论文部分内容阅读
解放后柑桔开始外销以来,柑桔介壳虫的防治问题,引起了我们极大的注意。福州这一类害虫中,尤以黑点介壳虫为严重,影响柑桔的生长、品质及外销。石灰硫磺液和松脂合剂用为防治介壳虫,已有很久的历史,但对於黑点介壳虫的防治效果还不十分明确。目前福建许多柑桔栽培地区,已广泛使用石灰硫磺合剂防治柑桔锈壁蝨(Phyllo-coptes oleivorus Ashmead),但是否对黑点介壳虫有兼治的效果还不明确;至於松脂合
Since the liberation of citrus began to export, citrus insects citrus prevention and control problems have aroused our great attention. Fuzhou, pests in this category, especially black spot scale insects as a serious impact on citrus growth, quality and export. Lime sulfur solution and pine resin mixture used for the control of scale insects, has a long history, but for the control effect of black spot scale insects is not yet very clear. At present, many citrus cultivated areas in Fujian have been widely used lime sulfur mixture to control citrus rust tick (Phyllo-coptes oleivorus Ashmead), but whether to control the black spot scale pest control effect is not yet clear;