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Why leek easy to eat pesticide residues
"There are so many varieties of vegetables. Why are there unique pesticide residues in leek alone?" To the public's concern about leek pesticide residues, Qiao Chuanling, head of the Resistance Molecular Genetics Research Group, Institute of Zoology, Chinese Academy of Sciences, explained: It is not only the leek that has pesticide residues. We have always believed that it is seriously affected by its growth characteristics. It is mainly related to the pests and diseases of leek.†Mr. Qiao Chuanling said, hey, is the common name for the late-spotted mosquito, leek. It is the main pest of leeks. The larvae concentrate mainly on the bulbs and tender stems of the leek. After leeks were injured, the leaves on the ground were thin, yellow, wilting, broken leaves, and rot or died in pieces. “Because the earthworms are buried in the soil, a large amount of highly toxic pesticides must be sprayed. It is more common practice to use toxic organophosphorus pesticides for irrigation, such as parathion and methyl parathion,†said Qiao Chuanling. The operation, a large number of organophosphorus pesticides will be absorbed by the root of chives, and the organophosphorus pesticides entering the interior of chives through the roots are not easily cleaned. Qiao Chuanling told reporters that there are 23 kinds of pesticides that have been banned in China, including parathion, monocrotophos, methamidophos, and herbicidal ether; 19 pesticides are restricted to vegetables, fruit trees, and tea. . For many consumers are concerned about the problem is not the more the more neat and clean leek, the more toxic pesticides soaked out? Li Wanmin, Cooperative Social Minister of Shandong Shouguang Leek, said that the growth of leeks requires the use of various organic fertilizers and trace elements such as nitrogen, phosphorus, and potassium. The use of organophosphorus pesticides does have a certain effect on the growth of leeks and the growth of leeks is significant after use. Prosperous, thick, green and beautiful. "It should be said that large and neat chives may be given organic phosphorus pesticides, there may be a certain amount of pesticide residues, but it can not be said that all the bigger, the more clean and tidy chives are soaked with toxic pesticides." Li Wanmin said. At the same time, he also stated that because there are more flies in the summer, the amount of drugs used is relatively large. Qiao Chuanhuan suggested that if people eat vegetables, fruits and other agricultural products with more pesticide residues for a long time, they are harmful to the body. Long-term low-dose organophosphorus pesticides can cause chronic poisoning and may cause carcinogenic, teratogenic and other hazards to the human body. Poisoning can cause muscle cramps, pupil contraction, difficulty breathing, and even death. If you have already bought leeks, you can't judge if there is a certain amount of pesticide residues on the leeks. The best way is to use fruits and vegetables, fruits and vegetables and special shishishi to clean, both of which are capable of degrading organic phosphorus. Non-toxic, non-toxic fruits and vegetables cleaning agents such as pesticide residues. In addition, Qiao Chuanling also taught the reporter a small method: "Because pesticides are more easily decomposed and volatilized in alkaline environments, soaking with alkaline water can be used. First, rinse vegetable surface with water and then soak in alkaline water. (The ratio is approximately 500 ml of water, add 5 to 10 grams of alkaline surface), stay for 5 to 15 minutes, and then rinse again with water.†Of course, if you think that you have eaten poisonous leek, and there is a certain degree of discomfort, Qiao Chuanling suggested If you can induce vomiting, induce vomiting as soon as possible and go to the hospital as soon as possible after vomiting. In addition, Qiao Chuanling also said that the growth characteristics of onions, garlic and chives are similar, but also prone to pesticide residues, but the amount of onion and garlic is small. Therefore, it has not attracted much attention. "The onion and garlic are left for a long time, and the residual pesticide components will naturally volatilize a lot," she said.
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Why leek easy to eat pesticide residues