Tyunin V.A.
ECOLOGICAL SUBSTANTIATION OF REQUIREMENTS TO BREEDS OF SOFT SPRING WHEAT FOR SOUTHERN URAL ^{[№ 5 ' 2005]}
It is shown, that despite of the general dryness of climate, moistening of wheat in the Chelyabinsk region can be superfluous. Repeatability of overmoistening makes 19-62 % of years, and its nocuity - 12-65 % depending on zones, agricultural technicians, breedes. The phenomenon of superfluous overmoistening is caused by insufficirnt stability of breedes to illnesses and which increase alongside with drought resistance determines the basic requirements to grades and tasks of selection.