CN102265876A - Pesticide composition containing fenoxaprop-p-ethyl and cloransulam-methyl - Google Patents
Pesticide composition containing fenoxaprop-p-ethyl and cloransulam-methyl Download PDFInfo
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- CN102265876A CN102265876A CN2011101839161A CN201110183916A CN102265876A CN 102265876 A CN102265876 A CN 102265876A CN 2011101839161 A CN2011101839161 A CN 2011101839161A CN 201110183916 A CN201110183916 A CN 201110183916A CN 102265876 A CN102265876 A CN 102265876A
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- fenoxaprop
- cloransulammethyl
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- weed
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Abstract
The invention discloses a pesticide composition containing fenoxaprop-p-ethyl and cloransulam-methyl. Fenoxaprop-p-ethyl and cloransulam-methyl are used as active components of the pesticide composition, and the weight ratio of fenoxaprop-p-ethyl to cloransulam-methyl is 10:1 to 1:10. The pesticide composition provided in the invention is applicable to preventing and eliminating annual weeds, has an obvious synergy effect, and enables control efficiency to be improved, application amount of pesticides and cost to be cut down and pollution to environment to be reduced.
Description
Technical field
The composition pesticide that the present invention relates to is that Yi fenoxaprop and cloransulammethyl are active ingredient, is used to prevent and kill off soybean field annual weed.
Background technology
The chemical method weeding is that agricultural goes up one of main means of controlling weeds.In recent years, because some weed killer herbicide kind large tracts of land are used separately, caused a lot of weeds to develop immunity to drugs.Simultaneously, the grass when weeds are taken place is complicated mutually, and not only annual and perennial weed mixes and gives birth to, draft, liana and shrub have concurrently, and weeds emerge uneven, the staggered generation of low age, advanced age weeds, so when the weed killer herbicide kind is used separately, all can show in a certain respect defective and limitation.
Fenoxaprop belongs to aryloxy group phenoxy propionic acid class weed killer herbicide, is the fatty acid synthetic inhibitor.Blade by plant absorbs the back transporting to phyllopodium, stem, root, in the gramineous plants body, suppress the biosynthesis of fatty acid, the growth of growing tips of the plant is hindered, leaf chlorophyll content reduces, free amino acid and soluble sugar increase in stem, the leaf texture, the plant normal metabolic is damaged, and finally causes sensitive plant death.Because fenoxaprop uses for many years continuously, cause a lot of weeds to produce resistance, also be difficult to effectively control weeds even strengthen usage amount.The ， fenoxaprop is only effective to grassy weed simultaneously, has certain limitation.
Cloransulammethyl be sulfonamido phenacylate class weed killer herbicide, but it can only be prevented and kill off broad leaved weed, and main application sprays for the preceding soil table of plantation, uses behind the bud to prevent and treat the broad leaved weed in soybean field before the bud.
During the single use of fenoxaprop and cloransulammethyl, certain defective and limitation are arranged all.
Being mixed of inventor Dui fenoxaprop and cloransulammethyl furtherd investigate, on the basis of a large amount of indoor formulation screening tests and field medicine effect test, find that fenoxaprop and cloransulammethyl are mixed, in certain mixed ratio scope, weeds are shown certain synergy or addition, after further study, finished the present invention.
Being mixed and using and still do not have report at present of fenoxaprop and cloransulammethyl.
Summary of the invention
Technical problem to be solved: the shortcoming that the objective of the invention is to overcome prior art, provide a kind of and can prevent and kill off soybean field grassy weed and broad leaved weed simultaneously, efficiently, low toxicity, environmental protection, help the composition pesticide that contains fenoxaprop and cloransulammethyl of the weeds comprehensive regulation.
Technical scheme: Yi fenoxaprop and cloransulammethyl are that the ratio of weight and number of active ingredient ， fenoxaprop and cloransulammethyl is 10:1～1:10.
