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Paddy field weeding composition

A herbicidal composition, a technology for paddy fields, applied in the directions of herbicides, algaecides, biocides, animal repellents, etc. Long lasting effect and rapid effect

Active Publication Date: 2013-05-29
湖南农大海特农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, due to the large-scale use of some herbicide varieties alone, many weeds have developed resistance
At the same time, when weeds occur, the grass phase is complex, grass weeds, broad-leaved weeds, and sedges are mixed, and the use of a single herbicide cannot solve farmland weeds, and all of them will show some defects and problems. limitation

Method used

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  • Paddy field weeding composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Bensulfuron-methyl 2%,

[0029] Penoxsulam 1.5%,

[0030] Cyhalofop-methyl 6.5%,

[0031] Pull open powder 5%,

[0032] NNO 12%,

[0033] Talc 4%,

[0034] Kaolin up to 100%.

[0035] The above formula is roughly pulverized according to the proportion, put into the mixer and mixed evenly, and then jet pulverized to obtain 10% bensulfuron-methyl-penoxsulam-cyhalofop-ester wettable powder.

Embodiment 2

[0037] Bensulfuron-methyl 3%,

[0038] Penoxsulam 2%,

[0039] Cyhalofop-methyl 10%,

[0040] 1601# 15%,

[0041] LS 5%,

[0042] SOPA-270 4%,

[0043] Bentonite 3%,

[0044] Xanthan Gum 0.1%,

[0045] Silicone 0.4%,

[0046] Glycerol 5%,

[0047] Deionized water to 100%.

[0048] The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare 15% bensulfuron-methyl-pentoxsulam-cyhalofop-ester suspension concentrate.

[0049] Preparation method implementation three :

[0050] Bensulfuron-methyl 15%,

[0051] Penoxsulam 10%,

[0052] Cyhalofop-methyl 15%,

[0053] Sodium Lauryl Sulfate 6%,

[0054] Polycarboxylate 4%,

[0055] Sodium Chloride 2%,

[0056] Polyethylene glycol 3%,

[0057] Kaolin up to 100%.

[0058] Dry pulverize, granulate, dry and sieve the above formula according to the proportion to prepare 40% bensulfuron-methyl-penoxsulam-cyhalofop-methyl water-dispersibl...

Embodiment 4

[0060] Bensulfuron-methyl 5%,

[0061] Penoxsulam 5%,

[0062] Cyhalofop-methyl 10%,

[0063] Calcium dodecylbenzenesulfonate 5%,

[0064] Castor Oil Ethoxylates 11%,

[0065] Sodium lignosulfonate 4%,

[0066] Methyl oleate to 100%.

[0067] The above-mentioned materials are pre-crushed in proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare 20% bensulfuron-methyl-pentoxsulam-flubesulfuron-methyl dispersible oil suspension concentrate.

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Abstract

The invention discloses a paddy field weeding composition. The paddy field weeding composition is prepared from the following effective components in weight percentage: 1-10% of bensulfuron methyl, 1-10% of penoxsulam and 1-15% of cyhalofop-butyl, as well as the balance being pesticide adjuvants. The paddy field weeding composition disclosed by the invention has the advantages that after the bensulfuron methyl, the penoxsulam and the cyhalofop-butyl are compounded, a weeding effect is improved and a herbicide controlling spectrum is amplified; the toxin is low and the residue is low; the dosage, the medicine use times and the use cost are obviously reduced; and the effect of the composition is obviously higher than that of each single dosage and the composition is a current novel composition medicament which has good effect on preventing and treating annual weeds of a paddy field.

Description

technical field [0001] The invention relates to a herbicidal composition for paddy fields, which uses bensulfuron-methyl, penoxsulam and cyhalofop-ethyl as active ingredients, and is used for preventing and controlling annual weeds in paddy fields. Background technique [0002] Chemical weeding is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale single use of some herbicide varieties, many weeds have developed resistance. At the same time, when weeds occur, the grass phase is complex, grass weeds, broad-leaved weeds, and sedges are mixed, and the use of a single herbicide cannot solve farmland weeds, and all will show some defects and limitation. Mixing different types of herbicides has the advantages of broad herbicidal spectrum, improving the actual effect, delaying weed resistance, and saving time and labor. [0003] Bensulfuron-methyl, English name: bensulfuron-methyl, chemical name: α-{[(4,6-dimethoxypyrimidin-α-yl)am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/90A01N39/04A01P13/00
Inventor 孟宪秋陈佛祥
Owner 湖南农大海特农化有限公司
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