A herbicide composition containing chamomile essential oil and pyrazosulfuron-methyl and its application

A technology of chamomile essential oil and pyrosulfuron-methyl is applied in the directions of herbicides and algicides, applications, biocides, etc., and can solve the problems of difficult to control the harm of various mixed weeds, non-weed biological harm, unfavorable weeding and the like , to achieve good synergy, reduce potential threats, and improve the effect of weed control

Active Publication Date: 2021-09-28
HUNAN AGRI BIOTECH RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past century, herbicides have been used to effectively control many weeds, but the extensive use of chemical agents has also caused a series of problems, such as the emergence of herbicide-resistant weed plants, soil pollution, water quality degradation, and the use of non-weeds. The harm of grass organisms, etc., is not conducive to weeding
It is difficult to control the harm of multiple mixed weeds by using a single herbicide
At present, there is no relevant report about the herbicide composition of chamomile essential oil and pyrazosulfuron-methyl

Method used

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  • A herbicide composition containing chamomile essential oil and pyrazosulfuron-methyl and its application
  • A herbicide composition containing chamomile essential oil and pyrazosulfuron-methyl and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Bioassay Test: Combined Toxicity of Chamomile Essential Oil and Pyrazosulfuron-methyl on Weeds

[0026] 1. Test objects: chickweed and barnyard grass.

[0027] 2. Test method: Refer to the "Indoor Bioassay Test Guidelines for Pesticides NY / T1155.4-2006", using the stem and leaf spray method.

[0028] 3. Statistical analysis of data: Calculate the fresh weight inhibition rate (%) according to the survey statistics.

[0029] Fresh weight inhibition rate P(%)=(control fresh weight-treatment fresh weight) / control fresh weight×100%.

[0030] Combined effect evaluation method:

[0031] Evaluate herbicide joint mode of action (NY / T1155.7-2006) according to Gowing method, its formula is as follows:

[0032] E. 0 =X+Y-XY / 100

[0033] In the formula:

[0034] X is the fresh weight inhibition rate of the target weeds when the chamomile essential oil is used alone at a certain dose;

[0035] Y is the fresh weight inhibitory rate of pyrazosulfuron-methyl to the target weeds w...

Embodiment 2

[0051] The herbicide preparation is prepared according to mass percentage: 10% of chamomile essential oil, 15% of pyrazosulfuron-methyl, 5% of calcium dodecylbenzenesulfonate (emulsifier, dispersant), 5% of alkylphenol formaldehyde resin polyoxyethylene ether (emulsifier, Wetting agent) 5%, soybean oil to 100%, mixed to a uniform liquid phase, 10% chamomile essential oil and 15% pyrazosulfuron-methyl emulsifiable concentrate, namely the herbicidal preparation of the present invention.

[0052] The herbicide preparation obtained in Example 2 is applied to the citrus orchard to prevent and control perennial and annual weeds, 10% chamomile essential oil and 15% pyrazosulfuron-methyl emulsifiable oil by 15 g.a.i / 667m 2 Add water to dilute the spray, and 30 days after spraying, the plant control effect on the total grass is 87.13%, and the fresh weight control effect is 86.40%.

Embodiment 3

[0057] The herbicide preparation is prepared according to mass percentage: 10% of chamomile essential oil, 15% of pyrazosulfuron-methyl, 5% of calcium dodecylbenzenesulfonate (emulsifier, dispersant), 5% of alkylphenol formaldehyde resin polyoxyethylene ether (emulsifier, Wetting agent) 5%, soybean oil to 100%, mixed to a uniform liquid phase, 10% chamomile essential oil and 15% pyrazosulfuron-methyl emulsifiable concentrate, namely the herbicidal preparation of the present invention.

[0058] The herbicidal preparation obtained in Example 3 is applied to the control of annual and perennial weeds in paddy fields, 10% chamomile essential oil and 15% pyrazosulfuron-methyl emulsifiable oil by 15 g.a.i / 667m 2 Add water to dilute the spray, 2 days before transplanting, spray with poisonous soil, 30 days after spraying, the plant control effect on the total grass is 89.02%, and the fresh weight control effect is 87.78%.

[0059] comparative example

[0060] Prepared by mass percen...

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Abstract

The invention discloses a herbicide composition containing chamomile essential oil and pyrazosulfuron-methyl and its application, and belongs to the technical field of herbicides. The active ingredients of the herbicide composition include: chamomile essential oil and pyrazosulfuron-methyl. The invention provides The herbicide composition exhibits a good synergistic effect within a certain proportion range, the herbicidal effect of the composition is significantly improved compared with a single agent, the herbicide spectrum is expanded, and the amount of chemical herbicides is reduced at the same time, and the residue is reduced. The potential threat of pesticides to the environment has also been alleviated; the active components of the composition in the present invention are plant-derived non-toxic components and low-toxic pesticides, and along with the implementation of my country's measures to ban highly toxic and highly toxic pesticides, the compositions of the present invention will It has become one of the most suitable products to replace highly toxic pesticides and has broad application prospects.

Description

technical field [0001] The invention belongs to the technical field of herbicides, in particular to a herbicide composition containing chamomile essential oil and pyrazosulfuron-methyl and an application thereof. Background technique [0002] Herbicides refer to agents that can completely or selectively kill weeds, also known as herbicides, a class of substances used to eliminate or inhibit plant growth. Commonly used herbicides are organic compounds, which can be widely used to control harmful plants such as weeds, shrubs, and trees in farmland, orchards, flower nurseries, grasslands and non-cultivated land, railway lines, rivers, reservoirs, warehouses, etc. Over the past century, herbicides have been used to effectively control many weeds, but the extensive use of chemical agents has also caused a series of problems, such as the emergence of herbicide-resistant weed plants, soil pollution, water quality degradation, and the use of non-weeds. The harm of grass organisms, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/12A01N47/36A01P13/00
Inventor 李祖任柏连阳刘勇波徐晶晶柏浩东彭亚军潘浪邬腊梅
Owner HUNAN AGRI BIOTECH RES CENT
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