3 results about "Pyrethrum extract" patented technology

This invention discloses a pesticide composition for controlling guava nematodes and its preparation method, belonging to the field of pesticide technology. By weight, the raw materials of the pesticide composition include the following components: 8-12 parts of neem seed extract, 8-12 parts of pyrethrum extract, 5-8 parts of tongkat ali extract, 5-8 parts of croton fruit peel extract, 5-8 parts of guava leaf extract, 20-25 parts of compound microbial agent, 3-5 parts of sodium lignosulfonate, 5-8 parts of xanthan gum, 4-6 parts of trehalose, and 80-100 parts of water. The above components work synergistically to achieve excellent control of guava nematodes.

The preparation method comprises the following steps: dissolving a pyrethrum extract, dehydroacetic acid, aromatic carbonate, diphenyl ether and sodium hypophosphite in water to prepare an acarus-killing finishing liquid, and treating a brocade / cotton blended fabric by a dipping adsorption-baking method to prepare the lasting acarus-killing coating brocade / cotton blended fabric.

The invention provides a biological compound preparation for preventing and controlling nematodes as well as a preparation method and application of the biological compound preparation. The biological compound preparation is prepared from the following components in parts by weight: 50 to 90 parts of oligosaccharide extracting solution, 15 to 35 parts of first plant extract and 15 to 35 parts of second plant extract, the first plant extract comprises any one or a combination of at least two of a pyrethrum extract, a garlic extract, a turmeric extract or a lavender extract; the second plant extract comprises any one or a combination of at least two of a marigold extract, a mugwort extract, a derris extract or a mint extract. The biological compound preparation prepared by utilizing the principle of natural biological defense lines in the nature has an excellent nematode control effect, the components are safe and pollution-free, and drug resistance is not generated; meanwhile, required nutritional ingredients are further provided for the plants, the growth of the plants is promoted, and the disease resistance of the plants is improved.