2013•Modern Agricultural Science and TechnologyRequires access
Research on Control Efficacy of Four Fungicides to Potato Late Blight
Mingxia Tang
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Abstract
Control efficacy of four fungicides on potato late blight was determined in field experiment.The results showed that four fungicides were effective for potato late blight control and yield prevention.The best fungicide was 687.5 g/L of fluopicolide 800 times liquid and 25% of mandipropamid1 700 times liquid.Yield was increased by 130% compared with the water control.The second control efficacy of fungicides was 52.5%famoxate 1 000times liquid and 53% ridomil gold 500 times liquid.