Allelopathic effect of root exudates on pathogenic fungi of root rot in continuous cropping soybean was studied by sand culture, water culture, and indoor culture experiments.

采用砂培、水培和室内培养等试验方法研究了连作大豆根分泌物对根腐病病原菌的化感作用。

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Mixed cropping could not only weaken negative effects of allelochemical at high concentration, but also decrease the allelopathic effect on shoot compared to the sole treatment.

与单作相比混播能够弱化高浓度化感物质的负效应，同时可以减小化感物质对芽干重的化感作用。

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