Progress of Study on Downy Mildew in Cucumber
ZHU Jin-ying,WANG You-ping,GUO Ping-ying,GAO Feng-ju(Agriculturul Academy of Dezhou City,Dezhou,Shendong 253015,China)
Downy mildew is a major foliage disease of cucurbit crops in the world.It is a regular serious disease in the production of cucumber.In order to provide referrence for the study of the disease,germina、symptom,invading rule,resistance and prevention were introduced.
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