Screening of Control Agent on Lily Bulb Penicillium Disease(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: YANG Yingdong1; FENG Xiuli1; WANG Weidong1; HU Xinying1; BAI Yiguang1; MING Jun2; (1.The Institute of Flowers Research，Liaoning Academy of Agricultural Sciences，Liaoning，Shenyang 110161；2.The Institute of Vegetables and Flowers Research，Chinese Academy of Agricultural Sciences，Beijing 100081)

Abstract:: Taking bulbs of oriental hybrid lily cv.‘Siberia’ as experimental materials,using single factor experiment method，the effect of the seven drugs containing 30% kresoxim methyl agent (0.67 g/L)，8.5% potassium permanganate agent (1.33 g/L)，50% prochloraz manganese powder (0.67 g/L)，25% prochloraz powder (1.00 g/L)，25% azoxystrobin ester agent (0.67 g/L)，99.9% potassium permanganate (0.33 g/L) and 25% metalaxyl?propamocarb powder (1.67 g/L) on preventing Penicillium disease in lily bulbs production.The results showed that the bulbs were soaked in 50% prochloraz manganese powder solution(0.67 g/L) for 20 minutes,the infection rate and disease index of Penicillium disease were the lowest.The effective prevention rate was 61.40%.The number of healthy roots was the most.The difference was significant compared with other treatments.The infection rate and control effect of the 25% prochloraz powder solution(1.00 g/L) were better than other treatments，but lower than 50% prochloraz manganese powder.The comprehensive control effect of other 5 drugs were unsatisfactory.The bulb treated with 50% prochloraz manganese powder solution(0.67 g/L) before cold storage could prevent bulb penicillium disease better.

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Last Update: 2016-04-27