CN106922718A - A kind of cornfield herbicidal and preparation method thereof - Google Patents

Abstract

This invention provides a wheat field herbicide and its preparation method, comprising bensulfuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, pyrifluquinazon, clodinafop-propargyl, an emulsifier, and a wetting agent, wherein the herbicide is prepared by combining the above components. The method of this invention is simple, low-cost, scientifically sound, and has a significant weeding effect on wheat fields. It is environmentally friendly, does not produce herbicide residues, is unlikely to induce herbicide resistance in weeds, can be used long-term, and has a wide range of applications.

Description

A kind of wheat field herbicide and preparation method thereof

technical field

The invention belongs to the technical field of crop herbicides, in particular to a wheat field herbicide and a preparation method thereof.

Background technique

Wheat is the most important food crop in northern my country. The output value and quality of wheat are related to people's livelihood and national food security. The annual wheat planting area in the country is 25 million hectares, mainly concentrated in the Huanghuai Plain and the Yangtze River Basin. Winter wheat is the main one, accounting for about 90%, and the remaining 10% is spring wheat, concentrated in remote or alpine regions.

There are about 30 kinds of weeds in wheat, and the distribution of weeds varies according to the area where the wheat field is planted. Most of the wheat field herbicides currently on the market have many limitations, and also have side effects such as narrow application range, short application period, and drug residues. Therefore need a kind of more effective, safe wheat field herbicide.

Contents of the invention

The object of the present invention is to provide a wheat field herbicide and a preparation method thereof, which has simple technological process, low cost, remarkable herbicide effect, long application period and no residue of medicinal properties.

The present invention provides following technical scheme:

A wheat field herbicide, the parts by weight include: 3-8 parts of tribenuron-methyl, 5-8 parts of chlorophenol, 3-7 parts of nitrophenol, 4-9 parts of 24-D butyl ester, 5 parts of diflufenican -10 parts, clodinafop-propargyl 5-10 parts, emulsifier 3-8 parts and wetting agent 4-10 parts.

Preferably, the parts by weight include: 3-6 parts of tribenuron-methyl, 5-7 parts of chlorophenol, 3-5 parts of nitrophenol, 4-6 parts of 24-D butyl ester, 5- 8 parts, clodinafop-propargyl 5-7 parts, emulsifier 3-6 parts and wetting agent 4-7 parts.

Preferably, the parts by weight include: 6 parts of tribenuron-methyl, 7 parts of chlorophenol, 5 parts of nitrophenol, 6 parts of 24-D butyl ester, 8 parts of diflufenamide, 7 parts of clodinafop-propargyl, emulsified 6 parts of agent and 7 parts of wetting agent.

Preferably, the emulsifier is one or more combinations of fatty alcohol sulfonate, Nongru 500#, Nongru 600#, Nongru 2201, Nongru 8210 and Nongru 8220.

Preferably, the wetting agent is one of alkyl sulfate, alkyl sulfonate, fatty alcohol polyvinyl ether, alkylphenol polyoxyethylene ether, sodium lauryl sulfate and nonionic ethoxylate one or more compositions.

A preparation method of a wheat field herbicide, comprising the steps of:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly;

Step 2: Pour in 400-800ML distilled water and stir evenly.

Preferably, the stirring rate of the step 1 is 80-150r/min.

Preferably, the stirring time of the step 1 is 10-15min.

The beneficial effects of the present invention are:

The emulsifier used in the present invention has good emulsifying performance, is low in cost, is easy to prepare, and has a wide range of material sources, which can reduce the preparation cost of the present invention.

The wetting agent adopted in the present invention can make the prepared herbicide be in liquid state, and can improve the acidity and alkalinity of the soil to a certain extent, and will not cause soil pollution due to rainwater scouring into the soil, and its cost is also low, easy to prepare, and available on the market Wide variety of sources.

The method of the invention is simple, low in cost, scientific and reasonable, has significant weeding effect on wheat fields, has environmental protection effect, does not produce drug residues, is not easy to make weeds resistant to drugs, can be used for a long time and has a wide application range, and is suitable for industrial mass production. .

detailed description

Example 1

A kind of wheat field herbicide, the parts by weight include: 3 parts of tribenuron-methyl, 5 parts of chlorophenol, 3 parts of nitrophenol, 4 parts of 24-D butyl ester, 5 parts of diflufenamide, 5 parts of clodinafop-propargyl , 3 parts of emulsifier and 4 parts of wetting agent.

