Study on the Control Effects of Metalaxyl·mancozeb 58% FS on Cucumber Downy Mildew
Ligong Ma
Abstract
Ligong Ma
Abstract
The control effect of metalaxyl·mancozeb 58% FS on Cucumber Downy Mildew was studied.The results showed that the control effect reached 82.0%~90.4% when metalaxyl·mancozeb 58% FS sprayed at 131.2~206.4 g/667m2,and it had no poison to cucumber.That three applications of 168.8~206.4g/667m2 diluent liquid were done at the proper control period of disease had a good control effect for Cucumber Downy Mildew.
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The control effect of metalaxyl·mancozeb 58% FS on Cucumber Downy Mildew was studied.The results showed that the control effect reached 82.0%~90.4% when metalaxyl·mancozeb 58% FS sprayed at 131.2~206.4 g/667m2,and it had no poison to cucumber.That three applications of 168.8~206.4g/667m2 diluent liquid were done at the proper control period of disease had a good control effect for Cucumber Downy Mildew.
Key concepts: Downy mildew, Metalaxyl, Mancozeb, Fungicide, Pseudoperonospora cubensis, Horticulture, Agronomy, Biology