摘要
本文从5个方面综述了我国近20年来森林病虫害预测预报研究的进展,包括主要森林昆虫种群空间分布型、主要森林昆虫生命表、主要森林病虫害测报办法、主要森林病虫防治指标、森林病虫害发生期及发生量预测预报。
This paper deals with the progress of the study on the prognosis of forest pests and diseases judging from the five—aspects: space distribution pattern and life table of the important forest pests; the methods and economic threshold of the important forest pests and diseases; the prognosis of the happening—period and happening—quantity of the important forest pests and diseases.
出处
《沈阳农业大学学报》
CAS
CSCD
1993年第4期384-387,共4页
Journal of Shenyang Agricultural University
关键词
森林病虫害
预测
forest pests and diseases
prognosis