CN107006494A - Rice field Herbicidal combinations - Google Patents
Rice field Herbicidal combinations Download PDFInfo
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- CN107006494A CN107006494A CN201710071978.0A CN201710071978A CN107006494A CN 107006494 A CN107006494 A CN 107006494A CN 201710071978 A CN201710071978 A CN 201710071978A CN 107006494 A CN107006494 A CN 107006494A
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- oxadiargyl
- herbicidal combinations
- penoxsuam
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
- A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
- A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
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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 discloses a kind of rice field Herbicidal combinations, including oxadiargyl, three kinds of active ingredients of penoxsuam and prometryn, active ingredient mass ratio is 1 ~ 30：1~20：1 ~ 50, the mass percent summation of three kinds of active ingredients in the composition is 1 ~ 80%.Herbicidal combinations of the present invention, for the single dose or binary built composition of equally effective composition, synergistic effect is obvious, and effectively expand herbicide controlling spectrum, reduce effective ingredient consumption simultaneously, the security to crop is improved, and delays single medicament to use the occurrence and development of herbicide resistance.Herbicidal combinations of the present invention are applied to prevent and kill off the most of grassy weeds of rice terrace and broad leaved weed, particular against property barnyard grass, the weeds such as Setaria glauca, Monochoria vaginalis, duckweed, water silk floss, bog pondweed, difformed galingale herb have good preventive effect, and the lasting period is long, and safety is showed to paddy rice.
Description
Technical field
Invention belongs to technical field of pesticide, more particularly, to a kind of rice field Herbicidal combinations.
Background technology
Oxadiargyl (Oxadiargyl), chemical name 5- tertiary butyls -3- (2,4- bis- chloro- 5- (propargyl oxygen) benzene
Base -) -1,3,4- oxadiazole -2- (3H) -one are a kind of new oxadiazoles nitrogen-containing heteros of Rhone-Poulenc Company's exploitation
Ring class herbicide, is mainly absorbed through young shoot, seedling and root, and proporphyrinogen oxidase is suppressed by being accumulated in the vigorous position of growth
Activity and play herbicide effect.Annual grass is prevented and kill off available for paddy rice, potato, sunflower, vegetables, beet, orchard etc.
Section, Cyperaceae and broadleaved herb and part perennial weeds.
Penoxsuam (Penoxsulam), chemical name 2- (2,2- difluoro ethoxy)-N- (5,8- dimethoxies (1,2,4) three
Azoles-(1,5-C) pyrimidine -2-base)-6- trifluoromethyls-benzene sulfanilamide (SN), category triazolopyrimidine sulfonamides rice field after seedling broad-spectrum weed-killing
Agent, through cauline leaf, young shoot and Root Absorption, is conducted to separate living tissue by xylem and bast, is closed by suppressing acetolactic acid
Suppress plant strain growth into enzyme (ALS), growing point chlorosis, after processing 7-14d terminal buds redden, necrosis, the death of 2-4 week plant.It is right
Rice terrace barnyard grass preventive effect is good, also has certain preventive effect to angustifolia arrowhead herb, rhizoma alismatis, poor to rice Leersia Sw, Scirpus tabernaemontani preventive effect.Suitable for Rice In Drought Rice Nursery
Live field, direct-sowing rice, rice seedling bed and transplant field, insecticide-applying way can spread fertilizer over the fields processing using spraying or mixing soil, can be widely used for preventing
Except barnyard grass, Monochoria vaginalis and annual sedge weed, the lasting period is up to 30~60 days.