Composition pesticide of the present invention adopts known method, selects suitable insecticides adjuvant for use, is prepared into to be fit to upward following formulation of agricultural: oil-suspending agent, wetting powder, water dispersible granules, aqueous emulsion.
The auxiliary agent that uses in the present composition comprises that solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, PH conditioning agent, defoamer, antifreezing agent, packing agent etc. are of value to active ingredient stablizes and bring into play drug effect in preparation known substance, all be the various compositions of using or allow use in the pesticidal preparations always, concrete composition and consumption are determined by testing according to the prescription requirement.
The production technology of the various application forms of composition pesticide of the present invention all belongs to existing known technology, does not repeat them here.
Composition pesticide described in the invention can finished product preparation form provide, promptly each material mixes in the composition, the form that the composition of composition also can single agent provides, and directly mixes in jar or bucket before the use, is diluted to needed concentration then.The frequency of administration of the present composition and amount of application change with weather conditions and weeds situation, can reach the purpose of preventing and kill off by using suitable dosage.
The present composition is applicable to prevents and kill off soybean field annual weed.
Herbicidal combinations provided by the invention adopts the method for cauline leaf spraying to use usually, also can adopt agricultural to go up other operation techniques of using as required.
Compared with prior art, the invention has the advantages that:
1, composition pesticide provided by the invention, in certain ratio range, show obvious synergistic effect, the control efficiency of composition is significantly improved than single agent, reduced the using dosage of agricultural chemicals, reduced the medication number of times, reduced drug cost, reduced the adverse effect of agricultural chemicals ecotope.
2, composition pesticide provided by the invention, the combination of two kinds of effective ingredients has enlarged herbicidal spectrum, and a drug can solve various weeds problems, defective and limitation when having remedied single agent and using.It is only effectively not enough to the grassy weed effect not only can to remedy single Ji fenoxaprop after the two is mixed, and can remedy cloransulammethyl and can only prevent and kill off broad leaved weed and the defective invalid substantially to other weeds.
3, composition pesticide provided by the invention, two kinds of effective ingredient mechanism of action have nothing in common with each other, and can overcome the shortcoming that long-term single use is easy to generate resistance, prolong the service life of medicament, and the comprehensive regulation of weeds resistance is had significance.
Embodiment
The present invention describes by following specific embodiment, but the invention is not restricted to following specific embodiment.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Biologicall test embodiment 1:Fenoxaprop and cloransulammethyl are used with the synergy of soybean weeds are measured.
Test material: the barnyard grass grass [
Echinochloa crusgalli (L.) Beauv.] (field is collected seed and preserved); Amaranthus retroflexus [
Amaranthus retrofZex us], (field is collected seed and is preserved).
Test apparatus: controlled illumination box; The accurate laboratory of POTTER spray tower; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method: the purity that takes by weighing certain mass earlier is the former medicine of 95% fenoxaprop, purity is the former medicine of 97.5% cloransulammethyl, the Tween 80 aqueous solution with 0.1% after adding acetone fully dissolves dilutes, be mixed with single agent mother liquor respectively, according to the purpose that is mixed serial proportioning is set, each proportioning is provided with 5～7 concentration gradients.
Weed seed respectively behind the presoaking and germinating point be sowed in the iron basin of sectional area 0.25 ㎡ that earth is housed, divide basin to broadcast 100, be cultured to the 3-5 leaf phase.Spray soup with the accurate laboratory of POTTER spray tower, spouting liquid is every processing 50ml, keeps ground moistening behind the medicine.Every processing repeats 4 times, takes by weighing in 20 days behind the medicine and respectively handles weeds acrial part fresh weight, calculates and respectively handles the percentage that aerial growth suppresses percentage and contrast, estimates the two with the Gowing method and uses synergy type to weeds with.The actual preventive effect of mixe herbicide is calculated as follows.
