Traditional Culture Encyclopedia - Weather forecast - The weather is changeable and I really don't know how to prevent it.

The weather is changeable and I really don't know how to prevent it.

Bacillus thuringiensis or polyhedrosis virus insecticides, emamectin benzoate, tebufenozide or avermectin difluoride or monosultap, florfenicol or indoxacarb or Sinochem 9080 can be selected for control. Recommended formula: Bacillus thuringiensis from big companies or emamectin benzoate+Sinochem 9080+ silica gel spray for 2-3 times, with an interval of 5-7 days each time! You must add silica gel when taking medicine in rainy days.