CN107646858A - A kind of herbicidal composition for rice terrace and application thereof - Google Patents
A kind of herbicidal composition for rice terrace and application thereof Download PDFInfo
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- CN107646858A CN107646858A CN201710839642.4A CN201710839642A CN107646858A CN 107646858 A CN107646858 A CN 107646858A CN 201710839642 A CN201710839642 A CN 201710839642A CN 107646858 A CN107646858 A CN 107646858A
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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
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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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
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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
- 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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Abstract
The present invention relates to a kind of herbicidal composition for rice terrace and application thereof, the herbicidal composition is made up of penoxsuam, cyhalofop-butyl and pendimethalin active component.There is herbicidal composition of the present invention " closing down " to have both; prevention and control time length, herbicide spectrum width, effect are good; during particularly for agent for removing grass in paddy field; use the weeding pattern of once " inside front cover kills " that herbicide substitution of the present invention is applied at present; can reduce makes medicine number, reduces recruitment, reduces agriculture sheet; also mitigate farmland surface pollution sources simultaneously, be advantageous to ecological environmental protection.
Description
【Technical field】
The invention belongs to technical field of pesticide.More particularly it relates to a kind of combinations of herbicides for rice terrace
Thing, further relate to the purposes of the herbicidal composition.
【Background technology】
It is a kind of light-duty based on direct sowing on dry paddy field, water direct seeding (hereinafter referred to as rice terrace) etc. with advance in agricultural science and technology
Planting type is substituting traditional tree transplanted mode, in practice it has proved that rice light cultivation have simplify farming, using water wisely,
Save recruitment, reduce the high clear superiority of agriculture sheet, yield；Practice also show the weeds in field grass of light cultivation mode it is mutually complicated,
Density is big, cause harm phase length, and it is big to prevent and kill off difficulty.The weeds in field of light cultivation mode has two germination peaks according to observations, and first goes out
Natural plant height peak is 7 days after planting, and the second germination peak is 20-25 days after planting.At present, used before the first germination peak
Soil closing medicament such as pretilachlor, mefenacet, pendimethalin or the like carries out before seedling and closed down；Used during the second germination peak
After seedling cauline leaf process medicament such as dichloro quinoline acid, cyhalofop-butyl and penoxsuam or the like carries out cauline leaf mist of disputing and prevented and kill off, after
Benefit is carried out with cauline leaf process medicament to omission weeds within 10-15 days to control.So, direct sowing rice field is continuous in after planting 35-40 days
Use 3-4 herbicide.In produce reality, in order to reduce times for spraying, reduce recruitment, reduction agriculture sheet, peasant household will in field
Soil closing medicament carries out mixed with cauline leaf process medicament, scientific (is related to the reasonable of medicament active ingredient collocation due to lacking
Property, the technical problem such as medication optimum period) preventive effect is unstable, poisoning often occurs, causes the rice underproduction, accelerates weeds to resist
The property of medicine, aggravate farmland surface pollution.As can be seen here, a kind of efficient, herbicides for use in paddy that wide spectrum, lasting effect are good, safe is researched and developed,
Rice broadcasts latter 15-20 days (the second germination peak initial period) i.e. careless leaf of age 2 or so use, accomplishes to kill first peak grass, shuts the
Two peaks grass, reach the purpose of effectively control rice terrace grassy weed, nutgrass flatsedge and broadleaved herb, this is that direct seading rice production urgent need will
The technical problem of solution.
Therefore, the present inventor is by lot of experiments and analysis and summary, by penoxsuam, cyhalofop-butyl and diformazan penta
Clever science combination completes the present invention.
【The content of the invention】
[technical problems to be solved] it is an object of the invention to provide a kind of herbicidal composition for rice terrace.
It is a further object to provide the purposes of the herbicidal composition for rice terrace.
[technical scheme]
The present invention is achieved through the following technical solutions.
The present invention relates to a kind of herbicidal composition for rice terrace.
Described herbicidal composition is by 0.5~10.0 parts by weight penoxsuam, 1.0~40.0 parts by weight cyanogen fluorine grass
What ester and 3.0~60.0 parts by weight pendimethalins formed.
A preferred embodiment of the invention, described herbicidal composition are by the fluorine of 1.0~7.5 parts by weight five
What sulphur grass amine, 4.0~30.0 parts by weight cyhalofop-butyls and 8.0~45.0 parts by weight pendimethalins formed.
The invention further relates to a kind of compound herbicide for rice terrace.
