Maize seedling post compound herbicide containing flufenacet

A technology of flufenacet and herbicide, which is applied in the field of compound herbicides, can solve the problems of uncontrollable weed damage and achieve remarkable weeding effect, environmental friendliness and good application prospects

Active Publication Date: 2011-02-09
ANHUI FENGLE AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it takes a long time for some perennial weeds in the case of low temperature, and the weeds are allowed to grow after application, and the harm of weeds cannot be controlled

Method used

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  • Maize seedling post compound herbicide containing flufenacet
  • Maize seedling post compound herbicide containing flufenacet
  • Maize seedling post compound herbicide containing flufenacet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: prepare the oil suspension concentrate of compound herbicide of the present invention (flufenacet: nicosulfuron=2:1)

[0021] 12% flufenacet · nicosulfuron oil suspension concentrate, 9% refers to the percentage of the two active components of flufenacet and nicosulfuron in the total weight. Take 8kg flufenacet, 4kg nicosulfuron, 8kg Pluronic125, 5kg propylene glycol, 8kg xanthan gum, 1kg methylated vegetable oil, and make up to 100kg with water. The oil suspension is obtained through full mixing and preparation, ball milling, adjustment and packaging.

Embodiment 2

[0022] Embodiment 2: Preparation of the oil suspension of the compound herbicide of the present invention (flufenacet: nicosulfuron=5:1)

[0023] 15% flufenacet · nicosulfuron oil suspension concentrate, 15% refers to the percentage of the two active components of flufenacet and nicosulfuron in the total weight. Take 12.5kg flufenacet, 2.5kg nicosulfuron, 8kg Pluronic125, 5kg propylene glycol, 8kg xanthan gum, 1kg methylated vegetable oil, and make up to 100kg with water. The oil suspension is obtained through full mixing and preparation, ball milling, adjustment and packaging.

Embodiment 3

[0024] Embodiment 3: Preparation of the wettable powder of the compound herbicide of the present invention (flufenacet: nicosulfuron=4:1)

[0025] 60% flufenacet · nicosulfuron wettable powder, 60% refers to the percentage of the two active components of flufenacet and nicosulfuron in the total weight. Take 48kg of flufenacet, 12kg of nicosulfuron, 6kg of dispersant NNO, 3kg of wetting agent K12, and white carbon black to make up to 100kg. Wettable powder is obtained through thorough mixing, jet milling and mixing.

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Abstract

The invention relates to the technical field of pesticides, and discloses a maize seedling post compound herbicide containing flufenacet. The maize seedling post compound herbicide comprises two active components of the flufenacet and nicosulfuron, wherein the weight ratio of the flufenacet to the nicosulfuron is 1-5:1, and preferably, the mass percentage of the flufenacet and the nicosulfuron is10 to 85 percent of the compound herbicide. The compound herbicide not only can prevent the growing of annual grassy weeds in a cornfield, but also can prevent and kill off broad leaved weeds and redcouch grasses, has significant weeding effect and significant synergized action; and one herbicide delivery not only can prevent and kill off weeds in the whole growing time of a crop but also generate no influence on after crops, so the maize seedling post compound herbicide is an ideal herbicide.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a compound herbicide for post-emergence corn. Background technique [0002] Corn is an important food crop and an important feed crop in my country. In recent years, with the development of industries such as animal husbandry, food processing, wine making and biodiesel, the market demand for corn has continued to increase. In 2009, my country's corn planting area reached 28.5 million hectares, ranking third after rice and wheat planting area, and there is still an increasing trend. [0003] Weeds in cornfields are common and of various types. Weed damage to spring corn in Northeast China and summer corn in Huanghuai and Haizhou is serious. The area of ​​weed damage accounts for 82% to 96% of the planting area in this area, and the area of ​​moderate damage is 64% to 66%. Maize seedlings are most seriously damaged by weeds, and weeds have little effect on yield in the middle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/824
Inventor 龚国斌陈克付徐松林黄亮
Owner ANHUI FENGLE AGROCHEM
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