CN101884336A - Nicosulfuron and fluoroglycofen-ethyl compounded formula - Google Patents
Nicosulfuron and fluoroglycofen-ethyl compounded formula Download PDFInfo
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- CN101884336A CN101884336A CN2010102384597A CN201010238459A CN101884336A CN 101884336 A CN101884336 A CN 101884336A CN 2010102384597 A CN2010102384597 A CN 2010102384597A CN 201010238459 A CN201010238459 A CN 201010238459A CN 101884336 A CN101884336 A CN 101884336A
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- nicosulfuron
- fluoroglycofen
- ethyl
- oil
- grass
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Abstract
Th invention provides a nicosulfuron and fluoroglycofen-ethyl compounded formula, which is a post-emergence herbicide for a corn field and is characterized by being prepared by the following components: 1.0-8.0% of nicosulfuron and 0.1-10.0% of fluoroglycofen-ethyl. The formula improves the effective component content to the maximum, enlarges insecticidal spectrum, makes up for the defects of low broadleaf weed control effect and slow response of the nicosulfuron, and prevents phytotoxicity caused by spray drift when other hormone herbicides ( such as 2-4,D and the like) are mixed with the nicosulfuron for use.
Description
Technical field
The present invention relates to the weed killer herbicide that uses on a kind of agricultural, a kind of specifically complex weedicide--nicosulfuron-fluoroglycofen-ethyl that is used for behind the corn field seedling.
Technical background
(1) the corn field herbicide after seedling mainly is that (other titles: Yu Nongle, cigarette sulphur swell nicosulfuron at present.)
Chemical name: 2-(4,6-dimethoxypyridin-2-base carbamyl aminosulfonyl)-N, the N-dimethyl nicotinamide
Molecular structure:
Common formulation: 4% suspending agent, 10%WP, 75%WDG, 95%TC
Nicosulfuron is a systemic herbicide, can be weeds cauline leaf and root and absorb, in plant corpus, conduct subsequently, cause sensitive plant growth retardation, cauline leaf chlorisis, withered gradually, death in 20-25 days generally speaking, but under the lower situation of temperature, some perennial weed is needed the long time.Can prevent and kill off annual and perennial grassy weed, part broad leaved weed, but poor to the unifacial leaf behind the corn field seedling and most of broad leaved weed preventive effect.
(2) fluoroglycofen-ethyl
Chinese adopted name: fluoroglycofen-ethyl
English common name: Fluoroglycofen
Trade name; Wealthy hoe
Chemical name:
O-[5-(a-three fluoro-are right for 2-chloro-a, a-toloxyl)-the 2-nitro benzoyl] the hydroxyl ethyl acetate molecular structure:
Former medicine quality: 〉=90%
Preparation: 15%, 20% missible oil 10%,
This product belongs to diphenyl ether herbicide, is the mould inhibitor of protoporphyrin oxidation, and this product is in case by plant absorbing, only just bring into play under illumination condition and render a service.This compound reacts with mol-chloric, generates the compound tetrapyrrole that plant cell is had toxicity, gathers and has an effect.Gather in the process, make the plant cell membrane complete obiteration, cause the cell inclusion seepage then.Can effectively prevent and kill off common annual broadleaf weed, as kitchen garden, Amaranthus retroflexus, little lamb's-quarters, green amaranth, piemarker, feather cockscomb etc., excellent its given prominence to the kitchen garden preventive effect.
[summary of the invention]
Technical problem to be solved by this invention provides a kind of to unifacial leaf behind the corn field seedling and the good herbicidal composition that contains nicosulfuron and fluoroglycofen-ethyl of broad leaved weed preventive effect, with remedy nicosulfuron after to the corn field seedling unifacial leaf and most of broad leaved weed preventive effect difference and take effect slow sorry.
The present invention contains the herbicidal composition of nicosulfuron and fluoroglycofen-ethyl, it is characterized in that its active component is the binary mixture of the composition of nicosulfuron and fluoroglycofen-ethyl.Wherein the content of nicosulfuron is between 1.0%-8.0%, the content of fluoroglycofen-ethyl between 0.1%-10.0% all at the row of this invention.
