Maize seedling disease technology control
The major pests and diseases of corn seedlings are thrips, aphids, and armyworm. If they are not controlled in time, they will have a great impact on corn production. 1. Thrips are the main pests of corn seedlings, and adults and larvae are more harmful to the young parts of corn, and the damage at heart leaves is more serious. After the damage of corn, the leaves of the light were distorted and broken. In severe cases, the top of the corn seedlings was partially forked, and later it was impossible to make headings. Thrips generally start staring at 1-2 leaves after corn emerges. As the hummer is very small, only the size of the needle, the masses are not easy to find, when the 3-4 leaves or 4-5 leaves, when the harm symptoms are obvious, they are eager to prevent and control, and it is often too late. Hummer damage is generally concentrated in the middle and late of June and early July, adult larvae in the fields are mostly mixed and overlapping, so the prevention and treatment of hummer should be started early. Control methods: control of thrips, armyworm, aphids can be used 2.5% lambda-cyhalothrin 50 ml per acre plus 25% imidacloprid 10 g or 2.5% cyfluthrin 50 ml plus 40% chlorpyrifos 30 ml 30 kg of water spray; Suction Breast Pump,Abs Breast Pump,Phthalate Free Breast Pump,Memory Function Breast Pump NINGBO YOUHE MOTHER&BABY PRODUCTS CO.,LTD , https://www.oembreastpump.com