Weeding composition containing halosulfuron-methyl and fluroxypyr

A technology of fluroxypyr and fluroxypyr, which can be used in herbicides, algicides, biocides, animal repellents, etc., and can solve the problem of poor drug efficacy and the control effect of ash quinoa and Cyperus radix To achieve the effect of significant control effect, reduce the amount of spraying, and delay the intensification of resistance

Inactive Publication Date: 2015-07-01
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although chlorpyrazosulfuron-methyl can be used to control most broad-leaved weeds and Cyperus in corn and sugarcane fields, it is less effective against field bindweed, purslane, red thistle, and sorrel
Fluroxypyr is effective against most broad-leaved weeds, but poor against ash quinoa and Cyperus

Method used

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  • Weeding composition containing halosulfuron-methyl and fluroxypyr
  • Weeding composition containing halosulfuron-methyl and fluroxypyr
  • Weeding composition containing halosulfuron-methyl and fluroxypyr

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This example provides a formula composition of clopyrazosulfuron-fluroxyrpyr water-dispersible granules with an active ingredient content of 80%. Its components include 60% clopyrazosulfuron-methyl, 20% fluroxypyr, 2% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 2% diffusing agent NNO ( Alkyl naphthalene sulfonate formaldehyde condensate), 1% pull open powder BX (sodium dibutyl naphthalene sulfonate), 1% K-12 (sodium lauryl sulfate), 1% carboxymethyl cellulose, 3 % safener MON13900, diatomaceous earth supplemented to 100% by weight. The above raw materials are prepared through the conventional method for preparing water-dispersible granules, ie, mixing, ultrafine airflow pulverization, mixing, and granulating steps to prepare water-dispersible granules with an active ingredient content of 80% chlorpyrazosulfuron-fluroxypyr.

Embodiment 2

[0026] This example provides a formula composition of clopyrazosulfuron-fluroxyacetic acid water-dispersible granules with an active ingredient content of 40%. Its each component comprises 20% chlorpyrazosulfuron-methyl, 20% fluroxypyr, 4% TERSPERSE 2700 (polycarboxylate, produced by U.S. Huntsman Company), 2% diffusing agent NNO ( Alkyl naphthalene sulfonate formaldehyde condensate), 2% pull open powder BX (sodium dibutyl naphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 3% corn starch, 5% ammonium sulfate , 1% safener MON13900, and attapulgite make up to 100% by weight. The above raw materials are prepared through the conventional method for preparing water-dispersible granules, ie, mixing, ultrafine airflow pulverization, mixing, and granulating steps to prepare water-dispersible granules with an active ingredient content of 40% chlorpyrazosulfuron-fluroxypyr.

Embodiment 3

[0028] This example provides a formula composition of clopyrazosulfuron-fluroxyrpyr wettable powder with an active ingredient content of 55%. Its components include 5% chlorpyrazosulfuron-methyl, 50% fluroxypyr, 4% calcium lignosulfonate, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.) by weight percentage. ), 2% pull open powder BX (sodium dibutyl naphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 0.3% safener MON13900, 3% white carbon black, light calcium supplemented to 100% parts by weight. The above-mentioned raw materials are mixed and air-jet pulverized to obtain a wettable powder with an active ingredient content of 55% chlorpyrazosulfuron-fluroxyrpyr.

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Abstract

The invention discloses a weeding composition containing halosulfuron-methyl and fluroxypyr. The effective ingredients of the weeding composition are composed of halosulfuron-methyl and fluroxypyr or ester compounds thereof, wherein the amount of the fluroxypyr ester compounds is determined by being converted into the amount of fluroxypyr, and the weight ratio of halosulfuron-methyl to fluroxypyr is 1:10 to 5:1. The composition disclosed by the invention can be prepared into a suspending agent, water dispersible granules, wettable powder or a dispersible oil suspending agent allowed to be used in the agriculture. The composition disclosed by the invention is reasonable in component screening, remarkable in synergistic effect, capable of expanding a herbicide controlling spectrum and reducing a pesticide application cost, good in safety to corn and sugarcane, capable of improving prevention and treatment effects on weeds in corn and sugarcane fields, and especially suitable for preventing and removing weeds such as field bindweed, chenopodium glaucum, purslane, amaranthus retroflexus, tropic ageratum herb, piemarker and cyperus rotundus.

Description

technical field [0001] The invention belongs to the technical field of compound pesticides, and in particular relates to a herbicidal composition for corn and sugarcane fields, the herbicidal active ingredients of which are composed of chlorpyrazosulfuron-methyl, fluroxypyr or their ester compounds. Background technique [0002] my country is a large agricultural country, with a wide area of ​​corn planting, and it is planted all over the country. Sugarcane is planted in a large area in Guangxi, Guangdong, Yunnan, Hainan, Fujian and other places. Weeds are common in cornfields and sugarcane fields, and there are many kinds of weeds, mainly broad-leaved weeds such as retroflexus, quinoa, bindweed, black nightshade, cocklebur, commelina, and amaranth; grass miscellaneous Grass such as crabgrass, foxtail, goosegrass, bermudagrass, etc.; Cyperaceae weeds such as Cyperus cyperus. Weeds compete with crops for water, nutrients, light and space, affecting the normal growth of crop...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/40
Inventor 刘亚强李明甫张仙郑敬敏马强冯建雄张崇斌乌小瑜
Owner SHAANXI SUNGER ROAD BIO SCI
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