6%精甲霜灵·咯菌腈·嘧菌酯FSC不同施药方法对水稻恶苗病的防效  

The Efficiency of Metalaxyl-M·Fludioxonil·Azoxystrobin 6%FSC Control Rice Bakanae Disease through Different Treatment Methods

作　　者：王巍巍[1] 王义生[1] 李莉[1] 栾丽[1] 刘煜财[1] WANG Wei-wei;WANG Yi-sheng;LI Li;LUAN Li;LIU Yu-cai(Jilin Academy of Agricultural Sciences/Key Laboratory of Integrated Pest Management on Crops in Northeast,Ministry of Agriculture,Gongzhuling 136100,Jilin,China)

机构地区：[1]吉林省农业科学院农业部东北作物有害生物综合治理重点实验室,吉林公主岭136100

出　　处：《农药》2020年第10期763-765,共3页Agrochemicals

基　　金：国家重点研发计划(2017YFD0300606,2018YFD0300204)。

摘　　要：[目的]研究6%精甲霜灵·咯菌腈·嘧菌酯悬浮种衣剂不同包衣处理对水稻恶苗病的防效。[方法]在水稻浸种前至播种的过程中,在不同时段进行种子处理,以水稻旱育秧大棚试验为基础展开论证。[结果]6%精甲霜灵·咯菌腈·嘧菌酯FSC对水稻恶苗病有较好防效。同等剂量下,以拌种包衣后直接播种防效最高,达到97.7%,其次是浸种前包衣,浸种后直接播种,再次是包衣、浸种、催芽再进行播种的模式,防效为94.9%和93.9%,以催芽后使用药剂包衣,防效最低,为86.8%。[结论]6%精甲霜灵·咯菌腈·嘧菌酯FSC可用于水稻恶苗病的防治,根据品种不同抗性水平采取相应的处理措施。[Aims]This paper aims to study the efficacy of seed coating formulations of metalaxyl-m·fludioxonil·azoxystrobin(MFA)6%FSC for control of rice bakanae disease.[Methods]Seed treatments were conducted during the period from seed soaking to sowing by using the raising method of dry seeding in the greenhouses.[Results]The results showed that MFA could control rice bakanae disease effectively.The efficacy of seed coating treating before sowing could reached 97.7%at the same dose,the best efficacy for controlling rice bakanae disease.The second efficacy was the treatment coated before soaking(efficacy,94.9%).The third one was the treatment sowed directly after treatment with coating-soaking-pregermination-sowing process(efficacy,93.9%).The treatment of accelerating germination before seed coating got the lowest efficacy(86.8%).[Conclusions]MFA can control rice bakanae disease effectively.The application of coating method is suggested to consider the varieties with different resistant levels.

关 键 词：6%精甲霜灵·咯菌腈·嘧菌酯FSC 水稻恶苗病 种子包衣 防治方法 

分 类 号：S482.2[农业科学—农药学]