Toxicity of 4 Fungicides to Colletotrichum gloeosporioides (Penz.) Sacc.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Toxicity of 4 Fungicides to Colletotrichum gloeosporioides (Penz.) Sacc.

Author(s):: HU Xiaoying; ZHAO Jie; (Shanghai Pudong New District Agro-technology Extension Center，Shanghai 201201)

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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Last Update: 2016-06-30