1 results about "Veratrum nigrum" patented technology

This invention discloses a traditional Chinese medicine compound preparation for the green control of citrus red spider mites, comprising principal, assistant, adjuvant, and guiding herbs: the principal herbs include: 15-20 parts of Veratrum nigrum and 15-20 parts of Stemona japonica; the assistant herbs include: 10-15 parts of Trichosanthes kirilowii, 10-15 parts of Melia toosendan, and 10-15 parts of Zingiber officinale; the adjuvant herbs include: 8-12 parts of Cnidium monnieri, 8-12 parts of Zanthoxylum bungeanum, and 8-12 parts of Ginkgo biloba; the guiding herbs include: 5-10 parts of Gleditsia sinensis, 5-8 parts of Mentha haplocalyx, and 5-8 parts of Glycyrrhiza uralensis. In the field of biological control of agricultural pests, the raw materials of traditional Chinese medicine are locally grown medicinal herbs with no chemically synthesized pesticide residues. They have low toxicity to mammals, birds, bees, and the main natural enemies of citrus (adult predatory mites), and meet the standards of organic agriculture and green food production. The compound preparations are formulated according to the "principal, assistant, adjuvant and guide" principle to exert a synergistic effect, and have comprehensive effects of contact killing, stomach poisoning, repellency, and inhibition of egg laying and hatching. The field control efficacy can reach more than 89%, and the rapid effect and the duration of effect (10-15 days) are balanced.