Prometryn (prometryn), double (the isopropylamino) -1,3,5-triazines of chemical name 2- methyl mercaptos -4,6-, a kind of three nitrogen
Benzene class selectivity translocated herbicide, is mainly entered in plant and is conducted by root absorption.To the Weed-control effect just sprouted
It is best.Suitable for paddy rice, cotton, soybean, wheat class, peanut, sunflower, potato, fruit tree, vegetable fields.See effectively prevent and kill off barnyard grass,
Lady's-grass, moleplant seed, green bristlegrass, amaranth, knotweed, lamb's-quarters, amur foxtail, difformed galingale herb, cyperus iria, needle spikesedge herb, bog pondweed, four leaf duckweed, firefly
A variety of weeds such as Lin, Procumbent Falsepimpernel, mexicana, rhizoma alismatis, Monochoria vaginalis, short arrowhead.
Oxadiargyl, three kinds of active ingredients of penoxsuam and prometryn are in chemical constitution, physicochemical property and effect machine
Reason is different, and corresponding herbicide ability, herbicide mechanism and herbicide controlling spectrum are different, and different herbicidal compositions are reasonably compounded, and leads to
Often it can both expand herbicide controlling spectrum, while the weeds prevented and kill off difficult to some comparisons play preferable preventive effect.
Chinese patent CN 104082315A《A kind of Herbicidal combinations containing oxadiargyl》Disclose a kind of comprising third
The Herbicidal combinations of Que Evil humulones, mesotrione and penoxsuam, the weight of oxadiargyl, mesotrione and penoxsuam
Amount is than being 0.1%~30%：0.1%~20%：0.1%~15%, it can effectively prevent and treat the water such as Monochoria vaginalis, barnyard grass and difformed galingale herb
Rice transplant field annual grassy weeds；Chinese patent CN 106172461A《A kind of Herbicidal composition for rice field》One kind is disclosed to contain
The Herbicidal combinations of orthosulfamuron, three kinds of active ingredient of oxadiargyl and prometryn, wherein orthosulfamuron, Bing Que Evil grass
The weight ratio of ketone and prometryn is 1：0.6~2.4：5~20, can effectively prevent and kill off the most of grass family of rice terrace, broadleaved herb and
Sedge weed；Chinese patent CN 103975934A《A kind of Herbicidal combinations containing oxadiargyl》One kind is disclosed to contain
There are oxadiargyl, the wherein Herbicidal combinations of three kinds of active ingredient of pretilachlor and penoxsuam, oxadiargyl, pretilachlor
Weight ratio with penoxsuam is 1~50：1~80：1~40, it can effectively prevent and kill off rice terrace annual grassy weeds；Chinese patent CN
103960258A《A kind of Herbicidal combinations containing penoxsuam》Disclose it is a kind of containing oxadiargyl, clomazones and
The weight of the Herbicidal combinations, wherein oxadiargyl, clomazones and penoxsuam of three kinds of active ingredient of penoxsuam
Than for 1~50：1~70：1~40, it can effectively prevent and kill off rice terrace annual grassy weeds.Chinese patent CN104488919A《One kind five
Penoxsulam and oxadiargyl oil-suspending agent and preparation method thereof》Disclose one kind and contain oxadiargyl and penoxsuam
The oil-suspending agent of two kinds of active ingredient, wherein oxadiargyl 1%~30%, penoxsuam weight ratio are 0.1%~30%,
Rice terrace annual grassy weeds can effectively be prevented and kill off.Chinese patent CN 104886105A《Penoxsuam and halosulfuronmethyl and third
The Herbicidal combinations of Que Evil humulones》Disclose a kind of effective containing three kinds of penoxsuam, halosulfuronmethyl and oxadiargyl
The weight ratio of the Herbicidal combinations of composition, wherein penoxsuam, halosulfuronmethyl and oxadiargyl is 0.01%~20%：
0.01%~30%：0.1%~50%, it can effectively prevent and kill off transplanted rice field annual grassy weeds.
Present invention seek to address that serious, the poor technical problem of prevention effect, Bing Que Evil grass occur for existing resistant weed
Ketone, penoxsuam and prometryn three kinds of active ingredients compounding, its mechanism of action are different, to the barnyard grass, anti-generally occurred at present
Property barnyard grass, green bristlegrass, Setaria glauca, Monochoria vaginalis, duckweed, water silk floss, bog pondweed, difformed galingale herb etc. have good preventive effect.
