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花叶病是我县红苕生长过程中的一种主要病害。受害苕苗呈现淡绿和浓绿色相间的花叶症状,病株叶片皱缩。重者植株矮化,下部叶芽萌发丛生;轻者仅苕藤尖端几片叶卷缩,群众称“狗耳朵”叶。该病适温在22—24℃之间,因此在盛夏期症状不明显,容易被忽视。在红苕生产上只重视良种、早栽和安全贮藏等技术措施(不可否认这些措施都是十分重要的),但对选用无
Mosaic disease is one of the main diseases in the process of the growth of red cress in our county. Succumby seedlings showed light green and dark green and white mosaic symptoms, sick leaves folds. Heavy plant dwarf, germination of the lower buds clustered; light only a few pieces of vine vines tip curling, the masses called “dog ears” leaves. The disease suitable temperature between 22-24 ℃, so in the mid-summer symptoms are not obvious, easily overlooked. Only emphasis on the production of red tress breeding, early planting and safe storage and other technical measures (it is undeniable that these measures are very important), but the choice of no