葡萄霜霉病是我场葡萄的主要病害之一。近年来,发生普遍,为害严重,影响产量和品质。过去,我场一直用波尔多液进行防治,虽能收到一定的效果,但因葡萄生长快,新生叶片仍不断发病,难以收到预期的效果。本试验的目的在于寻求更为有效的防治药剂。 Grape downy mildew is one of the main diseases of my field grapes. In recent years, the occurrence of widespread, serious damage, affecting yield and quality. In the past, my field has been using Bordeaux mixture for prevention and treatment, although it can receive some results, but due to the rapid growth of grapes, the new leaves still continue to disease, it is difficult to receive the desired results. The purpose of this test is to seek more effective control agents.