摘要
本文在调查落叶松叶蜂(Pristiphora erichsonii(Htg))林间分布型的基础上,进行了抽样技术与方法和发生期、发生量预测预报的比较和研究,并将研究结果广泛应用在落叶松叶蜂的综合治理中,取得了良好的效果。
This paper reports on the survey of distribution patterns of the PristiPhora erichsonii (Htg), deals with the sampling methods and techniques and the predication and forecast of the occurring time and amount. What we hadobtained from the researches has been widely used in the integrate controlof Pristiphora erichsonii (Htg) and proved effective. We have consultedAmerican Dialog system through connecting our computer with it, but wehave not found any similar report.
出处
《林业科学》
EI
CAS
CSCD
北大核心
1993年第3期213-219,共7页
Scientia Silvae Sinicae
关键词
落叶松叶蜂
预测
抽样
落叶松
预报
Pristiphora erichsooti (Htg)
Sampling method
Predication method