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期 刊 ：植物保护学报 1993年

关键词：免少耕；小麦；纹枯病；发生规律；

Keywords:no and minimum tillage, wheat sharp eyespot occurrance,

摘 要 ：不同耕作法对小麦纹枯病间消长动态影响不大，免少耕田纹枯病病株率和病情指数略高于常规耕田，但年度间有波动。杂草对纹枯病影响较明显，免少耕田草害重，病害也重。肥力因素病害的影响要大于耕作法对病害的影响，偏施氮肥会加重病害发生。早播加重免少耕田纹枯病病情，适期迟播可减轻病害发生。

Abstract:No significant difference of the temporal dynamics of wheat sharpcyespot(Rhizoctona cerealis)was odserved among the different farmingmethods.The disease incidence and index in no and minimum tillagefields were slightly higher than those in ordinary tillag

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