Different vegetable varieties, due to different pest and disease occurrence rules, their prevention and control methods are also different, the degree of contamination is relatively light and heavy. Some vegetables and fruits that are easy to be worms and worms are more difficult to control are often species with more severe pesticide pollution. According to the comprehensive analysis of the detection results of pesticides in various vegetable markets, there are cabbages (pakchoi, greens, chicken feathers), leeks, cucumbers, cabbage, cauliflower, kidney beans, mustard greens, garland chrysanthemums, red peony, etc., which are heavily polluted by pesticides. The largest proportion of pollution. Because the cabbage insects are resistant to insecticides, it is difficult for common insecticides to kill pests. In order to kill insects as soon as possible, farmers will choose highly toxic pesticides. Insect pests of leek often grow in the vegetable body and it is difficult for the insecticide to spray on the surface. Therefore, many farmers use highly toxic pesticides to irrigate the roots, and the internal drug-taking characteristics of leek make the poison spread throughout the whole plant body. After the high-toxic pesticides irrigated root leeks, often grow lush, leaf hypertrophy, dark green color. Experts remind that solanaceous vegetables such as green peppers and tomatoes, large melons such as wax gourd and pumpkin, tender clams such as beans, bulbs such as onions, garlic, and onions, and tuber vegetables such as potatoes, Contamination of pesticides such as yam is relatively small. China Agricultural Network Editor
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