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Because most of the rice in the province is in the stage of heading and heading, the recent rains are more and the temperature is lower. This environment is conducive to the occurrence of rice false disease. The disease is easy to cause rice to reduce yield and affect the value of rice. The rice mixed with more rice smut disease is generally inedible, so timely pesticide control is essential.
Copper high-grade 27.12% basic copper sulphate suspension high-efficiency, broad-spectrum, environmentally friendly fungicide , registered for the control of rice smut, rice blast, tomato early blight, apple tree ring disease and citrus tree canker disease.
It is used for the control of rice false smut. It is sprayed once every 5~7 days before the rice break and after the heading, and each time with a high copper 27.12% copper sulphate suspension 30 ml and 30 kg water spray. After the occurrence of rice false smut (more than 80% of the rice smut disease grains reveal light yellow small bacteria), the copper is high in 27.12% basic copper sulphate suspension 50 ml and 30-40 kg water spray per acre. The bacteria in the block are killed, causing the bacteria to shrink and fall off during the sunny days, reducing the pollution of healthy grains.
According to the pesticide network , the pesticide has the advantages of good effect, safety to crops, and good compatibility with other pesticides. Mix with water first, then mix with other pesticides. Use in the late stage of rice growth will not affect heading, and avoid the application of rice flowering stage.
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