Because there was a precipitation process some time ago, most spring corn looting and early spring sowing of corn were planted in advance, so insect pests occurred ahead of time, especially for Laodelphax striatellus, thrips, two-pointed aphids, earthworms, and golden worms. The block occurred seriously and it is hoped that the majority of farmers will immediately perform pest control.
According to a survey conducted in part of townships and villages in Botou City from May 25 to May 27, the occurrence of spring sown thrips in the spring was severe. Generally, the number of single plants was about 1 or so, and the number was more than 20, and the thrips sucked the leaf juice of the corn, resulting in a small amount of white spots on the leaves. Irregular holes cause serious distorting of the heart and leaves of corn, causing the corn heart to appear mucus and rot. Laodelphax striatellus can also infect corn virus disease, resulting in shrinkage (commonly known as Liaoding) or mosaics, and virus-infected corn can not grow normally, leading to a serious reduction in corn production.
In the late spring sowing of corn, underground pests (Athalia tabaci, golden needleworms, ground tigers, etc.) are commonly found in the corn, especially in the case of two-pointed axillary moths, and if they are not treated in time, they will cause seedlings, ridges, and severely destructed species. With regard to the situation, we hope that the majority of farmers’ friends will eliminate the disease in time and lay the foundation for the harvest of autumn crops. Specific prevention methods:
First, Laodelphax and Pheasants: Available 10% of worm wormfold 1500 times + 2.5% Lambda-cyhalothrin EC 2,000 times + 20% Dodecane 800-fold copper acetate, or 52.25% Chlorhexachlor + 2.1% alkane Alkoxide copper 1000 times, or 22% hyperchloroocyanine 1500 times +10% imidacloprid 1500 times +20% domperidone copper acetate 800 times, or 20% high chloride malathion 1500 times + 20% acetamiprid solution 1500 times + 1.5% of the disease plant 600 times liquid. Note: Spray time is before 10 am or after 4 pm.
Two or two Amorphophallus, tigers, and golden needles: 50% phoxim 1000 times, or 52.25% chlorpyrifos 1500 times, or cyfluthrin 500-600 times. Note: spray time after 4 pm, it is necessary to spray corn ridge spray.
At the same time, in order to increase the resistance of pests to corn, the foliar fertilizer can be sprayed together with spraying. Note that the liquid must be sprayed into the leaves of the corn. The large amount of weeds in the corn field must also be sprayed on the weeds. After spraying corn seedlings, the herbicide treated plots were applied to the above plots for 7 days.
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