Have not yet to see the ternary built combinations of herbicides for being related to oxadiargyl, penoxsuam and prometryn composition
The relevant report of thing.
The present inventor matches somebody with somebody to the Herbicidal combinations containing oxadiargyl, three kinds of active ingredients of penoxsuam and prometryn
Side is screened and its furtherd investigate using technology, by lot of experiments, completes the present invention.The Herbicidal combinations can be solved effectively
The herbicide dispenser dosage that certainly current control of weeds is faced is big, and access times are more, and residues of pesticides are serious, and field resistance weeds are difficult
Effectively to prevent and kill off and easily produce the problems such as resistance.Cost accounting can have effectively been saved, the dirt to environment is reduced
Dye.
The content of the invention
The present invention is in order to overcome the deficiencies in the prior art to have obvious synergistic function there is provided one kind, to rice safety,
Weeds spectrum is wide, low-residual, low cost, the rice field Herbicidal combinations that can effectively delay herbicide resistance to produce.
To achieve these goals, the present invention uses following technical scheme：A kind of rice field Herbicidal combinations, including propine
Evil humulones, three kinds of active ingredients of penoxsuam and prometryn.
The mass ratio of the oxadiargyl, penoxsuam and prometryn is 1~30：1~20：1~50.
The weight of the oxadiargyl, penoxsuam and prometryn accounts for the 1~80% of Herbicidal combinations gross mass, remaining
Measure as agriculturally acceptable pesticidal preparations auxiliary element, auxiliary agent and other excipient surpluses.
Herbicidal combinations of the present invention, can be by conventional pesticide producing mode, and processing is prepared into wettable powder, oil and suspended
The formulation that various forms of suitable agricultural productions such as agent, suspending agent, water dispersible granules, granule are used.
The composition is applied to prevent and kill off the most of grassy weeds of rice terrace, broad leaved weed and Cyperaceae.
The composition is applied to prevent and kill off resistance barnyard grass, Setaria glauca, Monochoria vaginalis, duckweed, water silk floss, bog pondweed, abnormal shape
Nutgrass flatsedge
Described insecticides adjuvant is selected from emulsifying agent, wetting agent, dispersant, thickener, synergist, antifreezing agent, defoamer etc.
In one or more.
The carrier may be selected from white carbon, kaolin, diatomite, bentonite, precipitated calcium carbonate, gypsum, attapulgite, pottery
One or more in soil, soluble starch, urea etc..
The solvent may be selected from methyl oleate, S-100, S-150, S-200, dimethylbenzene, trimethylbenzene, methyl naphthalene, corn oil,
One or more in soybean oil, rapeseed oil, peanut oil and water etc..
The emulsifying agent may be selected from castor oil polyoxyethylene ether, APES phosphate, phenyl phenol polyoxy second
One or more in alkene ether, styrylphenol polyoxyethylene ether, AEO, alkylbenzene naphthenic acid salt etc..
The wetting agent may be selected from aliphatic alcohol sulfate, AEO, sodium sulfate of polyethenoxy ether of fatty alcohol,
PULLRONIC F68 block polymer, benzene sulfonamide acid alkali metal salt, dialkyl succinylsuccinate sulfonated ester, lignin sulfonic acid
One or more in salt, APES, APES formaldehyde condensation product, saponin etc..
The dispersant may be selected from lignosulfonates, alkylbenzenesulfonate, APES, alkyl naphthalene sulfonic acid
Salt, N- Methyl fatties acyl group-taurate, APES formaldehyde condensation product, aralkyl benzene sulfonate, alkylnaphthalene sulphur
One in sour formaldehyde condensation products sodium salt, aralkyl naphthalene sulfonic acid-formaldehyde condensation product sodium salt, polycarboxylate, aliphatic amine polyoxyethylene ether etc.