Described compound herbicide contains the herbicidal composition described in 10~61.5% by weight, is agricultural chemicals with surplus
Upper acceptable carrier and auxiliary agent.
A preferred embodiment of the invention, described compound herbicide contain by weight described in 18~55%
Herbicidal composition, with surplus be agricultural chemicals on acceptable carrier and auxiliary agent.
According to another preferred embodiment of the present invention, described compound herbicide contains 25~45% institute by weight
The herbicidal composition stated, it is acceptable carrier and auxiliary agent on agricultural chemicals with surplus.
According to another preferred embodiment of the present invention, described carrier is selected from kaolin, precipitated calcium carbonate, White Carbon black
Deng；Auxiliary agent is selected from wetting agent, dispersant, disintegrant or binding agent.
According to another preferred embodiment of the present invention, the formulation of the compound herbicide is oil-suspending agent, wettable
Pulvis, missible oil or aqueous emulsion agent.
The invention further relates to purposes of the described compound herbicide in paddy field weed is prevented and treated.
A preferred embodiment of the invention, described paddy field weed are grassy weed, sedge weed
With broad leaved weed.
According to the present invention another preferred embodiment, described rice terrace be rice seedling bed, direct-sowing dry field, direct-sowing rice,
Machine transplanting of rice rice seedling bed or transplanting rice seedling bed and dryland paddy.
The present invention is described in more detail below.
The present invention relates to a kind of herbicidal composition for rice terrace.
Described herbicidal composition is by 0.5~10.0 parts by weight penoxsuam, 1.0~40.0 parts by weight cyanogen fluorine grass
What ester and 3.0~60.0 parts by weight pendimethalins formed.
In the present invention, penoxsuam (penoxsulam) chemistry claims to be triazolopyrimidine sulfonamide, and it is by the U.S.
The rice field broad-spectrum herbicide of Tao Nongke companies (DowAgroSciences) exploitation, can effectively prevent and kill off barnyard grass, including to five
The barnyard grass of penoxsulam, dichloro quinolinic acid and anti-acetyl-CoA carboxylase tool resistance, moleplant seed and annual Cyperaceae are miscellaneous
Grass, and it is effective that different stamen flower, sesbania, ring flower or the like numerous broad leaved weeds are given birth to such as natural pond.Penoxsuam is applied to Rice In Drought Rice Nursery
Live field, direct-sowing rice, rice seedling bed and rice transplanting, rice transplanting cultivation field.Penoxsuam is inhaled by cauline leaf, young shoot and root system by rice
Receive, soil processing insecticide-applying way dispenser is sprayed or mixed to generally use.But poisoning be present in paddy growth early application, safety
The problem of property difference.At present, the product is own uses more than 20 years, difformed galingale herb, barnyard grass, water barnyard grass, paddy field barnyard grass, rhizoma alismatis, cyperus iria, Meng Te
Step on the weeds such as arrowhead and the resistance to the action of a drug, such as water barnyard grass and paddy field barnyard grass preventive effect only 20-30% are generated to penoxsuam, cyperus iria is only
15%.
Cyhalofop-butyl, chemical name (R) -2- [4- (4- cyano group -2- fluorophenoxies) phenoxy group] butyl propionate, belongs to fragrant oxygen benzene
Epoxide propionic acid ester herbicide.It can be absorbed by plant leaf blade and leaf sheath, bast conduction, accumulate in plant meristematic zone, suppress
Acetyl-CoA carboxylase, stop aliphatic acid synthesis, cell division can not be normally carried out, the quilt of structure containing fat such as membranous system
Destroy, finally result in Plant death.Cyhalofop-butyl is to moleplant seed special efficacy, using cauline leaf process, and it is very high to Security of rice.
But it is poor to above the average age for marriage barnyard grass preventive effect, invalid to broadleaved herb and nutgrass flatsedge.
Pendimethalin, chemical name N- (1- ethyl propyls) -2,6- dinitro -3,4- dimethylanilines；N- (1- ethyls third
Base) -3,4- dimethyl -2,6- dinitroanilines；For dinitroaniline herbicide, mainly suppress meristem cell division,
The sprouting of weed seed is not influenceed, but is worked after being absorbed during suppressing weed seed germination by young shoot, stem and root.Shuangzi
Leaf plant absorption position is hypocotyl, and monocotyledon is young shoot, and its damage symptoms is that young shoot and secondary root are suppressed.It is main anti-
Except annual gramineous weed, part broad leaved weed and nutgrass flatsedge.
