Plant-sourced pesticides are pesticides whose active ingredients are derived from plants. They are used as substitutes for chemical pesticides and are preferred for the production of pollution-free agricultural products. Osthole—Cnidium is the active ingredient extracted from the dry and mature fruits of Cnidium monnieri in the Umbelliferae plant. Its preparation is 0.4% osthol emulsifiable concentrate. It is mainly based on contact toxicity and supplemented by stomach poisoning. It has good control effect on cruciferous vegetables, cabbage caterpillars and tea tree tea. Prevention of cruciferous vegetable cabbage worms using a dose of 0.4% EC 667 square meters 80-120 ml; prevention and use of tea tree tea bream dose of 0.4% EC 100-120 ml. Generally, the diluted liquid is 50-75 kg per 667 square meters, evenly sprayed, and the effective period is about 7 days, which is safe for crops. Cefixine, celangulin, is an effective ingredient extracted from the root bark and seeds of the wild shrub plant Euonymus, and is formulated with 1% celangulin EC. The drug has a strong stomach poison, antifeedant, repellent, and contact killing effect, and has a better control effect against cruciferous vegetable Pieris. The use of a dose of 667 square meters 1% EC 50-70 ml, generally diluted 60-75 kg of water, spray evenly. The drug has good fast-acting properties, and the control effect can reach 90% or more after one day, and the effective period is more than 7 days. It is safe for crops. Sodium sanguine - sanguinarine is one of the main active ingredients in the extracts of Papaveraceae plant. It is formulated as a 1% sanguinarine WP (5%) Alkali wettable powder). The drug has a certain control effect on cruciferous vegetables, cabbage caterpillar, bean aphid, apple astragalus, and two-leafhopper, pear pear acerola. The prevention and treatment of cruciferous vegetables, cabbage caterpillars and bean aphids, with a dose of 1% of a wettable powder of 667 m2 30-50 g, was best when the cabbage caterpillar was sprayed at the young instar larvae; control of apple tree aphids and two-spotted spider mites, Pear pear hibiscus with 1% wettable powder, dilution multiples of 1500-2500 times, generally in the leafhopper, pear hibiscus nymphs uniform spraying control effect is best. The drug's fast-acting properties are generally normal. After 3 days, the efficacy of the drug is obviously increased. The effective period is about 7 days and the crop is safe. Eucalyptus - eucalyptus is the main component of eucalyptus oil, preparation is 5% cineole solution solution, the drug has a better control effect on cruciferous vegetable aphids. The use of a dose of 5% solution of 667 square meters 70-100 ml, 75 kg of water, even spray, the effective period of about 7 days, the crop security.
Goji Berry also
known as wolf berry is the fruit of
the Lycium barbarum or Lycium chinense, two closely related species. This kind of
fruit mainly grows in China and is commonly use in Chinese daily cuisine for
making soup or as tea. It`s full of nutrient value and has numerous implied health
effects and has been termed as super fruit. Goji berry have three kinds of
quality and different grades. The qualities are Conventional, Low pesticide and Organic. Grades are 180pcs, 280pcs,
350pcs, and 500pcs per every 50 grams.
Goji Berry Goji Berry,Organic Goji Berry,Low Pesticides Goji Berry,Conventional Goji Berry Ningxia Shun Yuan Tang Herbal Biotech Co., Ltd. , https://www.nxshunyuantang.com
Application of Several New Types of Plant Source Pesticides on Fruits and Vegetables