Plant or several.
The thickener may be selected from xanthans, gelatin, Arabic gum, guar gum, sodium alginate, sodium cellulose glycolate, poly-
One or more in vinyl alcohol, polyacrylamide, meteorological white carbon, sulfuric acid magnalium, diatomite, organic spray profit soil etc..
In the optional autohemagglutination trisiloxanes of synergist, AEO, butanedioic acid di-isooctyl sulfonate etc.
One or more.
The antifreezing agent may be selected from the one or more in propane diols, ethylene glycol and glycerine etc..
The defoamer is organic silicon defoamer.
Composition is applied to prevent and kill off the most of grassy weeds of rice terrace, broad leaved weed and Cyperaceae；Paddy field weed is
Resistance barnyard grass, Setaria glauca, Monochoria vaginalis, duckweed, water silk floss, bog pondweed, difformed galingale herb
In summary, broad weed-killing spectrum of the present invention, herbicidal effect significantly, especially to occur at present commonplace barnyard grass,
The weeds such as resistance barnyard grass, green bristlegrass, Setaria glauca, Monochoria vaginalis, duckweed, water silk floss, bog pondweed, difformed galingale herb have anti-well
Effect.
And the action site due to each active ingredient in plant is different with the mode of action, therefore according to existing miscellaneous
Theory of development occurs for careless resistance, and Herbicidal combinations of the present invention can effectively avoid, delay or control the generation of herbicide resistance
And development.
Embodiment
In order that those skilled in the art are better understood from the essence of the present invention, come with reference to specific embodiment to this
Invention is further described, but does not limit the invention to these embodiments.Those skilled in the art should recognize
Know, present invention encompasses all alternatives, improvement project and the equivalents potentially included in Claims scope.
It is raw to survey embodiment 1
Test name：Oxadiargyl, the penoxsuam toxicity determination test to weeds mixed with prometryn.
Test objective：By the way that greenhouse pot culture active determination test is with definitely oxadiargyl, penoxsuam and flutters
Between the careless net mixed synergistic effect to weeds, further comparative composition, and the activity of weeding between composition and single dose,
To better illustrate Herbicidal combinations of the present invention.
Test target：It is experiment target from barnyard grass, Monochoria vaginalis and duckweed.
Test medicine：96% oxadiargyl TC, 95% penoxsuam TC and 95% prometryn TC.
Test medicine and preparation：A certain amount of active compound is weighed, mother liquor is made into from the dissolving of suitable organic solvent, by setting
Dosage is handled with the distilled water diluting containing 0.1% Tween-80 into test dose.
Try material culture：The experiment special soil that experiment soil is collected for non-medication plot, from bore 8cm, deep 7cm flowerpots,
Soil is filled to 3/4 height, adds water after after soil completely moistening, target barnyard grass and Monochoria vaginalis seed is distinguished into uniform broadcasting to basin alms bowl
In, the mixed husky fine earth of one layer of 0.5~1.0cm thickness is then covered, hot-house culture, regular moisturizing is sowed to keep 100% soil moisture
24h is stand-by afterwards；Duckweed field is gathered, and is sieved and washed and is selected robust growth and the basically identical plant of growing way later, is respectively placed in
32*45*24 plastic culture case, in the unified culture breeding in greenhouse.
Test method：Using greenhouse pot culture method, spraying treatment is carried out for examination weeds under each dosage.Often processing sets 4 repetitions,
Separately set blank control.Handle in rearmounted greenhouse and cultivate, regular moisturizing keeps soil moisture.
Investigation method：Routine observation plant reaction symptom after processing, and evaluate comprehensive by 0-100% ocular estimates in 15d after medicine
Activity of weeding is closed, while determining 21d aerial part weeds fresh weights, fresh weight inhibition is calculated, medicament pair is evaluated with fresh weight inhibition
Target virulence.
