CN102217608B - Paddy field herbicide synergistic composition - Google Patents
Paddy field herbicide synergistic composition Download PDFInfo
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- CN102217608B CN102217608B CN 201110200648 CN201110200648A CN102217608B CN 102217608 B CN102217608 B CN 102217608B CN 201110200648 CN201110200648 CN 201110200648 CN 201110200648 A CN201110200648 A CN 201110200648A CN 102217608 B CN102217608 B CN 102217608B
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Abstract
The invention discloses a paddy field herbicide synergistic composition. The composition is characterized by containing pretilachlor and oxadiazon serving as weeding active substances, wherein the weight ratio of the pretilachlor to the oxadiazon is (5-6%):(0.5-30%). The composition can be developed into a relatively novel film expanding oil agent formulation and a general formulation of a paddy field herbicide. The composition of the pretilachlor and the oxadiazon can enlarge the weeding spectrum and effectively prevent and control annular gramineous and broad-leaf weed such as cockspur grass, moleplant seed, paspalum, cyperus difformis, cone alkali grass, eleusine indica, eleocharis parvula, narrow-leaf alisma rhizome, ammannia baccifera, special-shaped grass, cyperus iria, ludwigia prostrata, monochoria vaginalis and the like. The composition is safe to rice, has wide weeding spectrum, good diffusion property and long effect duration and is convenient to use.
Description
Technical field
The present invention is a kind of pesticide herbicide composition, belongs to the pesticidal preparations field.
Background technology
The third careless amine, it is selectivity bud pretreating reagent, belong to the 2-acetyl chloride for the phenyl amines weed killer herbicide, it is cell division inhibitor, a kind of paddy field herbicides special that is mainly used in preventing and kill off grassy weed with high selectivity is used for soil treatment and can prevents and kill off barnyard grass in paddy field, difformed galingale herb, needle spikesedge herb, Monochoria vaginalis, alisma canaliculatum etc.Weed seed absorbs medicament in germination process, root absorbs relatively poor.Paddy rice 4 plant of leaf after the phase can be decomposed into the metabolite that does not have activity of weeding with the third careless amine, but the paddy rice that is germinateing is not decomposed the ability of this product.Usually 3～5d uses before rice transplanting.Relatively poor to the wet paddy rice selectivity of inserting when these product are singly executed, when using with fenclorim, the straight cutting paddy rice there is fabulous selectivity.
The Evil humulone, before the selectivity bud, the bud post-treatment agent can be used in the paddy field, and dry land is used.Absorb by plant plumule, root and cauline leaf, medicament is accumulated in the vigorous growth position after entering plant corpus, suppresses growth, causes weeds to organize perish.The Evil humulone needs to bring into play activity of weeding under the effect of light, but does not influence photosynthetic Hill reaction, but by to protoporphyrin oxidasic inhibition bring into play herbicide effect.To this product sensitivity, the young shoot phase is more responsive from the budding period to the 2-3 leaf phase for weeds.Along with the growth of weeds, effect descends.Have good diffusion, spread apart in the paddy field very soon after the medication of paddy field.The activity of weeding of Evil humulone is than the high 5-10 of nitrofen times, and its effect to cauline leaf is bigger, and the pesticide resistance of rice root is stronger.The Evil humulone imposes on can be fixing by the soil absorption rapidly in the soil, because water-soluble water is difficult for mobile and drip washing, is subjected to microbial degradation slow, and its influence of soil confrontation is also less, and the half life period is the 2-6 month in the soil.Be applicable to that crops such as paddy rice, soybean, cotton, sugarcane and orchard prevent and kill off 1 year living grass family broad leaved weed such as barnyard grass grass, moleplant seed, ditch millet, difformed galingale herb, globe daisy alkali grass, Monochoria vaginalis, Sagittaria pygmaea, Drilgrass and Amaranthaceae, Chenopodiaceae, Euphorbiaceae, Oxalidaceae, Convolvulaceae.Invalid substantially to perennial weed.
The present domestic product that does not still have both composite registrations.
Summary of the invention
The objective of the invention is to study the third careless An Yu the composite synergistic formula of Evil humulone, what enlarge two weed killer herbicides kills grass spectrum and range of application.
The third careless amination formal name used at school is called: 2-chloro-N-(1-methyl-2-methoxyethyl)-N-(2-ethyl-6-aminomethyl phenyl) acetamide, molecular formula: C
15H
22ClNO
2, molecular weight: 283.81.Evil humulone chemical name is: the 5-tert-butyl group-3-(2,4-, two chloro-5-o-phenyl-isopropyls)-1,3,4-oxadiazole quinoline-2-ketone; 5-tertiary butyl-3-(2,4-, two chloro-5-o-phenyl-isopropyls)-1,3,4-oxadiazole quinoline-2-ketone; 5-tertiary butyl-3-(2,4-, two chloro-5-o-phenyl-isopropyls)-quinoline-2-ketone; Molecular formula C
15H
18Cl
2N
2O
3, molecular weight 345.22.
