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                您所在的位置:首页 > 大棚果树 > 甜瓜成熟时果面上出现圆形病斑、腐烂、流红水是怎么回事?

                甜瓜成熟时果面上出现圆形病斑、腐烂、流红水是怎么回事?

                2020-06-11 17:11:24  来源:互联网  次阅读

                瓜农咨询:甜瓜即将成熟,果面上出现圆形病斑、腐烂、流红水,请问这是什么病害,怎样防治?

                甜瓜成熟时果面上出现圆形病斑、腐烂、流红水是怎么回事?

                解答:病斑无霉层和菌丝,无密生小点,腐烂,通过症状分析,应是细菌性病害,流的红水应是瓜瓤腐烂流出的,应与甜瓜熟的过火有关。建议尽快摘除卖掉。并且抓紧喷施细菌性药剂,如喷施春雷王铜加噻唑锌或喹啉铜加中生菌素。结合防治细菌性腐烂病,结合防治炭疽病和蔓枯病也有必要,可以混加吡唑醚菌酯或绿妃,也可以混用健达,建功,建武,露娜森任一种,一般喷施两次为宜。

                 

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