In the formula: the weeds preventive effect of X-when weed killer herbicide A consumption is P; The weeds preventive effect of Y-when weed killer herbicide B consumption is Q; E
0The weeds preventive effect of the weeds preventive effect when-weed killer herbicide B consumption is P+when weed killer herbicide B consumption is Q; The actual preventive effect of E-mixe herbicide.E-E
0＞10% is synergistic effect; E-E
0＜-10% is antagonism; E-E
0Value is addition between theoretical value ± 10%.
Measurement result show (see Table 1, table 2) ， fenoxaprop and cloransulammethyl be mixed proportioning 10:1～1:10 to barnyard grass grass, Amaranthus retroflexus E-E
0Value illustrates that the synergy that fenoxaprop and cloransulammethyl are mixed to soybean field annual weed belongs to addition all between ± 10%.
Table 1: different proportioning fenoxaprops and cloransulammethyl are measured the synergy of barnyard grass grass.
Table 2: different proportioning fenoxaprops and cloransulammethyl are measured the synergy of Amaranthus retroflexus.
Example of formulations 1: 20% fenoxaprop cloransulammethyl oil-suspending agent.
Fenoxaprop 12%, cloransulammethyl 8%, emulsifier fatty alcohol-polyoxyethylene ether 4%, calcium dodecyl benzene sulfonate 5%, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 3%, defoamer epoxidized soybean oil 1%, antifreezing agent glycerine 0.5%, surplus are methylated vegetable oil.Above-mentioned prescription is added in the mixing kettle in proportion successively, promptly make 20% fenoxaprop cloransulammethyl oil-suspending agent after stirring.
This embodiment is used to prevent and kill off soybean field annual weed, and 20% fenoxaprop cloransulammethyl oil-suspending agent consumption, 15 gram/mus are converted water spray, and 20 days preventive effects are 93.9% behind the medicine.6.9% fenoxaprop aqueous emulsion consumption, 40 gram/mus are converted water spray, and 20 days preventive effects are 54.8% behind the medicine.84% cloransulammethyl water dispersible granules consumption, 2 gram/mus are converted water spray, and 20 days preventive effects are 47.3% behind the medicine.
20% fenoxaprop cloransulammethyl oil-suspending agent is prevented and kill off soybean field annual weed effect obviously 6.9% fenoxaprop aqueous emulsion and 84% cloransulammethyl water dispersible granules, illustrate that this invention fenoxaprop and cloransulammethyl composition can prevent and kill off soybean field annual weed preferably, reduce dosage, reduce cost, delay the drug-fast generation of weeds, reduced environmental pollution.
Example of formulations 2: 15% fenoxaprop cloransulammethyl wetting powder.
Fenoxaprop 10%, cloransulammethyl 5%, wetting agent draw back powder 3%, dispersant naphthalenesulfonate formaldehyde condensation compound 6%, filler talcum powder 15%, surplus is a filler kaolin.Above-mentioned prescription entered in the blender after the coarse crushing in proportion mix, behind comminution by gas stream, promptly make 15% fenoxaprop cloransulammethyl wetting powder again.
This embodiment is used to prevent and kill off soybean field annual weed, and 15% fenoxaprop cloransulammethyl oil wetting powder consumption, 20 gram/mus are converted water spray, and 20 days preventive effects are 96.2% behind the medicine.6.9% fenoxaprop aqueous emulsion consumption, 40 gram/mus are converted water spray, and 20 days preventive effects are 54.8% behind the medicine.84% cloransulammethyl water dispersible granules consumption, 2 gram/mus are converted water spray, and 20 days preventive effects are 47.3% behind the medicine.
15% fenoxaprop cloransulammethyl wetting powder is prevented and kill off soybean field annual weed effect obviously 6.9% fenoxaprop aqueous emulsion and 84% cloransulammethyl water dispersible granules, illustrate that this invention fenoxaprop and cloransulammethyl composition can prevent and kill off soybean field annual weed preferably, reduce dosage, reduce cost, delay the drug-fast generation of weeds, reduced environmental pollution.