Below be main contents of the present invention:
A kind of herbicide composition for paddy fields is characterized in that: contain the third careless An with two kinds of herbicidal active compoundses of Evil humulone, the third careless An is with the weight ratio of two kinds of compositions of Evil humulone is 5～60%: 0.5～30%.
The third careless An is with the preferred component third careless amine of the weight ratio of two kinds of compositions of Evil humulone is that 10～60% ， Evil humulones are 2～20%.
Above-mentioned combinations of herbicides is that the known method in this area can be processed into following formulation: but the agent of exhibition oil film, granule, aqueous emulsion, suspending agent dispersed oil suspending agent, pulvis, wetting powder, soluble powder or water dispersible granules etc.
Be that example is described in detail implementation method of the present invention below with the film-spreading oil solution:
The above-mentioned third careless An is Yu Evil humulone film-spreading oil solution composition, and the third careless An is arranged for it with the Evil humulone, and suitable safener, solvent, spreading agent form through mixing stirring and processing.
Wherein the percentage by weight of various components is as follows:
More than be mass percent.
Solvent is a kind of or any several combination in toluene, dimethylbenzene, acetone, dimethyl formamide, cyclohexanone, methyl oleate and the solvent known in those skilled in the art.
Spreading agent SO-37 is that tridecanol ester, OPEO phosphate or glycerine mix self-control by a certain percentage.
Safener CGA-123407 is fenclorim, has another name called 4,6-, two chloro-2-phenyl-pyrimidines; 4,6-, two chloro-2-phenyl pyrimidines; 2,4-, two chloro-2-phenyl pyrimidines are to be to solve the acetamide-group herbicides third careless amine produces the special research and development of poisoning to rice direct seeding field a class safener by Ciba-Geigy company.
Beneficial effect of the present invention: (1) has enlarged grass spectrum extremely.The third careless amine belongs to the weed killer herbicide of amide-type, the preventive effect of grassy weed is better than the effect Er Evil humulone of broad leaved weed is better than grassy weed to the preventive effect of broad leaved weed and sedge family effect, both make up to have enlarged and kill the grass spectrum, prevent and treat annual gramineae and broad leaved weeds such as barnyard grass grass, moleplant seed, ditch millet, difformed galingale herb, globe daisy alkali grass, eleusine indica, needle spikesedge herb, alisma canaliculatum, water three-coloured amaranth, special-shaped He grass, cyperus iria, false loosestrife, Monochoria vaginalis effectively, reach standing grain, wealthy, effect that Sha removes.(2) using method is simpler.By having good diffusibility in the Evil humulone, with the third careless amine combination make film-spreading oil solution in the paddy field rapidly diffusion come, using method is easy.(3) formulation of the present invention is relatively more novel, is a kind of formulation with DEVELOPMENT PROSPECT.(4) a large amount of evidences, these two kinds of composition combinations have efficient, safety, broad weed-killing spectrum, the characteristics that the lasting period is long.
Embodiment
The present invention describes with following examples, but does not limit the present invention.
FORMULATION EXAMPLE
The example 1:5.5% third Cao An Evil humulone granule (5: 0.5)
With 30 gram cyclohexanone that the dissolving of 5 Ke Evil humulones is complete in container, add third careless amine 50 grams, stir, adopt the mode of high-pressure fog evenly to be sprayed onto on the native ball particle of load weighted 915 grams then, fully after the stirring and adsorbing, get final product the 12% the third Cao An Evil humulone granules.
The example 2:15% third Cao An Evil humulone aqueous emulsion (12: 3)
Evil humulone 30 grams, third careless amine 120 grams are dissolved in the mixed liquor of 80 gram dimethylbenzene and 40 gram acetone, add the BY14030 gram, 601P 40 grams start clipper, and the limit sheared edge adds deionized water 660 grams.High speed shear got final product in 30 minutes the 15% the third Cao An Evil humulone aqueous emulsions.
