Anilofos-containing weeding composition in rice field

A herbicidal composition and a technology of sedge phosphorus, applied in the field of agricultural chemistry, can solve the problem of not finding a compound combination of cyhalofop-butyl, and achieve the effects of delaying weed resistance, expanding herbicidal spectrum, and rice safety

Inactive Publication Date: 2018-11-06
ZHEJIANG TIANFENG BIOLOGICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Cyhalofop-methyl (acetyl-CoA carboxylase inhibitor herbicide), saponin (cell division inhibitor herbicide) and fluroxypyr (hormonal herbicide) have not been found yet. Related reports on compound combinations with different mechanisms of action

Method used

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  • Anilofos-containing weeding composition in rice field
  • Anilofos-containing weeding composition in rice field
  • Anilofos-containing weeding composition in rice field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Biological Assay Example 1: The activity test of the mixture of cyhalofop-methyl, saponin and isooctyl fluroxylate on crabgrass (Digitaria ciliaris (Retz.) Koel.).

[0030] The purpose of the test: to further compare the synergistic effect of cyhalofop-ester, saponin and fluroxypyr on rice field weeds through the activity test of greenhouse pot planting and to further compare the composition and the single agent In order to better illustrate the excellent characteristics of the herbicidal composition of the present invention.

[0031] Test target: Digitaria ciliaris (Retz.) Koel., collected from dry-seeded rice fields in Nanling County, Anhui Province, and stored in a refrigerator at 4 degrees Celsius until use.

[0032] Test agents: 98% cyhalofop-methyl TC; 95% saponin TC, 95% fluroxypyr-ethyl isooctyl TC.

[0033] Cultivation of test materials: The soil used for the test is the special soil for the test of the unmedicated plot. Select a flower pot with d=8cm and h=7cm,...

Embodiment 1

[0042] Formulation example 1: 41% cyhalofop-methyl, saponin, and isooctyl fluroxypyr emulsifiable concentrate (20:15:6)

[0043] Cyhalofop-ethyl 20 parts by weight

[0044] Saponin 15 parts by weight

[0045] 6 parts by weight of isooctyl fluroxypyr

[0046] Calcium dodecylbenzenesulfonate 7 parts by weight

[0047] Styrylphenol ethoxylate 4 parts by weight

[0048] Castor oil polyoxyethylene ether 4 parts by weight

[0049] Fatty alcohol polyoxyethylene ether 3 parts by weight

[0050] 5 parts by weight of di-isooctyl sulfosuccinate

[0051] Aromatics S150 make up to 100 parts.

Embodiment 2

[0052] Formulation example 2: 23.5% cyhalofop-methyl · saponin · fluroxypyr isooctyl wettable powder (15:7.5:1)

[0053] Cyhalofop-ethyl 15 parts by weight

[0054] Saponin 7.5 parts by weight

[0055] 1 part by weight of fluroxypyr isooctyl

[0056] Wetting agent sodium lauryl sulfate 1.5 parts by weight

[0057] Dispersant alkyl naphthalene sulfonate 7 parts by weight

[0058] Dispersant lignosulfonate 2 parts by weight

[0059] Silica 2 parts by weight

[0060] Kaolin is added to 100 parts by weight.

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Abstract

The invention discloses an anilofos-containing weeding composition in a rice field and application thereof and relates to the technical field of combinations of pesticides. The weeding composition comprises the following active ingredients: cyhalofop-butyl, anilofos, fluroxypr-mepthyl, wherein a weight ratio of the cyhalofop-butyl to anilofos to fluroxypr-mepthyl is (10-30):(3-15):(2-6). Accordingto application needs, the weeding composition disclosed by the invention can be prepared into missible oil, wettable powder and micro-emulsion. The weeding composition disclosed by the invention is reasonable in component, has synergistic effects on annual weeds in the rice field, and has the effects of widening the herbicide controlling spectrum and reducing the weed resistance risk.

Description

technical field [0001] The invention belongs to the field of agrochemicals, and in particular relates to a herbicidal composition aimed at solving the problem of controlling annual weeds in paddy fields. Background technique [0002] my country has a long history of planting rice and has a vast territory. It is one of the main rice producing countries in the world. In the 1970s and 1980s, chemical herbicides entered my country, which brought good news to China's farmland weed control work, and a large number of laborers were freed from the heavy manual weeding work. However, the development of things has two sides. In the past 25 years, the rapid promotion and long-term repeated use of selective herbicides with the same mechanism of action such as sulfonylureas, amides and synthetic hormones, in the biological selection of these herbicides Under the action, some drug-resistant plants that are not sensitive to various drugs begin to spread rapidly due to the effect of geneti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/14A01N39/04A01N43/40A01P13/00
CPCA01N39/04A01N43/40A01N57/14
Inventor 张国宾钱祥法陈丰喜祁月月
Owner ZHEJIANG TIANFENG BIOLOGICAL SCI
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