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Cornfield herbicide composition containing nicosulfuron

A technology of nicosulfuron and its composition, which is applied in the field of compound pesticides, can solve the problems of reducing dosage, unsatisfactory broad-leaved weed control effect, and expanding herbicidal spectrum, so as to improve control effect and expand weed control spectrum effect

Active Publication Date: 2014-12-10
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The first object of the present invention is to solve the problem that the binary compound of nicosulfuron, bromoxynil and florasulam can only control broad-leaved weeds under the complicated situation of corn field grass , but the control effect on gramineous weeds and initial broad-leaved weeds is not ideal. While expanding the herbicidal spectrum, reduce the dosage and reduce the cost of control

Method used

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  • Cornfield herbicide composition containing nicosulfuron
  • Cornfield herbicide composition containing nicosulfuron
  • Cornfield herbicide composition containing nicosulfuron

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Weigh 90g nicosulfuron, 150g bromoxynil, 10g florasulam, 20g polycarboxylate, 40g Span-60#, 30g BY-125, 20gTERSPERSE 4894, 15g naphthalenesulfonate, 10g Bentonite, 20g sodium chloride, and corn oil are added to 1000g parts by weight. The above raw materials are mixed, dispersed at 6000r / min high speed shear for 30min, and sand-milled with a sand mill to obtain a dispersible oil suspension concentrate with an active ingredient content of 25% 1000g.

Embodiment 2

[0037] Weigh 5g of nicosulfuron, 10g of bromoxynil, 1g of florasulam, 25g of diffusing agent NNO, 30g of Span-60#, 50g of BY-110, 15g of TERSPERSE 2500 (produced by Huntsman, USA), 10g of magnesium aluminum silicate, 40g of glycerin and soybean oil are added to 1000g by weight. The above raw materials are mixed, dispersed at a high speed of 6500r / min for 20 minutes, and sanded with a sand mill to obtain a dispersible oil suspension with an active ingredient content of 1.6%. Dose 1000g.

Embodiment 3

[0039] Weigh 30g of nicosulfuron, 100g of bromoxynil, 20g of florasulam, 35g of TERSPERSE2020 (produced by Huntsman, USA), 20g of BY-125#, 15g of Tween-60#, 30g of agricultural milk 2201# , 20g agricultural milk 700#, 10gTERSPERSE 2500 (produced by Huntsman Corporation of the United States), 5g white carbon black, 20g propylene glycol, and methyl oleate are added to 1000g parts by weight. The above raw materials are mixed, dispersed at a high speed of 6200r / min for 25 minutes, and sanded with a sand mill to obtain a dispersible oil suspension with an active ingredient content of 15% nicosulfuron-octanoyl bromoxynil and florasulam Dose 1000g.

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Abstract

The invention discloses a cornfield herbicide composition containing nicosulfuron. Active ingredients of the cornfield herbicide composition consist of nicosulfuron, bromoxynil octanoate and florasulam, wherein the nicosulfuron accounts for 0.5-20% of the weight of the composition, the bromoxynil octanoate accounts for 1-30% of the weight of the composition, and the florasulam accounts for 0.1-20% of the weight of the composition. The cornfield herbicide composition disclosed by the invention can be prepared into an agriculturally allowable dispersible oil suspending agent, a suspending agent, a water dispersible granules or wettable powder. The cornfield herbicide composition is reasonable in component compounding, shows a significant synergistic effect, improves the control effect on cornfield weeds, expands the control spectrum of the cornfield weeds, increases the fast-acting property, prolongs the persistence, and reduces the medication cost, and the prepared dosage forms have good corn safety. The composition disclosed by the invention has a relatively good control effect on grassy weeds and broadleaf weeds in a cornfield.

Description

technical field [0001] The invention belongs to the technical field of compound pesticides, and relates to a herbicide composition, in particular to a cornfield herbicide composition containing nicosulfuron, which is suitable for controlling weeds in cornfields. The invention also relates to the preparation and processing technology of the herbicide composition. Background technique [0002] Corn is one of the three major food crops in the world. Weeds in cornfields are common and of various types, mainly broad-leaved weeds such as retroflexus, quinoa, bindweed, nightshade, amaranth, velvetleaf, amaranthus, horse Purslane, cocklebur, commelina, cow chickweed, etc.; Grass weeds such as barnyardgrass, crabgrass, foxtail, goosegrass, bermudagrass, stephenia, etc.; Cyperaceae weeds such as Cyperus cyperus. Weeds compete with corn for water, nutrients, light and space, especially affecting the normal growth of corn seedlings, and even causing severe yield reduction. Corn seedli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N37/40A01N43/90
Inventor 李存治张仙李明甫郑敬敏马强冯建雄乌小瑜张崇斌
Owner SHAANXI SUNGER ROAD BIO SCI
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