| 大连地区日本黑松发生枯黄枯死原因的调查 |
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| 引用本文： | 杨秀卿 王桂清. 大连地区日本黑松发生枯黄枯死原因的调查[J]. 沈阳农业大学学报, 1999, 30(3): 260-262 |
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| 作者姓名： | 杨秀卿 王桂清 |
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| 作者单位： | 大连市森防检疫站!辽宁大连，111600，沈阳农业大学!辽宁沈阳，110161，沈阳农业大学!辽宁沈阳，110161，沈阳农业大学!辽宁沈阳，110161 |
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| 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。
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| 关 键 词： | 日本黑松 气候因素 病虫害 |
The Investigation on the Reasons of Pinus thunbergii Yellowed and Withered in Dalian Ragion |
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| YANG Xiu-qing,et al.. The Investigation on the Reasons of Pinus thunbergii Yellowed and Withered in Dalian Ragion[J]. Journal of Shenyang Aricultural University, 1999, 30(3): 260-262 |
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| Authors: | YANG Xiu-qing et al. |
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| Abstract: | 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. |
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| Keywords: | Pinus thunbergii weather factor plant diseases and insect damage |
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