50%咪鲜胺锰盐可湿粉对芒果炭疽病的防治效果

在芒果花芽期后喷施4次,第3次喷药后15 d,50%咪鲜胺锰盐可湿粉1000倍、1500倍的效果较好,防治效果分别为71.9%、59.0%,显著优于50%咪鲜胺可湿粉1000倍(46.4%);第4次喷药后15 d,50%咪鲜胺锰盐可湿粉1000倍的防治效果为64.2%,显著优于50%咪鲜胺可湿粉1000倍(52.9%)。表明50%咪鲜胺锰盐可湿粉是一种可防治芒果炭疽病的安全而有效的药剂。

Control effect of 50% Prochloraz manganese WP on mango anthracnose

Fifty percent of Prochloraz manganese was sprayed four times during flowering and fruiting stages.The control effects of 50% Prochloraz manganese diluted 1000 times and 1500 times were 71.9% and 59.0%,respectively on 15th day after third spray,which were better than 50% Prochloraz diluted 1000 times(46.4%).The control effect of 50% Prochloraz manganese diluted 1000 times was 71.9% on 15th day after fourth spray,which was better than 50% Prochloraz diluted 1000 times(52.9%).The result showed that 50% Prochloraz manganese was safe for mango,it was an ideal fungicide for controlling mango fruit anthracnose.