49results about How to "Delaying Pest Resistance" patented technology

The invention discloses an insecticidal composition of diafenthiuron and fenoxycarb and an application thereof. The insecticidal composition is compounded with diafenthiuron and fenoxycarb, and has a good synergistic effect, wherein butyl The mass ratio of ether urea and fenoxycarb is 1-10:1, preferably 1-5:1. The insecticidal composition of the present invention expands the insecticidal spectrum, improves the persistence period of the drug, avoids the generation of drug resistance, and has great effects in preventing and controlling Lepidoptera pests such as cotton bollworms, diamondback moths, stem borers, and noctuids in food crops and vegetables. The good effect is beneficial to the sustainable development of the environment, and the preparation process of the composition is environmentally friendly, and there are no safety and pollution problems.

The comprehensive disease and pest controlling method for transgenic pest resistant cotton field includes: 1. the early stage controlling including winter tillage and winter irrigation and cleaning field before seeding, controlling wheat field wheat aphid with pirimicarb, imidacloprid, etc; treating seed and controlling cutworm, cotton aphid, seedling, etc.; 2. the middle stage controlling of cotton aphid, the third generation of cotton bollworm, angular leaf spot, etc. and 3. the later stage controlling of the fourth generation of cotton bollworm, cotton aleyrodids, cotton verticillium wilt, etc. The comprehensive disease and pest controlling method has low farm chemical consumption, low cost, less environmental pollution, less pesticide residue, less pesticide resistance of pest, improved ecological environment of field and increased cotton yield.

The invention discloses a preparation method of a biological pesticide preparation for preventing and controlling red fire ants a. preparing a medicine for preventing and controlling red fire ants containing pathogenic microorganisms, and the medicine for preventing and controlling red fire ants containing pathogenic microorganisms contains Beauveria bassiana and chlorinated Sodium, the number of Beauveria bassiana spores and the gram ratio of sodium chloride are: (1~8)×20 billion: 4.0~7.5g; b, put the medicament of preventing and treating red fire ants containing pathogenic microorganisms in a solid container In the liquid container, there is a corresponding amount of solution in the liquid container, and then the solid container is inserted into the liquid container, the snap ring is stuck on the bottle mouth of the liquid container, and then the rubber gasket is pressed against the snap ring. On the ring, the cover covers the rubber gasket and snap ring and fixes it on the bottle mouth of the liquid holder. The biopesticide preparation for preventing and controlling red fire ants of the present invention has long storage time, convenient use and transportation, saves time and effort, and can be used immediately after preparation. After use, the germination environment of the drug (spore) is improved, the insecticidal effect is increased, and finally the The purpose of controlling red fire ants in the field.

The invention discloses a botanical insecticide, and belongs to the technical field of pesticides. The activity component of the botanical insecticide is a xylene extract of angled bittersweet seeds and five-leaved chaste tree seeds. The botanical insecticide is a preferable emulsifiable concentrate preparation, and comprises the following components in weight percent: 4-12% of active ingredient, 5-15% of a cosolvent, 3-10% of an emulsifying agent, 1-5% of a penetrant and the balance of a solvent. The botanical insecticide disclosed by the invention is high in pesticide effect, long in lasting time, capable of delaying the production of pest resistance to the insecticide, stable in quality, resistant in storage and safe to environment, and has good preventing and controlling effects on tea geometrid and cabbage caterpillars.