论文部分内容阅读
葡萄根瘤蚜属于同翅目,瘤蚜科。葡萄园一旦发生,危害严重,所以已被列为国内外主要检疫对象。1危害症状被害状葡萄根瘤蚜对美洲品种为害严重,即能为害根部又能为害叶片,对欧亚品种和欧美杂种,主要为害根部。根部受害,
Grape phylloxera belongs to Homoptera, Aphididae. Vineyard in the event of serious harm, it has been listed as the main quarantine objects at home and abroad. 1 Harmful symptoms Harmful grape phylloxera phytocassive aphid serious damage to the Americas, that can damage the root can damage the leaves, the Eurasian species and European and American hybrids, the main root damage. Root damage,