Prevention and treatment of soybean borer

Soybean borers, commonly known as codling moths, aphids, and red worms, occur one generation a year, and they shed winters as young larvae. Damaged soybean fields will reduce production by 10% to 20%, and severe cases will reduce production by 40% to 80%. At the same time, it will cause flaps and reduce the quality and value of soybeans. In order to better control the soybean borer, several methods are described below. 1. The prevention and treatment of adult pests is generally conducted on August 13-15, when field moths fly. Control methods: 1 per acre with 20% speed killing Ding 20-30 ml, 45-60 kg of water spray. 2 For each mu, use 80% of dichlorvos 100-150 grams of dip 40-50 blocks of corn ear pods. At 4-5 p.m., the soaked corn stalks were clamped at 2/3 of the height of the soybean plant and every 5-6 ridges were clamped. On a ridge soy plant. Every 5-6 meters away from the clip, with 40-50 per mu can be. 3 can be used Trichogramma, albicans control soybean borer. 2, larvae prevention and control time is generally August 21-22. That is, the adult larvae of S. soja adult adults emerge immediately after spawning. Control methods: 1 per acre with methyl l605 powder 2 - 2.5 kg dusting or dusting. 2 per acre with exterminator powder 2 - 2.5 kg dusting. 3 2 to 2.5 kg of powdered insecticide powder per acre, the effect is good.

Handheld Massager

Handheld Massager,Handheld Massager,Shoulder & Neck Massager,Massage Cushion

fdhdfjh , http://www.nbmassager.com