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Weeding composition containing topramezone

A herbicidal composition, the technology of fenflumezone, which is applied in the field of pesticides, can solve the problems of fenflumezone and other problems, achieve the effects of reducing the dosage, making up for defects and limitations, and improving the control effect

Inactive Publication Date: 2018-12-07
FOSHAN RUISHENGTONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there are no relevant reports on the compounding of fenflumezone, flumezone-sulam and dicamba

Method used

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  • Weeding composition containing topramezone
  • Weeding composition containing topramezone
  • Weeding composition containing topramezone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: Toxicity determination of the combination of fentrazone, fentrazone-sulam and dicamba on barnyardgrass.

[0022] Test method: The test was carried out under greenhouse conditions. The weed barnyardgrass with the same growth was selected, watered, and the stems and leaves were sprayed after the leaves were dry. After 7 days of treatment, the fresh weight was measured and the control effect was calculated.

[0023] Herbicide combinations were evaluated according to Colby's method. Evaluation criteria: when E-E0>10%, it is synergistic; when -10%≤E-E0≤10%, it is additive; when E-E0<-10%, it is antagonistic effect.

[0024] Table 1 Indoor toxicity determination of fensulfone, flunmetrione sulfentrane and dicamba on barnyardgrass

[0025]

[0026]

[0027] It can be seen from the above table that the combination of fenflumezone, flumezone-sulam and dicamba has obvious synergistic effect on barnyardgrass. The combined use of the three substances can effect...

Embodiment 2

[0028] Example 2: Field control effect of fenfentrazone, fentrazone sulfentrazone and dicamba on barnyardgrass in corn field.

[0029] Test drug:

[0030] Medicament 1: 49% fenflumezone·flumezone-sulam·dicamba wettable powder (15% fenflumezone, 4% fenflumezone-sulam, 30% dicamba, naphthalenesulfonic acid formaldehyde condensate sodium salt 10%, sodium dodecylbenzene sulfonate 12%, kaolin added to 100%).

[0031] Medicament 2: 50% fenflumezone·flumezone-sulfentrame·dicamba water-dispersible granule (5% fenflumezone, 5% flumezone-sulam, 40% dicamba, sodium alkylnaphthalene sulfonate 2 %, sodium lignosulfonate 6%, sodium lauryl sulfate 5%, ammonium sulfate 5%, light calcium carbonate supplemented to 100%).

[0032] Medicament 3: 45% fenflumezone·flumezone-sulam·dicamba suspension concentrate (10% fenflumezone, 5% flumezone-sulam, 30% dicamba, sodium methylnaphthalenesulfonate formaldehyde condensate 4%, xanthan gum 3%, bentonite 5%, agricultural milk 4%, isopropanol 2.5%, wate...

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PUM

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Abstract

The invention provides a weeding composition containing topramezone. The effective ingredient of the weeding composition consists of topramezone, triafamone and dicamba in a weight ratio of (5-15):(4-16):(30-120).

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a herbicidal composition containing fenfentrazone and its application. Background technique [0002] Benfentrazone is a triketone herbicide for post-emergence stem and leaf treatment. It is absorbed through roots, seedlings and leaves, and is transmitted to the top and base of plants to the meristem, inhibiting 4-HPPD and making carotenoids and chlorophyll Inhibition of biosynthesis and disruption of function lead to bleaching of symptoms in germinated sensitive weeds within 2-5 days of treatment and plant death within 14 days. The post-emergence use of fenfentrazone is wide, flexible, and has a broad herbicidal spectrum, controlling annual warm-season gramineous weeds and broad-leaved weeds. It is used to control annual weeds in cornfields, and has good control effect, but it has high cost for single use, which is not conducive to large-scale popularization and application...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N43/66A01N37/40A01P13/00
CPCA01N43/80A01N37/40A01N43/66
Inventor 王金英王金生王涛王海勇张璇李三朵
Owner FOSHAN RUISHENGTONG TECH CO LTD