The emulsifier is a combination of fatty alcohol sulfonate and Nongru 500#, and the wetting agent is a combination of alkyl sulfate and alkyl sulfonate.

The preparation method is as follows:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly at a stirring rate of 80r/min for 10min ;

Step 2: Pour in 400ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 81.3% after one week, and the weed death rate was 81.3% after three weeks. The mortality rate was 96.4%.

Example 2

A wheat field herbicide, the parts by weight include: 8 parts of tribenuron-methyl, 8 parts of chlorophenol, 7 parts of nitrophenol, 9 parts of 24-D butyl ester, 10 parts of diflufenamide, 10 parts of clodinafop-propargyl, 8 parts of emulsifier and 10 parts of wetting agent.

The emulsifier is a combination of Nongru 600# and Nongru 2201, and the wetting agent is a combination of alkylphenol polyoxyethylene ether and sodium lauryl sulfate.

The preparation method is as follows:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly at a stirring rate of 150r/min for 15min ;

Step 2: Pour in 800ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 84.3% after one week, and the weed death rate was 84.3% after three weeks. The mortality rate was 97.8%.

Example 3

A wheat field herbicide, the parts by weight include: 6 parts of tribenuron-methyl, 7 parts of chlorophenol, 5 parts of nitrophenol, 6 parts of 24-D butyl ester, 8 parts of diflufenamide, 7 parts of clodinafop-propargyl, 6 parts of emulsifier and 7 parts of wetting agent.

The emulsifier is the combination of Nongru 8210 and Nongru 8220, and the wetting agent is the combination of sodium lauryl sulfate and nonionic ethoxylate.

The preparation method is as follows:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly at a stirring rate of 100r/min for 12min ;

Step 2: Pour in 600ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 92.3% after one week, and the weed death rate was 92.3% after three weeks. The mortality rate was 98.4%.

Example 4

A wheat field herbicide, the parts by weight include: 3 parts of tribenuron-methyl, 5 parts of chlorophenol, 3 parts of nitrophenol, 4 parts of 24-D butyl ester, 5 parts of diflufenamide, 7 parts of clodinafop-propargyl, 6 parts of emulsifier and 7 parts of wetting agent.

The emulsifier is the combination of Nongru 8210 and Nongru 600#, and the wetting agent is the combination of sodium lauryl sulfate and nonionic ethoxylate.

The preparation method is as follows:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly at a stirring rate of 110r/min for 10min ;

Step 2: Pour in 700ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 93.3% after one week, and the weed death rate was 93.3% after three weeks. The mortality rate was 97.4%.

Example 5

A wheat field herbicide, the parts by weight include: 3 parts of tribenuron-methyl, 5 parts of chlorophenol, 3 parts of nitrophenol, 4 parts of 24-D butyl ester, 5 parts of diflufenamide, 10 parts of clodinafop-propargyl, 8 parts of emulsifier and 10 parts of wetting agent.

The emulsifier is a combination of Nongru 600# and Nongru 8201, and the wetting agent is a combination of alkylphenol polyoxyethylene ether and nonionic ethoxylate.

The preparation method is as follows:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly at a stirring rate of 140r/min for 11min ;

Step 2: Pour in 450ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 86.3% after one week, and the weed death rate was 86.3% after three weeks. The mortality rate was 95.8%.

Example 6

A wheat field herbicide, the parts by weight include: 3 parts of tribenuron-methyl, 5 parts of chlorophenol, 3 parts of nitrophenol, 6 parts of 24-D butyl ester, 8 parts of diflufenamide, 7 parts of clodinafop-propargyl, 6 parts of emulsifier and 7 parts of wetting agent.

The emulsifier is a combination of fatty alcohol sulfonate and Nongru 600#, and the wetting agent is a combination of alkylphenol polyoxyethylene ether and alkyl sulfonate.

The preparation method is as follows:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly at a stirring rate of 90r/min for 10min ;

Step 2: Pour in 600ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 85.3% after one week, and the weed death rate was 85.3% after three weeks. The mortality rate was 93.4%.

