This month is the highest temperature in a year . In this month, pests are the main cause, and the disease is relatively light.

First, pests:

1. The second generation of big cockroaches, corn cockroaches, peach mites and other pests are in the egg yolk period in late July. Therefore, in the next ten years, we will do one to two prevention and control work on grass crops such as sugar cane, ginger, alfalfa and corn. Harvest of peaches should not take preventive measures to prevent damage DICHOCROCIS peaches.

2. Migratory pests such as Spodoptera litura, Spodoptera exigua, and Tobacco budworm increased and became more serious this month. Crops such as legumes, Solanaceae, and asparagus were the focus of prevention and control, and leafy crops combined with the control of cabbage caterpillars. Prevention and treatment.

3. Thrips and locusts are still the main pests of the month. In particular, the thrips are large and heavy on asparagus. Also pay attention to soy aphids planted this month and last month to avoid the occurrence of viral diseases.

4. Cabbage, Plutella xylostella, and Flea are still the main pests of leafy vegetables. Strengthen investigations and prevent and control.

5. Red spiders are prone to outbreaks on Solanaceae crops. We should pay attention to it and do good prevention.

Second, the disease:

1. At the beginning of the month, with the end of the plum rain, high temperature and high humidity are prone to melon powdery mildew, and attention should be paid to the prevention and treatment of the open field and vegetable pumpkin.

2. Due to the influence of plum rain, leafy vegetables will have downy mildew, leaf mold and other diseases at the beginning of the month.