[Objective]The aim was to screen low-toxic fungicides for efficient prevention and control of rose downy mildew.[Method]Five commonly used fungicides were selected to conduct field comparative tests before the pathogen was not infected and expanded.[Result]The results showed that the final control effects of the five tested pesticides were above 80%.[Conclusion]The control effect of 68%metalaxyl + mancozeb WG was the best,reaching 94.13%,which could be popularized and applied in the prevention and control of rose downy mildew.
维普
万方数据