Unlock instant, AI-driven research and patent intelligence for your innovation.

Composition containing pyraclonil and pretilachlor

A technology of bisflufenacil and a composition is applied in the field of herbicide preparation and can solve the problems of reduced rice yield, rice death and the like

Pending Publication Date: 2021-11-19
安徽喜田生物科技有限公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing herbicide composition has a certain control effect on weeds, but in the process of use, the rice will also absorb the herbicide, causing the death of the rice itself and reducing the yield of the rice;

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
  • Composition containing pyraclonil and pretilachlor
  • Composition containing pyraclonil and pretilachlor
  • Composition containing pyraclonil and pretilachlor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A composition containing dipacenil and pretilachlor, which is prepared by curing the microcapsule liquid coated with the core material;

[0041] The composition is made by the following steps:

[0042] Step S1: adding the core material and the microcapsule liquid into a stirred tank, stirring for 20 seconds at a rotating speed of 5000 r / min, and then stirring for 15 minutes at a rotating speed of 400 r / min to obtain a mixed solution;

[0043] Step S2: Add the mixed solution into the stirred tank, adjust the pH value to 5, add glutaraldehyde solution, stir for 10 minutes, and keep the temperature at 30°C for 30 minutes, filter and remove the filtrate, and dry the filter cake to prepare get the composition.

[0044] The microcapsule fluid wherein is made by following steps:

[0045] Step A1: Add tetrahydrofuran, acetophenone and phenylmagnesium bromide into the reaction kettle, and react for 4 hours under the conditions of rotation speed of 150r / min and temperature of 50°...

Embodiment 2

[0054] A composition containing dipacenil and pretilachlor, which is prepared by curing the microcapsule liquid coated with the core material;

[0055] The composition is made by the following steps:

[0056] Step S1: adding the core material and the microcapsule liquid into a stirred tank, stirring for 25 seconds at a rotating speed of 5500 r / min, and then stirring for 18 minutes at a rotating speed of 450 r / min to obtain a mixed solution;

[0057] Step S2: Add the mixed solution into the stirred tank, adjust the pH value to 5, add glutaraldehyde solution, stir for 13 minutes, and keep the temperature at 33°C for 35 minutes, filter and remove the filtrate, and dry the filter cake to prepare get the composition.

[0058] The microcapsule fluid wherein is made by following steps:

[0059] Step A1: Add tetrahydrofuran, acetophenone and phenylmagnesium bromide into the reaction kettle, and react for 5 hours under the conditions of rotation speed of 180r / min and temperature of 5...

Embodiment 3

[0068] A composition containing dipacenil and pretilachlor, which is prepared by curing the microcapsule liquid coated with the core material;

[0069] The composition is made by the following steps:

[0070] Step S1: adding the core material and the microcapsule liquid into a stirred tank, stirring for 30 seconds at a rotating speed of 6000 r / min, and then stirring for 20 minutes at a rotating speed of 500 r / min to obtain a mixed solution;

[0071] Step S2: Add the mixed solution into the stirred tank, adjust the pH value to 6, add glutaraldehyde solution, stir for 15 minutes, and keep the temperature at 35°C for 40 minutes, filter and remove the filtrate, and dry the filter cake to prepare get the composition.

[0072] The microcapsule fluid wherein is made by following steps:

[0073] Step A1: Add tetrahydrofuran, acetophenone and phenylmagnesium bromide into the reaction kettle, and react for 6 hours under the conditions of rotation speed of 200r / min and temperature of 6...

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 composition containing pyraclonil and pretilachlor. The composition is prepared by wrapping microcapsule liquid with a core material and performing curing; through microencapsulation treatment of the core material and the microcapsule liquid, the weeding effect of the composition can be more lasting; when the composition is used, weeds in a paddy field absorb chitosan, the chitosan can increase the absorption rate of the weeds to pyraclonil and pretilachlor, and meanwhile after an intermediate 9 on the surface of the chitosan is absorbed by the weeds and paddy rice, the absorption and operation of the pyraclonil and pretilachlor by the paddy rice can be decreased, the metabolism of the pyraclonil and pretilachlor by the paddy rice can be promoted, biochemical activity action targets of the pyraclonil and pretilachlor can be changed, and the harm of the pyraclonil and pretilachlor to the paddy rice is greatly reduced, so that the composition does not affect the paddy rice while killing the weeds.

Description

technical field [0001] The invention relates to the technical field of herbicide preparation, in particular to a composition containing fenpyrafen and pretilachlor. Background technique [0002] Rice cultivation methods are diverse. With the development of society and economy, rice cultivation has begun to develop in the direction of high quality, high efficiency and light simplification. However, due to serious weed damage and incomplete control of malignant weeds, this kind of cultivation has been greatly restricted. Therefore, it is very important to select the appropriate rice herbicide and apply it correctly to ensure the rice yield; [0003] Difenpyril belongs to the oxadiazolone herbicides, and its mechanism of action is an inhibitor of protoporphyrinogen oxidase. It can be used to control annual grass weeds, sedge weeds and broad-leaved weeds and some perennial weeds in rice fields. Weeds; pretilachlor is an amide herbicide, which is suitable for controlling barnyar...

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): A01N43/90A01N37/22A01N25/28A01P13/00
CPCA01N43/90A01N37/22A01N25/28
Inventor 郭晓刚常永军
Owner 安徽喜田生物科技有限公司