论文部分内容阅读
近年来,在日本由于葡萄栽培面积明显增加,同时相继发生葡萄的“萎缩症”、“无味果”及“着色不良果”等异常症状,已成为葡萄栽培上的很大障害。过去葡萄栽培工作者,虽然已知这些异常症状,但因发生分散,生产上尚未造成损失,只看作是砧术和接穗不亲和或品种特性所致的栽培管理问题。进入70年代,包括上述异常症状等发病原因不明的病害,从病毒病观点来看,有作进一步调查的必要性。结果表明,在国外,葡萄栽培上为害最大的扇叶病毒、卷叶病毒、栓皮病毒、耳突病毒
In recent years, due to the obvious increase of viticulture area in Japan and the simultaneous occurrence of abnormal symptoms such as “atrophy”, “tasteless fruit” and “coloring bad fruit” of grapes, grapevine cultivation has become very large Barrier. In the past, viticulture workers, although aware of these abnormal symptoms, had not yet suffered any losses because of dispersion and were only considered as cultivation and management problems caused by anvil and scion incompatibility or variety traits. Into the 70’s, including the above-mentioned abnormal symptoms and other diseases of unknown etiology, from the virus point of view, there is a need for further investigation. The results showed that in foreign countries, viticulture on the most harmful leaf-piece virus, leaf-roll virus, cork virus,