Herbicide composition containing nicosulfuron and clopyralid

A technology of nicosulfuron: clopyralid and clopyralid, applied in the field of herbicide compositions containing nicosulfuron and clopyralid, can solve the problems of poor control effect on broad-leaved weeds, etc. Achieve high safety, wide herbicidal spectrum, and remarkable weed control effect

Inactive Publication Date: 2010-01-06
SHANDONG BINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Annual and perennial grass weeds and some broadleaf weeds, but poor control effect on post-emergence monocotyledons and most broadleaf weeds in corn fields

Method used

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  • Herbicide composition containing nicosulfuron and clopyralid
  • Herbicide composition containing nicosulfuron and clopyralid
  • Herbicide composition containing nicosulfuron and clopyralid

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment

[0044][Preparation Example] 6: 70% Nicosulfuron-clopyralid granules (the active ingredient accounts for 5% of the total mass of the preparation)

[0045]

[0046] The active component is weighed, the above-mentioned auxiliary components are added, the components are uniformly mixed through jet milling, and then the mixture is granulated by a granulator to obtain the water-dispersible granule.

Embodiment 1

[0047] Biological Example 1: Field efficacy test for controlling weeds in cornfields

[0048] 1. Test treatment

[0049] (1) 5% nicotine · clopyralid oil suspension (4:1) 40ml / mu

[0050] (2) 5% nicotine·clopyralid oil suspension (4:1) 60ml / mu

[0051] (3) 5% nicotine·clopyralid oil suspension (4:1) 80ml / mu

[0052] (4) 5% Nicotinic acid oil suspension (4:1) 100ml / mu

[0053] (5) 4% nicosulfuron suspension concentrate 67ml / mu

[0054] (6) 75% Clopyralid Water Dispersible Granules 15g / mu

[0055] (7) Clear water control

[0056] The test set 7 treatments, 4 repetitions, a total of 28 treatment plots, each with an area of ​​20m 2 , random block arrangement. 5% nicotinic acid oil suspension (produced by Shandong Binnong Science and Technology Co., Ltd., product of the present invention) is test agent, 4% nicosulfuron suspension and 75% clopyralid water dispersible granule The drug was used as the control drug, and it was set as the blank control (CK) without applying the ...

Embodiment 2

[0069] Biological Example 2: Field efficacy test on controlling weeds in cornfields

[0070] 1. Test treatment

[0071] (1) 2% Nicosulfuron-clopyralid oil suspension (1:1) 200ml / mu

[0072] (2) 31% nicosulfuron-clopyralid oil suspension (30:1) 40ml / mu

[0073] (3) 4% nicosulfuron suspension concentrate 67ml / mu

[0074] (4) 75% Clopyralid Water Dispersible Granules 15g / mu

[0075] (5) Clear water control

[0076] The experiment set up 5 treatments, 4 repetitions, a total of 20 treatment plots, each with an area of ​​20 square meters, arranged in random blocks. (1)~(2) Nicosulfuron-clopyralid oil suspension (produced by Shandong Binnong Technology Co., Ltd.) is the test agent, 4% nicosulfuron suspension and 75% clopyralid The water dispersible granule was used as the control agent, and it was set as the blank control without application of the drug and sprayed with clear water. In the 1-3 leaf stage of corn, and the 3-5 leaf stage of weeds, add 30 kg of water per mu and sp...

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PUM

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Abstract

The invention relates to a herbicide composition containing nicosulfuron and clopyralid, which uses the nicosulfuron and the clopyralid as main active ingredients, wherein the weight ratio of the nicosulfuron to the clopyralid is between 1:30 and 30:1. The herbicide composition has the advantages of low toxicity, weak allergenicity, few damages to human and livestock, broad herbicide controlling spectrum and remarkable weed control strengthening effect and is suitable for preventing and controlling various weeds in fields of various crops, particularly corn fields.

Description

[technical field] [0001] The invention belongs to the field of pesticide herbicides, in particular to a herbicide composition containing nicosulfuron and clopyralid. [Background technique] [0002] At present, the post-emergence herbicide in corn field is mainly nicosulfuron (other name: Yu Nong Le, chemical name: 1-(4,6-dimethyloxypyrimidin-2-yl)-3-(3-dimethyl Carbamoylpyridin-2-ylsulfonyl)urea or 2-(4,6-dimethoxypyrimidin-2-ylaminocarbonylaminosulfonyl)-N,N-dimethylnicotinamide) from Ishihara, Japan Industrial companies develop and produce, and the cost in the market is very high. Nicosulfuron is a systemic conduction herbicide, which can be absorbed by the stems, leaves and roots of plants and conduct rapidly. By inhibiting the activity of acetic acid lactic acid synthase in plants, it can prevent cell division and stop the growth of sensitive plants. Nicosulfuron can control postemergence cornfield [0003] Annual and perennial grass weeds and some broad-leaved weeds,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/40A01P13/00
Inventor 司永兵徐家俊张玉瑞董丽吴艳芳林永朋刘增洪鲁娟尹云吉李治国禹文静张淑红王迪
Owner SHANDONG BINNONG TECH
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