Herbicidal combinations of the present invention are to be closed to form with the class processing mode combination of monomers of cauline leaf process two by soil, are had
The characteristics of " closing down " has both, and synergistic effect is notable, and the prevention and control time is long, effect is good.
In the present invention, when cyhalofop-butyl and pendimethalin are in described content range, if penoxsuam contains
It is poor to barnyard grass preventive effect when amount is less than 0.5 parts by weight；If the content of penoxsuam is higher than 10.0 parts by weight, helpless raising
Quality is prevented and treated, causes to waste, and it is dangerous to rice；Therefore, the content of penoxsuam is that 0.5~10.0 parts by weight are reasonable
, preferably 1.0~7.5 parts by weight, more preferably 1.2~5.5 parts by weight.
Similarly, when penoxsuam and pendimethalin are in described content range, if the content of cyhalofop-butyl is small
It is poor to a thousand pieces of gold preventive effect in 1.0 parts by weight；It is also no so far to be used for this if the content of cyhalofop-butyl is higher than 40.0 parts by weight
The auxiliary agent of kind high content cyhalofop-butyl formulation and ripe production technology；Therefore, the content of cyhalofop-butyl is 1.0~40.0 weight
Part is appropriate, preferably 4.0~30.0 parts by weight, more preferably 6.0~20.0 parts by weight.
In the present invention, when penoxsuam and cyhalofop-butyl are in described content range, if pendimethalin contains
Amount is less than 3.0 parts by weight, can reduce soil closing preventive effect；If the content of pendimethalin is higher than 60.0 parts by weight, do not have also so far
There are the auxiliary agent for this high content pendimethalin formulation and ripe production technology；Therefore, the content of pendimethalin be 3.0~
60.0 parts by weight are suitable, preferably 8.0~45.0 parts by weight, more preferably 12.0~30.0 parts by weight.
Penoxsuam, cyhalofop-butyl and the pendimethalin that the present invention uses all are current market sales of products, example
The penoxsuam such as sold by LG-DOW company, by the cyhalofop-butyl of Jiangsu Zhong Qi crop protection limited distributions, by Changzhou
The pendimethalin of Su Yue Chemical Co., Ltd.s sale.
Preferably, described herbicidal composition is by 1.0~7.5 parts by weight penoxsuams, 4.0~30.0 parts by weight
What cyhalofop-butyl and 8.0~45.0 parts by weight pendimethalins formed.
It is highly preferred that described herbicidal composition is by 1.2~5.5 parts by weight penoxsuams, 6.0~20.0 weight
What part cyhalofop-butyl and 12.0~30.0 parts by weight pendimethalins formed.
The invention further relates to a kind of compound herbicide for rice terrace.Described compound herbicide contains by weight 10
Herbicidal composition described in~61.5%, it is acceptable carrier and auxiliary agent on agricultural chemicals with surplus.
In the present invention, on agricultural chemicals acceptable carrier or auxiliary agent it should be understood that being used in Pesticide formulation or use
In improving medicament physicochemical property, drug effect is improved, is readily transported the auxiliary substance of the performances such as storage, such as wetting agent, dispersant, is collapsed
Solve agent, binding agent and filler.It is every that there are these performances and do not have to compound herbicide of the present invention any negative according to the present invention
The chemical substance that face rings may be used to the present invention, and they are also all within protection scope of the present invention.
The carrier or auxiliary agent that the present invention uses all are commonly utilized carrier or auxiliary agent in technical field of pesticide, such as are soaked
Agent Tersperse 1004 (agent Sulfonates anion wetting agent)；Dispersant Geropon T/36 (polycarboxylate anions point
Powder), Tamol DN (phenolsulfonic acid condensation product sodium salt)；Help disintegrating agent carboxymethyl base cellulose；Binding agent polyvinyl alcohol 1799；Expand
Powder NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate)；Detergent (to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt), ammonium sulfate, sulfomethylated lignin
Sour sodium；Filler cornstarch；, white carbon, kaolin etc..The carrier or auxiliary agent that the present invention uses all are current market sales of
Product, for example, sold by Shang Hai System river Chemical Co., Ltd.s with trade name Tersperse 1004 Tersperse 1004, by
It is Geropon T/36 that Nanjing Guan Hua trade Co., Ltds are sold with trade name Geropon T/36, limited by upper Haitai the present chemical industry
The public carboxylic that fine chemistry industry is shone with Tamol DN of trade name TAMOL DN sale, by Shanghai ten thousand and has company to be sold with trade name CMC
Methylcellulose, the NNO sold by Shanghai Tiantan Accessory Ingredient Co., Ltd with trade name dispersing agent NNO etc..
