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CN-121986794-A - Weeding composition and application thereof

CN121986794ACN 121986794 ACN121986794 ACN 121986794ACN-121986794-A

Abstract

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof, wherein the weeding composition comprises an active ingredient A and an active ingredient B, the active ingredient A is isoxazolamide or isoxazolamide methyl ester, the active ingredient A is any one of pyriminobac-methyl, pyribenzoxim or bispyribac-sodium, and the mass ratio of the active ingredient A to the active ingredient B is 1:6-12:1. The weeding composition has obvious synergistic effect on paddy field weeds.

Inventors

  • GE JIACHENG
  • GE XIAOTIAN
  • MIN XIANGFEN
  • LIU JINLING

Assignees

  • 青岛恒宁生物科技有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (10)

  1. 1. The weeding composition is characterized by comprising an active ingredient A and an active ingredient B, wherein the active ingredient A is isoxazolamide or isoxazolamide methyl ester, the active ingredient B is pyribenzoxim or bispyribac-sodium, and the mass ratio of the active ingredient A to the active ingredient B is 1:6-12:1.
  2. 2. The weeding composition according to claim 1, wherein the mass ratio of the isoxazolamide to the pyribenzoxim is 1:6-6:1; the mass ratio of the isoxazole amide methyl ester to the pyribenzoxim is 1:5-6:1; The mass ratio of the isoxazole oxamide to the bispyribac-sodium is 1:6-12:1; The mass ratio of the isoxazole oxamide methyl ester to the bispyribac-sodium is 1:6-9:1.
  3. 3. The weeding composition according to claim 2, wherein the mass ratio of the isoxazolamide to the pyribenzoxim is 1:5-9:2; the mass ratio of the isoxazole amide methyl ester to the pyribenzoxim is 1:5-6:1; the mass ratio of the isoxazole oxamide to the bispyribac-sodium is 1:6-9:1; The mass ratio of the isoxazole oxamide methyl ester to the bispyribac-sodium is 1:6-6:1.
  4. 4. The weeding composition according to claim 1, wherein the active ingredient A and the active ingredient B account for 1% -80% of the total weight of the weeding composition by 100% by weight.
  5. 5. The herbicidal composition of claim 1 wherein the herbicidal composition comprises, in addition to the active ingredient, additional auxiliary ingredients selected from one or more of wetting agents, dispersants, emulsifiers, thickeners, disintegrants, freezing point depressants, defoamers, solvents, preservatives, stabilizers, synergists or carriers.
  6. 6. The weeding composition according to claim 1, wherein the weeding composition can be prepared into liquid or solid preparation.
  7. 7. The weeding composition according to claim 6, wherein the liquid preparation is suspension, emulsifiable concentrate, dispersible oil suspension, microemulsion and aqueous emulsion, and the solid preparation is wettable powder, granules and water dispersible granules.
  8. 8. Use of the herbicidal composition according to any one of claims 1 to 7 for controlling paddy field weeds.
  9. 9. The use according to claim 8, wherein the weeds are annual weeds and the weeds are grasses, broadleaves or sedge weeds.
  10. 10. The use according to claim 9, wherein the grass weeds are barnyard grass, rice plump grass, moleplant seed, myrtle, crabgrass and gooseberry, the broadleaf weeds are snakehead intestines, longhead flowers, festival vegetables, glossoside, arrowhead, caryophyllus, and gynura segetum, and the sedge weeds are heteromorphic nutgrass, crushed nutgrass galingale, and nutgrass galingale.

Description

Weeding composition and application thereof The invention relates to a weeding composition and application thereof, wherein the application is of application number 202510706529.3, application date 2025, 5, 29 and the application name is a divisional application of 'weeding composition and application thereof'. Technical Field The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof. Background Rice is one of three large grain crops in the world, and the production and development of the rice play a vital role in the safety and stability of the grains in the world. Rice is also one of important grain crops in China, and the average rice planting area of 3000 ten thousand hm 2 in China in the 21 st century accounts for 20% of the world rice planting area. The prevention and control of the disease, the insect pests and the insect pests are directly related to the continuous and stable rice production and the grain safety of China. The paddy field weeds compete with the paddy rice for resources such as nutrients, space, illumination and the like, so that negative effects are caused on the growth and development of the paddy rice, and the paddy rice is prevented from obtaining high yield and high quality, so that the prevention and removal of the paddy field weeds is an important measure for ensuring the yield and quality of the paddy rice. At present, the weed control is mainly chemical control, but the herbicide with a single action mechanism is continuously used, so that the problems of weed resistance and the like are increasingly outstanding, the types of resistant weeds in China are increased to 34 types, and the 5 th position of the world is a serious threat to weed control and agricultural production. For example, resistance of semen Euphorbiae to cyhalofop-butyl is generated, resistance of part of barnyard grass to the lingustaceae is generated, and the difficulty of preventing and killing malignant weeds and the resistant barnyard grass is continuously increased. Therefore, the screening of efficient, safe and labor-saving herbicide products has great significance. Disclosure of Invention Based on the above, the invention provides a weeding composition, which can effectively control various types of weeds common to paddy fields, including grassy weeds, broadleaf weeds, cyperaceae weeds and the like, has high safety to rice and has no phytotoxicity to succeeding crops. Can be used for the comprehensive control of resistant weeds in paddy fields. In order to achieve the aim, the weeding composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is isoxazolamide or isoxazolamide methyl ester, the active ingredient B is any one of pyriminobac-methyl, pyribenzoxim or bispyribac-sodium, and the mass ratio of the active ingredient A to the active ingredient B is 1:6-12:1 or any value in the numerical range. Further, the mass ratio of the isoxazole oxamide to the pyriminobac-methyl is 1:5-9:1, or any value in the numerical range; The mass ratio of the isoxazole methyl ester to the pyriminobac-methyl is 1:6-6:1 or any value in the numerical range; the mass ratio of the isoxazole oxamide to the pyribenzoxim is 1:6-6:1 or any value within the numerical range; the mass ratio of the isoxazole amide methyl ester to the pyribenzoxim is 1:5-6:1, or any value in the numerical range; The mass ratio of the isoxazole oxamide to the bispyribac-sodium is 1:6-12:1 or any value in the numerical range; The mass ratio of the isoxazole methyl ester to the bispyribac-sodium is 1:6-9:1 or any value within the numerical range. Further, the mass ratio of the isoxazole oxamide to the pyriminobac-methyl is 1:4-9:1, or any value in the numerical range; The mass ratio of the isoxazole methyl ester to the pyriminobac-methyl is 1:4-6:1 or any value in the numerical range; The mass ratio of the isoxazole oxamide to the pyribenzoxim is 1:5-9:2 or any value within the numerical range; the mass ratio of the isoxazole amide methyl ester to the pyribenzoxim is 1:5-6:1, or any value in the numerical range; the mass ratio of the isoxazole oxamide to the bispyribac-sodium is 1:6-9:1 or any value in the numerical range; the mass ratio of the isoxazole methyl ester to the bispyribac-sodium is 1:6-6:1 or any value within the numerical range. Further, the herbicidal composition comprises, based on 100wt%, the active ingredient A and the active ingredient B accounting for 1% -80% of the total weight of the herbicidal composition, or any value within the numerical range. Further, the herbicidal composition comprises other auxiliary ingredients besides the active ingredients, wherein the auxiliary ingredients are selected from one or more of wetting agents, dispersing agents, emulsifying agents, thickening agents, disintegrating agents, antifreezing agents, antifoaming agents, solvents, preservatives, stabilizers, synergists or carriers. F