The mechanism of action difference of two kinds of active ingredients of herbicidal composition of the present invention is killed grass spectrum difference.Synergy mutually between them has enlarged and has killed the grass spectrum, and the resistance of weeds reduces, and instant effect is to succession crop safety.
The present composition can be processed into conventional formulation according to preparation production method conventional on the Pesticide Science as A oil suspending agent (OF), B wetting powder (WP), C water dispersible granules (WG), D granula (GR) or E tablet (TA).The preferred dosage form of the present invention is oil suspending agent and wetting powder.Therefore the present invention further relates to the various preparations and the preparation method of above-mentioned herbicidal activity composition.
Now details are as follows with preparation of the present invention and wherein each kind of composition:
A: the high dispersive that oil-suspending agent (OF) active component forms in non-water system dispersion medium, stable suspension system.Oil-suspending agent of the present invention is made up of active component, vegetable oil or mineral oils solvent and emulsifier, wetting agent, dispersant, wherein wetting agent and dispersant can require to select to add or do not add according to preparation, also only interpolation is wherein a kind of, and wherein the plant oil solvent can be corn oil, soya-bean oil, cottonseed oil, palm oil, cocoa butter, rapeseed oil, Semen Ricini oil, turpentine oil, enriching vegetable oil, sunflower wet goods; Mineral oil can be the paraffin series wet goods.Emulsifier can be the compound of one or more anion and multiple non-ionic surface active agent, also can be the compound of one or more anion surfactants, also can be the compound of one or more non-ionic surface active agents.Non-ionic surface active agent such as alkyl divide polyethenoxy ether class, benzyl divides polyethenoxy ether class, benzylbiphenyl phenol polyethenoxy polyoxypropylene ethers, phenethyl divides polyoxy vinethene and similar kind, fatty alcohol-polyoxyethylene ether and analog, the anhydro sorbitol fatty acid ester, the alkylphenol-polyethenoxy polyethenoxy ether, anion surfactant such as alkylbenzenesulfonates such as polyoxyethylene alkyl amine, alkyl benzene sulfonate calcium salt, the alkyl sulfonic acid alkylnaphthalene sulfonate, aliphatic alcohol sulfate, alkyl phosphoric acid fat and similar kind thereof, aliphatic acid polyethenoxy lipophosphatidic acid ester, alkylphenol polyoxyethylene phosphate and similar kind etc.The non-ionic surface active agent in the emulsifier and the weight ratio of anion surfactant are 1～10: 1, and preferred proportion is 2～8: 1. wetting agent such as lauryl sodium sulfate, JFC etc.Dispersant has sodium lignin sulfonate, NNO etc.The weight ratio of active component is 5～90% in preparation, the weight ratio of emulsifier is 1～20%, and the weight ratio of wetting agent is 0.1～15%, and the weight ratio of wetting agent was 0.1～10% when wetting agent and dispersant used simultaneously, the weight ratio of dispersant is 0.1～10%, and surplus is an oil.
B, wetting powder (WP) are active component evenly to be mixed with solid carrier, dispersant, wetting agent etc. after comminution by gas stream and produce preparation.Described solid carrier is that natural minerals is tired, as silica gel, silicate, talcum, kaolin, lime stone, potter's clay, dolomite, silica gel soil: also can be the synthetic vectors class, as white carbon, precipitated calcium carbonate.Dispersant such as lignosulfonates, naphthalene sulfonic acid-formaldehyde condensation product (comprising dispersant NNO) and alkylphenol polyoxyethylene, formaldehyde condensation products sulphate.Wetting agent has lauryl sodium sulfate, JFC etc.In preparation, the content of active component is 5～90%, and the weight ratio of dispersant is 0.1～15%, and the weight ratio of wetting agent is 0.1～15%, and surplus is a solid carrier.
It is with active component, wetting agent, dispersant, adhesive and disintegrant that C, water dispersible granules (WG) are dry suspending agent (DF) again, forms by the mixing granulation with water.Be used for active component of the present invention, its weight ratio is 5～90%, be used for wetting agent of the present invention and can be one or more of sodium alkyl sulfate, sodium alkyl benzene sulfonate plasma type surfactant, its weight ratio is 0.1～15%, be used for disintegrant of the present invention and can be one or more of starch and derivative, alginic acid and salt and clay, consumption is 0.1～20%; Be used for one or more of formaldehyde condensation products that dispersant of the present invention and adhesive are lignosulfonates, alkylbenzenesulfonate, alkylnaphthalene sulfonate and polycarboxylic acid surfactant, consumption is 2～35% usually.