According to the present invention, if the herbicidal composition content in the compound herbicide is less than 10.0%, preventive effect
Difference, no practical value；If the herbicidal composition content in the compound herbicide is more than 61.5%, this high content there is no
The auxiliary agent of formulation and ripe production technology；Therefore, herbicidal composition content be 10%~61.5% be it is rational, preferably
It is 18~55%, more preferably 25~45%.
Preferably, described compound herbicide contains the herbicidal composition described in 18~55% by weight and is with surplus
Acceptable carrier and/or auxiliary agent on agricultural chemicals.
It is highly preferred that described compound herbicide contains the herbicidal composition and surplus described in 25~45% by weight
For acceptable carrier and/or auxiliary agent on agricultural chemicals.
In actual applications, can according to method well known to those skilled in the art by the present invention herbicidal composition with
Carrier and auxiliary agent are configured to the formulation in agriculturally generally use.According to the present invention, the formulation of the compound herbicide is that oil is outstanding
Floating agent, wettable powder, missible oil or aqueous emulsion agent.For example with method well known to those skilled in the art removing the present invention
Careless agent composition and organobentonite, BriJ 30 (oxireme lauryl ether), SILWET L-77 polyoxyethylene polyoxypropylenes
Copolymer, the dispersants of ATLOX 4914, vegetable fat, are configured to oil-suspending agent.
The invention further relates to purposes of the described compound herbicide in paddy field weed is prevented and treated.
According to the present invention, described paddy field weed is grassy weed, sedge weed and broad leaved weed.Described water
Rice field is rice seedling bed, direct-sowing dry field, direct-sowing rice, machine transplanting of rice rice seedling bed or transplanting rice seedling bed and dryland paddy.
When preventing and treating paddy field weed, compound herbicide application method of the present invention is typically to spray；The dosage used is usual
It is every mu of effective ingredient 45g (during the weeds 2-3 leaf phases).
[beneficial effect]
The beneficial effects of the invention are as follows：
I, " close down " and have both, preventive effect is high.Compound herbicide of the present invention is by soil closing and the class processing side of cauline leaf process two
Formula combination of monomers forms, and there is " closing down " to have both synergy notable, and the prevention and control time is long, effect is good.
II, reduce times for spraying, favorable environment protection.Compound herbicide feature of the present invention is that " closing down " is had both synergy and shown
Write, during particularly for direct sowing rice field weeding, use once current " inside front cover kills " pattern of compound herbicide substitution of the present invention, subtract
Few times for spraying, mitigates farmland surface pollution sources, practices " pesticide reduction, green prevention and control ", favorable environment protection, while also reduces
Recruitment, reduce agriculture sheet.
III, delay Weed Resistance, be advantageous to resistant weed improvement.The compound herbicide of the present invention is by three not same-actions
The active component composition multiple spot hit target of mechanism, improves preventive effect, has delayed the generation of herbicide resistance.
It is IV, safe.The security survey result of table 9 shows that compound herbicide of the present invention is applied to rice terrace after seedling
Cauline leaf process is to Security of rice.
【Embodiment】
The present invention is will be better understood that by following embodiments.
Embodiment 1：Prepare the multiple Emulsionable herbicides of the present invention
The implementation steps of the embodiment are as follows：
Weigh 0.5 parts by weight penoxsuam, 20.0 parts by weight cyhalofop-butyls, 4.5 parts by weight pendimethalins, 13.5 weight
Part isophorone cosolvent, 9.3 parts by weight cyclohexanone cosolvents, 5.9 parts by weight calcium dodecyl benzene sulfonate emulsifying agents, 8.6 weights
Amount part castor oil polyoxyethylene ether BY-140 emulsifying agents, 3.5 parts by weight epoxy soybean oil stabilizers are with being supplemented to 100 parts by weight
Oily 150# solvents.Above-mentioned cosolvent and partial solvent are pumped into batching kettle, add penoxsuam and cyhalofop-butyl, is opened
It is heated with stirring to and is completely dissolved, then adds remaining solvent, stabilizer and emulsifying agent.It is uniformly mixed, is transferred to sedimentation kettle
One night of middle sedimentation, filtering, obtained supernatant meet the mark according to HG/T 2467.2-2003 standard detection items quality index
Standard, that is, penoxsuam and cyhalofop-butyl total content is made as by weight 25% compound herbicide agent emulsifiable solution.
