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Pesticide composition containing hexythiazox and flufenoxuron

The technology of a pesticide composition, flufenuron, is applied in the direction of insecticides, acaricides, biocides, etc., and can solve the problems of poor quick-acting properties and different action mechanisms, so as to reduce the dosage per mu, prolong the duration, reduce the The effect of small adverse effects

Inactive Publication Date: 2015-12-16
GUANGXI NANNING YITU BIOLOGICAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Flubenzuron is widely used in citrus, cotton, grapes, soybeans, fruit trees, royal rice and coffee to control plant-eating mites (eriophagous mites, short beard mites, panonychia, rust mites, red spider mites, etc.) and many Other pests, and has a good long-term effect, but the quick effect is poor
[0006] The mechanism of action of Abamectin, Hexythiazox, and Flubenzuron are different from each other. The acaricidal composition with Abamectin, Hexythiazox, and Flubenzuron as active ingredients is used for the control of cotton spider mites. No relevant reports yet

Method used

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  • Pesticide composition containing hexythiazox and flufenoxuron

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: Toxicity determination of avermectin, hexythiazox and flufenuron and different ratios to Tetranychus urticae

[0014] The test method refers to the "People's Republic of China Agricultural Industry Standard NY / T1154.12-2006". Female adults of Tetranychus urticae collected from the field were reared indoors for 30 generations, and the female adults with uniform growth were selected as the test insects. The cotton seedling method is adopted, that is, 50-60 heads of all claw mites are inoculated on small pots of cotton seedlings, and the base number is checked after 1 day. After the dead mites are picked out, live adult mites are added, and the number of mites per treatment is kept at about 50. Spray the seedlings with mites using a spray tower, move them to culture at 25°C and 90% relative humidity, check after 15 days, record the number of survivors, use DPS data processing software for statistical analysis, calculate the regression curve, and calculate the LC...

Embodiment 2

[0023] Embodiment 2: the preparation method of 8% abamectin·hexythiazox·flubenzuron microemulsion and medicament field test

[0024]

[0025] According to the formula requirement, the amount of the above components is completely dissolved and mixed uniformly, and then stirred to prepare 8% abamectin·hexythiazox·flubenzuron microemulsion.

[0026] The preparation of this example is used to prevent and control cotton spider mite. It is uniformly sprayed by conventional methods, and the dripping water on the leaves is used as the standard. There were more spider mites in the field when the pesticide was applied. A total of 4 treatments were set up in the experiment, and each treatment was repeated 4 times. Investigate the number of insect populations in the field before spraying, and investigate the number of residual live insects 1 day, 7 days, and 21 days after spraying. During the survey, check 2 plants in each plot, and check 5 leaves of each plant in 4 directions from ea...

Embodiment 320

[0034] The preparation method of embodiment 320% abamectin·hexythiazox·flubenzuron aqueous emulsion and medicament field test

[0035] Weigh 2% avermectin, 6% hexythiazox, 12% flubenzuron, 7% N,N dimethylformamide (emulsifier), 3% concentrated milk 500 # (emulsifier), lignosulfonate 2% (dispersant), 0.08% silicone oil (defoamer), deionized water added to 100%, mixed to obtain 20% abamectin hexythiazox fluoride Urea water emulsion.

[0036] The preparation of this embodiment is used to prevent and treat Tetranychus urticae in cotton, and there are more Tetranychus urticae in the field during spraying, and 4 treatments are established in the test, and each treatment is repeated 4 times, using the same spraying method as in the field test of Example 2, Insect survey methods and drug efficacy calculation methods.

[0037] The test results are shown in Table 3.

[0038] Table 320% Abamectin·Hexythiazox·Fflubenzuron Water Emulsion to the Field Test Form of Tetranychus urticae

...

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Abstract

The invention relates to a pesticide composition containing hexythiazox and flufenoxuron. In the pesticide composition, avermectin, hexythiazox and flufenoxuron are used as active ingredients with a weight ratio of avermectin to hexythiazox to flufenoxuron being (1-2):(3-8):(5-10) in the composition. According to the invention, through reasonable blending, a remarkable synergistic effect is achieved, the pesticide effect can be greatly improved, the pesticide dosage per mu is reduced, so that the adverse effect on the environment and pesticide residue are reduced, and the lasting time of pesticide effect is prolonged; besides, the defect that a single drug cannot prevent or kill red mites in all growth cycles is solved.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to an acaricidal composition containing hexythiazox and flufenuron, which is mainly used for preventing and controlling harmful mites on cotton. Background technique [0002] Cotton spider mite, belonging to Arachnida, order Acarina, Tetranychidae, is one of the main pests of cotton. The spider mites that harm cotton in my country are mainly Tetranychus cinnabarinus, Tetranychus urticae, and Tetranychus truncates. The harmful symptoms are that both cotton adults and nymphs absorb the juice on the back of the cotton leaves, causing the leaves to lose chlorosis, macula, erythema or yellow white spots appear. In severe cases, the leaves dry up and fall off, and the cotton plants die. The boll period is damaged, which increases the shedding of buds and bolls, reduces the weight of the bolls, greatly reduces the quality of cotton, and reduces cotton production. Cotton spider mite has strong f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01P7/00A01P7/02A01P7/04A01N47/34A01N43/90
Inventor 邓付圆
Owner GUANGXI NANNING YITU BIOLOGICAL SCI & TECH CO LTD
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