Administration form is according to the occupation mode of conventional formulation; In all cases, must guarantee that their dispersion is trickle as much as possible and even.
Herbicidal combinations of the present invention is mainly used in management of weeds in the corn field, as lady's-grass, eleusine indica, green foxtail, acalypha copperleaf, kitchen garden etc., but is not limited to above-mentioned weeds.
[beneficial effect]
1, broad weed-killing spectrum.Can be widely used in the land for growing field crops management of weeds, as lady's-grass, eleusine indica, green foxtail, acalypha copperleaf, kitchen garden etc.
2, to the crop safety height.Herbicidal combinations low toxicity of the present invention, low to crop, toxicity to man and livestock, can be under the situation that does not injure crop, the management of weeds of safety.
3, weed control efficacy is remarkable.
4, instant effect, the dead grass time is significantly shorter than singly uses nicosulfuron.
[embodiment]
The present invention describes with the following example.But do not limit the present invention.
[embodiment] 1
Prescription:
Raw material consumption (mass percent)
Nicosulfuron 3.8
Fluoroglycofen-ethyl 0.476
White carbon 9
Auxiliary agent 20
Corn oil 30
Methyl oleate 36.724
Take by weighing active component, add above-mentioned auxiliary element, through the ball milling sand milling to the active ingredient particle diameter less than 3um, promptly get described oil suspending agent.
Learn according to experiment, nicosulfuron and fluoroglycofen-ethyl compounded combination weed killer herbicide are remarkable to annual gramineaes such as the common lady's-grass of corn field, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, acalypha copperleaf and broad leaved weed preventive effect, weeds strain preventive effect and fresh weight preventive effect are all more than 80%, the obvious effect of 3-5 daybreak, basic controlling the crop smothering of corn whole growth phase.
[embodiment] 2
Prescription:
Raw material consumption (mass percent)
Nicosulfuron 3.64
Fluoroglycofen-ethyl 0.91
White carbon 9
Auxiliary agent 20
Corn oil 30
Methyl oleate 36.45
Take by weighing active component, add above-mentioned auxiliary element, through the ball milling sand milling to the active ingredient particle diameter less than 3um, promptly get described oil suspending agent.
Learn according to experiment, nicosulfuron and fluoroglycofen-ethyl compounded combination weed killer herbicide are remarkable to annual gramineaes such as the common lady's-grass of corn field, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, acalypha copperleaf and broad leaved weed preventive effect, weeds strain preventive effect and fresh weight preventive effect are all more than 85%, the obvious effect of 3-5 daybreak, basic controlling the crop smothering of corn whole growth phase.
[embodiment] 3
Prescription:
Raw material consumption (mass percent)
Nicosulfuron 3.48
Fluoroglycofen-ethyl 1.3
White carbon 9
Auxiliary agent 20
Corn oil 30
Methyl oleate 36.22
Take by weighing active component, add above-mentioned auxiliary element, through the ball milling sand milling to the active ingredient particle diameter less than 3um, promptly get described oil suspending agent.
Learn according to experiment, nicosulfuron and fluoroglycofen-ethyl compounded combination weed killer herbicide are remarkable to annual gramineaes such as the common lady's-grass of corn field, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, acalypha copperleaf and broad leaved weed preventive effect, weeds strain preventive effect and fresh weight preventive effect are all more than 90%, the obvious effect of 3-5 daybreak, basic controlling the crop smothering of corn whole growth phase.
[embodiment] 4
Prescription:
Raw material consumption (mass percent)
Nicosulfuron 3.33
Fluoroglycofen-ethyl 1.67
White carbon 9
Auxiliary agent 20
Corn oil 30
Methyl oleate 36.0
Take by weighing active component, add above-mentioned auxiliary element, through the ball milling sand milling to the active ingredient particle diameter less than 3um, promptly get described oil suspending agent.
