种子包衣再浸种双重措施对水稻恶苗病的防治效果  

Control Effects of Dual Measures of Seed Coating and Soaking on Rice Bakanae Disease

作　　者：刘洋[1] 赵秀梅[1] 王立达[1] 李青超[1] 刘悦 兰英 韩业辉[1] 刘颖[2] LIU Yang;ZHAO Xiumei;WANG Lida;LI Qingchao;LIU Yue;LAN Ying;HAN Yehui;LIU Ying(Qiqihar Branch,Heilongjiang Academy of Agricultural Sciences,Qiqihar 161006,China;Qiqihar Agricultural Technology Extension Center,Qiqihar 161006,China)

机构地区：[1]黑龙江省农业科学院齐齐哈尔分院,黑龙江齐齐哈尔161006 [2]齐齐哈尔市农业技术推广中心,黑龙江齐齐哈尔161006

出　　处：《黑龙江农业科学》2024年第6期37-41,共5页Heilongjiang Agricultural Sciences

基　　金：黑龙江省省属科研院所科研业务费项目(CZKYF2023-1-A002);中国科学院战略性先导科技专项子课题(XDA28130504)。

摘　　要：为了缓解黑龙江省局部地区水稻恶苗病病害的加重态势,探寻种子包衣+浸种双重处理应用于水稻恶苗病防治的可行性,选用5%精甲·咯·嘧菌FS、62.5 g·L^(-1)精甲·咯菌腈FSC种子包衣,然后用氰烯菌酯浸种,进行田间小区探索试验。结果表明,5%精甲·咯·嘧菌FS、62.5 g·L^(-1)精甲·咯菌腈FSC种子包衣+25%氰烯菌酯SC浸种的双重处理对水稻出苗及生长安全,可以显著增强秧苗素质,对水稻恶苗病的平均防治效果达98.47%~100.00%,显著高于单一种子包衣或单一浸种处理。说明种子包衣再浸种双重处理是提高水稻恶苗病防效的有效措施,生产上,优先推荐5%精甲·咯·嘧菌FS 1000 mL·(100 kg)^(-1)种子包衣+25%氰烯菌酯SC 2000倍液浸种,其次推荐62.5 g·L^(-1)精甲·咯菌腈FSC 400 mL·(100 kg)^(-1)种子包衣+25%氰烯菌酯SC 2000倍液浸种,5%精甲·咯·嘧菌FS 750 mL·(100 kg)^(-1)种子包衣+25%氰烯菌酯SC 2000倍液浸种,感病品种或带菌种子建议提高施用剂量。In order to alleviate the aggravation of rice bakanae disease in some areas of Heilongjiang Province,the feasibility of seed coating+soaking double treatment applied to the prevention and control of rice bakanae disease was explored.In this study,5%Metalaxyl-M·fludioxonil·azoxystrobin FS and 62.5 g·L^(-1)Metalaxyl-M·fludioxonil FSC seeds were selected for seed coating,and then the seeds were soaked with cyanobacterium ester for field exploration experiments.The results showed that 5%Metalaxyl-M·fludioxonil·azoxystrobin FS or 62.5 g·L^(-1)Metalaxyl-M·fludioxonil FSC seed coating+25%Phenamacril SC double treatment for rice seedling emergence and growth safety can significantly enhance seedling quality,the average control effect onrice bakanae disease reached 98.47%to 100.00%,significantly higher than a single seed coating or single dip treatment,seed coating dip double treatment is an effective measure to improve the effect of rice bakanae.In production,Priority recommendation 5%Metalaxyl-M·fludioxonil·azoxystrobin FS 1000 mL·(100 kg)^(-1)seed+25%Phenamacril SC 2000 solution,Secondly recommendation 62.5 g·L^(-1)Metalaxyl-M·fludioxonil FSC 400 mL·(100 kg)^(-1)seed+25%Phenamacril SC 2000 solution,5%Metalaxyl-M·fludioxonil·azoxystrobin FS 750 mL·(100 kg)^(-1)seed+25%Phenamacril SC 2000 solution.It is recommended to increase the application dosage for susceptible varieties or infected seeds.

关 键 词：水稻恶苗病 种子包衣 浸种 防治效果 安全性 

分 类 号：S435.111.44[农业科学—农业昆虫与害虫防治]