The so-called bio- insecticides are methods that use non-pesticide technology to eliminate pests. Not only do they have no phytotoxicity problems, but also environmental pollution, so what are the types of bio-insecticides?
1. 0.25% Tripterygium wilfordii granules are used to control vegetable pests such as locust leaf, yellow squash, cabbage caterpillar, diamondback moth, 28-star ladybug, potato beetle, etc., and are safe for natural enemies such as wasps and walking bees.
Second, 95% pine oil essential oil agent is used to control pests such as corn leaf beetle, brown worm, and spruce mites. Pine oil is safe and non-polluting to humans and animals, and pests are not susceptible to drug resistance.
3. 1.6% wolf toxin aqueous emulsion Stellera chamaejasme is a perennial herb of the genus Stellera chamaejasme. The insecticidal active substances extracted from it are wolf toxin and stellera chamaejasme, which can be used to control pests such as aphids, cabbage caterpillars and cotton red spiders. .
4. Beauveria bassiana powder Beauveria bassiana can be used for the control of more than 20 species of pests such as pine caterpillar, corn borer, soybean borer, sorghum strip, sweet potato weevil, potato beetle, tea poisonous moth, rice borer. Beauveria bassiana has a special effect on ticks.
5. Metarhizium anisopliae is a fungal insecticide that can be used to control pests such as cockroaches, golden worms, weevils, cockroaches and apple heartworms.
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