葡萄害虫及其防治

• 作 者: 叶道纯
• 机 构: 山东省酿酒葡萄科研所,
• 出 处: 葡萄栽培与酿酒
• 发表日期: 1987年04期
• 关键词: 二星叶蝉 早期落叶 虫粪 新梢 花芽分化 成虫体 副梢 佳利酿 越冬场所 越冬代成虫

1.葡萄二星叶蝉葡萄二星叶蝉又名葡萄小叶蝉,二点浮尘子。系小型跳跃的叶蝉,为葡萄重要害虫。也加害桃、梨、李、樱桃等。此虫能危害整个葡萄生长期,世代多、数量大,发生严重的造成早期落叶。同时该虫还能传播葡萄病毒病。成虫、若虫吮吸叶片汁液为害,受害叶片先是点状绿、变成小白点,小白点相连而成白斑。受害重的,全叶苍白,花芽分化及果实、新梢成熟均受影响。虫粪排泄于果面,使果实污染。

1. grape two leafhopper grape two leafhopper, also known as grape leafhopper, two floating dust. A small hopping leafhopper, an important grape pest. Also harm peach, pear, plum, cherry and so on. This insect can endanger the entire grape growth period, generation more, large in number, serious consequences of early deciduous. At the same time the worm can spread grapevine disease. Adult, nymph sucking leaves juice damage, the victim leaves first punctate green, into a white spot, white spots linked to the white spot. Victims of heavy, full-leaf pale, flower bud differentiation and fruit, shoot ripe are affected. Pest excretion in the fruit surface, so that fruit pollution.