The annual production of vegetables, even planting, is conducive to the accumulation and transmission of pathogens and pests. It is expected that the overall trend of medium-to-medium incidence of vegetable diseases and insect pests in April-June will occur. 1. Cucumber downy mildew. Moderate weight occurs. The occurrence period is concentrated from early May to early June. The last year cucumber cucumber downy mildew disease rate was 100%, the diseased plant rate was 30.2%-100%, and the diseased leaf rate was 3.4%-16.7%. 2. Gray mold. Moderate weight occurs. The main damage tomato, pepper, oil wheat, cabbage, eggplant and so on. The current rate of gray mold disease is 100%, the diseased plant rate is 25%, and the diseased leaf rate is 4.3%. 3. Tomato early blight. Moderately. The peak period occurred in April. The current disease rate is 30%-40%, and the diseased leaf rate is 5.3%-6.7%. 4. Tomato leaf mold. Occurs moderately, with moderate occurrences of certain imported foreign varieties. The diseased plant rate in the previous year was 18.25%-60%, and the diseased leaf rate was 16%-25.3%. 5. Tomato yellow leaf curl virus disease. Occurs moderately, partially moderately. Autumn and winter last year, the occurrence of heavy tomato disease occurred, the sick field rate was 60%, the diseased plant rate was 50.5%, the highest 100%. 6. B. tabaci. Moderate weight occurs. The main hazards are cucumbers, tomatoes, eggplants, and zucchini. The total amount of adult clover was 10.8-82.5 heads, 11.7-20.1 heads, 0.36-278.4 heads, and 27.3-218.7 heads last autumn. 7. Liriomyza sativae. The main hazards are zucchini, tomatoes, cucumbers, eggplants, leafy vegetables and so on. In the fall of last year, the percentage of courgettes was 100%, the leaf rate was 34.3%, the number of single leafworms was 2.3, the eggplant strain rate was 18.8%-22%, the leaf leaf rate was 4.2%-6.3%, and the single leafworm amount was 0.08-0.09. The cucumber strain rate was 30%-100%, the insect leaf rate was 4.4%-38.4%, and the single leaf insect amount was 1-3.7 heads. 8. Spodoptera exigua, Plutella xylostella. Moderately. As temperature rises, it is expected to occur one after another from mid-April, mainly affecting cabbage and cauliflower. Last year, the rate of Spodoptera exigua was 10%, the rate of insect leaves was 6.6%, and the number of single-leaf insects was 0.007; the rate of the diamondback moth was 30%, the rate of insect leaves was 3%, and the number of single-leaf insects was 0.13. Baby Monitor,Indoor Home Baby Monitor,Camera Baby Monitor,Wireless Video Baby Monitor Shenzhen Zuomi Technology Co., Ltd. , https://www.leftriceptz.com