1 results about "Pyrola calliantha" patented technology

The application discloses a natural plant-extracted self-suction type plant insecticide and a preparation and use method thereof, and belongs to the field of agricultural biotechnology. The insecticide is prepared by step-by-step decocting, filtering, purifying and pasteurizing pinellia ternate, cyperus rotundus, cinnamomum cassia, pyrola calliantha and cypress leaves. The insecticidal active substances of each component selected in the application are mainly small-molecule alkaloids, flavones and aldehyde substances, have strong penetration capacity and are easily absorbed by the digestive tract of pests; the pesticide solution can form a negative pressure in the catheter of the trunk or branch incision wound surface by means of plant transpiration, is self-sucked and transported to branches and leaves along the transpiration flow, belongs to a true green self-suction type insecticide, and when the pesticide is applied, drilling and medicine injection are not needed, external force is not needed to press, a tree bark superficial wound surface pasting method is adopted, the wood layer of the tree is not damaged, and damage to the growth of the tree is avoided.