Fresh weight inhibition (%)=(control fresh weight-processing fresh weight)/control fresh weight * 100.
Synergy evaluation method：Using DPS software analysis, virulence equation, LC50 values (mg/L) and co-toxicity coefficient are calculated
CTC, the results are shown in Table 1 and table 3.
Table 1：Oxadiargyl, penoxsuam are mixed with prometryn single dose and different proportion to barnyard grass indoor virulence test
As a result
Table 2：Oxadiargyl, penoxsuam are mixed with prometryn single dose and different proportion to be tried Monochoria vaginalis indoor virulence
Test result
Table 3：Oxadiargyl, penoxsuam are mixed with prometryn single dose and different proportion to duckweed indoor virulence test
As a result
Wherein co-toxicity coefficient CTC >=120 represent synergistic effect.
From above-mentioned experiment, oxadiargyl, penoxsuam are mixed with prometryn equal to barnyard grass, Monochoria vaginalis and duckweed
With obvious synergistic effect.
Example of formulations
Active ingredient uses 96% oxadiargyl TC, 95% penoxsuam TC and 95% in embodiments below
Prometryn TC, each component percentage composition is weight percent content.
Example of formulations 1
20% oxadiargyl penoxsuam prometryns (3:1:16) wettable powder
By 3 parts of weight of oxadiargyl, 1 part of weight of penoxsuam, 16 parts of weight of prometryn, wetting agent dodecyl sulphur
Sour 2.0 parts of weight of sodium, NNO7 parts of weight of dispersant, 8 parts of weight of white carbon, fine particle calcium carbonate are mended to 100 parts of weight, above component are mixed
Air-flow crushing is carried out after uniform and obtains 20% oxadiargyl penoxsuam prometryns (3:1:16) wettable powder.
Example of formulations 2
10% oxadiargyl penoxsuam prometryns (1.8:0.5:7.7) oil-suspending agent
1.8 parts of weight of oxadiargyl, 0.5 part of weight of penoxsuam, 7.7 parts of weight of prometryn, the bamboo of 20 parts of weight
This grease emulsifier YUS-110, bamboo this grease dispersant EP60P, the organobentonite 838F of 1.5 parts of weight, gas of 5 parts of weight
0.2 part of weight of phase white carbon, 10 parts of weight of No. 200 solvent naphthas, esterification soybean oil is mended to 100 parts of weight, above component is used
Cutter high speed shear is mixed and is sanded by sand mill, and 10% oxadiargyl penoxsuam prometryns are made
(1.8:0.5:7.7) oil-suspending agent.
Example of formulations 3
18% oxadiargyl penoxsuam prometryns (3:0.8:14.2) suspending agent
3 parts of weight of oxadiargyl, 0.8 part of weight of penoxsuam, 14.2 parts of weight of prometryn, the 2% of 10 parts of weight
Xanthan gum solution, the wetting agent BC-10 of 0.2 part, 1 part weight of Kathon CG, 3.5 parts of weight dispersant SC, antifreezing agent propane diols 5
Part, water, which are mended, causes 100 parts of weight, and all well mixed and wet methods sand millings obtain 18% oxadiargyl penoxsuam prometryns
(3:0.8:14.2) suspending agent.
Example of formulations 4
60% oxadiargyl penoxsuam prometryns (10:3:47) water dispersible granules
10 parts of weight of oxadiargyl, 3 parts of weight of penoxsuam, 47 parts of weight of prometryn, 4 parts of weight of white carbon, 2 parts
Weight wetting agent EFW, 7 parts of weight dispersant polycarboxylate WG7,5 parts of weight of glucose, kaolin supply 100 input mixing kettles
In be well mixed after air-flow crushing obtain pulvis, the kneading that then adds water granulates and dries and obtains the fluorine sulphurs of 60% oxadiargyl five
Careless amine prometryns (10:3:47) water dispersible granules.
