When it comes to pest control, many farmers' friends feel very headaches. To control pests, we should first distinguish the types of pests and then select the appropriate pesticides according to the specific conditions. How to identify the types of pests? Select pesticide products according to the type of insect mouthparts:
First, the chewing mouth is like the mouth of a vise. Such pests such as mites, bridge worms, mites, red bollworms, ground tigers, chafers, etc. often cause broken leaves, drilled stems, pupils, and lack of seedlings and ridges. Use stomach poison or contact agent, comprehensive medicines such as trichlorfon, capture, and Zhongke Meiling. This type of pesticide is sprayed on the crop so that the insect can be poisoned and killed by eating it in the stomach.
Second, the mouthpiece of a needle such as a needle. Such pests such as mites, red spiders, blind mites, spider mites, locusts, etc., often pierce the plants to absorb juice, causing the leaves to curl, red leaves, and even spread diseases. Use a systemic agent, a contact or a fumigant, such as dimethoate, and capture. Use this kind of pesticide to spray on the crop, so that the insect inhals the toxic juice of the plant, or the insect is exposed to the pesticide, or is fumigated by the poisonous gas of the pesticide, and the poison is killed.
Third, sucking mouthparts such as snails, sly mouth. A stomach poison can be used for such pests.
Fourth, sucking mouthparts such as Hummer's mouth. For such pests, general pesticides, such as trichlorfon, can be poisoned.
Tips:
At the same time, you should also know the age of the pest. In general, pests often have the habit of peeling. The larvae are 1 year old when they hatch, and they enter the 2nd age after taking off the skin. The higher the age, the greater the harm, and the stronger the resistance of the insect. It is generally effective to fight drugs before the 3rd instar. Therefore, the use of drugs to control the insects, the insecticide to the mouth, the application of insects, the gate, the effect is good.
Today, the introduction of pest control is here. To learn more about pesticides, please pay attention to China Pesticide Network.
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