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调查结果:延边大学农学院软枣猕猴桃园遭受截形叶螨[Tetranychus truncatus(Ehara)]的严重危害,被害株率达100%,被害叶率达80%以上。截形叶螨于6月中下旬迁移至软枣猕猴桃,7月初种群数量明显上升,7月中旬至8月初是为害的高峰期。而高温、干旱的气候条件有利于截形叶螨的发生和为害。在截形叶螨的天敌中,塔六点蓟马为优势种。该螨可用吡虫啉、阿维菌素、菜喜、阿维菌素、苦参碱等无公害的生物农药进行防治,其防效可达84%以上。
Survey results: Yanbian University College of jujube kiwifruit garden suffered Tetranychus truncatus (Tetraena truncatus (Ehara)] of the serious damage, the victim strain rate of 100%, the victim leaf rate of 80% or more. Tetranychus urticae migrated to jujube kiwifruit in mid-to-late June, the population in early July increased significantly, and the peak was damaging from mid-July to early August. The high temperature and arid climatic conditions are conducive to the occurrence and damage Tetranychus truncatus. Among the natural enemies of Tetranychus urticae, the six-point thrips were the dominant species. The mite imidacloprid, abamectin, Cai Xi, abamectin, matrine and other pollution-free biological pesticides for prevention and treatment, the control effect of up to 84%.