disease epidemic 第1页

Resistance evaluation of peanut varieties to peanut scab and the epidemic dynamics in Liaoning Province OCCURENCE OF LILY WILT AND ITS CONTROL Correlation among grape downy mildew epidemic rate, airborne sporangium density of Plasmopara viticola and environmental factors in Shenyang Advance in researches on rice black-streaked dwarf disease and maize rough dwarf disease in China