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Position: Home > Articles > On Rice Sheath Blight Investigation and Yield Loss Estimation Journal of Northeast Agricultural Sciences 1997 (2) 32-36

水稻纹枯病病情调查与损失估计

作  者:
沈永安;夏景岐;高玉亮;孟祥伟;赵永哲
单  位:
吉林省通化市农科院;吉林省科技情报所
关键词:
水稻;纹枯病;病情指数;损失估计;株发病率;穴发病率;病斑高率
摘  要:
通过对水稻纹枯病的株发病率、病斑高率、穴发病率与病情指数间的相关分析,证明株发病率、病斑高率始终与病情指数呈高度正相关。并提出对藤系138的病害损失估计公式。
译  名:
On Rice Sheath Blight Investigation and Yield Loss Estimation
作  者:
SHEN Yong'an et al.(Agricultural Science Research Academy of Tong Hua City, Hailong 135007)
关键词:
Rice, Sheath blight, Disease index, Yield loss estimation, Ratio of infected plant, Ratio of infected hole, Ratio of highest infected spot to plant highness
摘  要:
By correlation analysis between ratio of infected plant, ratio of highest infected spot to plant highnss, ratio of infected hole and disease index of rice sheath blight, we found that ratio of infected plant, ratio of highest infected spot to plant highness were highly positive correlative to disease index, and deduced yield loss formla of Teng Xi 138 caused by rice sheath blight.

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