Embodiment 2：Prepare compound herbicide aqueous emulsion of the present invention
The implementation steps of the embodiment are as follows：
It is prepared by oil phase：
Weigh 1.0 parts by weight penoxsuams, 1.0 parts by weight cyhalofop-butyls, 8.0 parts by weight pendimethalins, 22.5 weight
Part dimethylbenzene, 18.6 parts by weight methyl oleates and 12.0 parts by weight TEVA 4242-Q, are poured into batching kettle successively, open stirring
It is heated to being completely dissolved；
It is prepared by aqueous phase：
Weigh 5.6 parts by weight ethylene glycol and 27.0 parts by weight water pour into cutting kettle, open and shear to completely molten even；
Oil phase is mixed with water：
The oil phase of above-mentioned preparation is added and (is pumped into) into the aqueous phase in cutting kettle, and is supplemented to total amount with water and is
100 parts by weight, sheared 1 hour in cutting kettle.Then according to HG/T 2467.9-2003 standard detection items quality index, symbol
Close the compound herbicide aqueous emulsion that penoxsuam is made in the standard with cyhalofop-butyl total content is by weight 10%.
Embodiment 3：Prepare compound herbicide wettable powder of the present invention
The implementation steps of the embodiment are as follows：
Weigh 7.5 parts by weight penoxsuams, 2.5 parts by weight cyhalofop-butyls, 45.0 parts by weight pendimethalins, 3.3 weight
Part wetting agent Tersperse 1004 (Huntsman), 5.2 parts per weight dispersing agent Geropon T/36 (Rhodia), 2.5 weight
Part dispersant Tamol DN (BASF), 2.5 parts by weight sodium lignin sulfonates, 18 parts by weight white carbons and it is supplemented to 100 parts by weight
Kaolin, pour into mixer, stir (30 minutes) successively.The female powder of mixing is subjected to air-flow crushing, then will be main
The material that machine material and dust arrester are collected mixes 10 minutes again.Then according to HG/T 2467.3-2003 standard detection items matter
Figureofmerit, qualified penoxsuam, cyhalofop-butyl and the pendimethalin total content of being made of detection indices are (by weight)
55% wettable powder, metering, packing, finished product storage.
Embodiment 4：Prepare compound herbicide oil-suspending agent of the present invention
The implementation steps of the embodiment are as follows：
Weigh 2.0 parts by weight penoxsuams, 40.0 parts by weight cyhalofop-butyls, 3.0 parts by weight pendimethalins, 1.5 weight
Part organobentonite, 5.8 parts by weight BriJ 30 (oxireme lauryl ether), 13.2 parts by weight SILWET L-77 polyoxyethylene
Poiyoxypropylene copolymer, the dispersants of 7.8 parts by weight ATLOX 4914 and 100 parts by weight vegetable fat are supplemented to, pour into cut successively
Cut and sheared in kettle uniform 40 minutes；Then the semi-finished product of shearing are ground into suspensibility at normal temperatures and pressures by grinder to reach
Mark, then according to HG/T 2467.5-2003 standard detection items quality index, meets standard and penoxsuam, cyanogen fluorine is made
Careless ester is by weight 45.0% oil-suspending agent with pendimethalin total content, and metering, packing, finished product are put in storage.
Embodiment 5：Prepare compound herbicide aqueous suspension agent of the present invention
The implementation steps of the embodiment are as follows：
Weigh 0.5 parts by weight penoxsuam, 6.0 parts by weight cyhalofop-butyls, 11.5 parts by weight pendimethalins, 3.6 weight
Part APES, 6.0 parts by weight of polyoxyethylene polyoxy propylene block compounds, 1.4 parts by weight xanthans and supplement
To the water of 100 parts by weight, pour into cutting kettle and shear uniform 40 minutes successively, by the semi-finished product of shearing by grinder in normal temperature
It is up to standard that suspensibility is ground under normal pressure, then according to HG/T 2467.5-2003 standard detection items quality index, meets standard
Penoxsuam, cyhalofop-butyl and pendimethalin total content is made into as by weight 18% aqueous suspension agent, metering, divides
Dress, finished product storage.
