苏北杨树主要虫害与气象条件的相关分析

ANALYSIS OF WEATHER CONDITIONS ON THE APPEARING OF THE INSECT DAMAGE TO THE POPLARS IN THE NORTHERN PART OF JIANGSU

通过对1986～2001年苏北杨树主要虫害调查资料和1996～2001年在宿迁5县（区）试验资料的研究，分析了温度、湿度、降水、日照等气象要素对杨扇舟蛾、杨小舟蛾、杨二尾蛾、桑天牛、草履蚧、溃疡病等杨树主要病虫害的不同发育阶段的影响和两者之间的相关关系；探讨了温湿度综合指数K对杨舟蛾类害虫羽化开始期的指示意义；建立了草履蚧危害损失的气象要素估算方法。为杨树虫害的预报和防治提供有益帮助。

By doing research on the materials of the Populus main insect damage between 1986 and 2001 and the experimental materials in the 5 counties/districts between 1996 and 2001 in Suqian,we analyse the effect of temperature,damp,rain and sunshine on clostera anachoretas, micromelalopha troglodyta graesers,apocheima cinerarius,apriona gernara hopes, drosicha corpulentas, botry osphas and so on during their different stages of development and seek to find out their relative regularity,probe into warm humidity composite index K which is relevant to the beginning of pest eclosion,set up the method of weather key element estimate for the loss induced by Drosicha corpulentas; so that we can supply a great help for the prediction and prevention of the Populus Insect Damage.