[1]王培先,李正男,张磊,等.辣椒种质抗炭疽病水平鉴定及炭疽病菌药剂敏感性分析[J].北方园艺,2022,(21):1-8.[doi:doi：10.11937/bfyy.20221299]
　WANG Peixian,LI Zhengnan,ZHANG Lei,et al.Resistance Identification of Pepper Germplasm Resources Against Pepper Anthracnose and Drug Sensitivity Analysis in Colletotrichum scovillei[J].Northern Horticulture,2022,(21):1-8.[doi:doi：10.11937/bfyy.20221299]

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辣椒种质抗炭疽病水平鉴定及炭疽病菌药剂敏感性分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2022年21 页码: 1-8 栏目: 出版日期: 2022-11-15

Title:: Resistance Identification of Pepper Germplasm Resources Against Pepper Anthracnose and Drug Sensitivity Analysis in Colletotrichum scovillei

作者:: 王培先1; 李正男1; 张磊1; 付崇毅2; 王永2; 孙平平1; （1.内蒙古农业大学园艺与植物保护学院，内蒙古呼和浩特 010018；2.内蒙古农牧业科学院蔬菜花卉研究所，内蒙古呼和浩特 010031）

Author(s):: WANG Peixian1; LI Zhengnan1; ZHANG Lei1; FU Chongyi2; WANG Yong2; SUN Pingping1; (1.College of Horticulture and Plant Protection,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010018；2.Vegetable and Flower Institute,Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot,Inner Mongolia 010031)

关键词:: 辣椒种质资源; 炭疽病; 抗性鉴定; 药剂敏感性

Keywords:: pepper germplasm resources; anthracnose; resistance identification; drug sensitivity test

DOI:: doi：10.11937/bfyy.20221299

文献标志码:: A

摘要:: 以辣椒为试材，采用针刺接种法研究31份种质资源对炭疽病菌的抗性情况，并采用菌丝生长速率法研究了辣椒炭疽病菌对市售19种药物的敏感性，以期为内蒙地区辣椒的抗性育种和炭疽病发生时施用药物提供参考依据。结果表明：供试的31份辣椒种质资源中无高抗品种，“C79-1-1”“C167”“北星9号”为中抗，占供试材料的9.68%，“C169-1-1” “北星5号”“C289”“C168-1-1”“C197”“C252”“C188”为中感；其它21份全部为高感。不同药剂对辣椒炭疽病菌菌丝生长存在明显的抑制效果，效果最好的药剂为吡唑醚菌酯，其EC50值分别为5.966 7×10-15 mg·L-1，苯醚甲环唑、咪鲜胺和戊唑醇对病原菌也表现出较好的抑制效果，其EC50值为1.583 3×10-8、1.400 1×10-7、2.838 7×10-7 mg·L-1；敌磺钠的抑制效果最差，EC50值为2 578.448 3 mg·L-1，氯溴异氰尿酸和甲霜·恶霉灵的EC50值为978.523 9 mg·L-1和76.794 8 mg·L-1，对辣椒炭疽病菌的抑制效果也较差。

Abstract:: Taking pepper as test material,the resistance of 31 germplasm resources to anthracnose was studied by needle inoculation method,and the sensitivity of Colletotrichum scovillei to 19 drugs was studied by mycelial growth rate method,in order to provide reference for pepper resistance breeding and the application of drugs during the occurrence of anthracnose in Inner Mongolia.The results showed that among 31 germplasm resources,no high resistance variety was found,‘C79-1-1’‘C167’‘Beixing No.9’ showed the moderate resistance to pepper anthracnose,accounting for 9.68%.Seven varieties namely ‘C169-1-1’‘Beixing No.5’‘C289’ ‘C168-1-1’ ‘C197’ ‘C252’ ‘C188’ were moderate susceptible,the other 21 varieties were all high susceptible to anthracnose disease.Among 19 fungicides detected,pyraclostrobin showed the highest control effect on C.scovillei,with EC50 value as 5.966 7×10-15 mg·L-1,difenoconazole,prochloraz and tebuconazole also showed high control effect on C.scovillei,with EC50 values as 1.583 3×10-8 mg·L-1,1.400 1×10-7 mg·L-1,2.838 7×10-7 mg·L-1.Fenaminosulf had the lowest inhibitory effect,with EC50 value as 2 578.448 2 mg· L-1,the EC50 value of chloroisobromine cyanuric acid and metalaxyl·hymexazol were 978.523 9 mg·L-1 and 76.794 8 mg·L-1,which also showed very low inhibitory effect on anthracnose.

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备注/Memo

第一作者简介：王培先（1998-），男，硕士研究生，研究方向为园艺作物病害病原生物学及综合防控。E-mail:2550405097@qq.com．责任作者：孙平平（1985-），女，博士，讲师，现主要从事园艺作物病害病原生物学及综合防控等研究工作。E-mail:sunpingping@imau.edu.cn．基金项目：内蒙古自治区高等学校科学技术研究资助项目（NJZY21458）；内蒙古自治区科技重大专项资助项目（2021SZD0040）；内蒙古自治区科技计划资助项目(2020GG0137)；内蒙古农业大学高层次人才科研启动金资助项目（NDYB2018-14）。收稿日期：2022-04-02

更新日期/Last Update: 2023-01-16