Example of formulations 3: 60% fenoxaprop cloransulammethyl water dispersible granules.
Fenoxaprop 40%, cloransulammethyl 20%, wetting agent lauryl sodium sulfate 6%, dispersant polycarboxylate 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stabilizing agent soluble starch 3%, surplus is a carrier kaolin.Dry pulverization process, granulation, drying, screening make 60% fenoxaprop cloransulammethyl water dispersible granules in proportion with above-mentioned prescription.
This embodiment is used to prevent and kill off soybean field annual weed, and 60% fenoxaprop cloransulammethyl water dispersible granules consumption, 5 gram/mus are converted water spray, and 20 days preventive effects are 96.4% behind the medicine.6.9% fenoxaprop aqueous emulsion consumption, 40 gram/mus are converted water spray, and 20 days preventive effects are 54.8% behind the medicine.84% cloransulammethyl water dispersible granules consumption, 2 gram/mus are converted water spray, and 20 days preventive effects are 47.3% behind the medicine.
60% fenoxaprop cloransulammethyl water dispersible granules is prevented and kill off soybean field annual weed effect obviously 6.9% fenoxaprop aqueous emulsion and 84% cloransulammethyl water dispersible granules, illustrate that this invention fenoxaprop and cloransulammethyl composition can prevent and kill off soybean field annual weed preferably, reduce dosage, reduce cost, delay the drug-fast generation of weeds, reduced environmental pollution.
Example of formulations 4: 30% fenoxaprop cloransulammethyl effervescent tablet.
Fenoxaprop 20%, cloransulammethyl 10%, neopelex 5%, calcium dodecyl benzene sulfonate 3%, thickener polyvinyl alcohol 4%, sodium bicarbonate 30%, anhydrous citric acid 32%, surplus is a microcrystalline cellulose.Above-mentioned prescription Central Plains medicine, auxiliary agent are crushed to certain fineness through cracker; Behind the tablet press machine compressing tablet; Make 30% fenoxaprop cloransulammethyl effervescent tablet.
This embodiment is used to prevent and kill off soybean field annual weed, and 30% fenoxaprop cloransulammethyl oil-suspending agent consumption, 10 gram/mus are converted water spray, and 20 days preventive effects are 95.1% behind the medicine.6.9% fenoxaprop aqueous emulsion consumption, 40 gram/mus are converted water spray, and 20 days preventive effects are 54.8% behind the medicine.84% cloransulammethyl water dispersible granules consumption, 2 gram/mus are converted water spray, and 20 days preventive effects are 47.3% behind the medicine.
30% fenoxaprop cloransulammethyl effervescent tablet is prevented and kill off soybean field annual weed effect obviously 6.9% fenoxaprop aqueous emulsion and 84% cloransulammethyl water dispersible granules, illustrate that this invention fenoxaprop and cloransulammethyl composition can prevent and kill off soybean field annual weed preferably, reduce dosage, reduce cost, delay the drug-fast generation of weeds, reduced environmental pollution.
Example of formulations 5: 14% fenoxaprop cloransulammethyl aqueous emulsion.
Fenoxaprop 10%, cloransulammethyl 4%, dimethylbenzene 10%, fatty alcohol polyoxy diene ether 6%, epoxidized soybean oil 3%, ethylene glycol 5%, surplus is a deionized water.Fenoxaprop, cloransulammethyl, dimethylbenzene, fatty alcohol polyoxy diene ether, epoxidized soybean oil, ethylene glycol are mixed, the limit sheared edge adds in the deionized water at leisure, finish and mix back shearing 30 minutes, make 14% fenoxaprop cloransulammethyl aqueous emulsion.
