Novel ternary herbicide composition

A herbicide and composition technology, applied in the field of novel ternary herbicide compositions, can solve problems such as phytotoxicity and high toxicity, and achieve the effects of reducing phytotoxicity, assisting crop growth, and reducing costs

Inactive Publication Date: 2015-07-08
NANJING GAOZHENG AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The chemical composition, structure, and physical and chemical properties of each herbicide are different, and their herbicidal ability and range are also different. The existing herbicides are difficult to fully meet the needs of crop growth. At the same time, the current single herbicides are common. Highly toxic, it will cause different degrees of phytotoxicity

Method used

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  • Novel ternary herbicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A new three-component herbicide composition, which is composed of the following substances according to the weight percentage: 8% sodium dimethyltetrachloride, bentazone: 39.4%, fentrazone: 0.6%, capsule material A: 1 %, capsule material B: 1%, auxiliary agent: 13%, defoamer: 0.4%, antifreeze agent: 3%, preservative: 0.2%, thickener: 0.2%, and the rest is water.

[0023] In the above-mentioned novel ternary herbicide composition, the capsule material A adopts polyurethane, and the capsule material B adopts ethylene glycol; the auxiliary agent consists of succinate dispersant and sulfonate emulsifier, which are anionic surfactants, The weight percentages of the succinate anion dispersant and the sulfonate anion emulsifier in the novel ternary herbicide composition are 10% and 3% respectively.

[0024] The preparation process of above-mentioned novel ternary herbicide composition comprises following specific steps:

[0025] 1) Select 0.32kg of fentrazone active drug with...

Embodiment 2

[0031] A new three-component herbicide composition, which is composed of the following substances according to the weight percentage: 12% sodium tetrachloride, bentazone: 13%, fentrazone: 3%, capsule material A: 2 %, capsule material B: 2%, auxiliary agent: 14%, defoamer: 0.4%, antifreeze agent: 3%, preservative: 0.2%, thickener: 0.3%, and the rest is water.

[0032] In the above-mentioned new ternary herbicide composition, the capsule material A adopts urea-formaldehyde resin, and the capsule material B adopts formaldehyde; The weight percentages in the herbicide composition are respectively 10% and 4%.

[0033] The preparation process of above-mentioned novel ternary herbicide composition comprises following specific steps:

[0034] 1) Select 0.063 kg of fentrazone technical drug with a concentration of 95%, add capsule material A according to the above ratio, and mix at 68°C to prepare it into an oil phase;

[0035] 2) Select 0.91kg of the original medicine of dimethyltet...

Embodiment 3

[0042] A new three-component herbicide composition, which is composed of the following substances according to the weight percentage: 8% sodium dimethyltetrachloride, bentazone: 39.4%, fentrazone: 0.6%, capsule material A: 1 %, capsule material B: 1%, additive: 9%, defoamer: 0.4%, antifreeze: 3%, preservative: 0.2%, thickener: 0.2%, and the rest is water.

[0043] In the above-mentioned new three-way herbicide composition, the capsule material A adopts melamine, the capsule material B adopts ethylene glycol, and the auxiliary agent is composed of a quaternary ammonium salt cationic surfactant and a polyoxyalkyl ether nonionic surfactant. , and their weight percentages in the novel ternary herbicide composition are 6% and 3% respectively.

[0044] The remaining features and advantages of this embodiment are the same as those of Embodiment 2.

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Abstract

The invention discloses a novel ternary herbicide composition including effective components of herbicides A, B and C in the weight percentage ratio range of 1-30:1-70:0.1-30. The herbicide A is MCPA sodium, the herbicide B is bentazone, and the herbicide C is carfentrazone ethyl. The novel ternary herbicide composition using the technical scheme has the significantly improved weed control effect, so as to better aid crop growth, and reduce cost and save manpower; at the same time, some effective components in the novel ternary herbicide composition are for prepared into microcapsule suspensions, so as to effectively reduce the occurrence of injury, and further improve the weeding effect, and prolong the therapeutic time.

Description

technical field [0001] The invention relates to a total herbicide preparation, especially a novel ternary herbicide composition. Background technique [0002] In recent years, the direction of pesticide research and development is mainly to reflect the high efficiency, low toxicity, low residue and no pollution of pesticides, which are specifically reflected in the high safety, high biological activity and high selectivity of pesticides. [0003] Among the current herbicides, commonly used herbicides include dimethyltetrachloride, fentrazone and bentazone; among them, dimethyltetrachloride is a phenoxyacetic acid selective hormone herbicide, and the drug passes through the roots, stems and leaves of plants. Absorption can destroy the conduction tissue of dicotyledonous plants, disturb the growth and development, twist the stems and leaves, and swell and thicken the base of the stems or crack. Volatility and action speed are lower and slower than 2,4-D. Sensitive plants will...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01N25/28A01N25/04A01P13/00A01N43/653A01N39/04
Inventor 汪茂勤汪莘杰冯乃林王欣欣
Owner NANJING GAOZHENG AGROCHEM
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