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通过1993~1994年试验结果表明,水稻纹枯病对寒地水稻产量损失严重,平均单株产量损失率与平均病斑高率、病情指数呈极显著正相关,与病斑长度呈显著正相关。
The results from 1993 to 1994 showed that rice sheath blight had a serious loss of yield in cold paddy rice, the average yield per plant was positively correlated with the mean lesion height and disease index, and was positively correlated with the lesion length .