Example of formulations 5
3% oxadiargyl penoxsuam prometryns (0.8:0.2:2) granule
By 0.8 part of weight of oxadiargyl, 0.2 part of weight of penoxsuam, 2 parts of weight of prometryn, 1 part of wetting agent EFW
Weight, 4 parts of weight of dispersant NNO, MC0.5 parts of weight of adhesive C, kaolin benefit are caused after being well mixed in 100 input mixing kettles
Air-flow crushing obtains pulvis, and the kneading that then adds water, which is granulated and dried, obtains 3% oxadiargyl penoxsuam prometryns
(0.8:0.2:2) granule.
Example of formulations 6
54% oxadiargyl penoxsuam prometryns (12:3:39) wettable powder
12 parts of weight of oxadiargyl, 3 parts of weight of penoxsuam, 39 parts of weight of prometryn, 1.5 parts of weight wetting agents are drawn
Powder is opened, 6 parts of weight dispersant D425,8 parts of weight of white carbon, fine particle calcium carbonate is mended to 100 parts of weight.Above component is well mixed laggard
Row air-flow crushing obtains 54% oxadiargyl penoxsuam prometryns (12:3:39) wettable powder.
Example of formulations 7
36% oxadiargyl penoxsuam prometryns (7.5:2:26.5) oil-suspending agent
7.5 parts of weight of oxadiargyl, 2 parts of weight of penoxsuam, 26.5 parts of weight of prometryn, fatty acid ester sulfate
10 parts of weight, 8 parts of weight of neopelex, hydroxymethyl cellulose 3 parts of weight, methyl oleates complement to 100%.Will be with
Upper component is mixed with cutter high speed shear and is sanded by sand mill, and 36% oxadiargyl penoxsuams is made
Prometryn (7.5:2:26.5) oil-suspending agent.
Application Example 1：
Oxadiargyl, penoxsuam and prometryn ternary built Herbicidal combinations prevent and kill off the paddy field weed test of pesticide effectiveness
Test medicine：
(1) embodiment 1：20% oxadiargyl penoxsuam prometryns (3:1:16) wettable powder
(2) embodiment 2：10% oxadiargyl penoxsuam prometryns (1.8:0.5:7.7) oil-suspending agent
(3) embodiment 3：18% oxadiargyl penoxsuam prometryns (3:0.8:14.2) suspending agent
(4) embodiment 4：60% oxadiargyl penoxsuam prometryns (10:3:47) water dispersible granules
(5) embodiment 5：3% oxadiargyl penoxsuam prometryns (0.8:0.2:2) granule
(6) embodiment 6：54% oxadiargyl penoxsuam prometryns (12:3:39) wettable powder
(7) embodiment 6：36% oxadiargyl penoxsuam prometryns (7.5:2:26.5) oil-suspending agent
(8) comparison medicament 1：80% oxadiargyl wettable powder
(9) comparison medicament 2：25g/L penoxsuam oil-suspending agents
(10) comparison medicament 3：40% prometryn wettable powder
Trial crops and object：Sample rice varieties are loose round-grained rice 20, and 20 days after transplanting, field main weeds have barnyard grass, duck
Tongue grass, duckweed, difformed galingale herb etc..
Test method：Each test process sets 4 repetitions, experimental plot 20m2, random district's groups arrangement.Set and manually remove simultaneously
Grass and clear water control treatment.Each medicament is converted that fine earth is uniformly spread fertilizer over the fields or bottle is got rid of by every mu of test dose.15 days after experimental investigation processing
Weeds strain preventive effect and 30 days
Weeds fresh weight preventive effect, result of the test is shown in Table 4 and table 5.
