摘要
通过对黔北梨园主要病虫害的调查研究,分析近些年来该地区梨树病虫种群的发生动态和演变原因,提出加强农业措施,积极开展物理、生物防治,合理使用化学防治的对策。
Development tendency and evolution factors of pest species in recent years were analyzed through investigation and study on main pests at pear orchard in the northern Guizhou.The article proposed the countermeasures of strengthening agricultural management,developing physical,biological and chemistry control.
出处
《中国园艺文摘》
2011年第11期164-165,159,共3页
Chinese Horticulture Abstracts
关键词
梨树
病虫害
发生动态
防治对策
pear trees
pests
occurrence
prevention countermeasures
