Corn borer is the main pest that harms corn. Its larvae break into the main stem or ear of corn, which can break the main stem of corn, cause insufficient supply of nutrients for corn and pollinate badly, which leads to reduced production and quality of corn. In order to capture the bumper harvest of corn, two measures can be taken to prevent and control it. The first is the control of the heart and leaf stage, which is the best period for the first generation to control the first generation of corn borer. The main use of granules to prevent and control methods, commonly used agents are 50% of the 1605, 200 grams per acre agent, the right amount of water, mixed ash 10 kg, ash size should be uniform, after mixing the drug should not be too dry or too wet ,Spray into the heart of the leaf. Or use 3% methylisothiphos microgranules to spread, generally not more than 1 kg per acre, and should be spread in sunny and dry dew. The second is the prevention and treatment at the ear stage, and the control of biting insects in the middle and late stages of the ear filling. During this period, the borers have been drilled into the ear and can be made of 50% of dichlorvos EC 0.4 kg of water to 10 kg of water, or 50% of methamidophos EC 800 to 1000 times of liquid, using a cotton ball or brush to pharmacy Apply evenly to the tip of the ear and to the filaments, or inject the dose into the ear using a syringe with the needle removed.
Changhong Imp. & Exp. Co., Ltd. , http://www.ly-foods.com