Topramezone and benzothiazole oxadiazon compounded herbicide

A technology of thiafentrazone and fenflumezone, which is applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve the problems of reducing the cost of herbicide use and limited selection of herbicides, and achieves the goal of controlling Cost increase, excellent control effect, crop safety effect

Inactive Publication Date: 2021-02-19
JIANGSU DONGBAO AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims at the problem that there are many kinds of weeds in the corn field and the selection of herbicides is limited in the prior art, and provides a herbicide with broad-spectrum herbicidal effect, fenflumezone and fenflumezone compound, so as to achieve high-efficiency broad-spectrum At the same time as the herbicide effect, and reduce the cost of herbicide use

Method used

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  • Topramezone and benzothiazole oxadiazon compounded herbicide
  • Topramezone and benzothiazole oxadiazon compounded herbicide
  • Topramezone and benzothiazole oxadiazon compounded herbicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] In this implementation, the active ingredient mass content is firstly prepared to be 30% fenflumezone · fenflumezone suspending agent, and the specific mass components are:

[0014] Mefentrazone 10%

[0015] Benthiazone 20%

[0016] Nonylphenol ethoxylate (NP-9) (dispersion wetting agent) 8%

[0017] Propylene glycol (antifreeze) 1%

[0018] Xanthan gum (thickener) 1%

[0019] Silicone defoamer (SAG612) 2%

[0020] Water (filler) 58%

[0021] Weigh the materials according to the above mass ratio, stir and mix them evenly respectively, and obtain the suspending agent made by the product according to the above ratio through sand mill sand grinding, and use 30 ml / mu, 40 ml / mu, 50 ml / mu for corn field horses Tang, barnyardgrass, retroverted amaranthus, foxtail, goosegrass, purslane, amaranthus and other weeds have a control effect of more than 90%. , the effective ingredient is 40% thiafentrazone oil emulsifiable concentrate to carry out the same piece of corn field w...

Embodiment 2

[0029] In this implementation, we first prepare a wettable powder with an active ingredient mass content of 20% fenflumezone · fenflumezone, and the specific mass components are:

[0030] Mefentrazone 5%

[0031] Benthiazone 15%

[0032] NNO (dispersant) 3%

[0033] Sodium lignosulfonate (dispersant) 7%

[0034] Sodium alkylbenzene sulfonate (humectant) 1%

[0035] Silica (filler) 69%

[0036] The preparation made according to the above ratio is applied to Chinese crabgrass, barnyardgrass, amaranth, foxtail, goosegrass, purslane, iron The control effect of amaranth and other weeds is also above 90%. At the same time, the active ingredient is 15% fenflumezone suspension concentrate at 50 ml / mu, and the active ingredient is 40% fenflumezone oil emulsifiable concentrate at 45 ml / mu. The same piece of cornfield weeding comparative example is implemented, and the weeding effect is shown in Table 4 and Table 5. As can be seen from the herbicide implementation effects in the ta...

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Abstract

The invention relates to a topramezone and benzothiazole oxadiazon compounded herbicide in the technical field of pesticides. The herbicide comprises effective components, auxiliary agents and filler,wherein the effective components comprise topramezone accounting for 1-25% of the total mass of the herbicide and benzothiazole oxadiazon accounting for 1-25% of the total mass of the herbicide, theauxiliary agents account for 2-25% of the total mass of the herbicide, the balance is the filler, and the total mass of the herbicide is 100%. According to the herbicide disclosed by the invention, acombined formula of the topramezone and the benzothiazole oxadiazon is adopted, so that the herbicide has an efficient and broad-spectrum weeding effect, meanwhile, the weeding range is expanded, theweeding effect is improved, the dosage of effective components in the herbicide is less than the dosage of effective components in a single formula, and the weeding cost is reduced.

Description

technical field [0001] The invention relates to the technical field of pesticide formulations, in particular to a herbicide compounded with fenflumezone, which has a broad-spectrum herbicidal effect in a corn field. Background technique [0002] Corn is the main food crop in my country, and the country's corn sown area has been stable at about 450 million mu for many years. Corn planting is widely distributed, and there are two planting methods of spring corn and summer corn. The weed community in the field varies with the local natural conditions and farming characteristics, and can be roughly divided into six weed damage areas: the northeast spring corn field weed damage area, the Huanghuai sea summer corn field weed damage area. The main weeds in the corn field are crabgrass, barnyardgrass, foxtail, goosegrass, amaranth, purslane, amaranth, Cyperus rotundum, etc. [0003] At present, chemical herbicides can be divided into killing herbicides and selective herbicides, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N43/78A01N25/04A01P13/00
CPCA01N25/04A01N43/78A01N43/80
Inventor 孙红军吕井辉南艳周颖童正强黄有中何昭君
Owner JIANGSU DONGBAO AGROCHEM
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