MA Xue-li,ZHAO Jing-lan,GENG Zhong-yi,et al.Sensitivity of Fusarium graminearum to 21 Fungicides[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(07):30-34.[doi:10.11942/j.issn1002-2767.2017.07.0030]
禾谷镰孢菌对21种杀菌剂的敏感性测定
- Title:
- Sensitivity of Fusarium graminearum to 21 Fungicides
- 文章编号:
- 1002-2767(2017)07-0030-05
- Keywords:
- wheat scab; Fusarium graminearum; indoor bioactivity; toxicity
- 分类号:
- S482.2
- 文献标志码:
- A
- 摘要:
- 为明确小麦赤霉病菌对多菌灵抗性及对多种作用机制杀菌剂的敏感性,采用菌丝生长速率法测定了山东8个禾谷镰孢菌菌株对多菌灵的敏感性及21种杀菌剂对禾谷镰孢菌的毒力。结果表明:8个菌株对多菌灵尚未产生明显抗药性;戊唑醇、苯醚甲环唑、己唑醇、氟环唑、咪鲜胺锰盐、噻菌灵、多菌灵、吡唑醚菌酯、水杨菌胺、氰烯菌酯对禾谷镰孢菌有极高的室内生物活性,其EC50及EC90分别为0.031~0.855 mg?L-1、1.409~117.405 mg?L-1;福美双、代森锰锌、代森联、三唑酮、甲基硫菌灵对禾谷镰孢菌有很高的室内生物活性,其EC50及EC90分别为5.232~13.063 mg?L-1、144.006~791.072 mg?L-1;异菌脲、井冈霉素对禾谷镰孢菌有一定的室内生物活性,其EC50分别为44.9和146.8 mg?L-1;噁霉灵、醚菌酯、噻呋酰胺、吡噻菌胺对禾谷镰孢菌的室内生物活性极差,不宜用于对小麦赤霉病的防治。
- Abstract:
- In order to find out Fusarium graminearum’s resistance to carbendazim and sensitivity to other fungicides,hyphal growth rate method was adopted to examine the eight strains of Fusarium graminearum?strains respond to carbendazim and the toxicity of 21 kinds of fungicides influence Fusarium graminearum.The results showed that eight strains no develop a significant resistance to carbendazim.tebuconazole,difenoconazole,hexaconazole,epoxiconazole,prochloraz manganese salt,thiabendazole,carbendazim,pyraclostrobin,trichlamide,phenamacril with the EC50 of 0.031~0.855 mg?L-1 andEC90 of 1.409~117.405 mg?L-1 had a remarkably high indoor bioactivity to Fusarium graminearum,while thiram,dithane,metiram,triadimefon,thiophanate-methyl with the EC50 of 5.232~13.063 mg?L-1 and theEC90 of 144.006~791.072 mg?L-1 have a very high indoor bioactivity to Fusarium graminearum.Iprodione,validamycinwith the EC50 of 44.878 mg?L-1 and 146.8 mg?L-1 have some indoor bioactivity to Fusarium graminearum,while hymexazol,kresoxim-methyl,thifluzamide,penthiopyrad had a negative indoor bioactivity to Fusarium graminearum,they shouldn’t be used for the prevention and control of wheat scab.
参考文献/References:
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备注/Memo
收稿日期:2017-05-07