Control measures for soybean heartworm

Soybean, also known as the red worm, is one of the important pests that harm soybeans. The flowering period to the pod-forming period is the best time to control soybeans. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Agricultural control: use soybean varieties with less pods and early maturity. In the autumn, the land was ploughed in time to reduce the source of overwintering insects. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Biological control: 199% mineral oil is diluted 150~200 times with water, mixed with 1000 times of Bacillus thuringiensis; or mixed with 1% matrine and azadirachtin 1000 times. 2 Adults released the Trichogramma during the spawning period, focusing on the bee time and the spawning period of the spawning beetle, placing 10,000 heads per acre, setting a bee spot on one acre, and placing the bee at a distance of 26×26 Meter. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Chemical control: 99% mineral oil is diluted 150~200 times with water, mixed with 4.5% beta-cypermethrin 1000 times; or sprayed with 20% chrysanthemum 1500 times. Control once every 7 days, control twice to control adults and larvae. It is better to use the two agents alternately. Linyi Fertilizer Network Copyright
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