The example 3:20% third Cao An Evil humulone soluble powder (16: 4)
Jiang Evil humulone 40 gram, third careless amine 160 grams, toluene 250 grams, safener (CGA-123407) 50 grams, K12 80 grams, white carbon 240 grams, ammonium sulfate 200 grams stir, and adopt comminution by gas stream processing, get final product the 20% the third Cao An Evil humulone soluble powders
The example 4:25% third Cao An Evil humulone water dispersible granules (20: 5)
Jiang Evil humulone 50 grams, third careless amine 200 grams, dimethylbenzene 60 grams, dimethyl formamide 20 grams, methyl oleate 30 grams, white carbon 350 grams, ammonium sulfate 290 grams mix the back inlet air flow and pulverize, in mixer, spray into and mediate about 130 grams of agent deionized water, adjust extrusion equipment, carry out extruder grain, it is qualified to dry to moisture under 50～80 ℃ of conditions, get final product the 25% the third Cao An Evil humulone water dispersible granules.
The example 5:30% third Cao An Evil humulone wetting powder (25: 5)
Jiang Evil humulone 50 gram, third careless amine 250 grams, safener (CGA-123407) 80 grams, NNO 320 grams, K12 50 grams, white carbon 100 grams, bentonite 200 grams stir, and adopt comminution by gas stream processing, get final product the 30% the third Cao An Evil humulone soluble powders.
The example 6:25% third Cao An Evil humulone suspending agent (20: 5)
577 gram deionized waters in the suction container, 60 gram NNO, 40 gram K12 and 30 gram 33# are added in the container, the limit stirring restrains 50 Ke Evil humulones, 200 the third careless amine, 40 gram safeners (CGA-123407), 3 gram xanthans, drops in the shearing jar in order then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, namely gets the 25% the third Cao An Evil humulone suspending agents.
The example 7:45% third Cao An Evil humulone suspending agent (15: 30)
417 gram deionized waters in the suction container, 60 gram NNO, 40 gram K12 and 10 gram 33# are added in the container, the limit stirring restrains 300 Ke Evil humulones, 150 the third careless amine, 20 gram safeners (CGA-123407), 3 gram xanthans, drops in the shearing jar in order then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, namely gets the 45% the third Cao An Evil humulone suspending agents.
But the example 8:50% third Cao An Evil humulone dispersed oil suspending agent (40: 10)
220 gram methyl oleates in the suction container, 80 gram 33#, 50 gram calcium dodecyl benzene sulfonates are added in the container, the limit stirring restrains 100 Ke Evil humulones, 400 the third careless amine, 120 gram safeners (CGA-123407), 30 gram organobentonites, drops in the shearing jar in order then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, but namely gets the 50% the third Cao An Evil humulone dispersed oil suspending agents.
The example 9:60% third Cao An Evil humulone film-spreading oil solution (50: 10)
Evil humulone 100 gram is dissolved in the 80 gram dimethyl formamides, adds third careless amine 500 grams, safener (CGA-123407) 30 grams, acetone 100 grams, methyl oleate 50 grams, oily spreader SO-37 150 grams stir, get final product 60% Bing Cao Evil humulone film-spreading oil solution.
But the example 10:65% third Cao An Evil humulone dispersed oil suspending agent (60: 5)
144 gram methyl oleates in the suction container, 100 gram 33# are added in the container, the limit stirring restrains 50 Ke Evil humulones, 600 the third careless amine, 60 gram safeners (CGA-123407), 50 gram xanthans, drops in the shearing jar in order then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, but namely gets the 65% the third Cao An Evil humulone dispersed oil suspending agents.
Biological Examples
(1) for the examination weed killer herbicide
500 grams per liters, the third careless amine (Lianyungang Liben Agro-chemical Co., Ltd., commercial)
120 Ke/are Shenged Evil humulone (Heilongjiang Province Jiamusi Heilong Pesticide Chemical Co.,Ltd., commercial)
The preparation 1:5.5% third careless amine. Evil humulone granule (5: 0.5)
The preparation 2:15% third careless amine. Evil humulone aqueous emulsion (12: 3)
The preparation 3:20% third careless amine. Evil humulone soluble powder (16: 4)
The preparation 4:25% third careless amine. Evil humulone water dispersible granules (20: 5)
The preparation 5:30% third careless amine. Evil humulone wetting powder (25: 5)
The preparation 6:25% third careless amine. Evil humulone suspending agent (20: 5)
Preparation 7:45% Bing Cao Evil humulone suspending agent (15: 30)
But the preparation 8:50% third careless amine. Evil humulone dispersed oil suspending agent (40: 10)
The preparation 9:60% third careless amine. Evil humulone film-spreading oil solution (50: 10)
But the preparation 10:65% third careless amine. Evil humulone dispersed oil suspending agent (60: 5)
(gold field, Henan farmingization limited company, autogamy)
(2) for the examination weeds
Give birth to grass family (barnyard grass grass), broad leaved weed (Monochoria vaginalis) and sedge family (different in nature nutgrass flatsedge) and other weeds
(3) implementation method
With the seeds of weeds by per 30 as a processing, plant in basin.Grow to the 3-4 leaf phase with medicament of emerging and handle the usefulness of doing experiment in weeds.
