Clinical medicinal use
1、Diuretic effect As a medicinal plant, bitter ginseng has a history of more than two thousand years in China according to the written records, the main function has the efficacy of clearing heat, diuretic, insecticide, expectorant, etc., and also has a variety of roles such as antiviral, anti-tumor and anti-allergic.
2、Anti-pathogen effect Decoction in a test tube, high concentration (1:100) on tuberculosis mycobacteria have an inhibitory effect. Decoction (8%) water decoction in vitro on some common skin fungi have different degrees of inhibition.
3, other effects Picrasidine injection in rabbits: found that the central nervous system paralysis phenomenon, with the birth of spasm, and ultimately by respiratory arrest and death. Injected into frogs: at first it was excited, then it was paralyzed, the breathing became slow and irregular, and finally spasm occurred, so that the breathing stopped and died. The onset of spasm was due to spinal reflex.
4、Oxidized Picrasidine Anti-Hepatitis B and C Virus Effects Oxidized Picrasidine shows strong antiviral activity against HBV in vitro and in animal models, and also has anti-HBV effect in human body, and has been reported to be used in the treatment of chronic viral hepatitis.
Application of Picrasidine in Agriculture
Picrasidine is made from the roots, stems, leaves and fruits of the Chinese herb Picrosylla vulgaris extracted by organic solvents such as ethanol, it is an alkaloid, generally Picrosylla vulgaris total alkaloid, and the components are mainly Picrasidine, Picrasidine Oxide, Sophorine, Sophorine Oxide, Sophoridine, etc., and Picrasidine, Picrasidine Oxide has the highest content. Picrasidine is a natural plant pesticide, once the pest touches the drug, it will paralyze the nerve center, and then make the protein of the insect body coagulate, block the stomata of the insect body, so that the pest suffocates and dies, this product is low toxicity to humans and animals, it is a broad-spectrum pesticide, with stomach poison and poisoning and poisoning effect of touch. In line with the direction of sustainable development of agriculture, at present, there are 0.3% Picrasidine aqueous preparation, 0.8% Picrasidine lactone aqueous preparation, 1% Picrasidine solution, 1.1% Picrasidine solution, 1.1% Picrasidine powder, etc. These plant-derived agents have been applied in the prevention and control of some pests in vegetables, fruit trees, tea, tobacco and other crops to achieve a good prevention and control effect.
It has ideal preventive effect on vegetable aphids, lepidopteran insects, tea caterpillars, cabbage moths, and tea leafhoppers, whiteflies and so on. In addition, it also has good preventive effect against vegetable mildew, epidemic disease and anthracnose. It is worth paying attention to the development.
Prevention and control of the main pests
1, all kinds of pine caterpillar, poplar boat e, American white e and other forest leaf-eating pests in the 2-3 age of larvae occurrence period, with 1% picloram soluble liquid 1000-1500 times evenly spray.
2, tea caterpillar, date ruler butterfly, golden grain moth and other fruit tree leaf-eating pests with 1% Picrasidine soluble liquid 800-1200 times evenly sprayed.
3、Cauliflagellates:in 7 days after the peak of adult egg-laying, the larvae are in the 2nd-3rd age when applying medicine to prevent and control, use 0.3% Picrasidine 500-700 ml of aqueous agent per acre, and add 40-50 kg of water for spraying. This product is good for low larvae, but poor for 4-5 larvae.
Precautions: It is forbidden to mix with alkaline drugs, and this product has poor quick effect, so it should be predicted and forecasted well, and applied at the low age of pests.
Post time: Jan-22-2024