Table 4：Strain preventive effect of 15 days each test medicines to weeds in field after dispenser
Table 5：Fresh weight preventive effect of 30 days each test medicines to weeds in field after dispenser
By the field control effectiveness test result of table 4 and table 5, it is found that 1~embodiment of embodiment 7 presses above-mentioned recommended dose dispenser,
Preventive effect to weeds such as the barnyard grass in rice terrace, Monochoria vaginalis, duckweed, difformed galingale herbs is all remarkably higher than comparison medicament, integrated control effect
Highly significant.Process of the test does not find that test medicine (1~embodiment of embodiment 7) has notable poisoning to produce to paddy rice simultaneously.
As can be seen here, this ternary built weeding being made up of the active ingredient of oxadiargyl penoxsuam prometryns three
Composition, the herbicidal effect of more single medicament is significantly improved, and shows fabulous synergistic effect, miscellaneous to grassy weed, broad-leaved
Grass and sedge weed are respectively provided with preferable prevention effect, have widened herbicide controlling spectrum, particularly to barnyard grass in rice terrace, Monochoria vaginalis,
Duckweed and difformed galingale herb have good preventive effect.
Medicament usage amount can be effectively reduced, while peasant's drug cost is reduced, the influence to environment is reduced.
Herbicidal combinations of the present invention, it is easy to use, it is worth in agriculturally popularization and application.
Although above the present invention is described in detail with a general description of the specific embodiments, at this
On the basis of invention, further modification or improvement can be made to it.This will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (6)
1. a kind of rice field Herbicidal combinations, it is characterised in that：Have including three kinds of oxadiargyl, penoxsuam and prometryn
Imitate composition.
2. rice field Herbicidal combinations according to claim 1, it is characterised in that：The oxadiargyl, penoxsulam
Amine and prometryn mass ratio are 1 ~ 30：1~20：1~50.
3. rice field Herbicidal combinations according to claim 1, it is characterised in that：The oxadiargyl, penoxsulam
The mass percent summation of amine and prometryn in the composition is 1 ~ 80%.
4. rice field Herbicidal combinations according to claim 1, it is characterised in that：The composition can be processed into wettable
The formulations such as pulvis, oil-suspending agent, suspending agent, water dispersible granules, granule.
5. rice field Herbicidal combinations according to claim 1, it is characterised in that：The composition is applied to prevent and kill off paddy rice
The most of grassy weeds in field, broad leaved weed and Cyperaceae.
6. rice field Herbicidal combinations according to claim 1, it is characterised in that：The composition is applied to prevent and kill off resistance
Barnyard grass, Setaria glauca, Monochoria vaginalis, duckweed, water silk floss, bog pondweed, difformed galingale herb.
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| CN201710071978.0A CN107006494A (en) | 2017-02-09 | 2017-02-09 | Rice field Herbicidal combinations |
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| CN201710071978.0A CN107006494A (en) | 2017-02-09 | 2017-02-09 | Rice field Herbicidal combinations |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107683856A (en) * | 2017-09-19 | 2018-02-13 | 浙江天丰生物科学有限公司 | Ternary Herbicidal composition for paddy fields |
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| CN103329912A (en) * | 2009-08-28 | 2013-10-02 | 北京燕化永乐农药有限公司 | Weedicide composition containing penoxsulam |
| CN106172461A (en) * | 2016-07-13 | 2016-12-07 | 浙江天丰生物科学有限公司 | A kind of Herbicidal composition for rice field |
| CN106305739A (en) * | 2016-08-22 | 2017-01-11 | 浙江天丰生物科学有限公司 | Synergistic herbicidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103329912A (en) * | 2009-08-28 | 2013-10-02 | 北京燕化永乐农药有限公司 | Weedicide composition containing penoxsulam |
| CN106172461A (en) * | 2016-07-13 | 2016-12-07 | 浙江天丰生物科学有限公司 | A kind of Herbicidal composition for rice field |
| CN106305739A (en) * | 2016-08-22 | 2017-01-11 | 浙江天丰生物科学有限公司 | Synergistic herbicidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107683856A (en) * | 2017-09-19 | 2018-02-13 | 浙江天丰生物科学有限公司 | Ternary Herbicidal composition for paddy fields |
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