Safener used for protecting grain crops and application of safener

A technology for a safener and a crop, applied in the field of weed control, can solve the problems of reducing the effective components of acetochlor, affecting the normal growth of crops, unsatisfactory weeding effect, etc., so as to improve the control effect, facilitate the weeding and control effect, and prevent harsh extremes. effect of weather

Active Publication Date: 2019-09-17
湖南大方农化股份有限公司
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The application of herbicide safeners such as fenpyridine and pyraclofen-ethyl is very extensive, but the effect is not ideal. Often the application of herbicides after adding these safeners will still cause varying degrees of impact on food crops. When the herbicides are used alone Or combined with safener to use herbicides, herbicides such as acetochlor, acetochlor mixed with other closed herbicides (acetochlor mixture), etc., the use of closed herbicides in the early stage of food crops will not cause phytotoxicity in most cases , but encountering extreme weather, such as long-term rainy and sudden sunny weather, or long-term sunny and sudden rainy and sunny weather, etc., are very prone to phytotoxicity, the main reason is: long-term rainfall, acetochlor and acetochlor mixture will The sinking and the drop of the field water level, the herbicide contacts the root system of food crops during the sinking process, causing damage to the root system of food crops and affecting the normal growth of crops, the active ingredient of acetochlor on the soil surface is reduced, and the weeding effect is not ideal

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Safener used for protecting grain crops and application of safener
  • Safener used for protecting grain crops and application of safener
  • Safener used for protecting grain crops and application of safener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The safener is thiram microcapsule suspension, which is used in combination with the safener and the seed dressing agent. The outdoor test on the safety of weeding rice after seed dressing:

[0055] For field processing, select the flat and fertile field, level the field and divide it into evenly-sized plots, set up isolation belts around the plots, and number each plot for later use.

[0056] For seed treatment, the rice variety Shanyou 63 was germinated, and the 98% thiram dose gradient was designed to be 5, 10, 20, 40, 80, 160, 320g, 25% Thiamethoxam·Metalaxyl·Role per 100kg of seeds The amount of bacteronitrile seed dressing agent is 300g, and a series of different concentrations of thiram and seed dressing agent are mixed with 2kg of water. When mixing, first dilute the safener thiram with water, and then add the seed dressing agent to dilute Stir thoroughly in the solution, and then stir with the seeds after the germination. Before stirring, spread the seeds after the ...

Embodiment 2

[0073] The safener is thiram suspension seed coating agent, which is used in combination with the safener and seed dressing agent, and the field test results of using herbicides to control weeds in direct seeding rice fields:

[0074] Cell setting: The experiment has 7 treatments, and each treatment is repeated 3 times. The plot area is 20 square meters, arranged in random block groups.

[0075] Application method: the safener thiram sodium suspension seed coating agent and seed dressing agent are used for seed dressing, the application amount of the safener thiram sodium is 60g / 100kg, and the dosage of the seed dressing agent 25% thiamethoxam·metalaxyl·fludioxonil For the control group, no safener was used. The first herbicide was sprayed with 30% pretilachlor EC60, 80, 100, 120, 140g / mu in the five treatment groups, and the control agent was 30% safat 80g / mu. For the second herbicide, 69 g / L of fenoxaprop-p-ethyl 30 kg / mu was used.

[0076] Seed dressing method: 1. First dissolve...

Embodiment 3

[0085] The safener is a thiram seed treatment suspension, the safener and the seed dressing are used in combination, and the herbicide is used to control the weeds in the direct seeding rice field. Field test results

[0086] Cell setting: The experiment has 7 treatments, and each treatment is repeated 3 times. The plot area is 20 square meters, arranged in random block groups.

[0087] Application method: Seed dressing of thiram and seed dressing, the dosage of safener thiram is 40g / 100kg, the dosage of 25% thiamethoxam, metalaxyl, fludioxonil is 300g, the control group does not Use safeners, the first herbicide was sprayed with 30% pretilachlor EC100g / mu, and the second herbicide was 69 g / L oxazepop-p-ethyl 20, 35, 50, 65, 80 kg / mu five treatments In the group, the control agent used 69 g / L of refined oxazoprop-p-ethyl water emulsion 35 kg / mu.

[0088] Seed dressing method: 1. First dilute the safener according to the ratio of 2kg / 100kg seed weight of water, then add the seed dre...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a safener used for protecting grain crops and an application of the safener. The safener comprises a synthestic compound which has a structural formula (I) and is used as an intermediate. By using the safener disclosed by the invention, the application ranges of the compounds are effectively widened, if a herbicide is applied after the safener is used for the grain crops, influences of severe extreme weather and particularly sudden fine weather and long-term fine weather or long-term rainfall to the use safety of the herbicide can be effectively avoided, and the safener can effectively protect the root systems of the grain crops, prevent the herbicide from affecting the root systems of the grain crops with the field rainwater submergence and water level reduction, effectively play a role in protecting the grain crops, reduce the influences of the herbicide to the grain crops and conveniently improve the weed control effect.

Description

Technical field [0001] The invention relates to the technical field of weed control, in particular to a safener and application for protecting cereal crops. Background technique [0002] Herbicides are agents that can cause weeds to die completely or selectively. They are also known as herbicides. They are used to destroy or inhibit plant growth. [0003] Among them, sodium chlorate, borax, arsenate, and trichloroacetic acid have a deadening effect on any kind of plant, and its effect is affected by three factors: herbicide, plant and environmental conditions. According to the role of herbicides, there are the following types, which should be selected according to the grass conditions. [0004] (1) Selective herbicides: This kind of herbicides can be used in a certain dose range to selectively kill certain harmful plants, and the crops are safe. The correct use in crop fields can achieve the purpose of killing weeds without harming crops. [0005] (2) Bactericidal herbicides: These ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/32A01N51/00A01N37/46A01N43/36A01N37/22A01N43/76A01P13/00A01C1/06
CPCA01C1/06A01N25/32A01N37/22A01N37/46A01N43/36A01N43/76A01N51/00
Inventor 李旭君刘洪斌
Owner 湖南大方农化股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap