Organic food production is a major direction for the development of modern agriculture. In organic peanut cultivation, the control of white grubs is a key focus in peanut pest and disease management. In recent years, our city has adopted multiple methods in organic peanut cultivation and achieved notable results, ensuring the quality of organic peanut products...บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
I. Agricultural control measures:บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
1. Crop rotation. Implement a two-year, three-crop rotation of peanut--wheat, corn (soybean) to reduce the pest and disease base.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
2. Winter irrigation: Carry out winter irrigation after the autumn crop harvest; the greater the water volume, the higher the mortality rate of white grubs.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
3. Fertilization: Since white grubs can live in humus, homemade organic fertilizer must be fully decomposed.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
4. Late sowing: In organic peanut production bases, the sowing period should be appropriately delayed (sowing may be carried out around May 1), so that more white grubs mature and move downward to pupate, thereby reducing damage.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
5. Manual collection: During peanut harvest and early spring deep plowing, organize manual collection of white grubs to reduce insect density and lessen damage in the following year.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
II. Chemical control:บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
Before peanut sowing, in combination with seed dressing and fertilization, use 180 g of compound Beauveria bassiana per mu to control white grubs. The specific method of use is: 60 g for seed dressing, and 120 g mixed evenly with organic fertilizer during rotary tillage and spread into the field, resulting in excellent control efficacy.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
III. Physical control measures:บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
1. Hang electronic insect-killing lamps: From early June to early September each year, hang variable-frequency electronic insect-killing lamps (40 mu/lamp), and turn on the lamps every evening to trap and kill adult insects.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
2. Unified prevention and control isolation belts: In organic cultivation, poplar trees and other trees are generally planted as isolation belts. After the wheat harvest, according to the habit of adult white grubs (scarab beetles) feeding at night on tall trees such as elm, poplar, and willow, uniformly spray the above tall trees once with 40% omethoate emulsifiable concentrate at 1000 times dilution, or at a height of 1 meter on the trunks of elm and poplar trees, scrape off the old bark and use a hemp brush dipped in omethoate at 8-10 times dilution to smear it on. Because omethoate has systemic, stomach-poison, and contact-killing effects, and has a relatively long residual efficacy period, the control effect is good.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/
3. Plant castor: Plant castor around the field to trap and kill adult scarab beetles, causing them to be anesthetized and then killed in a centralized manner.บทความมาจากFOFCC-http://fofcc.org.cn/th/11311/