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Position: Home > Articles > Investigation on the Epidemic Law of Polar Black Spot Disease in Anhui Area along Yangtze River Journal of Anhui Agricultural Sciences 2008,36 (1) 234-235+270

安徽沿江地区杨树黑斑病流行规律的调查

作  者:
吴秀水
单  位:
安庆职业技术学院
关键词:
杨树;沿江地区;黑斑病;流行规律
摘  要:
2006年对安徽沿江地区杨树黑斑病流行规律进行了调查研究。结果表明,杨树黑斑病是一个多循环病害,其季节流行曲线呈多峰曲线;影响病害流行的关键因子是降雨量和湿度,当出现持续一周以上的高温无雨干旱天气,病害明显受到抑制,而当出现降雨、温度下降时,病情迅速扩展,病害加重。
译  名:
Investigation on the Epidemic Law of Polar Black Spot Disease in Anhui Area along Yangtze River
作  者:
WU Xiu-shui (Anqing Polytechnic Institute,Anqing,Anhui 246003)
关键词:
Poplar;Areas along Yangtze River;Black spot disease;Epidemic law
摘  要:
The epidemic law of polar black spot disease in Anhui area along Yangtze River was investigated and studied in 2006.The results showed that polar black spot disease was a polycyclic disease with seasonal epidemic curve showing as multi-peak curve.The key factors influencing disease prevalence were rainfall and humidity.When the drought weather with higher temperature and without rain lasted for more than a week,the disease was obviously inhibited.When the rainfall occurred and the temperature descended,the disease expanded rapidly and aggravated.

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