This embodiment is used to prevent and kill off soybean field annual weed, and 14% fenoxaprop cloransulammethyl aqueous emulsion agent consumption, 20 gram/mus are converted water spray, and 20 days preventive effects are 97.1% behind the medicine.6.9% fenoxaprop aqueous emulsion consumption, 40 gram/mus are converted water spray, and 20 days preventive effects are 54.8% behind the medicine.84% cloransulammethyl water dispersible granules consumption, 2 gram/mus are converted water spray, and 20 days preventive effects are 47.3% behind the medicine.
14% fenoxaprop cloransulammethyl aqueous emulsion is prevented and kill off soybean field annual weed effect obviously 6.9% fenoxaprop aqueous emulsion and 84% cloransulammethyl water dispersible granules.
Fenoxaprop and cloransulammethyl are mixed and are used to prevent and kill off soybean field annual weed, survey soybean yields during results, the results are shown in Table 5.Fenoxaprop and cloransulammethyl are mixed and are used to prevent and kill off soybean weeds and have soybean safety, improve the soybean yields effect.
Table 3: different proportioning fenoxaprops and cloransulammethyl are mixed and prevent and kill off soybean weeds to the soybean yield-increasing effect.
Determine that by testing the synergy of preventing and kill off soybean field annual weed that is mixed of fenoxaprop and cloransulammethyl belongs to addition, can prevent and kill off grassy weed and broad leaved weed simultaneously, and to soybean safety, raising soybean yields.Fenoxaprop and cloransulammethyl mixed agent not only provide a kind of safe, practical weed killer herbicide, and reduce enterprise and peasant's cost greatly, save human and material resources, reduce auxiliary dosage, reduce the agricultural chemicals environmental pollution.
Claims (4)
1. a composition pesticide that contains fenoxaprop and cloransulammethyl is characterized in that active ingredient is fenoxaprop and cloransulammethyl.
2. a kind of composition pesticide that contains fenoxaprop and cloransulammethyl according to claim 1, the ratio of weight and number that it is characterized in that ， fenoxaprop and cloransulammethyl is 10:1～1:10.
3. a kind of composition pesticide that contains fenoxaprop and cloransulammethyl according to claim 1 and 2 is characterized in that, its formulation is a kind of in oil-suspending agent, wetting powder, water dispersible granules, the aqueous emulsion.
4. a kind of composition pesticide that contains fenoxaprop and cloransulammethyl according to claim 1 and 2 is characterized in that being used to prevent and kill off soybean field annual weed.
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| CN2011101839161A CN102265876A (en) | 2011-07-02 | 2011-07-02 | Pesticide composition containing fenoxaprop-p-ethyl and cloransulam-methyl |
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| CN2011101839161A CN102265876A (en) | 2011-07-02 | 2011-07-02 | Pesticide composition containing fenoxaprop-p-ethyl and cloransulam-methyl |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102613233A (en) * | 2012-03-16 | 2012-08-01 | 广东中迅农科股份有限公司 | Synergetic acaricidal composition containing cyflumetofen and fenbutatin oxide |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101911942A (en) * | 2010-09-15 | 2010-12-15 | 新沂市永诚化工有限公司 | Weeding composition containing cloransulam-methyl and quizalofop-p-ethyl |
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2011
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101911942A (en) * | 2010-09-15 | 2010-12-15 | 新沂市永诚化工有限公司 | Weeding composition containing cloransulam-methyl and quizalofop-p-ethyl |
Non-Patent Citations (2)
| Title |
|---|
| 刘博宏 等: "芳氧苯氧基丙酸酯类除草剂的应用进展", 《农药科学与管理》, vol. 32, no. 2, 15 February 2011 (2011-02-15) * |
| 赵善欢 等: "《植物化学保护》", 31 January 2002, article "芳氧苯氧基丙酸酯类除草剂", pages: 183 - 5-4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102613233A (en) * | 2012-03-16 | 2012-08-01 | 广东中迅农科股份有限公司 | Synergetic acaricidal composition containing cyflumetofen and fenbutatin oxide |
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Application publication date: 20111207 |