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1983—1988年在豫东民权农场果园进行。试验方法:发芽前喷一次100倍五氯酚钠;从落花后(5月上旬)每隔15天喷一次80％大富丹可湿性粉剂,直至采收前15—20天。以不喷药和前期喷波尔多液、后期喷1—2次退菌特(称大田防治)为对照。试验结果表明:①800倍、1000倍、1500倍大富丹在青香蕉品种上喷布后,病果率分别为1. 85％、1. 5％、3. 97％,不喷药为19. 5％;病情指数分别为0. 52％,0. 52％,1. 05％,不喷药为10. 25％。三
1983-1988 in the East China Civil Rights Farm orchard. Test Method: Spray 100 times of sodium pentachlorophenate before germination; spray 80% DUDAN WP once every 15 days from falling (early May) until 15-20 days before harvesting. In order not to spray and pre-spray Bordeaux mixture, the late spray 1-2 times the special sterilization (called field control) as a control. 85%, 1.5%, 3.97%, 不 喷药 为 19. 5%. Test results show that: ①800 times, 1000 times, 1500 times larger Fu Dan in green banana varieties after spraying, the disease rate were 1.85%, 1.5%, 3.97% %; The disease index were 0. 52%, 0. 52%, 1.05%, no spraying of 10. 25%. three