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SCIENTIFICALLY SUBSTANTIATED PRINCIPLES OF FORMATION AND USE OF WHEAT CULTIVARS RESISTANT TO WINTER WHEAT INJURIOUS DISEASES FOR STABILISATION OF AGROECOSYSTEM PHYTOSANITARY STATE IN THE SOUTH OF RUSSIA Научно обоснованные принципы создания и использования устойчивых к вредоносным болезням сортов пшеницы для стабилизации фитосанитарного состояния агроценозов на юге России

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Author(s): Volkova G. V.

Journal: Polythematic Online Scientific Journal of Kuban State Agrarian University
ISSN 1990-4665

Issue: 91;
Start page: 1657;
Date: 2013;
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Keywords: WHEAT | DISEASE PATHOGENS | POPULATION GENETIC STRUCTURE | RESISTANCE TYPES AND SOURCES | EFFECTIVE GENES | PHYTOSANITARY STATE STABILIZATION

ABSTRACT
The results of long-term population-genetic studies in wheat pathogen system “wheat – dangerous disease pathogens” associated with the study of the structure, variability, forecast of plant pathogen development and the host plant genetic diversity are introduced. It is shown that it is necessary to develop polymorphic genetic disease resistance of plant populations to rehabilitate the agroecosystem phytosanitary state, which is possible only on the basis of broad genetic diversity of source material, taking into account the intraspecific differentiation of pathogens and tendencies of the changes
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