摘要
对泸水县核桃衰退及其气候、林分、病虫害进行调查和分析表明,泸水县核桃衰退是由非生物和生物因素综合引起的一种林木衰退病。诱发因子:气候变化、降雨量骤减、树龄偏大、林分结构和经营方式单一;激化因子:草履蚧、刺蛾、金龟子的为害;促进因子:豹纹木蠹蛾的为害、核桃枝枯病、腐烂病、溃疡病。
The result of the investigation and analysis of the climate, structure of stand and pests showed that walnut decline in Lushui County of Yunnan Province was a forest decline disease caused by abiotic and biotic factors. The main factors included predisposing factors： climate change, sharply reduction in rainfall, old ages of trees, simple stand structure and management. Inciting factors ： the damage of pests, Drosicha Corpulenta （ Kuwana）, Limacodidae, Scarabaeidae. Contributing factors： infection of Zeuzera leuconotum Butler, walnut twig blight, rot, canker disease.
出处
《中国森林病虫》
北大核心
2013年第3期28-30,15,共4页
Forest Pest and Disease
基金
云南省特色专业建设点西南林业大学生物技术建设项目
云南省重点学科森林保护学(XKZ200905)
怒江州科技局2012年科技发展项目资助
关键词
泸水县
核桃
衰退病
病因
Lushui County
Juglans regia
decline disease
causes
