Which pesticides can control corn borer?
Which pesticides can control corn borer? Please introduce corn borer in detail, you can refer to the following methods to control corn borer: in the trumpet mouth of corn, the dosage is 1 kg / mu. The prevention and control methods of drug irrigation at the ear stage of corn are as follows: 25% insecticidal double water agent 500 times. 50% dichlorvos EC 800 times, 90% trichlorfon crystals 800-1000 times. 50% phoxim EC 800-1000 times, 50% methamidophos EC 2000-2500 times. 50% parathion EC 1000 times liquid, etc. According to the dosage of 10ml/ plant, these solutions were infused into the male ear of maize at the male stage. Medicine liquid point filament: pour 50% dichlorvos emulsion 800 times liquid into the small bottle, the bottle mouth cork with a thin plastic tube cork. When the corn pollination is almost over and the larvae are still concentrated on the filaments, drop a few drops on the filament base at the top of the female ear, and the liquid will infiltrate into the filament and kill the harmful larvae at the top of the female ear. Click to get more Pesticide Application techniques click to get more Pesticide Application techniques Click to get more Maize planting techniques
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How to control aphids of flowers in spring and summer?
How to control aphids of flowers in spring and summer? Please introduce the methods many aphids like to endanger the young leaves, shoots, stems, buds, buds and Corolla of rose, chrysanthemum and mulberry every year in spring and summer. It uses piercing and sucking mouthparts to absorb a large amount of juice from plant tissue, resulting in nutrient deficiency of flowers.
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With what medicine do rice borer larvae fight?
With what medicine do rice borer larvae fight? Please introduce that rice borer larvae can be controlled with 5% fipronil suspension 30 to 40 milliliters and 20% triazophos EC up to 2116 per mu. When using chemical control, the field should keep a water layer 3 to 5 cm deep and let it dry naturally. Click for more disinfestation.
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