Matters needing attention of copper hydroxide pesticide
Copper hydroxide is slightly toxic and can be used in analytical reagents as well as pesticides. What is the effect of copper hydroxide pesticides? What are its points for attention?
I. the function of copper hydroxide pesticide
The trade names of copper hydroxide are Kesha, Coronium Copper, Fengou'an, Ruipu, Zhenbieke, and so on. the common dosage forms are 77% copper hydroxide wettable powder, 57.6% copper hydroxide dry granule, 37.5% copper hydroxide suspension, 25% copper hydroxide suspension.
The original drug is blue powder and is a protective broad-spectrum fungicide. After preparation, the solution is stable and has good diffusivity. After spraying, it has strong adhesion, is resistant to Rain Water erosion, and can release copper ions stably and slowly, which is generally not easy to cause drug damage to crops and is safe to human beings and animals. It is suitable for the main fungal and bacterial diseases of melons, fruits, vegetables and other crops.
Mainly control cucumber bacterial corner spot, cucumber vertical blight, leaf bitter disease, edge bitter disease, cucumber wilt, tomato early blight, late blight, canker, soft rot, round stripe, pepper white spot, sore eggplant, bacterial wilt, cabbage, watermelon and other bacterial diseases. Copper-sensitive crops such as peaches, plums, pears, apples, persimmons, cabbages, soybeans and wheat should be tested first and used with caution.
II. Matters needing attention of copper hydroxide pesticides
Use alone, do not mix with strong acid, strong alkaline pesticides and fertilizers, if you need to mix other pesticides, it should be diluted twice. High temperature and humidity and peach, plum, pear, apple and other copper-sensitive crops should be used cautiously, and should not be used in flowering and young fruit stage. It should be applied in the early stage of crop disease for 2-3 times in a row to give full play to the characteristics of its protective agent. It is toxic to fish and aquatic organisms, and chemicals should be avoided to pollute water sources. Wear protective equipment when applying medicine to avoid direct contact with the medicine.
The above is a brief introduction of copper hydroxide pesticides, I hope to have a certain reference value for you.
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