Embodiment 6：Prepare compound herbicide oil-suspending agent of the present invention
The implementation steps of the embodiment are as follows：
Weigh 10.0 parts by weight penoxsuams, 10.0 parts by weight cyhalofop-butyls, 12.0 parts by weight pendimethalins, 2.0 weights
Measure part organobentonite, 6.0 parts by weight BriJ 30 (oxireme lauryl ether), 18.0 parts by weight SILWET L-77 polyoxy second
Alkene poiyoxypropylene copolymer, the dispersants of 6.8 parts by weight ATLOX 4914 and 100 parts by weight vegetable fat are supplemented to, poured into successively
Sheared in cutting kettle uniform 40 minutes；Then the semi-finished product of shearing are ground into suspensibility at normal temperatures and pressures by grinder to reach
Mark, then according to HG/T 2467.5-2003 standard detection items quality index, meets standard and penoxsuam, cyanogen fluorine is made
Careless ester is by weight 32.0% oil-suspending agent with pendimethalin total content, and metering, packing, finished product are put in storage.
Embodiment 7：Prepare compound herbicide oil-suspending agent of the present invention
The implementation steps of the embodiment are as follows：
Weigh 1.2 parts by weight penoxsuams, 30.0 parts by weight cyhalofop-butyls, 3.8 parts by weight pendimethalins, 2.0 weight
Part organobentonite, 6.1 parts by weight BriJ 30 (oxireme lauryl ether), 18.0 parts by weight SILWET L-77 polyoxyethylene
Poiyoxypropylene copolymer, the dispersants of 6.9 parts by weight ATLOX 4914 and 100 parts by weight vegetable fat are supplemented to, pour into cut successively
Cut and sheared in kettle uniform 40 minutes；Then the semi-finished product of shearing are ground into suspensibility at normal temperatures and pressures by grinder to reach
Mark, then according to HG/T 2467.5-2003 standard detection items quality index, meets standard and penoxsuam, cyanogen fluorine is made
Careless ester is by weight 35.0% oil-suspending agent with pendimethalin total content, and metering, packing, finished product are put in storage.
Embodiment 8：Prepare compound herbicide wettable powder of the present invention
The implementation steps of the embodiment are as follows：
Weigh 0.5 parts by weight penoxsuam, 1.0 parts by weight cyhalofop-butyls, 60.0 parts by weight pendimethalins, 2.5 weight
Part wetting agent Tersperse 1004 (Huntsman), 4.5 parts per weight dispersing agent Geropon T/36 (Rhodia), 3.8 weight
Part dispersant Tamol DN (BASF), 4.5 parts by weight NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate), 1.5 parts by weight detergents (LS) are with mending
The white carbon of 100 parts by weight is charged to, pours into mixer and stirs 30 minutes successively.The female powder of mixing is subjected to air-flow powder
It is broken, after terminating, the material that main frame material and dust arrester are collected is mixed 10 minutes again.Then, according to HG/T 2467.3-
2003 standard detection items quality index, meeting standard i.e. obtained penoxsuam, cyhalofop-butyl and pendimethalin total content is
61.5% wettable powder by weight, metering, packing, finished product storage.
Embodiment 9：Prepare compound herbicide oil-suspending agent of the present invention
The implementation steps of the embodiment are as follows：
Weigh 3.5 parts by weight penoxsuams, 14.5 parts by weight cyhalofop-butyls, 22.0 parts by weight pendimethalins, 1.9 weight
Part organobentonite, 6.2 parts by weight BriJ 30 (oxireme lauryl ether), 18.0 parts by weight SILWET L-77 polyoxyethylene
Poiyoxypropylene copolymer, the dispersants of 7.3 parts by weight ATLOX 4914 and 100 parts by weight vegetable fat are supplemented to, pour into cut successively
Cut and sheared in kettle uniform 40 minutes；Then the semi-finished product of shearing are ground into suspensibility at normal temperatures and pressures by grinder to reach
Mark, then according to HG/T 2467.5-2003 standard detection items quality index, meets standard and penoxsuam, cyanogen fluorine is made
Careless ester is by weight 40% oil-suspending agent with pendimethalin total content, and metering, packing, finished product are put in storage.