The table 1 third careless amine and Evil humulone with and composition to the herbicidal effect of weeds in paddy field
As can be seen from Table 1, the third careless An Yu Evil humulone belong to the weed killer herbicide of two different mechanisms of action, the third careless amine is better than preventive effect of broad leaved weed Er Evil humulone is better than grassy weed, both composite effects that synergy arranged and enlarge the weed killer herbicide scope to the preventive effect of broad leaved weed and sedge weed to the preventive effect with the undergraduate course weeds.And through evidence, both are composite to the rice safety height, (will add safener in live field), and both composite co-toxicity coefficients have feasibility greater than 120.
Above with a general description of the specific embodiments the present invention has been done detailed description, but on basis of the present invention, can to some modifications of do and improvement, this is apparent to those skilled in the art.Therefore, these modifications and the improvement made without departing from theon the basis of the spirit of the present invention all belong to the scope of protection of present invention.
Claims (3)
1. herbicide for paddy field synergistic composition is characterized in that: it is to be active component with the third careless amine and two kinds of materials of Evil humulone, and wherein the third careless amine weight content is that 5～60%, Evil humulone weight content is 0.5～30%.
2. herbicide for paddy field synergistic composition according to claim 1 is characterized in that: the third careless An is with the preferred weight content of two kinds of active components of Evil humulone is the third careless amine is that 10～60% ， Evil humulones are 2～20%.
3. herbicide for paddy field synergistic composition according to claim 1 and 2 is characterized in that: the third careless An He the formulation of two kinds of compositions of Evil humulone be: but the agent of exhibition oil film, granule, aqueous emulsion, soluble liquid, suspending agent dispersed oil suspending agent, pulvis, wetting powder, soluble powder or water dispersible granules.
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|---|---|---|---|
| CN 201110200648 CN102217608B (en) | 2011-07-18 | 2011-07-18 | Paddy field herbicide synergistic composition |
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|---|---|---|---|
| CN 201110200648 CN102217608B (en) | 2011-07-18 | 2011-07-18 | Paddy field herbicide synergistic composition |
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| CN102217608B true CN102217608B (en) | 2013-07-10 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630682A (en) * | 2012-04-11 | 2012-08-15 | 哈尔滨利民农化技术有限公司 | Weeding composition, and preparation method and application thereof |
| CN103355287A (en) * | 2013-07-30 | 2013-10-23 | 河北博嘉农业有限公司 | Spreading oil for controlling Lissorhoptrus oryzophilus Kuschel |
| CN103749480B (en) * | 2014-02-12 | 2017-04-12 | 中国中化股份有限公司 | Paddy field herbicide composition and application |
| CN104012526A (en) * | 2014-06-09 | 2014-09-03 | 浙江天丰生物科学有限公司 | Dispersible oil suspension agent for low-melting-point compound and preparation method thereof |
| CN106472516A (en) * | 2016-10-13 | 2017-03-08 | 广东中迅农科股份有限公司 | A kind of weeding pesticide composition |
| CN110235895A (en) * | 2019-07-05 | 2019-09-17 | 南京农业大学 | A kind of pretilachlor and oxadiazon administer resistance barnyard grass composition and its application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004168784A (en) * | 1991-04-26 | 2004-06-17 | Nissan Chem Ind Ltd | Method for applying solid agrochemical preparation for flooded paddy field |
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
| CN101485318A (en) * | 2009-02-19 | 2009-07-22 | 山东省农业科学院植物保护研究所 | Compounding herbicide containing oxadiazon and propisochlor |
| CN101779666A (en) * | 2010-02-09 | 2010-07-21 | 中国水稻研究所 | Transplantation paddy field weed control method for retarding or preventing cockspur grass from producing drug resistance |
-
2011
- 2011-07-18 CN CN 201110200648 patent/CN102217608B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004168784A (en) * | 1991-04-26 | 2004-06-17 | Nissan Chem Ind Ltd | Method for applying solid agrochemical preparation for flooded paddy field |
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
| CN101485318A (en) * | 2009-02-19 | 2009-07-22 | 山东省农业科学院植物保护研究所 | Compounding herbicide containing oxadiazon and propisochlor |
| CN101779666A (en) * | 2010-02-09 | 2010-07-21 | 中国水稻研究所 | Transplantation paddy field weed control method for retarding or preventing cockspur grass from producing drug resistance |
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