Brief analysis of the use of pesticides and fungicides in watermelon
Watermelon commonly used pesticide fungicides, creamer (Pulke) use technology analysis:
1. Characteristics of use: Mildew is a new type of high-efficiency, systemic fungicide, which can inhibit the formation of cell membranes, reduce the formation of sporangia and the number of zoospores, thereby achieving the purpose of controlling diseases and preventing frost on vegetables and fruit trees. Mildew, disease, and squatting have excellent effects, and are suitable for foliar spray and soil treatment, and have the effect of promoting crop growth after applying propamocarb. Low toxicity to higher animals.
2. Formulation 72% hydrochloride soluble water, 72.2% water soluble liquid.
3. Control objects and techniques 1 Prevention and treatment of cockroaches and blight of melon seedlings can be sprayed with a spray of 0.55 kg per square meter of sprayed liquid, and sprayed 1~ at the whole seedling stage. 2 times. 2 prevention and treatment of melon downy mildew and epidemic disease in the initial onset, using frosty mildew 600 ~ 1 000 times liquid, every 7 to 10 days, spraying 750 ~ 1 125 kg per hectare, a total of 3 to 4 times, It can basically inhibit the occurrence and development of pests and diseases, and has obvious promotion effect on the growth of plants in the application area. Pesticide price
4. Precautions 1 When dispensing the medicine, stir it evenly after adding water according to the recommended dosage. If it is used for spraying, make sure the amount of liquid is kept and keep the soil moist. 2 can be mixed with non-alkaline fungicides to expand the sterilization spectrum. 3 The agent should be sealed in the original packaging container and stored in a dry, ventilated and cool place.
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