摘要
[目的]探索黄脊竹蝗综合防控技术,以期在南京地区示范与推广。[方法]运用林间观察和人工饲养的方法对黄脊竹蝗的生物学特性进行了研究;在相同的化学防治方法下对比未樵园与樵园竹林中跳蝻期的防治效果;在相同的防治方法下对比未垦复与垦复、施肥过的竹林上竹跳蝻和成虫期的防治效果;对比伐老竹、营造混交竹林、樵园养鸡养羊前后黄脊竹蝗的为害情况。[结果]竹蝗3龄前是防治的最佳时机,在跳蝻孵化前樵园,结合化学防治,可有效降低竹蝗的种群密度;竹蝗3龄后以垦复、施肥为辅助,通过跳蝻有下竹息凉、喝水习性,于06:00—09:00防治可有效降低竹蝗的种群密度;伐老竹、营造混交竹林、樵园养鸡养羊等综合措施均能有效降低竹蝗的种群密度。[结论]综合运用樵园、垦复、施肥、伐老竹、营造混交竹林、樵园养鸡养羊等措施可以有效控制黄脊竹蝗的为害。
Abstract
Objective] To explore the integrated control technology of Ceracris kiangsu for demonstration and extension in Nanjing.[Method] The biological characteristics of Ceracris kiangsu were studied by using forest observation and artificial breeding;under the same chemical control method, the prevention effect on nymphs that in not uprooted and uprooted weeds bushes in bamboo forest were compared, as well as no reclama-tion and reclamation, the harm condition that before and after cutting down the old bamboo, creating mixed bamboo forest, raising chicken and sheep.[Result] The results showed that the best time to prevent and control nymphs was before the 3th instar, uprooted weeds bushes before the nymphs hatched in combination with chemical control could effectively reduce the population density of Ceracris kiangsu;after the 3th instar, pre-vention and control with fertilization as auxiliary from six to nine o 'clock in the morning could effectively reduce its population density.Cutting down the old bamboo, creating mixed bamboo forest, raising chicken and sheep and so on comprehensive measures could effectively reduce its population density.[ Conclusion] Integrated use of uprooting weeds bushes, fertilization, cutting down the old bamboo, creating mixed bamboo forest, raising chicken and sheep and so on could effectively control the harm of Ceracris kiangsu.
基金项目
江苏省林业三新工程项目([lysx201325])