This Year, Cotton Aphids Will Be Biased Towards &Nbsp In Dezhou.
Recently, the Meteorological Bureau of Dezhou city of Shandong Province issued the prediction and control measures of cotton aphids, which reminded farmers that the Aphis gossypii will be biased in the near future in Dezhou.
Since May, the precipitation in Dezhou city of Shandong province is much less than that of the whole year. The temperature is slightly higher than that of the year. Meteorological conditions are suitable for the growth and reproduction of cotton aphid.
According to the survey, the aphids in wheat fields are more seriously damaged this spring, which brings a lot of insect pests to cotton.
It is estimated that in mid June, the average temperature of Dezhou is about 25 degrees Celsius, which is close to perennial, and the precipitation is 10~20 mm.
Meteorological personnel recommended the following two preventive measures: first, chemical control: 10% mu of imidacloprid wettable powder 15 kg to 30 kg or 3% acetamiprid 2000 times, 4.5% beta cypermethrin 1000 times liquid spray per mu.
The two is agricultural measures: we can remove insect strains by combining thinning and setting seedlings, and destroy them outside the fields.
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