Underground pests, as the name implies, are grown underground, in the soil, and endangered the underground part of the crop for a long time. Some even crouched out at night, and ran out at night to feed on the stems and young leaves. Serious damage to crops, resulting in lower economic efficiency. Therefore, underground pests are very harmful and must be prevented in time.
The underground pests of crops mainly include alfalfa, golden worms, tigers, crickets, etc., in addition to root mites, root mites, root mites, pseudo-aphis, medlar, root mites, root-leaf, root-like nails, and termites.
Under normal circumstances, different crops have different types of underground pests, some are single, and some are several underground pests. Let's take a look at which crops are harmed by these pests and how to prevent them.è¼è›„ 以 以 以 以 è¼è›„ è¼è›„ 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 以 ç§å ç§å ç§å ç§åWhen fertilizing with fully decomposed organic fertilizer, it can reduce the mites eggs, mix 50 jin of soil with 50% phoxim granules per acre, mix well and sprinkle it in the soil field to prevent cockroaches. You can also kill 1800 fluids with 5% enemy to kill adults.
The golden worm, which is a larva of the mites, is commonly found in the genus Aphid, A. striata, and A. striata. It mainly feeds on the roots and bases of crops, and bites seeds, germs or seedlings such as wheat, corn and sorghum, causing rotten roots, bad roots, and lack of seedlings. The golden worm can also be drilled into the roots and stems for feeding, which can also cause damage to tree seedlings. In the rice area, rice rotation can be used, and in the flooded state, the golden worm can be effectively prevented. In the non-rice area, after harvesting, you can use deep ploughing and sun exposure for a while in the sun. It is also possible to use chlordane powder, 48% diazepam, 5% methyl chlorpyrifos granules, etc. for toxic soil treatment.
The ground tiger is the most harmful underground pest, which is caused by larvae, and the adult mites become moths. It is a typical crouching underground pest, biting the base of corn stalks, soy sprouts, and various vegetables. Causes lack of seedlings, and even destroys when severe. Adult tigers can be trapped with lure lamps, or they can kill adults with sweet and sour venom. In agriculture, there is also a method of planting the weeds (chives, etc.) that the tigers love to eat, and attracting the tigers in the past to concentrate on killing to reduce the damage to the main crops.
It is a larva of the chafer, which has three types of herbivorous, fecal, and rot, and herbivorous mites are the most harmful to crops. It is basically eaten by cockroaches. It is very harmful to garlic roots, peanut pods, vegetable seedlings, seeds just planted, etc., and it is easy to induce other diseases when bitten by eating moths, which seriously affects the yield. The implementation of water and drought rotation, deep fallow fallow in autumn and winter, the use of 50% parathion, 20% iso-phosphorus mixed with poisonous soil, black light traps adult insects and other methods to prevent significant effects.
There is also the possibility of seed dressing before planting. Jinkaifeng seed dressing can be used for wheat, corn, peanut, garlic, soybean, etc. Jinkaifeng seed dressing contains 22.6% thiamethoxam, which can effectively prevent and avoid underground pests such as underground golden worms and cockroaches.
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