摘要
对2008年4月丹东地区柞树霜冻害的发生、症状进行了调查,分析了柞树霜冻害发生原因,提出了预防措施,以期对辽东柞蚕生产有所帮助。
The happening,the symptom,and reasons of frost damage of oaks in Dandong in April 2008 were investigated and analyzed in this paper.The protective measures of oaks frost damage were proposed which will be helpful to develop the tussah production in Eastern Liaoning Province.
出处
《北方蚕业》
2009年第3期27-30,共4页
North Sericulture
关键词
柞树
霜冻害
调查
预防措施
Oak
Frost damage
Investigation
Protective measure
