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Composition of fluroxypyr or its ester and flumesulam and its preparation method

The technology of chlorofluoropyroxyacetate and chlorofluoropyroxyacetic acid is applied to the composition and preparation field of the compound pesticide containing chlorofluoropyroxyacetic acid or its ester and sulfentrazone, and can solve the problem of Gramineae Weeds are ineffective and other problems, to achieve the effect of quick and long-lasting effect, delaying drug resistance, and good environmental compatibility

Inactive Publication Date: 2011-12-21
YONGNONG BIOSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fluroxypyr or its esters are suitable for controlling broad-leaved weeds in wheat, barley, corn, grapes, orchards, pastures, woodlands, lawns, etc. Convolvulaceae, Polygonum, Amaranth, etc., but not effective against grass weeds

Method used

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  • Composition of fluroxypyr or its ester and flumesulam and its preparation method
  • Composition of fluroxypyr or its ester and flumesulam and its preparation method
  • Composition of fluroxypyr or its ester and flumesulam and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In order to verify the herbicidal effects of fluroxypyr or its esters and flumetsulam on broad-leaved weeds in corn and wheat fields in different ratios, the different ratios of fluroxypyr or its esters and flumetsulam were tested. Proportioning measures the indoor activity of broad-leaved weeds in cornfields, according to the weight percentage in the table, the corresponding concentration is made, and the indoor weeding test is carried out to measure the fresh weight control effect (E 0 ), the test results are reported as follows:

[0026] Determination method: This test adopts the greenhouse pot method to study the herbicidal activity of fluroxypyr or its esters and flumetsulam in different proportions on broad-leaved weeds in cornfields. The herbicidal activity against the four tested weeds was higher, and the quick-acting, control effect, and herbicidal spectrum were also significantly higher than that of fluroxypyr or its esters. The analysis of the combined effec...

Embodiment 2

[0032] 22% Fluroxypyr Acid · Flumesulam Wettable Powder

[0033]

[0034] After the above raw materials are uniformly mixed in a double-helix conical mixer, they are pulverized by a jet mill to make a powder-shaped compound pesticide composition containing fluroxypyr and flumetsulam, which is aimed at broad-leaved weeds in wheat fields. In the field efficacy test of weed control, the control effect reached more than 97% 15 days after the application (see Table 2).

[0035]From the above results, it can be seen that 22% fluroxyrpyr-fluroxyl wettable powder is better than 20% fluroxyrpyr EC in the control of broad-leaved weeds in wheat fields.

Embodiment 3

[0037] 65.6% Isooctyl Fluroxypyr Acetate · Flumesulam Water Dispersible Granules

[0038]

[0039] After the above raw materials are mixed evenly in a double-helix conical mixer, they are ultrafinely pulverized by a jet mill, and an appropriate amount of water is added to be granulated by a granulator. The compound pesticide composition of isooctyl ester and flumetsulam was used in the field efficacy test for the control of broad-leaved weeds in cornfields, and the control effect reached more than 96% 15 days after the application (see Table 3).

[0040] From the above results, it can be seen that 65.6% fluroxypyr isooctyl and fluroxylam water dispersible granules are better than 288g / L fluroxypyr in the control of broad-leaved weeds in cornfields. Cream.

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Abstract

The invention discloses a composition of fluroxypyr or its ester and flumetsulam, which contains active ingredients of fluroxypyr or its ester and flumetsulam, based on the total weight of the composition , the content of fluroxypyr or its ester is 1-70%, the content of flumetsulam is 1-70%, the content of additives is 10-98%, and the additives include dispersants, wetting agents, disintegrating agents Agents, binders, fillers, etc. The invention also discloses a preparation method of the above pesticide composition. The pesticide composition has low toxicity, good quick-acting and long-lasting effect, slows down the resistance of broad-leaved weeds to a single agent, and has moderate cost. It is an ideal pesticide variety for controlling broad-leaved weeds in corn fields and wheat fields, and is simple and safe to use 1. Good environmental compatibility. Compared with other existing herbicide compositions, it can delay the emergence of drug resistance, use less amount, and achieve the purposes of weeding cleanly, quickly, and without polluting the environment.

Description

technical field [0001] The invention relates to a pesticide composition for preventing and controlling broad-leaved weeds in cornfields and wheat fields, in particular to a compound pesticide composition containing fluroxypyr or its ester and flumetsulam and a preparation method thereof. Background technique [0002] In recent years, due to the large-scale use of various pesticides, the resistance of agricultural weeds has become higher and higher, and weeds are common and various in variety. Amaranthus, Dawanhua, Chenopodium, Xiaofei Peng, Polygonum sorrel, cocklebur, velvetleum, sedge, and Artemisia annua, field bindweed, lettuce, and spinach in some areas, are seriously endangered all over the country In the control of chemical agents, the herbicides used for stem and leaf treatment mainly include tribenuron-methyl, thifensulfuron-methyl, fluroxypyr, fluroxyfen, and other single agents, all of which have strong drug resistance, and the dosage per mu is year by year incre...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N43/40A01N25/14A01N25/12A01P13/00
Inventor 汪云强张子翱刘何华王淼
Owner YONGNONG BIOSCI
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