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Books > Professional & Technical > Biochemical engineering > Biotechnology
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Wheat (Hardcover, 1990 ed.)
Loot Price: R8,701
Discovery Miles 87 010
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Wheat (Hardcover, 1990 ed.)
Series: Biotechnology in Agriculture and Forestry, 13
Expected to ship within 10 - 15 working days
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Wheat, which is the second most important cereal crop in the world,
is being grown in a wide range of climates over an area of about
228 945 thou sand ha with a production of about 535 842 MT in the
world. Bread wheat (Triticum aestivum L. ) accounts for 80% of the
wheat consumption, howe ver, it is attacked by a large number of
pests and pathogens; rusts and smuts cause enormous damage to the
crop and reduce the yield drastically in some areas. The major
breeding objectives for wheat include grain yield, earliness,
resistance to lodging and diseases, spikelet fertility, cold
tolerance, leaf duration and net assimilation rate, fertilizer
utilization, coleoptile length, nutritional value, organoleptic
qualities, and the improvement of charac ters such as color and
milling yield. The breeding of wheat by traditional methods has
been practiced for centuries, however, it has only now come to a
stage where these methods are insufficient to make any further
breakthrough or to cope with the world's demand. Although numerous
varieties are released every year around the world, they do not
last long, and long-term objectives cannot be realized unless more
genetic variability is generated. Moreover, the intro duction of
exotic genetic stocks and their cultivation over large areas
results in the depletion and loss of the native germplasm pool."
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