粘虫胶和性诱捕器对枣园害虫的测防效果

在4年生枣园设置粘虫胶和性诱捕器，研究粘虫胶在不同品种上对枣瘿蚊、绿盲蝽，及性诱捕器对桃小食心虫的测防效果。结果发现：4月上旬至5月下旬粘虫胶害虫数量树体阴面明显多于阳面，多为枣瘿蚊和绿盲蝽；5月下旬后害虫数量在阴阳面上相差不大，多为绿盲蝽。鲁枣1号粘虫胶害虫数量最少。1个与2个诱芯诱捕器对桃小食心虫的防治效果相仿，不同高度诱捕器测报的桃小食心虫发生规律相似，但是诱捕器悬挂高度明显影响诱捕器的诱集量。

Prediction and Control Effect on Jujube Garden Pests by Adhesive-Trap and Sex-Trapping Utensil

Adhesive traps and sex trapping utensils were used in the 4 year jujube orchards to study the prediction and prevention effect on Contarinia sp., and Lygus lucorum with different jujube cultivars by adhesive traps and on Gropholitha molesta by the sex trapping utensils. The result showed that the number of Contarinia sp. and Lygus lucorum trapped by adhesive traps on the shady side of the jujube trees from early April to late May was obviously more than that of caught on the sunny side of the trees. The pest caught after late May was mostly Lygus lucorum and there was not much difference in the pest number trapped on either side of the jujube trees. The number of pests caught per square of the adhesive trap from the cultivar ‘Luzao No1’ was least. The control effect of sex trapping utensil with one or two lures on Gropholitha molesta was almost the same. The occurrence rules of Gropholitha molesta predicted by sex trapping utensils hung at different heights on the trees was similar, but the number of Gropholitha molesta caught by sex trapping utensils hung at different heights on the trees was quite different.