Embodiment 10：Prepare compound herbicide wettable powder of the present invention
The implementation steps of the embodiment are as follows：
Weigh 5.5 parts by weight penoxsuams, 14.5 parts by weight cyhalofop-butyls, 30.0 parts by weight pendimethalins, 2.6 weight
Part wetting agent Tersperse 1004 (Huntsman), 4.5 parts per weight dispersing agent Geropon T/36 (Rhodia), 3.9 weight
Part dispersant Tamol DN (BASF), 4.5 parts by weight NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate), 1.4 parts by weight detergents (LS) are with mending
The white carbon of 100 parts by weight is charged to, pours into mixer and stirs 30 minutes successively.The female powder of mixing is subjected to air-flow powder
It is broken, after terminating, the material that main frame material and dust arrester are collected is mixed 10 minutes again.Then, according to HG/T2467.3-
2003 standard detection items quality index, meeting standard i.e. obtained penoxsuam, cyhalofop-butyl and pendimethalin total content is
50% wettable powder by weight, metering, packing, finished product storage.
Test example 1：Toxicity is tested
The implementation steps of the embodiment are as follows：
The compound herbicide agent formulation prepared using embodiment 1-5 determines pharmacy mix to rice field main weeds barnyard grass, a thousand pieces of gold
Son, lady's-grass, Ammannia multiflora Roxb co-toxicity coefficient (CTC).
Test method：Load fine earth in the plastic culture alms bowl of 17 × 10 × 5 (cm) specifications, be then sowed at weed seed
Wherein, barnyard grass and moleplant seed are sowed in same alms bowl, lady's-grass and are spent more water amaranth and are sowed in same alms bowl, and every kind of weeds sow 30,
In heliogreenhouse culture to 21 heart of leaf when carry out chemicals treatment, specific processing method according to《People's Republic of China's agricultural industry
Standard NY/T 1155.7-2006, the part of farm-chemical indoor determination test rule herbicide the 7th：The synergy of mixture is surveyed
It is fixed》Perform.After processing 25 days, investigate each processing residual survival weeds aerial part fresh weight result and be listed in table 1,2.
Table 1：The fresh weight (gram) of weeds barnyard grass and moleplant seed after the processing of herbicide mixture
Note：Five fluorine in table：Cyanogen：First penta represents penoxsuam, cyhalofop-butyl and pendimethalin respectively, similarly hereinafter.The weeding of table 2
The fresh weight (gram) of weeds lady's-grass and Ammannia multiflora Roxb after the processing of agent mixture
Fresh weight preventive effect is calculated according to the following equation：
According to document (old spring chief editor pesticide bioassay technology [M] Beijing：Publishing house of Beijing Agricultural University, 1991
Year October) description co-toxicity coefficient method, by dosing with corresponding fresh weight preventive effect is converted calculates each medicament single dose and proportioning
To weeds virulence regression equation and co-toxicity coefficient.If co-toxicity coefficient, which is more than 120, represents that they have a synergistic effect, co-toxicity coefficient is small
Represent that they have antagonism in 80, co-toxicity coefficient is that 80-120 represents that they have summation action.Virulence regression equation,
ED50Malicious coefficient results are listed in the table below in 3-6 together.
Table 3：Penoxsuam, cyhalofop-butyl, pendimethalin and Herbicidal composition of the present invention are surveyed to barnyard grass toxicity
Determine result
The result that table 3 is listed shows that 5 mixed embodiments of penoxsuam, cyhalofop-butyl, pendimethalin are to barnyard grass
Co-toxicity coefficient is all higher than 120, and three is mixed to show as synergistic effect.
Table 4：Penoxsuam, cyhalofop-butyl, pendimethalin and Herbicidal composition of the present invention are to moleplant seed toxicity
Measurement result
The result that table 4 is listed shows, in 5 mixed embodiments of penoxsuam, cyhalofop-butyl, pendimethalin, implements
Example 1 is 115.2 to the co-toxicity coefficient of moleplant seed, and three is mixed to show as summation action, and embodiment 2-5 co-toxicity coefficient is all higher than
120, it is synergistic effect.
Table 5：Penoxsuam, cyhalofop-butyl, pendimethalin and Herbicidal composition of the present invention are surveyed to lady's-grass toxicity
Determine result
The result that table 5 is listed shows, 5 mixed embodiments of penoxsuam, cyhalofop-butyl, pendimethalin, to implementing
Example 4 is 118.2 to the co-toxicity coefficient of lady's-grass, and three is mixed to show as summation action, and the co-toxicity coefficient of embodiment 1,2,3,5 is big
It is synergistic effect in 120.
Table 6：Penoxsuam, cyhalofop-butyl, pendimethalin and Herbicidal composition of the present invention are in Ammannia multiflora Roxb room
Determination of activity result
The result listed from table 6 shows, 5 mixed embodiments of penoxsuam, cyhalofop-butyl, pendimethalin, to embodiment 4
Co-toxicity coefficient to Ammannia multiflora Roxb is 108.5, and three is mixed to show as summation action, the co-toxicity coefficient of embodiment 1,2,3,5
120 are all higher than, is synergistic effect.
