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日本菟丝子生防菌株的喷施条件与效果
廖咏梅; 周广泉; 周志权; 蒋冬荣;
1.广西植物研究所;2.广西植物研究所 桂林 541006;3.桂林 541006
摘要:
在喷施菌制剂对日本菟丝子(Cuscuta japonica)进行生物防治时,为提高防效,孢子悬浮液喷前预浸3小时,并添加2%蔗糖,可使菌制剂孢子提早萌发,提高萌发率。即使在大气干旱的条件下,喷施后在3小时内孢子萌发率超过50%,这对菌剂孢子的侵入寄主(菟丝子)极为有利,高温高湿条件及重复多次喷洒是造成病害流行的重要因子。
关键词:  生物防治  日本菟丝子  
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