HU Xiaoying,ZHAO Jie.Toxicity of 4 Fungicides to Colletotrichum gloeosporioides (Penz.) Sacc.[J].Northern Horticulture,2016,40(08):112-114.[doi:10.11937/bfyy.201608031]
四种杀菌剂对胶孢状炭疽菌的毒力测定
- Title:
- Toxicity of 4 Fungicides to Colletotrichum gloeosporioides (Penz.) Sacc.
- Keywords:
- fungicides; Colletotrichum gloeosporioides; toxicity
- 文献标志码:
- A
- 摘要:
- 以胶孢状炭疽菌为试验菌，采用生长速率法，测定了75%肟菌酯?戊唑醇水分散粒剂、60%唑醚?代森联水分散粒剂、30%戊唑?多菌灵悬浮剂、80%代森锰锌可湿性粉剂等4种杀菌剂对来自梨、葡萄和无花果等3种寄主胶孢状炭疽菌的毒力。结果表明：4种杀菌剂对胶孢状炭疽菌的毒力存在差异。肟菌酯?戊唑醇、唑醚?代森联和戊唑?多菌灵等3种复配的毒力高于代森锰锌，其中戊唑?多菌灵对3种寄主胶孢状炭疽菌的毒力最高。戊唑?多菌灵和肟菌酯?戊唑醇对3种寄主胶孢状炭疽菌的EC50比较相似。唑醚?代森联对葡萄胶孢状炭疽菌的毒力较高，其次为梨胶孢状炭疽菌和无花果胶孢状炭疽菌。
- Abstract:
- Taking Colletotrichum gloeosporioides as test organism,using mycelium growth rate method，the toxicity of 4 fungicides such as 75% triflixystrobin-tebuconazole WG，60% pyraclostrobin-metiram WG，30% tebuconazole-carbendazim SC and 80% mancozeb WP were tested against Colletotrichum gloeosporioides from pear，grape and fig.The results showed that 4 fungicides had different toxicity on C.gloeosporioides.Tiflixystrobin-tebuconazole，pyraclostrobin-metiram and tebuconazole-carbendazim had the higher toxicity than mancozeb，and tebuconazole-carbendazim had the highest toxicity on C.gloeosporioides from 3 hosts.Tebuconazole-carbendazim and triflixystrobin-tebuconazole had similar EC50 on C.gloeosporioides from 3 hosts.Pyraclostrobin-metiram had higher toxicity on C.gloeosporioides from grape，and the rest were C.gloeosporioides from pear and fig in turn.
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备注/Memo
第一作者简介：胡晓颖（1979-），女，本科，农艺师，研究方向为作物栽培。E-mail：2453620763@qq.com. 责任作者：赵杰（1979-），男，硕士，高级农艺师，研究方向为园艺作物栽培与植物保护。E-mail：zhaocaoyou@163.com. 基金项目：上海市科技兴农推广资助项目（沪农推字（2015）第1-4号）。