锈色粒肩天牛对植物的选择效应

目的]探讨锈色粒肩天牛对三门峡市不同寄主植物的选择效应。方法]采用"Y"形嗅觉仪法和风洞法研究锈色粒肩天牛对国槐、龙爪槐、栾树、垂柳、榆树、旱柳、雪松、桧柏、侧柏、刺柏、紫藤这些寄主植物的选择性。结果]国槐对锈色粒肩天牛有明显的招引,龙爪槐、栾树、紫藤可能成为其潜在的危害对象,垂柳、榆树、旱柳、雪松、桧柏、侧柏、刺柏不会成为锈色粒肩天牛的危害和寄主对象。结论]国槐的挥发物质对锈色粒肩天牛有显著的招引效应。

Selectivity of Apriona swainsoni to Host Plant Odour Sources

Objective] To explore the selection effect of Apriona swainsoni to host plants in Sanmenxia.Method] The selectivity of A.swainsoni to Sophora japonica,Sophora japonica Linn.var.japonica f.pendula Hort, Koelreuteria paniculata,Salix matsudana,Salix babylonica,Ulmus pumila,Cedrus deodara,Sabina chinensis,Platycladus orientalis,Juniperus formosana and Wisteria sinensis were investigated by "Y" olfactometer and tunnel method.Result] S.japonica attracted A.swainsoni significantly.The odour of S.matsudana,S.babylonica,U.pumila,C.deodara,S.chinensis,P.orientalis,J.formosana exclued A.swainsoni significantly.Conclusion] The violates of S.japonica could attract A.swainsoni.