Betapropionate: Cucumber Disease Integrated Prevention and Innovation Product

Pyrolizol is a methoxy acrylate bactericide independently developed by Shenyang Research Institute of Chemical Industry. It has a broad-spectrum bactericidal activity, can effectively control cucumber downy mildew, wheat powdery mildew, rape sclerotinia, grape white rot, Apple ring spore pathogens, apple Alternaria alternata, etc. also have good antibacterial activity and are highly effective and low-toxic bactericides. The 20% suspension of pyraclostrobin produced by Shenyang Kechuang Chemicals Co., Ltd. and 95% of the original drug were registered in our country's pesticides, and the preparations were registered for the control of cucumber downy mildew. The pure drug dosage per acre was 3.3-6.7 g.

It is understood that pyraclostrobin has good bactericidal activity in vitro and has been applied for Chinese patents and world patents. The pot experiment conducted by Wang Li et al. of the Chinese Academy of Agricultural Sciences showed that the inhibitory rate of pyraclostrobin against Botrytis cinerea, Scyllosporium, Pseudoperonospora, Anthracnose and Brown Spot Bacteria was 88.53 at a concentration of 250 mg/L. %, 100%, 83.31%, 86.41%, 94.55%, which is comparable to the control agent azoxystrobin, with no significant difference. Field trials showed that the effect of pyraclostrobin on cucumber downy mildew was 82.78% at a concentration of 80 mg/l, which was superior to the control azoxystrobin and metalaxyl, and it was safe for cucumber plants.

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