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Herbicidal composition containing metribuzin and haloxyfop-R-methyl

A technology of high-efficiency haloxyfop-pyl and herbicidal composition, which is applied to herbicides, algicides, biocides, animal repellants, etc., to reduce the risk of resistance, prolong the service life, and improve the control effect

Active Publication Date: 2014-07-23
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the shortcomings of the single use of herbicides, and provide a herbicidal composition with high efficiency, low toxicity, low cost, good quick-acting, and long-lasting effect, which is beneficial to the comprehensive management of weeds in farmland

Method used

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  • Herbicidal composition containing metribuzin and haloxyfop-R-methyl
  • Herbicidal composition containing metribuzin and haloxyfop-R-methyl
  • Herbicidal composition containing metribuzin and haloxyfop-R-methyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Toxicity determination of high-efficiency haloxyfop-p-methyl and metrimetrione and their mixtures on barnyardgrass at the 4-leaf stage.

[0020] Table 1 The dose-response regression relationship of high-efficiency haloxyfop-p-methyl and metrizone and their mixtures on barnyardgrass at the 4-leaf stage.

[0021]

[0022]

[0023] figure 1 is the isobologram of the synergistic effect of the mixture of high-efficiency haloxyfop-p-methyl and metrizone on barnyardgrass at the 4-leaf stage ( figure 1 The drawing refers to NY / T1155.7-2006, and the drawing data comes from Table 1). figure 1 Middle: A is the dose of metrizone (g a.i. / hm 2 ), metrizone ED 90 Value 103.36. B is the dose of high-efficiency haloxyfop-pyl (g a.i. / hm 2 ), high-efficiency fluroxyfop ED 90 Value 18.27. C is the measured equivalent prediction line of each proportion, and D is the theoretical equivalent line.

[0024] Depend on figure 1 It is known that the high-efficiency haloxy...

Embodiment 2

[0025] Example 2: Toxicity determination of high-efficiency haloxyfop-p-methyl and metrizone and their mixture on crabgrass at the 4-leaf stage.

[0026] Table 2. Regression relationship of the dose-response of high-efficiency haloxyfop-p-methyl and mecitrione and their mixture on the 4-leaf stage crabgrass.

[0027]

[0028]

[0029] figure 2 The isobologram of the synergistic effect of the mixture of , high-efficiency haloxyfop-methyl and metrizone on the 4-leaf stage crabgrass ( figure 2 The drawing refers to NY / T1155.7-2006, and the drawing data comes from Table 2). figure 2 Middle: A is the dose of mecitrione (g a.i. / hm2, the ED90 value of mecitrione is 103.85. B is the dose of high-efficiency haloxyfop (g a.i. / hm2), and the ED90 value of high-efficiency haloxyfop is 38.86. C is The measured equivalent prediction line of each proportion, D is the theoretical equivalent line.

[0030] Depend on figure 2 It is known that the high-efficiency haloxyfop-methyl an...

Embodiment 3

[0031] Example 3: (70% mecitrione · high-efficiency haloxyfop water-dispersible granules).

[0032]

[0033] Put the above materials together into the conical mixer and mix evenly, and then pulverize through the jet mill, and then mix the pulverized materials through the conical mixer. Knead into a plastic material, and finally put the material into an extrusion granulator to extrude and granulate. After granulation, dry and sieve to obtain 70% mecitrione·haloxyfop water-dispersible granules .

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Abstract

The invention relates to a herbicidal composition containing metribuzin and haloxyfop-R-methyl. The effective components of the herbicidal composition are metribuzin and haloxyfop-R-methyl in a weight part ratio of 30:1-1:30. According to the invention, the metribuzin and haloxyfop-R-methyl compounded composition has an obviously increased effect on barnyard grass and crabgrass, has an improved herbicidal effect, expands the herbicidal spectrum, and is suitable for preventing and killing off annual weed in potato field, tomato field and soybean field.

Description

technical field [0001] The invention belongs to the technical field of agricultural weeding, and specifically relates to a herbicidal composition with metrizone and high-efficiency haloxyfop as active ingredients, which is suitable for controlling annual weeds in potato fields, tomato fields and soybean fields. Background technique [0002] With the phase-out of highly toxic pesticides, new pesticides with high efficiency, low toxicity, safety, and environmental friendliness are needed. At the same time, the long-term use of pesticides has resulted in the resistance of pests and weeds, and the requirements for control chemicals are getting higher and higher. It is necessary for pesticide research and development personnel to develop efficient and safe new agents to meet the control requirements. Since the development of pesticides in my country has just started, and the varieties of pesticides with independent intellectual property rights cannot meet the needs, the developme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/707A01P13/00A01N43/40A01N43/60
Inventor 王礼文张志伟朱刚陈佛祥吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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