7种杀菌剂对水稻立枯病的防治效果

目的]筛选防治水稻立枯病的有效药剂,从而为防治水稻立枯病提供技术支撑.方法]将参试的7种杀菌剂在盆栽接种致病菌的条件下,对由镰刀菌和立枯丝核菌引起的水稻立枯病分别进行了防治试验.结果]参试的7种杀菌剂对南镰刀菌和立枯丝核菌引起的水稻立枯病均具有明确的防治效果,10%苯醚甲环唑WG、10%苯醚甲环唑WG+50%福美双WP、40%福·甲WP、50%多菌灵WP四个处理防效表现较其他处理好,高于80%.各药剂处理对水稻秧苗均有显著的壮秧作用,表现为根系增多、干质量增加.结论]10%苯醚甲环唑WG、10%苯醚甲环唑WG+50%福美双WP、40%福·甲WP、50%多菌灵WP等4个药剂宜于在水稻立枯病田间防治中进行应用推广.

Control Efficiency of 7 Fungicides to Rice Seedling Blight

The effective fungicides were selected to offer technical support for controlling rice seedling blight.Methods]The control efficiency of 7 fungicides to rice seedling blight were separately tested in pots experiments ofrice.Results]7 Fungicides display obvious control effects on rice seedling blight caused by Fusarium oxysporumand Rhizoctonia solani.Among these fungicides difenoconazole 10%WG,difenoconazole 10%WG+thiram 50%WP,thiram-metalaxyl 40%WP,carbendazim 50%WP have higher control effects than others...