CN105432633A - Rice-field weeding composition containing florasulam and cyhalofop-butyl - Google Patents
Rice-field weeding composition containing florasulam and cyhalofop-butyl Download PDFInfo
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- CN105432633A CN105432633A CN201510969641.2A CN201510969641A CN105432633A CN 105432633 A CN105432633 A CN 105432633A CN 201510969641 A CN201510969641 A CN 201510969641A CN 105432633 A CN105432633 A CN 105432633A
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- Prior art keywords
- cyhalofop
- butyl
- florasulam
- rice
- weeding composition
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a rice-field weeding composition containing florasulam and cyhalofop-butyl. The effective ingredients comprise florasulam and cyhalofop-butyl, the weight part ratio of florasulam to cyhalofop-butyl is 1:10-10:1, the total weight percentage of florasulam and cyhalofop-butyl in the weeding composition is 5%-50%, and the balance is acceptable auxiliary ingredients being allowed using in pesticides. The weeding composition possesses cooperative synergic effects, is applicable to control and remove annual weed in rice field, the weeding effect of the weeding composition is obviously improved compared with that of an individually-used single agent, the weeding spectrum is expanded, and generation of weed drug resistance is delayed.
Description
Technical field
The present invention relates to agricultural chemicals Herbicidal combinations and application thereof, specifically a kind of active ingredient is the Herbicidal combinations of florasulam and cyhalofop-butyl, is applied to and prevents and kill off paddy field annual weed.
Background technology
Florasulam (florasulam) belongs to triazolopyrimidine sulfonamides super-high-efficient weed killer herbicide, and florasulam is inner-adsorption conduction-type herbicide, can conduct to weeds complete stool, and thus herbicide is thorough, can not recur.Efficacy stability at low temperatures, even still can ensure stable drug effect 2 DEG C time, this point is that other weed killer herbicides are incomparable.
Cyhalofop-butyl (cyhalofop-butyl) belongs to only kind paddy rice to tight security in fragrant phenoxy phenoxy propionic acid weed killer herbicide, the same with such other kinds, is also Uptake and translocation weed killer herbicide.By blade and the leaf sheath absorption of plant corpus, phloem conducts, accumulate the meristem zone in plant corpus, resist acetyl-CoA carboxylase (ACCase), fatty acid is synthesized stop, the growth division of cell can not normally be carried out, and membranous system etc., containing fat structural deterioration, finally cause Plant death.
By the screening of different pesticide species compounded formula, filter out rational formula, effectively can improve the actual control efficiency to crop smothering, expanding prevention is composed, and delaying the drug-fast generation of crop smothering, is the important means of the agriculturally disease pest and weed comprehensive regulation.
The composite use of the present inventor to florasulam and cyhalofop-butyl conducts in-depth research, a large amount of formula indoors screening and field medicine effect test basis on, find that florasulam and cyhalofop-butyl carry out composite, within the scope of certain compound proportion, obvious synergistic function is shown to paddy field annual weed, after further study, the present invention is completed.
Summary of the invention
The object of the present invention is to provide a kind of there is synergistic function, expand herbicide spectrum, control efficiency is good, delay the Herbicidal composition for rice field containing florasulam and cyhalofop-butyl of the drug-fast generation of crop smothering.
The technical scheme realizing the object of the invention is: a kind of Herbicidal composition for rice field containing florasulam and cyhalofop-butyl, active ingredient is florasulam and cyhalofop-butyl, the ratio of weight and number of florasulam and cyhalofop-butyl is 1:10 ~ 1:100, florasulam and the percentage by weight of cyhalofop-butyl weight summation in Herbicidal combinations are 5% ~ 50%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described auxiliary element comprises solvent, emulsifier, film forming agent, wetting agent, dispersant, antifreezing agent, stabilizing agent, synergist, thickener, disintegrant, binding agent, defoamer, solid acid, carbonate, flowing regulator, liquid-carrier and solid carrier etc., it is all composition that is conventional in pesticidal preparations or permission use, be not particularly limited, concrete composition and consumption are determined by simple test according to recipe requirements.
Herbicidal combinations of the present invention can be prepared into the multiple application forms being applicable to agriculturally using, and reasonable formulation dispersibles oil-suspending agent, wetting powder.
The production technology of the various application forms of described Herbicidal combinations all belongs to existing known technology, does not repeat them here.
The frequency of administration of Herbicidal combinations of the present invention and amount of application change with crops, weeds, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Compared with prior art, the invention has the advantages that:
1, florasulam and cyhalofop-butyl compositely have synergistic function, are used alone the control efficiency significantly improved weeds than single dose.
2, florasulam and the composite herbicide that expands of cyhalofop-butyl are composed, water prevention rice field polytype weeds simultaneously.
3, florasulam and cyhalofop-butyl two kinds of active ingredients composite, the mechanism of action is different, can delay the generation of herbicide resistance.
Embodiment
In order to understand essence of the present invention better; below in conjunction with embodiment, content of the present invention is described further; but can not limitation of the present invention be considered as; the following stated is only for explaining the present invention; for not departing from amendment that the present invention's spirit and principle make, replacement or improvement, all belong to the scope of protection of present invention.In following each embodiment, active ingredient adopts the former medicine of 98% florasulam and 96% cyhalofop-butyl active compound, and each component percentages is weight percentage.
