Matrine, a natural plant pesticide, is low in toxicity to humans and animals, has a long period of efficacy, and lasts for 10-15 days. Kill insects, kill fleas, and have a certain inhibition or killing effect on the fungus, especially for vegetables commonly used cabbage caterpillar, Spodoptera litura, beet armyworm, aphids, thrips, small green leafhopper, whitefly, etc., effective above 95. The quick effect is slightly worse.

spray

The control of cabbage caterpillars is about 7 days after the adult egg laying peak, and the larvae are controlled when the larvae are 2-3 years old. Each mu uses 0.3% matrine aqueous solution 62-150 ml, plus water 40-50 kg, or 1% bitter 60-110 ml of alkali alcohol solution, evenly sprayed with 40-50 kg of water, is effective for young larvae and poorly sensitive to 4-5 instar larvae.

The diamondback moth is controlled and sprayed with a 600% solution of 0.5% matrine water.

Control solanaceous, leafy vegetable aphids, whitefly, and noctuary pests, and used prophylaxis with a 0.3% matrine solution 600-800 times spray. Pests were sprayed with a 0.3% matrine aqueous solution at 400-600 times and sprayed once every 5-7 days. Insect pests can increase the amount of drugs during the peak period, spraying once every 3-5 days, 2-3 times in a row, spray should be uniform when the leaves back, leaf surface spray, especially the back of the leaves.

Seed dressing

For the control of earthworms, beetles, and other underground pests and maggots, use 1.2-2.5 kg of matrine powder per acre for application or application or dressing. For seed dressing, moisten the seeds first. Mix 1 kilogram of 1.1% matrine powder 40 grams per 1 kilogram of vegetable seeds, and sow 2-4 hours after sowing.

Irrigation

For the prevention of underground pests of rhizomes, such as cockroaches and root nematodes, 0.3% matrine aqueous solution can be used to irrigate the roots or first open the ditch and then pour the soil over the soil. Or in the early days of flooding, spraying with 1.2% matrine powder 2-2.5 kg/acre and 300-400 kg water to root. In the late stage of the adults of S. obtusifolia adults or onion lands, and when there are no infected plants in the field, use 1.1% compound matrine powder 4 kg per mu, dilute the appropriate amount of water, and rinse the water in the leeks. The ground water is evenly dripped to prevent lice.

Note: It is strictly prohibited to mix with alkaline drugs. The short-term effectiveness is poor, and insect pests should be forecasted and forecasted. The pests should be controlled in the low-intensity period of pesticide application, and the time of application should be 2-3 days ahead of conventional chemical pesticides. Spray the whole plant thoroughly and evenly when using it. It should not be used before rainfall. The rainfall should be sprayed again shortly after spraying. The best time to use it is before 10 o'clock in the morning or after 5 o'clock in the afternoon. The drug can only be administered after 5 days of chemical pesticides. Dilution with two dilution method, shake, do not save after dilution. Can not be used as a special fungicide.

Bolus, Powders, Injections and other dosage forms for animal use.

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