AFFECTION OF WINTER RYE WITH DRECHSLERA SOROKINIANA ACTIVATORS (SACC) SHOEM IN THE TAIGA ZONE OF WESTERN SIBERIA UNDER THE CONDITIONS OF EPIPHYTOTY

Abstract

In Siberia ordinary root decay of plants is widespread and harmful. Illness epiphytoty in the taiga zone of Western Siberia is observed 1 – 2 times in 10 years. In 2013 it was provoked by the arrest of plants development and late onsets of the main phenological phases. Illness development actively accrued from the phase of "blossoming" to completion of plants’ life cycle. Extent of their affection made 53,1…75,2 %.

Keywords

• winter rye
• diseases
• epiphytoty
• drechslera sorokiniana (sacc) shoem.
• stability
• susceptibility