Embodiment 1:25% florasulam cyhalofop-butyl wetting powder
Florasulam 0.5%, cyhalofop-butyl 24.5%, neopelex 2%, sodium butylnaphthalenesulfonate 10%, wooden sodium 5%, sodium methylene bis-naphthalene sulfonate 12%, kaolin supplies 100%.Above-mentioned active ingredient, wetting agent, dispersant and solid carrier are mixed, again through air-flow crushing after mechanical crushing, 25% florasulam cyhalofop-butyl wetting powder can be obtained.
Embodiment 2:25% florasulam cyhalofop-butyl dispersibles oil-suspending agent
Florasulam 0.5%, cyhalofop-butyl 24.5%, neopelex 13%, fat dispersing agent MF 15%, naphthalene sulfonic acid condensate sodium salt 6%, xanthans 2%, methylcellulose 1.5%, methyl oleate supplies 100%.By above-mentioned active ingredient, wetting agent, dispersant, thickener and liquid-carrier after sand milling in high speed shear dispersion, sand mill, the high dispersive formed in non-water-medium, stable suspension system, can obtain 25% florasulam cyhalofop-butyl and dispersible oil-suspending agent.
Embodiment 3: indoor biological determination of activity
For examination target: Commelina communis, barnyard grass, moleplant seed.
Test method: at the in-built quantitative soil of the polypots of high 6cm, diameter 9cm, will for 15 ~ 20 sowings of examination target weed seed in polypots, be placed in greenhouse after the fine earth that lid 0.5 ~ 1cm is thick and cultivate, treat that weeds grow to the 2CM leaf phase and carry out spraying process, every alms bowl spraying liquid 1mL, often process repetition 4 times, and set the process not containing medicament as contrasting.After process, examination material is placed in greenhouse and cultivates, and the growing state of routine observation target weeds, estimates target damage symptoms and growth inhibition situation, and claim acrial part fresh weight after 20d, evaluates medicament to the toxicity action of target weeds with target fresh weight inhibition.
Investigation method: estimate target damage symptoms and growth inhibition situation after test process 20d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).
Synergy evaluation method: evaluate weed killer herbicide associated form (NY/T1155.7-2006) according to Gowing method, its formula is as follows:
E
0﹦X﹢Y–XY/100
In formula, X be florasulam alone with certain dosage time fresh weight inhibition to target weeds; Y be cyhalofop-butyl alone with certain dosage time fresh weight inhibition to target weeds; E
0for the theoretical value to target weeds fresh weight inhibition when florasulam, cyhalofop-butyl two kinds of pharmacy mix; Measured value to target weeds fresh weight inhibition when E is florasulam, cyhalofop-butyl two kinds of pharmacy mix.
Evaluation criterion: as E – E
0during > 10%, be expressed as synergistic effect; As ﹣ 10%≤E – E
0when≤10%, show as summation action; As E – E
0during < ﹣ 10%, show as antagonism.
Table 1, each chemicals treatment are to the Toxicity Determination of Commelina communis
Table 2, each chemicals treatment are to the Toxicity Determination result of barnyard grass
Table 3, each chemicals treatment are to the Toxicity Determination result of moleplant seed
As can be seen from the Toxicity Determination result of table 1, table 2 and table 3, florasulam and cyhalofop-butyl combine the E-E of each process to Monochoria vaginalis, barnyard grass and difformed galingale herb
0(%) value is all greater than 10%, illustrates that florasulam and cyhalofop-butyl combination all have synergistic function to Monochoria vaginalis, barnyard grass and difformed galingale herb.As can be seen here, florasulam and cyhalofop-butyl combination have reasonability and feasibility.
Embodiment 4: field control effectiveness test
Experimental field select Monochoria vaginalis, barnyard grass and difformed galingale herb that more paddy field occurs to carry out, paddy rice 3 leaf phase dispenser.4 process are established in test altogether, often 3 repetitions are established in process, process 1 is that 25% florasulam cyhalofop-butyl dispersibles oil-suspending agent (1:49), process 2 is 2% florasulam wetting powder, process 3 is 10% cyhalofop-butyl missible oil, process 4 is artificial weeding, within after medicine 20 days, adds up each process number of weeds amount and calculates preventive effect.
Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of paddy field annual weed
As can be seen from the field test results of table 4, after medicine, 20 days 25% florasulam cyhalofop-butyls dispersible the Weed-control effect 87.62 ~ 96.92% that oil-suspending agent (1:49) usage amount is 60 ~ 100ga.i./ha water prevention rice field, and control efficiency is obviously higher than 2% florasulam wetting powder, 10% cyhalofop-butyl missible oil and artificial weeding.As can be seen here, florasulam and cyhalofop-butyl combination have better promotion prospect.
