石棉干旱河谷区板栗主要害虫的发生期及物候法预测

The Occurrence Period of Chestnut's Main Pest and Its Estimating with Method of in Dry River Valley District of Shimian County

对石棉干旱河谷区板栗主要害虫的发生为害和相关物侯进行了系统观测,经分析整理,将全年板栗害虫的发生为害划分为3个时期,提出了以栗树、桃、李的物候预测主要板栗害虫发生为害期的简易方法。

The occurrence of the main pests of chestnut and several plants' phenonogies in dry river valley district of Shimian County was observed. The occurrence of chestnut's pests can be divided into three periods in a year. It shows that the simple method of estimating the occurrence periods of chestnut's pests is the estimating method with phenonogy of Castanea molli Ssima.