Insecticide composition containing afidopyropen and imidaclothiz

A technology of dipropacyclopyrene and chlorothialine, applied in the field of pesticide application

Inactive Publication Date: 2019-01-18
JIANGXI ZHONGXUN AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Insecticide composition containing afidopyropen and imidaclothiz
  • Insecticide composition containing afidopyropen and imidaclothiz
  • Insecticide composition containing afidopyropen and imidaclothiz

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 Combined virulence assay for aphids.

[0024] Indoor virulence assay was carried out by soaking insects. The dipropacyclopyrene and clothialine original drugs were prepared into 5 serial concentrations of liquid medicines. The nymphs of wheat aphids (Macrosiphumavenae) cultivated in the room and of the same age were selected. After the target insects were immersed in the liquid medicine for 10 seconds, the excess liquid medicine was absorbed with filter paper, and the test insects were transferred to rearing under normal conditions. Each treatment was repeated 4 times. 10 insects, treated with clean water as a control. After 24 hours, check the number of dead and alive insects, and the test with a mortality rate of less than 20% in the control group is an effective test.

[0025] According to the survey results, the mortality rate of each treatment was calculated. Obtain the toxicity regression equation, lethal concentration, correlation coefficient, etc., ...

Embodiment 2

[0034] Example 2 Combined toxicity test to Bemisia tabaci and thrips.

[0035] The original drug is prepared into the required test agent, and the test method is the agar moisturizing leaf soaking method. Firstly, 5 different concentration gradients were set for the single agent and each mixed agent (on the basis of the preliminary test results, the mortality rate of the tested insects was set according to the proportional progression within the range of 5% to 90%). Bemisia tabaci were collected from the field in the greenhouse for test insects. Cucumber seedlings were used for 3 generations in the greenhouse, and uniform 3rd instar nymphs were selected for use. Use a hole puncher to punch fresh, flat host leaves into leaf discs, and try to avoid selecting parts with large and thick veins when punching. After immersing the leaf disk in the liquid to be tested for 10 seconds, take it out and dry it, and spread the leaf face down in the flat-bottomed glass tube that has been fi...

Embodiment 3

[0049] Example 3 20% Dipropacyclopyrene · Chlorthialine Water Dispersible Granules

[0050] 15% dipropacyclopyrene, 5% chlorothialine, 3% GY-D06, 4% sodium lignosulfonate, 3% pull open powder BX (sodium dibutylnaphthalene sulfonate), 4% K-12 ( sodium lauryl sulfate), light calcium added to 100% by weight. The above-mentioned raw materials are prepared through the conventional method for preparing water-dispersible granules, that is, the steps of mixing ultrafine airflow pulverization, mixing, and granulating to prepare 20% dipropacyclopyrene·clothialine water-dispersible granules.

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Abstract

The invention belongs to the field of pesticide prevention and control of injurious insects and in particular relates to an insecticide composition containing afidopyropen and imidaclothiz and application of the insecticide composition to prevention and control of insect pests of crops. Effective components of the composition contain two components including the afidopyropen and the imidaclothiz and the weight ratio of the afidopyropen to the imidaclothiz is (1 to 80) to (80 to 1); and the mass of the effective components in the composition accounts for 1 to 80 percent of the total mass of thecomposition. The pesticide composition provided by the invention can be prepared into missible oil, water dispersible granules, wettable powder, a suspension agent, a dry suspension agent, microemulsion, emulsion in water, a dispersible oil suspension agent and the like. The insecticide composition provided by the invention is used for preventing and controlling bemisia tabaci, aphid piercing-sucking mouthpart pests and rasping-sucking mouthpart pests. Acting mechanisms of the active components in the insecticide composition are different; after the active components are compounded, the drugresistance of agricultural insect pests can be delayed; meanwhile, the insecticide composition provided by the invention has a remarkable synergistic effect, the insecticidal spectrum can be increasedand the prevention effect is improved; and the insecticide composition is safe to crops.

Description

technical field [0001] The invention belongs to the technical field of pesticide applications, and in particular relates to a compound insecticide whose active ingredients are dipropacyclopyrene and chlorothialine and its application. The compound insecticide is mainly used for preventing and controlling crop pests Bemisia tabaci and aphids , thrips and other piercing-sucking pests. Background technique [0002] Aphids, Bemisia tabaci and thrips are all pests that feed on plant sap, and they are a group that is more harmful in crop production. They are small, and the symptoms of damage are often not obvious in the early stage of occurrence, and they are easy to be ignored. They live in groups on twigs, leaves, buds, flower buds, and fruits, absorbing plant juices and plundering nutrients, causing branches, leaves and flowers to curl, and even whole plants to wither or die, resulting in heavy losses of crops in our country every year. Therefore, insecticides are commonly use...

Claims

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Application Information

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IPC IPC(8): A01N53/04A01N51/00A01P7/04
CPCA01N53/00A01N51/00
Inventor 陈佛祥刘鹏任占福
Owner JIANGXI ZHONGXUN AGROCHEM
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