Example 7

A wheat field herbicide, the parts by weight include: 3 parts of tribenuron-methyl, 5 parts of chlorophenol, 3 parts of nitrophenol, 4 parts of 24-D butyl ester, 5 parts of diflufenamide, 7 parts of clodinafop-propargyl, 6 parts of emulsifier and 7 parts of wetting agent.

The emulsifier is a combination of fatty alcohol sulfonate and Nongru 8201, and the wetting agent is a combination of nonionic ethoxylate and alkyl sulfonate.

The preparation method is as follows:

Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly at a stirring rate of 100r/min for 14min ;

Step 2: Pour in 500ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 88.3% after one week, and the weed death rate was 88.3% after three weeks. The mortality rate was 96.4%.

Example 8

A wheat field herbicide, the parts by weight include: 3 parts of tribenuron-methyl, 5 parts of chlorophenol, 3 parts of nitrophenol, 4 parts of 24-D butyl ester, 5 parts of diflufenamide, 10 parts of clodinafop-propargyl, 8 parts of emulsifier and 10 parts of wetting agent.

The emulsifier is a combination of fatty alcohol sulfonate and Nongru 500#, and the wetting agent is a combination of alkyl sulfate and alkyl sulfonate.

A preparation method of a wheat field herbicide, comprising the steps of:

Step 1. Mix and stir tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent evenly, the stirring speed is 150r/min, and the stirring time is 15min;

Step 2: Pour in 800ML distilled water and stir evenly.

The prepared herbicide was applied to 2 mu of wheat fields in the same area, the weed growth conditions were similar, and the herbicide usage was 3000ML/mu. The experimental results showed that the weed mortality rate was 89.4% after one week, and the weed death rate was 89.4% after three weeks. The mortality rate was 97.7%.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand the foregoing embodiments The technical solutions described are modified, or some of the technical features are equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. A wheat field herbicide, characterized in that, the parts by weight comprise: 3-8 parts of tribenuron-methyl, 5-8 parts of chlorophenol, 3-7 parts of nitrophenol, 4-9 parts of 24-D butyl ester , 5-10 parts of diflufenican, 5-10 parts of clodinafop-propargyl, 3-8 parts of emulsifier and 4-10 parts of wetting agent. 2. A kind of wheat field herbicide according to claim 1, is characterized in that, the parts by weight comprise: 3-6 parts of tribenuron-methyl, 5-7 parts of chlorophenol, 3-5 parts of nitrophenol, 24- 4-6 parts of D-butyl ester, 5-8 parts of diflufenican, 5-7 parts of clodinafop-propargyl, 3-6 parts of emulsifier and 4-7 parts of wetting agent. 3. A kind of wheat field herbicide according to claim 1, characterized in that, the parts by weight comprise: 6 parts of tribenuron-methyl, 7 parts of chlorophenol, 5 parts of nitrophenol, 6 parts of 24-D butyl ester, 8 parts of diflufenican, 7 parts of clodinafop-propargyl, 6 parts of emulsifier and 7 parts of wetting agent. 4. A kind of wheat field herbicide according to any one of claims 1-3, characterized in that, the emulsifier is fatty alcohol sulfonate, agricultural milk 500#, agricultural milk 600#, agricultural milk 2201, agricultural milk One or more compositions of milk 8210 and agricultural milk 8220. 5. A kind of wheat field herbicide according to any one of claims 1-3, characterized in that, said wetting agent is alkyl sulfate, alkyl sulfonate, fatty alcohol polyvinyl ether, alkylphenol Compositions of one or more of polyoxyethylene ether, sodium lauryl sulfate, and nonionic ethoxylates. 6. the preparation method of a kind of wheat field herbicide described in any one of claim 1-3 is characterized in that, comprises the steps: Step 1. Mix tribenuron-methyl, chlorophenol, nitrophenol, 24-D butyl ester, diflufenican, clodinafop-propargyl, emulsifier and wetting agent and stir evenly; Step 2: Pour in 400-800ML distilled water and stir evenly. 7. The preparation method of a kind of wheat field herbicide according to claim 6, characterized in that, the stirring speed of said step 1 is 80-150r/min. 8. the preparation method of a kind of wheat field herbicide according to claim 6, is characterized in that, the stirring time of described step 1 is 10-15min.