Control Effects of Different Batericides to Cucumber Downy Mildew
XI Dun-qin
Abstract
XI Dun-qin
Abstract
[Objective] The study aimed to screen the best batericides for controlling cucumber downy mildew.[Method] The effects of field control of four different batericides for controlling cucumber downy mildew was comparative studied.[Result] The pharmaceutical experiment on cucumber downy mildew proved that 60.00% kresoxim-methyl pyrazole· metiram WG 1 500 times diluted could control 95.31% downy mildew,and 68.75% Fluopicolide·propamocarb hydrochloride SC could control 93.34%,but 58.00% Mancozeb Metalaxyl WP 500 times diluted could only control 47.24%.[Conclusion] It was suggested that 60.00% kresoxim-methyl pyrazole ·metiramWG and 68.75% Fluopicolide·propamocarb hydrochloride SC should be used to control cucumber downy mildew in practice.
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[Objective] The study aimed to screen the best batericides for controlling cucumber downy mildew.[Method] The effects of field control of four different batericides for controlling cucumber downy mildew was comparative studied.[Result] The pharmaceutical experiment on cucumber downy mildew proved that 60.00% kresoxim-methyl pyrazole· metiram WG 1 500 times diluted could control 95.31% downy mildew,and 68.75% Fluopicolide·propamocarb hydrochloride SC could control 93.34%,but 58.00% Mancozeb Metalaxyl WP 500 times diluted could only control 47.24%.[Conclusion] It was suggested that 60.00% kresoxim-methyl pyrazole ·metiramWG and 68.75% Fluopicolide·propamocarb hydrochloride SC should be used to control cucumber downy mildew in practice.
Key concepts: Downy mildew, Fungicide, Pseudoperonospora cubensis, Metalaxyl, Agronomy, Horticulture, Biology