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Post-emergence compound herbicide containing topramezone, clopyralid and atrazine for corn

A technology of clopyralid and oxentrazone, which is applied in the field of pesticides, can solve the problems of atrazine's long-lasting effect, harmfulness, and crop residues in the next stubble, and achieve remarkable weeding effects, environmental friendliness, and good application prospects Effect

Active Publication Date: 2015-12-02
ANHUI FENGLE AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the long-lasting effect of atrazine, it is harmful to sensitive crops such as wheat, soybeans, and rice, which last for 2-3 months; but if the amount of atrazine is too large, there will be residues on the next crops. Harmful

Method used

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  • Post-emergence compound herbicide containing topramezone, clopyralid and atrazine for corn
  • Post-emergence compound herbicide containing topramezone, clopyralid and atrazine for corn
  • Post-emergence compound herbicide containing topramezone, clopyralid and atrazine for corn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: 37% fenfenzone·clopyralid·atrazine dispersible oil suspension concentrate (oxentrazone: clopyralid: atrazine=2:15:20)

[0023] Take 2kg fenfentrazone, 15kg clopyralid, 20kg atrazine, 8kg Pluronic125, 5kg propylene glycol, 8kg xanthan gum, 1kg methylated vegetable oil, and make up to 100kg with water. The dispersible oil suspension is obtained through full mixing and preparation, ball milling, adjustment and packaging.

Embodiment 2

[0024] Example 2: 53% fenflumezone·clopyralid·atrazine suspension concentrate (oxentrazone: clopyralid: atrazine=3:20:30)

[0025] Get 3kg fenfentrazone, 20kg clopyralid, 30kg atrazine, 8kg sodium lignosulfonate (dispersant), 5kg fatty alcohol polyoxyethylene ether (wetting agent), 1kg xanthan gum (thickener) , 2kg polyoxyethylene polyoxypropanol amine ether (defoamer), 5kg ethylene glycol (antifreeze), carrier water 26kg. The suspending agent is obtained through full mixing and preparation, ball milling, adjustment and packaging.

[0026] The suspending agent is obtained through full mixing and preparation, ball milling, adjustment and packaging.

Embodiment 3

[0027] Example 3: 76.5% oxazone-clopyralid-atrazine water-dispersible granules (oxentrazone: clopyralid: atrazine=1.5:30:45=1:20:30)

[0028] Take 1.5kg of fenfentrazone, 30kg of clopyralid, 45kg of atrazine, 7kg of D-425, 5kg of EFW, 5kg of ammonium sulfate, 2kg of polyethylene glycol, and kaolin to make up 100%. granulation, drying and sieving to obtain water-dispersible granules.

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Abstract

The invention discloses a post-emergence compound herbicide containing topramezone, clopyralid and atrazine for corn. The post-emergence compound herbicide is characterized by comprising the active ingredients of the topramezone, clopyralid and atrazine according to the weight ratio of (0.1-70):(0.1-70):(0.1-80). The compound herbicide can be used for preventing and killing not only annual grassy weeds but also broad-leaved weeds and nutgrass flatsedge, is obvious in weeding effect, and has prominent synergistic effect, weeds in the whole crop growth period can be prevented and killed through once herbicide application, afterreap crops cannot be influenced, and the herbicide is ideal.

Description

Technical field [0001] The invention relates to the technical field of pesticides, and specifically relates to a post-emergent corn herbicide containing oxatrione, clopyralid and atrazine. technical background [0002] Corn is both an important food crop and an important feed crop in my country. In recent years, with the development of animal husbandry, food processing, brewing, biodiesel and other industries, the market demand for corn has continued to increase. my country's corn planting area has become the second largest planted crop after rice, and it is still increasing. However, weeds in corn fields are common and of various types, and weed damage is the most serious in the seedling stage of corn. For example, in Huanghuaihai, summer corn weed damage is serious, and the weed damage area accounts for 82% to 96% of the planting area in the region. The area with moderate or higher hazards reaches 64-66%. When corn is damaged by weeds in the seedling stage, the plants w...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01P13/00A01N43/40A01N43/70
Inventor 龚国斌吴永虎贾增坡缪莉王毅
Owner ANHUI FENGLE AGROCHEM
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