Effect of Difenoconazole-Prochloraz 75% WP against Agaricodochium camelliae

Five sample plots were established in Pinus massoniana stand interplanted wih Camellia chekiangoleosa in Tonglu Forest Farm, Zhejiang province. On June 26th 2023, experiments were conducted on spraying 1.0 g/L, 1.5 g/L, and 2.0 g/L Difenoconazole-prochloraz 75% WP on C. chekiangoleosa with pyraclostrobin 25% SC and water as control against Agaricodochium camelliae. Investigations were implemented on situation of disease 10 days and 20 days later. The results showed that spraying Difenoconazole-prochloraz 75% WP had effect of 66.33%, 84.62%, and 90.81% 10 days later, and 61.44%, 80.28%, and 86.83% 20 days later. There was no significant difference between the control effect of Difenoconazole-prochloraz 75% WP and pyraclostrobin 25% SC. The experiment concluded that Difenoconazole-prochloraz 75% WP could be used as fungicide against A. camellia with dosage of 1.5-2.0 g/L.