What pesticides are used to control aphids
Aphids, also known as greasy insects and honey insects, are herbivorous insects. Aphids are widely distributed all over the world, but they are mainly concentrated in temperate regions. What pesticides are used to control aphids in crops?
What pesticides are used to control aphids
The available pesticides to control aphids are: Lasone emulsion, acetamiprid EC, cyanoocin EC, imidacloprid wettable powder, avermectin and so on.
II. Prevention and control methods
1. Drug prevention and treatment
When a large number of aphids are found, pesticides should be sprayed in time. Spray the plant with 1000 times of 50% marathon emulsion and so on. For aphids such as peach powder aphids, which are covered with wax powder, 1% soapy water or washing powder should be added to increase adhesion and improve control effect.
two。 Artificial prevention and cure
Brush white at the base of the trunk in autumn and winter to prevent aphids from spawning; combined with pruning, cut off the damaged branches and residual flowers, burn them centrally, and reduce the overwintering insect population; scrape or brush off the dense overwintering eggs on the bark in winter, clean up the residual branches and leaves in time, and reduce the overwintering eggs; when a small amount of aphids are found on flowers in spring, you can use a brush dipped in water, or tilt the potted flowers under tap water to rinse.
3. To protect predators.
There are many natural enemies of aphids, including ladybugs, lacewings, aphid flies and parasitic wasps, which have a strong inhibitory effect on aphids. Try to apply as few broad-spectrum pesticides as possible, avoid applying pesticides during the peak period of natural enemy activities, and artificially raise and release aphids under certain conditions.
Aphids are also one of the most destructive pests on earth. About 250 of them are pests that are seriously harmful to agroforestry and horticulture. Aphids vary in size and range in length from one to ten millimeters.
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