Comprehensive Prevention and Cure Techniques of Diseases and Insect Pests in Summer Maize Seeding Period and Seedling

Comprehensive Prevention and Cure Techniques of Diseases and Insect Pests in Summer Maize Seeding Period and Seedling

As the summer maize planting season is approaching, it is of utmost importance to achieve comprehensive control of pests and weeds in the sowing and seedling stage in order to achieve complete seedlings and reduce damage to pests and weeds. The following comprehensive prevention and control technologies are proposed: 1. Sowing period measures (1) Targeted selection of high-yield, stable-production and disease-resistant varieties is recommended. In the Curvularia leaf spot development area, Saitama No. 8 and Laiyu No. 2 are selected. It is not advisable to use Suifeng 58, Luyuan Dan 14, Hudan No. 4, and Dandan 20 , Shandan 22; In the areas of corn smut and spot disease, promote the resistance of Lu Yuandan 14, Dandan 20, Hudan 4, Laiyu 2 and other varieties with strong resistance, try not to plant Dandan 19, Dandan 12, the bill 15, Xing resistance 2. (II) Selecting fungicides, insecticides, or special seed coating agents for seed dressing in pesticides can effectively control some diseases and insect pests. 1, fungicides seed dressing. Prevention and treatment of corn virus disease can be used 1.5% disease ling No. ii, the amount of 100ml, against the amount of water, can mix corn seed 50 kg. To prevent root rot, smut, and head smut, 25% triadimefon can be used for 100-150 grams of wettable powder, watered in appropriate amounts, and used for seed dressing of 50 kg. Prevention of maize size spot can be used corn seed dressing seedling agent 40 grams, can be seed dressing 5-7 kg. 2, insecticide seed dressing. 50% of phoxim, 50% of methamidophos or 50% of 1605 EC can be used to control underground pests. The dosage is 100ml, and the appropriate amount of water is mixed. Mix 100 kg of corn, mix well, and dry them to dry. 3, insecticides, fungicides mix. For mixed areas of underground pests and corn diseases, it is necessary to vigorously promote mixed seed dressing. When dressing, first mix insecticides, dry them and mix them with fungicide. 4, special coating agent coating. Jade harvest can be used, the amount is 50ml, 5-7 kilograms of seeds, both prevention and pest control. Second, the seedling control measures (a) corn weed control selection of high-quality herbicides on the road, to master the best period of medication, in strict accordance with the dosage operation. (1) Mu with 40% EtOH mixture 200ml, watered 50 kg, before the sowing of corn after sowing. (2) 50% dufu mixture (150ml) for Mu, 50kg watered, sprayed before the 4th leaf stage of corn. (II) Prevention and control of major pests and diseases at the seedling stage 1. Control of armyworm, sloughs, locusts, fleas, swat flies, various caterpillars, etc., use 25% Huifeng Cucumber 40ml or 2.5% sulfacetin EC 25-30ml, watering 50 kg spray; or mu with 50% phoxim EC and 50% methamidophos EC 1000 times spray. 2, control of corn virus disease, can be in the one-leaf period of corn, mu with 1.5% of the disease disease ii No. 800-1000 times the liquid, spray once every 7-10 days, and even spray 2 times. Immediately after the discovery of corn virus disease symptoms, use a 400-500 times solution of the diseased plague to spray evenly on both sides of the leaves, so that the liquid flows down the main stem to the roots, protecting the roots, and spraying them every other day. Twice. Note: Remove all kinds of weeds in Tanabe and the headland in a timely manner and bury them deeply to eliminate pests and diseases during the period so as to reduce the incidence of pests and diseases and reduce the incidence of plants.

DNS 192 Needles

Derma Roller,Micro Needle,Derma Roller Oem

Handsome Beauty Product Co., Limited , http://www.chinabeautyproduct.com