PREVALENCE OF RAPE VARIETIES BY THE MOST SPREAD DISEASES IN THE WESTERN SIBERIA
Abstract
The publication demonstrates research results received in 2008–2014 on studying rape varieties field resistance in the forest steppe of the Western Siberia. Periods of observation differed in weather conditions and defined different disease manifestation. The authors come to conclusion that downy mildew and Altelnaria blight are mostly occurred in agrocenoses of spring rape. Phytoimmunology estimation of spring rape on the background of natural infections demonstrates that varieties of Siberian selection differ in field resistance to the diseases. Sib NIIK-21 variety is the most resistant to downy mildew and Alternaria blight; disease progress is 2.6 times and 1.8 times lower in comparison with the standard SibNIIK-198 variety. The paper demonstrates Yubileyniy variety and ANIIZIS-4 variety are mostly resistant to Alternaria blight. These varieties can be applied in further selection as resistance sources. The publication shows SIBNIIK-198 variety is least resistant to downy mildew and Alternaria blight; disease progress index reached 65.6 % and 30 % correspondently.
About the Authors
L. F. Ashmarina
Сибирский научно-исследовательский институт кормов
Russian Federation
Russian Federation
N. M. Konyaeva
Сибирский научно-исследовательский институт кормов
Russian Federation
Russian Federation
A. S. Korobeynikov
Сибирский научно-исследовательский институт кормов
Russian Federation
Russian Federation
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Review
For citations:
Ashmarina L.F., Konyaeva N.M., Korobeynikov A.S. PREVALENCE OF RAPE VARIETIES BY THE MOST SPREAD DISEASES IN THE WESTERN SIBERIA. Bulletin of NSAU (Novosibirsk State Agrarian University). 2015;(1):28-34. (In Russ.)
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