Learn according to experiment, nicosulfuron and fluoroglycofen-ethyl compounded combination weed killer herbicide are remarkable to annual gramineaes such as the common lady's-grass of corn field, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, acalypha copperleaf and broad leaved weed preventive effect, weeds strain preventive effect and fresh weight preventive effect are all more than 90%, the obvious effect of 3-5 daybreak, basic controlling the crop smothering of corn whole growth phase.
[embodiment] 5
Prescription:
Raw material consumption (mass percent)
Nicosulfuron 3.2
Fluoroglycofen-ethyl 2.0
White carbon 9
Auxiliary agent 20
Corn oil 30
Methyl oleate 35.8
Take by weighing active component, add above-mentioned auxiliary element, through the ball milling sand milling to the active ingredient particle diameter less than 3um, promptly get described oil suspending agent.
Learn according to experiment, nicosulfuron and fluoroglycofen-ethyl compounded combination weed killer herbicide are remarkable to annual gramineaes such as the common lady's-grass of corn field, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, acalypha copperleaf and broad leaved weed preventive effect, weeds strain preventive effect and fresh weight preventive effect are all more than 90%, the obvious effect of 3-5 daybreak, basic controlling the crop smothering of corn whole growth phase.
[embodiment] 6
Prescription:
Raw material consumption (mass percent)
Nicosulfuron 3.08
Fluoroglycofen-ethyl 2.31
White carbon 9
Auxiliary agent 20
Corn oil 30
Methyl oleate 35.61
Take by weighing active component, add above-mentioned auxiliary element, through the ball milling sand milling to the active ingredient particle diameter less than 3um, promptly get described oil suspending agent.
Learn according to experiment, nicosulfuron and fluoroglycofen-ethyl compounded combination weed killer herbicide are remarkable to annual gramineaes such as the common lady's-grass of corn field, barnyard grass grass, eleusine indica, kitchen garden, lamb's-quarters, acalypha copperleaf and broad leaved weed preventive effect, weeds strain preventive effect and fresh weight preventive effect are all more than 90%, the obvious effect of 3-5 daybreak, basic controlling the crop smothering of corn whole growth phase.
Claims (2)
1. the herbicidal composition of nicosulfuron and fluoroglycofen-ethyl is characterized in that its active component is the binary mixture of the composition of nicosulfuron and fluoroglycofen-ethyl.Wherein the content of nicosulfuron is between 1.0%-8.0%, the content of fluoroglycofen-ethyl between 0.1%-10% all at the row of this invention.
2. the herbicidal composition of nicosulfuron according to claim 1 and fluoroglycofen-ethyl is characterized in that: two kinds of active components of described nicosulfuron and fluoroglycofen-ethyl than after composite, can be made formulations such as oil-suspending agent, wetting powder or water dispersible granules according to above-mentioned content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102384597A CN101884336A (en) | 2010-07-23 | 2010-07-23 | Nicosulfuron and fluoroglycofen-ethyl compounded formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102384597A CN101884336A (en) | 2010-07-23 | 2010-07-23 | Nicosulfuron and fluoroglycofen-ethyl compounded formula |
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| Publication Number | Publication Date |
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| CN101884336A true CN101884336A (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102384597A Pending CN101884336A (en) | 2010-07-23 | 2010-07-23 | Nicosulfuron and fluoroglycofen-ethyl compounded formula |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104222147A (en) * | 2014-08-26 | 2014-12-24 | 赵兰 | Special herbicide for monocotyledon weeds and preparation method of special herbicide for monocotyledon weeds |
| CN106386835A (en) * | 2016-08-30 | 2017-02-15 | 枣阳市众成化工有限公司 | Preparation method of wettable powder containing fluoroglycofen ethyl |
-
2010
- 2010-07-23 CN CN2010102384597A patent/CN101884336A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104222147A (en) * | 2014-08-26 | 2014-12-24 | 赵兰 | Special herbicide for monocotyledon weeds and preparation method of special herbicide for monocotyledon weeds |
| CN106386835A (en) * | 2016-08-30 | 2017-02-15 | 枣阳市众成化工有限公司 | Preparation method of wettable powder containing fluoroglycofen ethyl |
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Application publication date: 20101117 |