摘要
在宁夏石嘴山市开展了树干韧皮部注药防治臭椿沟眶象试验。结果表明,沟眶象地上部虫口密度从注药前的2.29头/株降低到注药后的0.62头/株,降低了72.9%,防治效果明显。
An experiment was conducted by injecting drug through phloem to Kill （Harold） in Shizuishan municipality in Ningxia. The result showed that the density of Eucryptorrhynchus brandti above ground was reduced from 2.29 heads /plant to 0.62 head/ plant, a decrease of 72.9%. The effect was siginificant.
出处
《宁夏农林科技》
2015年第9期41-42,共2页
Journal of Ningxia Agriculture and Forestry Science and Technology
关键词
臭椿沟眶象
臭椿
韧皮部
防治效果
Eucryptorrhynchus brandti
Ailanthus altissima
Phloem
Control effect
