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不同杀菌剂对蚕豆赤斑病防治效果试验
作者: 顾和平  陈 新  陈华涛  崔晓燕  袁星星  张红梅  
单位: (江苏省农业科学院蔬菜研究所  南京 210014)  
关键词: 蚕豆  赤斑病  杀菌剂  防治效果  
分类号:S435.23
出版年,卷(期):页码:2012 ,43 ( 3 ): 页码:329-331
摘要:

【Objective】The present experiment was conducted to investigate the effects of different fungicides in controlling faba bean chocolate spot disease (Botritis fabae) to screen suitable fungicides applying in production. 【Method】Different fungicides were used during the early stage of faba bean podding stage, i.e., from April to June, 2011. The incidence rate and disease index were investigated at 30th day after treatment. The grains per pod and pods per plant were surveyed before maturity and 100-grain weight and yield of faba bean were recorded at harvest stage. 【Result】The incidence rate, disease index and agronomic traits of faba bean differed under different fungicide treatments. The lowest incidence rate was observed in treatment with 50% carbendazim WP (1000 times diluted), followed by treatments 80% Dasheng M-45 WP (600 times diluted), Zaijun (800 times diluted) and Baithai (800 times diluted). The lowest disease index was recorded in Zaijun (800 times diluted) treatment, followed by treatment 80% Dasheng M-45 WP (600 times diluted), Baithai (800 times diluted), 50% carbendazim WP (1000 times diluted) and 25% Sportak (1000 times diluted). Different fungicides did not significantly influence pods per plant. However, the pods per plant were the highest in Zaijun (800 times diluted) treatment, followed by treatment 80% Dasheng M-45 WP (600 times diluted), 50% carbendazim WP (1000 times diluted), 25% Sportak (1000 times diluted) and Baithai (800 times diluted). The 100-grain weight was found the highest in treatment with 80% Dasheng M-45 WP (600 times diluted), followed by treatment Zaijun (800 times diluted), 25% sportak (1000 times diluted), Baithai (800 times diluted) and 50% carbendazim WP (1000 times diluted). The highest yield was recorded in 80% Dasheng M-45 WP (600 times diluted) treatment, followed by Zaijun (800 times diluted), 25% Sportak (1000 times diluted), 50% carbendazim WP (1000 times diluted) and Baithai (800 times diluted) treatments. 【Conclusion】Zaijun, 80% M-45 WP, Baitai, 50% carbendazim WP and 25% sportak were the best fungicides in controlling faba bean chocolate spot.

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