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Weeding composition containing cyhalofop-butyl and bensulfuron-methyl for paddy field

The technology of a herbicidal composition and cyhalofop-ethyl is applied in the direction of herbicides, algicides, biocides, animal repellents, etc., and can solve the problem of low activity of grass weeds, so as to reduce the frequency of application, Long-lasting control effect, safe growth effect

Active Publication Date: 2013-06-26
ADAMA HUIFENG (JIANGSU) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of herbicide is only limited to the control of broad-leaved weeds and sedges in the field, and its activity against grass weeds is very low, and long-term and large-scale use of such herbicides is prone to risk of resistance

Method used

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  • Weeding composition containing cyhalofop-butyl and bensulfuron-methyl for paddy field
  • Weeding composition containing cyhalofop-butyl and bensulfuron-methyl for paddy field
  • Weeding composition containing cyhalofop-butyl and bensulfuron-methyl for paddy field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1. prepares water-dispersible granules (the sum of the raw material parts for preparing pesticides is 100 parts)

[0027] With 78 parts by weight of the active ingredient mixture (35 parts by weight of cyhalofop-ethyl+43 parts by weight of bensulfuron-methyl), 3 parts by weight of sodium lauryl sulfate, 4 parts by weight of polyvinyl alcohol, 3 parts by weight of calcium lignosulfonate and the remaining amount of kaolin.

[0028] 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

[0029] Embodiment 2. preparation of wettable powder (the sum of the raw material parts for preparing pesticides is 100 parts)

[0030] 55 parts by weight of the active ingredient mixture (39 parts by weight of cyhalofop-methyl+16 parts by weight of bensulfuron-methyl), 3 parts by weight of sodium dodecylbenzenesulfonate, 5 parts by weight of sodium sulfonate of alkylnaphthalene formaldehyde condensate , 1 part by weight of glycerin, and the remainder of white carbon black is mixed, and through superfine pulverization, the powder particles reach the fineness requirement, and use a double-helix mixer and a coulter mixer to mix repeatedly to make the product Mix well to prepare the high content dosage form.

Embodiment 3

[0031] Embodiment 3. preparation of granules (the sum of the raw material parts for preparing pesticides is 100 parts)

[0032] With 65 parts by weight of active ingredient mixture (27 parts by weight of cyhalofop-ethyl+38 parts by weight of bensulfuron-methyl), 8 parts by weight of liquid paraffin, 5 parts by weight of polyvinyl alcohol, 2 parts by weight of calcium stearate, For the remaining amount of clay, mix the above materials to obtain 100 parts of powder mixture, add appropriate amount of water, mix with a small kneader, then granulate, granulate with a granulator, dry, and sieve to obtain the preparation.

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PUM

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Abstract

The invention discloses a weeding composition containing cyhalofop-butyl and bensulfuron-methyl for paddy field, which comprises active ingredient a and active ingredient b, wherein the active ingredient a is cyhalofop-butyl, the active ingredient b is bensulfuron-methyl, the weight ratio of the active ingredient a to the active ingredient b is 1-90:90-1; preferably, the weight ratio of the active ingredient a to the active ingredient b is 1-50:50-1, and particularly preferred, the weight ratio of the active ingredient a to the active ingredient b is 1-10:10-1. The active ingredients of the composition account for 11 to 95 percent of the total weight of the composition, and the balance is agriculturally acceptable pesticide adjuvant.

Description

technical field [0001] The invention belongs to the field of agricultural plant protection, and relates to a herbicidal composition with improved performance, in particular to a herbicidal synergistic composition. Background technique [0002] Cyhalofop-ethyl is the only aryloxyphenoxypropionic acid herbicide with high safety to rice. Cyhalofop-ethyl is also a systemic conductive herbicide, which is absorbed by the leaves and leaf sheaths of plants, conducts in the phloem, accumulates in the meristem area of ​​plants, inhibits acetyl-CoA carboxylase, stops fatty acid synthesis, and promotes cell growth The division cannot be carried out normally, the membrane system and other lipid-containing structures are destroyed, and finally the plant dies. The speed of action of cyhalofop-ethyl is relatively slow, and it generally takes 1 to 3 weeks to kill the weeds. In rice, cyhalofop-methyl can be rapidly degraded into a diacid state that is inactive to acetyl-CoA carboxylase, so ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01N39/04A01P13/00A01N25/00
Inventor 仲汉根
Owner ADAMA HUIFENG (JIANGSU) LTD
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