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葡萄栽培中,炭疽病、白腐病、霜霉病,是葡萄三大病害,影响着葡萄的产量和品质。虫害种类虽不少,但很少造成严重为害,一般比较容易防治,应以病害防治为主。在葡萄病害防治中应以预防为主,包括:农业技术防治,如清除病果、病叶,剪除病枝病穗;选育抗病品种。化学防治也是以预防为主,在病害大发生前喷洒预防农药,加强预防。一、选用优良品种充分利用现代生物技术培育无毒苗木和抗
Viticulture, anthracnose, white rot, downy mildew, is the three major diseases of grapes, affecting the yield and quality of grapes. Although a lot of pest species, but rarely cause serious damage, generally easier to control, should be the main disease control. Prevention of grape diseases should be based on prevention, including: prevention and treatment of agricultural technology, such as removal of diseased fruit, diseased leaves, cut off the branches sick disease spike; selection of resistant varieties. Chemical control is also based on prevention, spraying prevention of pesticides before the occurrence of diseases, and strengthen prevention. First, the selection of good varieties Make full use of modern biotechnology to cultivate non-toxic seedlings and anti-