An assessment of types of winter wheat according to affection by root rot in specific agroclimatic conditions as element of scientific and reasonable strategy of their use
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It is established that in the conditions of three main agro climatic zones of Stavropol region the complex of root rot activators is presented generally by fungi of the sorts Fusarium and Bipolaris, and since 2009 and Gibellina cerealis Pass. The affection by root rot and injuriousness of a disease vary depending on high-quality features of winter wheat and cultivation soil climatic conditions. The amount of produced lignin for each percent of the disease in plants varieties of winter wheat, the degree of development of the disease does not exceed the minimum value of economic threshold of injuriousness, ranges from 29 to 54 mg/g of dry weight, plant varieties, the intensity of the disease for which reaches and exceeds economic threshold, synthesize not more than 27 mg/g.
Winter wheat, varieties, root rot, complexes of activators, number of synthesized lignin, injuriousness
Короткий адрес: https://sciup.org/147124064
IDR: 147124064
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