Embodiment 5: to Security of rice evaluation test
Supply examination rice varieties to be japonica rice (mound wind excellent 18), long-grained nonglutinous rice (Jinyou 402), glutinous rice (excellent No. 5 of river in Zhejiang Province), direct sowing culture to the 3 leaf phase, adopt conventional spray-on process, even spraying is carried out in community one by one.With the amount of liquid medicine even spraying of 30 liters/mu (450 liters/hectare), blank spray equivalent clear water.Within after dispenser 3,7,15 days, observe to crop with or without poisoning phenomenon, the type of record poisoning and degree.
Primary evaluation is to the injury of paddy growth speed, plant forms, leaf look etc.Poisoning type specification: variable color, necrosis, grow delay, wilt, deformity.Poisoning extent description: variable color, necrosis, growth retardation, wilting, deformity.
Table 5,25% florasulam cyhalofop-butyl dispersible oil-suspending agent (1:49) to Security of rice result of the test
As can be seen from Table 5,25% florasulam cyhalofop-butyl dispersible oil-suspending agent (1:49) effective ingredient consumption 40,80,160ga.i./ha to japonica rice (mound wind excellent 18), long-grained nonglutinous rice (Jinyou 402), glutinous rice (excellent No. 5 of river in Zhejiang Province) safety without poisoning, it is safe that 25% florasulam cyhalofop-butyl dispersibles that oil-suspending agent (1:49) uses on paddy rice.
Claims (3)
1. one kind contains the Herbicidal composition for rice field of florasulam and cyhalofop-butyl, it is characterized in that: active ingredient is florasulam and cyhalofop-butyl, the ratio of weight and number of florasulam and cyhalofop-butyl is 1:10 ~ 1:100, and florasulam and the percentage by weight of cyhalofop-butyl weight summation in Herbicidal combinations are 5% ~ 50%.
2. a kind of Herbicidal composition for rice field containing florasulam and cyhalofop-butyl according to claim 1, is characterized in that: the formulation of described Herbicidal combinations dispersibles the one in oil-suspending agent and wetting powder.
3. a kind of Herbicidal composition for rice field containing florasulam and cyhalofop-butyl according to claim 1 is in the application of preventing and kill off paddy field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969641.2A CN105432633A (en) | 2015-12-18 | 2015-12-18 | Rice-field weeding composition containing florasulam and cyhalofop-butyl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969641.2A CN105432633A (en) | 2015-12-18 | 2015-12-18 | Rice-field weeding composition containing florasulam and cyhalofop-butyl |
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| CN105432633A true CN105432633A (en) | 2016-03-30 |
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| CN201510969641.2A Pending CN105432633A (en) | 2015-12-18 | 2015-12-18 | Rice-field weeding composition containing florasulam and cyhalofop-butyl |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684672A (en) * | 2018-06-07 | 2018-10-23 | 合肥喜田生物科技有限公司 | A kind of mixed herbicide and its application of the metamifops of, containing cyhalofop-butyl and florasulam |
Citations (6)
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|---|---|---|---|---|
| CN101861867A (en) * | 2010-06-22 | 2010-10-20 | 惠州市中迅化工有限公司 | Pesticide compound containing penoxsulam and cyhalofop-butyl and application thereof |
| CN102318618A (en) * | 2011-07-07 | 2012-01-18 | 陕西美邦农药有限公司 | Weeding composition containing florasulam and fluroxypyr |
| CN102326564A (en) * | 2011-07-12 | 2012-01-25 | 陕西美邦农药有限公司 | Weeding composition containing florasulam |
| CN102860314A (en) * | 2012-10-15 | 2013-01-09 | 吴治国 | Flumetsulam containing weeding composition |
| CN104839188A (en) * | 2015-05-13 | 2015-08-19 | 广东中迅农科股份有限公司 | Weeding composition containing propyrisulfuron, cyhalofop-butyl and penoxsulam |
| CN105104375A (en) * | 2015-08-14 | 2015-12-02 | 京博农化科技股份有限公司 | Glycerine-containing herbicidal composition |
-
2015
- 2015-12-18 CN CN201510969641.2A patent/CN105432633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101861867A (en) * | 2010-06-22 | 2010-10-20 | 惠州市中迅化工有限公司 | Pesticide compound containing penoxsulam and cyhalofop-butyl and application thereof |
| CN102318618A (en) * | 2011-07-07 | 2012-01-18 | 陕西美邦农药有限公司 | Weeding composition containing florasulam and fluroxypyr |
| CN102326564A (en) * | 2011-07-12 | 2012-01-25 | 陕西美邦农药有限公司 | Weeding composition containing florasulam |
| CN102860314A (en) * | 2012-10-15 | 2013-01-09 | 吴治国 | Flumetsulam containing weeding composition |
| CN104839188A (en) * | 2015-05-13 | 2015-08-19 | 广东中迅农科股份有限公司 | Weeding composition containing propyrisulfuron, cyhalofop-butyl and penoxsulam |
| CN105104375A (en) * | 2015-08-14 | 2015-12-02 | 京博农化科技股份有限公司 | Glycerine-containing herbicidal composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684672A (en) * | 2018-06-07 | 2018-10-23 | 合肥喜田生物科技有限公司 | A kind of mixed herbicide and its application of the metamifops of, containing cyhalofop-butyl and florasulam |
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