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Synergistic weeding composition for preventing and removing weed in paddy field

A herbicidal composition and field weed technology are applied in the directions of chemicals, herbicides and algicides for biological control, application, etc., can solve problems such as poor control effect of field weed resistance and the like, and are beneficial to agriculture. The effect of comprehensive management, reducing dosage and overcoming weed resistance

Active Publication Date: 2013-09-04
湖北中迅长青科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The purpose of the present invention is to solve the problem of drug resistance to farmland weeds in the prior art and the actual control effect is poor, to provide a kind of high-efficiency, low toxicity, good quick-acting and long-lasting effect, which is beneficial to the comprehensive management of farmland weeds Pesticide composition

Method used

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  • Synergistic weeding composition for preventing and removing weed in paddy field
  • Synergistic weeding composition for preventing and removing weed in paddy field
  • Synergistic weeding composition for preventing and removing weed in paddy field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Cyprosulfuron 3%,

[0066] Penoxsulam 2%,

[0067] Cyhalofop-methyl 10%,

[0068] 1601# 15%,

[0069] LS 5%,

[0070] SOPA-270 4%,

[0071] Bentonite 3%,

[0072] Xanthan Gum 0.1%,

[0073] Silicone 0.4%,

[0074] Glycerol 5%,

[0075] Deionized water to 100%.

[0076] The above formula is pre-crushed according to the proportion, and then added to a sand mill for grinding, and then prepared after high-shear mixing to prepare a 15% ciprosulfuron-methyl-pentoxsulam-cyhalofop-ester suspension concentrate.

Embodiment 2

[0078] Cyprosulfuron-methyl 5%,

[0079] Penoxsulam 5%,

[0080] Cyhalofop-methyl 10%,

[0081] Calcium dodecylbenzenesulfonate 5%,

[0082] Castor Oil Ethoxylates 11%,

[0083] Sodium lignosulfonate 4%,

[0084] Methyl oleate to 100%.

[0085] 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% cyprosulfuron-pentoxsulam-flupisulfuron-methyl dispersible oil suspension concentrate.

Embodiment 3

[0087] Cyprosulfuron-methyl 2.0%,

[0088] Penoxsulam 1.5%,

[0089] Cyhalofop-methyl 6.5%,

[0090] Pull open powder 5%,

[0091] NNO 12%,

[0092] Talc 4%,

[0093] Kaolin up to 100%.

[0094] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 10% cyprosulfuron-penoxsulam-cyhalofop-ester wettable powder.

[0095] Preparation method embodiment four :

[0096] Cyprosulfuron-methyl 15%,

[0097] Penoxsulam 10%,

[0098] Cyhalofop-methyl 15%,

[0099] Sodium Lauryl Sulfate 6%,

[0100] Polycarboxylate 4%,

[0101] Sodium Chloride 2%,

[0102] Polyethylene glycol 3%,

[0103] Kaolin up to 100%.

[0104] Dry pulverize, granulate, dry and sieve the above formula according to the proportion to prepare 40% cyprosulfuron-penoxsulam-cyhalofop-methyl water-dispersible granules.

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Abstract

The invention discloses a synergistic weeding composition for preventing and removing weed in a paddy field. The synergistic weeding composition contains 1 to 20wt% of cyclosulfamuron, 1 to 20wt% of penoxsulam and 1 to 30wt% of cyhalofop-butyl as active ingredients. The synergistic weeding composition for preventing and removing weed in a paddy field has weeding effects obviously superior to effects of all single-ingredient weeding agents, has a wide weeding spectrum, improves a real effect, delays herbicide resistance of weed and saves time and labor.

Description

technical field [0001] The invention relates to a synergistic herbicidal composition for preventing and controlling weeds in paddy fields, which uses cyprosulfuron-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] Cyprosulfuron, English name: cyclosulfamuron, chemical...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/90A01N39/04
Inventor 陈佛祥刘鹏冷忠国朱刚张志伟王礼文
Owner 湖北中迅长青科技有限公司
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