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Nematode killing composition containing iprodione and dinotefuran

A nematicide and composition technology, applied in the field of pesticide compounding, can solve the problems of pesticide residues, environmental pollution, pest resistance, etc., reduce production costs and use costs, significantly nematode effect, and delay key insect resistance Effect

Inactive Publication Date: 2014-11-12
HAILIR PESTICIDES & CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the actual process of agricultural production, the application of chemical agents is the most effective means of controlling plant diseases and insect pests, but the most likely problem caused by chemical control of pests is the emergence of pest resistance
Moreover, long-term continuous high-dose application of a single chemical insecticide is likely to cause a series of problems such as drug residues and environmental pollution.
On the basis of indoor screening and field tests, we have screened out the compound of iprodione and dinotefuran, which can improve the control effect, prolong the application period, reduce the dosage, reduce the drug damage, reduce the residue, and delay the resistance of pests The occurrence and development of drug resistance and other positive characteristics, and no one has reported about the nematicide composition and application of iprodione and dinotefuran

Method used

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  • Nematode killing composition containing iprodione and dinotefuran
  • Nematode killing composition containing iprodione and dinotefuran
  • Nematode killing composition containing iprodione and dinotefuran

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0032] Example: Combined toxicity test of different ratios of dinotefuran and iprodione.

[0033] Test target: Cucumber root-knot nematode

[0034] The evaluation method is the liquid immersion method. Dissolve the original drug with acetone first, distribute the appropriate amount of active ingredients into several different proportions according to the results of the preliminary experiment, and then use acetone to dilute each treatment into several concentration gradients for use. Inject 100 ul into each well of a 96-well plate, then add an equal amount of root-knot nematode suspension, place in a dark place at 25° C. for one week, and count the number of surviving and dead nematodes in each well with a microscope.

[0035] Calculation method of drug efficacy: Mortality rate (%)=number of dead insects / (number of surviving insects+number of dead insects)×100.

[0036] The expected potency (i.e. theoretical control effect, %) of the active ingredient mixture was determined u...

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Abstract

The invention relates to a nematode killing composition containing iprodione and dinotefuran. The mass ratio of effective constituents of the iprodione to the dinotefuran in the nematode killing composition is 1 to 50:50 to 1. The total mass of effective constituents of the iprodione and the dinotefuran in a preparation accounts for 1% to 80% of the mass of the whole preparation and the remaining constituents are auxiliary constituents allowed to be used and accepted in pesticide. The dosage form of the nematode killing composition is emulsifiable concentrate, a suspending agent, wettable powder, water dispersible granules, emulsion in water, microemulsion, granules, microcapsules and an aqueous solution, and the nematode killing composition is suitable for preventing and treating parasitic nematodes and soil insects harmful to plant root systems and especially for preventing and treating parasitic nematodes on cereals, fruits and vegetables.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a nematicide composition containing iprodione and dinotefuran. Background technique [0002] Plant nematode disease is a plant disease caused by the attack and parasitism of plant parasitic nematodes. Injured plants can affect normal growth and development due to the invading nematodes absorbing nutrients in the body; the secretions during the nematode metabolism process can also stimulate the cells and tissues of the host plant, resulting in deformed plants and reduced yield and quality of agricultural products. The more serious plant nematode diseases in China include root-knot nematode disease of peanuts and other crops, soybean cyst nematode disease, wheat grain nematode disease, sweet potato stem nematode disease, rice stem nematode disease, millet nematode disease, pine wood nematode disease, Citrus semipuncturing nematode, etc. [0003] Iprodione (Iprodione...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01P5/00A01N47/38
Inventor 葛尧伦陈鹏吕文东
Owner HAILIR PESTICIDES & CHEM GRP
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