论文部分内容阅读
枣疯病是枣树的一种毁灭性病害,枣树得此病后,花退化畸变,花柄延长,花蕾变小,花萼花瓣变成小叶,枝叶细小,丛生,叶片皱缩不伸展,最后导致成株成片死亡。在枣树管理中,可采取下列方法进行防治。 喷药 叶蝉是传播此病的主要害虫,可于6~9月份喷50%的杀螟松乳油1000倍液,或50%
Jujube bark is a devastating disease jujube, jujube disease, the degeneration of flowers, flower stalk extension, smaller buds, calyx petals into leaflets, branches and leaves small, clusters, folds do not stretch, and finally Lead to adult plant died. Jujube management, can take the following methods to control. Spraying leafhopper is the main pest spread of the disease can be sprayed 50% of fenitrothion EC 1000 times liquid from 6 to September, or 50%