysis of wheat seeds, dating to around 6400-6200 BCE, recovered from Çatalhöyük. [70] The implications of the research in cereal genetics and breeding includes the examination of genome variation, analysis of population genetics and evolutionary biology, and further studying epigenetic modifications. [94], The most common forms of wheat are white and red wheat. [115] In that study, farm wheat yields averaged 41.7 bushels per acre (2.2435 metric ton/hectare), and typical total wheat production value was $31,900 per farm, with total farm production value (including other crops) of $173,681 per farm, plus $17,402 in government payments. Grains of wild einkorn have been found in Paleolithic sites of the Fertile Crescent. [126], In the rapidly developing countries of Asia and Africa, westernization of diets associated with increasing prosperity is leading to growth in per capita demand for wheat at the expense of the other food staples. [69] On 29 November 2012, an essentially complete gene set of bread wheat was published. 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