The result that table 3-6 is listed all shows, penoxsuam, cyhalofop-butyl and pendimethalin three compounding prevent and kill off barnyard grass,
Moleplant seed, lady's-grass, Ammannia multiflora Roxb are shown as based on synergistic effect.
Test example 2：Field control effectiveness test
Test medicine:5 kinds of ternary built agent prepared by embodiment 1-5；
Comparison medicament:The dispersible finish of 2.5% penoxsuam, 15% cyhalofop-butyl missible oil, 33% pendimethalin missible oil；
Trial crops：Rice；
Control object：Barnyard grass, moleplant seed, lady's-grass, Ammannia multiflora Roxb；
Test field selection：Direct-sowing dry paddy field, paddy growth is good, and more fields occurs for weeds；
Make medicine period：The weeds 2-3 leaf phases (rice seedling 3-4 leaves).
Test method：According to《GB/1798.41-2000 field control effectiveness tests criterion is implemented, and accurately weighs or draws everywhere
The dosage of medicament is managed, with knapsack sprayer to water spray, separately sets clear water control treatment, each 20 squares of plot area of processing
Rice, random alignment, is repeated three times.
Preventive effect is investigated respectively within 45 days after dispenser, the safety to rice is managed in range estimation in 5 days after administration, 10 days and 20 days everywhere
Property.
A, the preventive effect of preparation prepared by the embodiment of the present invention in field test
Table 7：Preventive effect after invention formulation dispenser 45 days
Table 8：Fresh weight preventive effect after invention formulation dispenser 45 days
B, preparation prepared by the embodiment of the present invention is to Security of rice field investigation
Table 9：Invention formulation is to Security of rice investigation result
It is each to handle rice well-grown in cell under conventional effectively 1.5 times of dosage, do not occur dead seedling, also do not observe
There is leaf color to rice and fall the symptoms such as yellow or stiff seedling, it is safe to rice to show these medicaments.
Claims (10)
1. a kind of herbicidal composition for rice terrace, it is characterised in that described herbicidal composition is by 0.5~10.0
What parts by weight penoxsuam, 1.0~40.0 parts by weight cyhalofop-butyls and 3.0~60.0 parts by weight pendimethalins formed.
2. herbicidal composition according to claim 1, it is characterised in that described herbicidal composition be by 1.0~
What 7.5 parts by weight penoxsuams, 4.0~30.0 parts by weight cyhalofop-butyls and 8.0~45.0 parts by weight pendimethalins formed.
A kind of 3. compound herbicide for rice terrace, it is characterised in that described compound herbicide contain by weight 10~
Herbicidal composition described in 61.5% claim 1 or 3, it is acceptable carrier and auxiliary agent on agricultural chemicals with surplus.
4. compound herbicide according to claim 3, it is characterised in that described compound herbicide contains by weight 18
Herbicidal composition described in~55% claim 1 or 3, it is acceptable carrier and auxiliary agent on agricultural chemicals with surplus.
5. compound herbicide according to claim 3, it is characterised in that described compound herbicide contains by weight 25
Herbicidal composition described in~45% claim 1 or 3, it is acceptable carrier and auxiliary agent on agricultural chemicals with surplus.
6. compound herbicide according to claim 3, it is characterised in that described carrier auxiliary agent is selected from kaolin, lightweight carbon
Sour calcium, White Carbon black etc.；Auxiliary agent is selected from wetting agent, dispersant, disintegrant or binding agent.
7. compound herbicide according to claim 3, it is characterised in that the formulation of the compound herbicide be oil-suspending agent,
Wettable powder, aqueous emulsion or missible oil formulation.
8. use of the compound herbicide in paddy field weed is prevented and treated according to any one of claim 3-8 claim
On the way.
9. purposes according to claim 8, it is characterised in that described paddy field weed is that grassy weed, Cyperaceae are miscellaneous
Grass and broad leaved weed.
10. purposes according to claim 8, it is characterised in that described rice terrace be rice seedling bed, dryland paddy, direct-sowing dry field,
Direct-sowing rice, machine transplanting of rice rice seedling bed or transplanting rice seedling bed and dryland paddy.
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| CN110622966A (en) * | 2019-09-29 | 2019-12-31 | 海南天道种业有限公司 | Herbicide composition for paddy field and preparation method thereof |
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