During the autumn season of wheat in Anhui Province, experts pointed out that the wheat planting period should be done to prevent and control pests and diseases. Improve the quality of sowing, cultivate strong seedlings, and timely carry out pesticide control so that wheat can reach high yield and super high yield cultivation.
It is understood that the province's wheat planting area this year is about 40 million mu. The main control objects of pests and diseases in wheat sowing period are sheath blight, powdery mildew, smut, total eclipse, cockroach, cockroach, golden worm, etc. One of the main control methods is to treat the seeds. Researcher Cao Chengfu, a wheat expert at the Crops Institute of the Academy of Agricultural Sciences, said that the seed dressing technology before wheat sowing can not only effectively control underground pests, wheat sheath blight, but also control the early spring wheat spiders and wheat aphids.
Specific method of dressing with pesticides: 50 kg of seeds with 50% methyl ketone ketone emulsifiable concentrate 40 g plus American star 300 ml of water 2 kg, stir evenly and then spray while mixing, and the wheat medicinal dressing can be sown after drying. Wheat seed dressing should be applied according to the prescribed dosage, and the dosage of the medicine should not be increased arbitrarily; at the same time, uniform spraying should be done to prevent phytotoxicity. Wheat expert Xia Guiping told reporters that seed dressing with American stars can not only improve the disease resistance of wheat, but also increase the emergence rate of wheat and reduce the use of chemical fertilizer. Each mu can reduce the amount of seeds by 10 kg, the amount of urea is 10 kg, and the cost is reduced by 50 yuan.
In addition, soil treatment should be done to prevent and control wheat pests and diseases. For plots where underground pests or midges are seriously endangered, 50% phoxim emulsifiable concentrate or 40% methyl phosphite emulsifiable oil 0.25 kg to 0.3 kg plus water 1 kg to 2 kg and then 25 kg of fine soil can be made into toxic soil, China Pesticide nets are recommended to spread evenly on the ground before plowing, and turn into the soil with the plow; the whole plot of wheat and sheath blight occurs in heavier plots, 50% carbendazim WP can be used 1 kg plus 15% triazole Ketone wettable powder 1 kg to water 100 kg, or 25% triazolone EC 1 kg to water 100 kg, diluted directly sprayed on the surface and then deep till the ground.
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