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Enhanced weed-killing composition

A herbicidal composition and a technology for the composition are applied in the directions of herbicides, algaecides, biocides, animal repellants, etc., which can solve the problems of low activity of grass weeds, and achieve good control effect and herbicidal spectrum. wide effect

Active Publication Date: 2009-12-16
ADAMA HUIFENG (JIANGSU) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These herbicides are only limited to the control of broadleaf weeds in the field, and their activity against grassy weeds is very low

Method used

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  • Enhanced weed-killing composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1. prepares water-dispersible granules (the sum of the raw material parts for preparing pesticides is 100 parts)

[0033] When R in the active ingredient b is Na, and X is Br, 85 parts by weight of the active ingredient mixture (70 parts by weight of glyphosate isopropylamine salt+15 parts by weight of bromoxynil sodium salt), 3 parts by weight Polyvinyl alcohol, 4 parts by weight of sodium lauryl sulfate, 3 parts by weight of calcium lignosulfonate and the rest of kaolin.

[0034] After the above ingredients were mixed and ground into a fine powder in a plug-type disc mill, the powder was granulated in a fluidized bed by spraying water as the granulating liquid.

Embodiment 2

[0035] Embodiment 2. preparation of wettable powder (the sum of the raw material parts for preparing pesticides is 100 parts)

[0036] When R in the active ingredient b is K, and X is I, 75 parts by weight of the active ingredient mixture (60 parts by weight of glyphosate isopropylamine salt+15 parts by weight of bromoxynil potassium salt), 6 parts by weight Alkyl naphthalene formaldehyde condensate sodium sulfonate, 3.5 parts by weight of sodium dodecylbenzene sulfonate, 0.2 parts by weight of glycerol, and the rest of white carbon black are mixed, and the powder reaches the fineness requirement by ultrafine grinding , and use a double-screw mixer and a coulter mixer to mix the product for many times to make the product mix evenly, thereby making the high-content dosage form.

[0037] When R in the active ingredient b is Na, and X is Br, the above wettable powder can also be obtained in the following manner: the active ingredient mixture of 65 parts by weight (29 parts by wei...

Embodiment 3

[0038] Embodiment 3. Preparation of soluble powder (the sum of the raw material parts for preparing pesticides is 100 parts)

[0039] When R in the active ingredient b is Na, and X is Br, 90 parts by weight of the active ingredient mixture (72 parts by weight of glyphosate isopropylamine salt+18 parts by weight of bromoxynil sodium salt), 2 parts by weight of Fatty alcohol polyoxyethylene ether (as adhesive), 3 parts by weight of alkyl sulfonate (as dispersant), 0.5 parts by weight of sodium sulfate (as cosolvent), the rest of the white carbon black, by mixing Afterwards, processes such as jet milling are carried out to obtain the mixture.

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Abstract

The invention provides an enhanced weed-killing composition, which comprises two active ingredients: an active ingredient a and an active ingredient b. The active ingredient a is glyphosate or a salt compound of the glyphosate and the active ingredient b is a compound having a structure which is represented by a formula (1), wherein R is H, Na, K or -C(O)-Z, Z is C3 to C7 alkyl and X is Br or I; and the weight ratio of a to b is 1-90:90-1. The active ingredient b is optimally bromoxynil (also known as 3,5-dibromo-4-hydroxy-benzonitril, bromoxynil-octanoate or bromoxynil-enantate) or a salt of the bromoxynil, or optimally ioxynil (also known as 3,5-diiodo -4-hydroxy- ioxynil, ioxynil-octanoate or ioxynil-enantate) or a slat of the ioxynil.

Description

technical field [0001] The invention belongs to the field of agricultural plant protection, and relates to a herbicidal composition with improved performance, especially a herbicidal synergistic composition. Background technique [0002] Glyphosate is a systemic conduction chronic broad-spectrum herbicide that mainly inhibits enolpyruvyl shikimelin phosphate synthase in plants, thereby inhibiting the conversion of shikime to phenylalanine, tyrosine and tryptophan. Transformation, which interferes with protein synthesis leading to plant death. Glyphosate is absorbed by the stems and leaves and then transmitted to various parts of the plant. It can control more than 40 families of plants such as monocots and dicotyledons, annuals and perennials, herbs and shrubs. Glyphosate quickly combines with metal ions such as iron and aluminum to lose its activity after entering the soil, and has no adverse effects on the seeds and soil microorganisms hidden in the soil. Bromoxynil or i...

Claims

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Application Information

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IPC IPC(8): A01N57/20A01N37/40A01P13/00
Inventor 仲汉根
Owner ADAMA HUIFENG (JIANGSU) LTD
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