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河南省小麦黑胚菌主要是交链孢菌[包括细交链孢菌（Alternariatennis）与极细交链孢菌（A．tenuissima）]和麦类根腐德氏霉菌（Drechslerasorokimiana）。检验小麦黑胚病菌以组织分离法最为准确，以清水培养法较为简捷。
The main wheat black embryos in Henan Province are Alternaria (including Alternariatennis and A. tenuissima) and Drechslerasorokimiana. The test of wheat black embryo bacteria by tissue separation method is the most accurate, with water culture method is relatively simple.