In the prevention and control of fruit tree diseases and insect pests, in order to meet the needs, you can process and make soil pesticides yourself. Soil pesticides have many advantages such as simple production, convenient materials, low cost, high efficiency and low toxicity. Today, the Agricultural Science Park will share with you several homemade pesticide tips, hoping to be useful to everyone.
There are several methods that can be used to make soil pesticides:
Bitter ginseng
The roots, stems and leaves of bitter ginseng are mashed, and an equal amount of water agent juice is added, and sprayed with 3 times the water to prevent and control aphids, golden needle worms, inchworms and so on. Fresh stem and leaf decoction can control Yang Fanzhou moth, aphids and a variety of fruit and vegetable pests. Mixed with soap, kerosene, etc., it can control underground pests such as scarab beetles, caddisflies, and ground tigers.
tobacco
The use of tobacco water, tobacco lime water or tobacco soap water to cure aphids, thrips, mites, has a good effect.
Mulberry leaf
Mulberry leaves 1 kg, water 5 kg, boiling stock solution, every 0.5 kg add water 2 kg or mulberry leaves 10 times water immersion spray, can treat aphids and mites. Mulberry leaves 15 times water immersion can inhibit the germination of rust spores.
pine needles
Pine needles 5 kg, add 5 kg of water, airtight for 2 hours; filter spray, can control leafhoppers.
Cypress leaves
Mash the cypress leaves, add an equal amount of water agent, and spray with 2 times the water to control aphids and borers. 10 times the water immersion of cypress leaves has a significant effect on the prevention and control of rust.
Castor leaves
Dried castor leaf powder mixed with soil fertilizer can control underground pests such as grubs, caddisflies and ground tigers.
Tiannan Star
Fresh bulb mash, 1 kg of raw materials with 20 kg of water, soaked for 1-2 days, filter spray, anti-pine caterpillars, aphids, etc.
Celandine (earth yellow lotus)
Whole grass combined with infiltration liquids such as solitary, quinoa, walnut, and tobacco stem can control Korean pine bulb aphids. During the flowering period, the whole grass is cut, dried in the shade, kneaded into powder, and sprinkled on the ground, which has a special effect on expelling ground fleas.
Wolf poison
Root 1 kg washed and chopped, add 6 kg of water, boiled for 1.5 hours after filtering, when used to add 5 times water to make a liquid spray, can control purple elm leaf beetle, Poplar leaf bee, Yang Xiaozhou moth, Yang Erwei boat moth, leaf bee larvae and aphids.
Pulsatilla
1 kg whole plant, add 10 kg of water, boil for 0.5 hours or soak for 1 day, filter, can control scarab beetles, ground tigers and other soft pests.
Cang'er (Old Cangzi)
Cang ear seeds are decocted with water and sprayed to control aphids.
Pangolin
1 kg of whole plant, crushed and mashed, add 5 kg of water, can be sprayed to control aphids.
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