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A kind of insecticidal composition containing dinotefuran and trichlorfon

An insecticidal composition and a technology for trichlorfon, applied in the field of pesticides, can solve problems such as no reports of dinotefuran and trichlorfon, and achieve the effects of optimal control effect, reduction of drug cost, and reduction of dosage.

Active Publication Date: 2021-04-16
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Composition and application of dinotefuran and trichlorfon are not yet reported

Method used

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  • A kind of insecticidal composition containing dinotefuran and trichlorfon
  • A kind of insecticidal composition containing dinotefuran and trichlorfon
  • A kind of insecticidal composition containing dinotefuran and trichlorfon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1: Combined toxicity test of dinotefuran and trichlorfon to litchi stinkbug

[0027] Litchi stinkbugs were collected from the Zhongluotan Litchi Base of Guangdong Academy of Agricultural Sciences in Guangzhou City, Guangdong Province, and brought back to the indoor breeding until the 2nd instar nymphs were used to determine the source of virulence.

[0028] Test method: Indoor toxicity test is carried out by spray method.

[0029] Investigation method: Check the death of test insects for 24 hours and record them. The standard for judging the death of test insects is that the test insects do not respond when they are lightly touched with a brush.

[0030] Table 1 The combined toxicity test results of dinotefuran and trichlorfon on Litchi stinkbug

[0031]

[0032] It can be seen from Table 1 that when the active ingredient dinotefuran and trichlorfon are mixed, when the mass ratio is between 20:1-1:20, it has a synergistic effect on litchi stink bugs, and the...

Embodiment 2

[0033] Embodiment 2: 40% dinotefuran·trichlorfon suspension concentrate (by mass ratio)

[0034]

[0035]

[0036] The above-mentioned materials are put into a mixer according to the proportion for pre-crushing, then put into a sand mill and ground for 1-2 hours, and then prepared after high-shear mixing to prepare a 40% dinotefuran·trichlorfon suspension concentrate.

Embodiment 3

[0037] Embodiment 3: 70% dinotefuran·trichlorfon wettable powder (by mass ratio)

[0038]

[0039] The above-mentioned materials are coarsely pulverized in proportion, put into a mixer and mixed uniformly, and then jet pulverized to obtain a 70% dinotefuran·trichlorfon wettable powder.

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Abstract

The invention discloses an insecticidal composition containing dinotefuran and trichlorfon. The insecticidal composition comprises the first active ingredient dinotefuran, the second effective ingredient trichlorfon and a commonly used auxiliary ingredient, dinotefuran The mass ratio to trichlorfon is 20:1-1:20, and the mass percentage of the sum of dinotefuran and trichlorfon in the insecticidal composition is 20%-80%. The combination of the two active ingredients dinotefuran and trichlorfon in the insecticidal composition provided by the present invention shows obvious synergistic effect within a certain proportion range, and is superior to single agent in terms of quick effect and long-lasting effect. , has a better control effect on litchi stinkbugs, can be used to control litchi stinkbugs, and can reduce the dosage of pesticides, reduce the impact of pesticides on the environment, delay pest resistance, reduce drug costs, and benefit environmental protection and agriculture The comprehensive management of pests has a better control effect on litchi stinkbugs and can be used to control litchi stinkbugs.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to an insecticidal composition containing dinotefuran and trichlorfon. Background technique [0002] Litchi stinkbug, belonging to Hemiptera, is one of the main pests in litchi and longan producing areas in my country. Both adults and nymphs suck the juice of twigs, flower spikes and young fruits, resulting in flower and fruit drop. The smelly liquid secreted by litchi stinkbugs can cause the contact parts to die when it touches the stamens, young leaves and young fruits. When a large outbreak occurs, the yield will be seriously affected, and even the grains will not be harvested. [0003] Dinotefuran is a third-generation nicotinic insecticide, an agonist of nicotinic acetylcholine receptors, and affects synapses in the central nervous system of insects. Dinotefuran has contact and stomach poisoning effects, and has strong systemic activity, which can be quickly absorbed by pl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N51/00A01N57/20A01P7/04
CPCA01N51/00A01N57/20
Inventor 徐淑陈炳旭罗振亚董易之姚琼全林发池艳艳
Owner PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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