大连地区日本黑松发生枯黄枯死原因的调查  

The Investigation on the Reasons of Pinus thunbergii Yellowed and Withered in Dalian Ragion

作　　者：杨秀卿 王桂清[2] 邓力琴 王洪魁[2] 

机构地区：[1]大连市森防检疫站,辽宁大连111600 [2]沈阳农业大学,辽宁沈阳110161

出　　处：《沈阳农业大学学报》1999年第3期260-262,共3页Journal of Shenyang Agricultural University

摘　　要：1999年春季，大连地区约有2000多公顷日本黑松林相继出现不同程度的松枝枯黄，乃至全株枯死现象，调查结果表明：这次灾害是一次气候异常引起的自然灾害，病虫害等不是造成该灾害的主要原因。About 2000hm^2 of Pinus thunbergii became withered and even died in Dalian region during the spring of 1999. The bureau of forestry in Dalian invited some relevant experts to investigate the reason. The results showed that there was the natural calamity caused by weather abnormality. Other thing such as plant diseases and insect damage are not the main reason.

关 键 词：日本黑松 气候因素 病虫害 枯黄 枯死 

分 类 号：S763.712.5[农业科学—森林保护学]