6种种衣剂防治芝麻枯萎病效果初步研究  

Preliminary study on the effects of six kinds of seed coating agents on sesame wilt caused by Fusarium oxysporum

作　　者：赵新贝 倪云霞[1] 刘新涛[1] 赵辉[1] 何碧珀 闫文庆 申桐 王婧[1] 刘红彦[1] ZHAO Xinbei;NI Yunxia;LIU Xintao;ZHAO Hui;HE Bipo;YAN Wenqing;SHEN Tong;WANG Jing;LIU Hongyan(Institute of Plant Protection,Henan Academy of Agricultural Sciences,Key Laboratory of Integrated Pest Management on Crops in Southern Region of North China,Ministry of Agriculture and Rural Affairs,Henan Key Laboratory of Crop Pest Control,Zhengzhou 450003,China)

机构地区：[1]河南省农业科学院植物保护研究所,农业农村部华北南部作物有害生物综合治理重点实验室,河南省农作物病虫害防治重点实验室,郑州450003

出　　处：《植物保护》2024年第4期362-367,共6页Plant Protection

基　　金：河南省农业科学院优秀青年科技基金(2022YQ04);河南省博士后经费;财政部和农业农村部:国家现代农业产业技术体系(CARS-14);河南省重点研发专项(221111520400)。

摘　　要：种衣剂处理是防治由土壤、种子带菌引起的作物苗期枯萎病的有效手段。本研究分别采用培养皿培养和盆栽试验评估6种种衣剂防治芝麻枯萎病的效果。结果表明:使用培养皿培养法筛选芝麻种衣剂可行,与盆栽试验相比,培养皿方法简单快速。盆栽试验结果表明,6种种衣剂中防治效果最好的为15%多·福FSC,其次为30 g/L苯醚甲环唑FSC和25%噻虫·咯·霜灵FSC。15%多·福FSC的防治效果在播种后15 d达97%,播种后45 d仍在50%以上。15%多·福FSC、30 g/L苯醚甲环唑FSC和25%噻虫·咯·霜灵FSC包衣的最佳用量分别为11.11、7.50 mL/kg和30 mL/kg。本研究为芝麻种衣剂的初筛提供了简单快速的方法,并筛选出3种防效良好的种衣剂。Seed coating is an effective means to control the seedling wilt of crops caused by soil and seed carrying pathogenic fungus.In this study,the effects of six kinds of seed-coating agents on the prevention and treatment of sesame Fusarium wilt were evaluated by petri dish culture and pot experiment.The results showed that compared with pot experiment,petri dish culture method was feasible,simple and rapid for screening sesame seed-coating agent.In the pot experiment,carbendazim·thiram 15%FSC showed the good control effects,followed by difenoconazole 30 g/L FSC and thiamethoxam·fludioxonil·metalaxyl-M 25%FSC.The control efficacy of carbendazim·thiram 15%FSC reached 97%15 days after sowing and maintained above 50%45 days after sowing.The optimal concentrations of carbendazim·thiram 15%FSC,difenoconazole 30 g/L FSC and thiamethoxam·fludioxonil·metalaxyl-M 25%FSC were 11.11,7.50 mL/kg and 30 mL/kg,respectively.This study provided a simple and rapid method for preliminary screening seed coating agents for sesame,and three kinds of seed coating agents with good control effect were screened out.

关 键 词：芝麻 枯萎病 种衣剂 皿内培养法 

分 类 号：S435.653[农业科学—农业昆虫与害虫防治]