CN106857605A - A kind of Recompounded multielement Herbicidal composition for paddy fields - Google Patents

A kind of Recompounded multielement Herbicidal composition for paddy fields Download PDF

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Publication number
CN106857605A
CN106857605A CN201710008188.8A CN201710008188A CN106857605A CN 106857605 A CN106857605 A CN 106857605A CN 201710008188 A CN201710008188 A CN 201710008188A CN 106857605 A CN106857605 A CN 106857605A
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CN
China
Prior art keywords
active ingredient
paddy fields
herbicidal composition
pretilachlor
pyraclonil
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CN201710008188.8A
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Chinese (zh)
Inventor
陈丰喜
祁月月
范伟赠
陈涛
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浙江天丰生物科学有限公司
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Priority to CN201710008188.8A priority Critical patent/CN106857605A/en
Publication of CN106857605A publication Critical patent/CN106857605A/en

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, 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
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof

Abstract

The invention discloses a kind of Recompounded multielement Herbicidal composition for paddy fields, each component includes by weight percentage:Active ingredient 10~60%, pesticidal preparations auxiliary element 40~90%, the first active ingredient is pyraclonil, second active ingredient is pretilachlor, the third active ingredient is any one in the sulfonylurea herbicides such as pyrazosulfuron, penoxsuam, orthosulfamuron, ethoxysulfuron, piperazine pyrazosulfuron, and the weight ratio of the first active ingredient, second active ingredient and the third active ingredient is(1~10):(1~10):(1~10).The present invention can be significantly expanded herbicide controlling spectrum, improve the overall preventive effect to weeds in paddy field, meanwhile, said composition is good to Security of rice, is a kind of extraordinary newtype drug combination for preventing and kill off rice terrace annual grassy weeds.

Description

A kind of Recompounded multielement Herbicidal composition for paddy fields

Technical field

The invention belongs to agrochemicals field, problem is prevented and kill off for rice terrace annual grassy weeds is solved more particularly, to one kind Herbicidal combinations.

Background technology

Pyraclonil (pyraclonil) belongs to new double pyrazole class herbicide for paddy field, and the mechanism of action is protoporphyrinogen oxygen Change the inhibitor of enzyme, be a kind of contact killing type herbicide.All kinds of weeds, including barnyard grass, difformed galingale herb, arrowhead, duck can effectively be prevented and kill off Tongue grass is waited and the weeds resistant to sulfonylurea herbicide.

Pretilachlor (pretilachlor) belongs to chloroacetanilide herbicides, is mainly suppressed by hindering protein to synthesize The growth of cell.Medicament can be absorbed by plant hypocotyl, mesocotyl and plumule, and root slightly has absorption, and damage symptoms are Acrospire is not unearthed or is stretched out from bud scale side, and distortion is unable to normal extension, stopping of growing, until dead.To field barnyard grass The annual gramineous weeds such as grass, lady's-grass, moleplant seed have good sealing process, and remove part annual broadleaf weed and Sha Careless section weeds.

Pyrazosulfuron (pyrazosulfuron-methyl) belongs to inhales selectivity ALS herbicides in sulfonylurea high activity. Medicament is mainly conducted rapidly by the absorption of the young shoot of plant, root and cauline leaf and in plant, suppresses amino in plant The biosynthesis of acid, makes the bud of weeds and the development that stops growing quickly, and subsequent whole strain is withered.The medicament is to annual or perennial Broad leaved weed, Cyperaceae and part grassy weed have certain preventive effect.Such as barnyard grass, nutgrass flatsedge, flat stalk Fischer grass, rhizoma alismatis are equal Certain preventive effect can be played.

Penoxsuam (penoxulam) belongs to triazolopyrimidine sulfonamides herbicide, and the mechanism of action is acetolactic acid Synzyme (ALS) inhibitor, can be conducted to separate living tissue, suppression through cauline leaf, young shoot and Root Absorption by xylem and bast Plant strain growth processed, makes plant necrosis, death.Direct-sowing dry field, direct-sowing rice, rice seedling bed and seedling throwing field, rice transplanting suitable for paddy rice Cultivation field.Insecticide-applying way can use spraying or mix native treatment.Penoxsuam is rice field broad-spectrum herbicide, can effectively prevent and kill off barnyard grass Grass, moleplant seed and annual sedge weed, and it is effective to numerous broad leaved weeds.

Orthosulfamuron (orthosulfamuron) belongs to amine sulfonylurea herbicide, and the mechanism of action is newborn to suppress acetyl The biosynthesis of acid enzyme, prevents the synthesis of plant branched-chain amino acid, so as to prevent the synthesis of protein, makes weeds cell division Stop, last weeds are withered.Orthosulfamuron has certain preventive effect to rice terrace barnyard grass, nutgrass flatsedge and broad leaved weed etc..

Ethoxysulfuron (ethoxysulfuron) belongs to sulfonylurea herbicide, and the mechanism of action is acetolactate synthestase (ALS) inhibitor, by suppressing the absorption of weeds root and leaf, conducts in plant, and weeds are to stop growing, then withered. Ethoxysulfuron is mainly used in rice terrace and prevents and kill off broad leaved weed, sedge weed and algae such as Monochoria vaginalis, moss, Monochoria korsakowii, water Continuous, different in nature nutgrass flatsedge, Herba Cyperi Glomerati, firefly Lin, rhizoma alismatis etc..

Piperazine pyrazosulfuron (metazosulfuron) belongs to sulfonylurea herbicide, is mainly used in preventing and kill off rice terrace and wheat The weeds such as cylinder fiber crops, Amaranthus retroflexus, lady's-grass, the barnyard grass in field.

There is different degrees of defect in the herbicide kind containing single-activity component, on control of weeds such as after continuous use Weeds easily develop immunity to drugs, and herbicide controlling spectrum narrows, the problems such as cause environmental pollution.

Rationally compounding is to improve preventive effect, expand herbicide controlling spectrum, widen use time to herbicide, delays shift of weed community Speed, reduce that agricultural chemicals is single to use brought resistance risk, mitigate the pollution to environment, reduce use cost and mitigation removed A kind of effective ways of careless agent residual.

The content of the invention

In order to overcome the deficiencies in the prior art, the present invention provides that a kind of, toxicity higher to crop safety is low, residual less, Broad weed-killing spectrum, the Recompounded multielement Herbicidal composition for paddy fields that can effectively delay herbicide resistance.

The technical solution adopted for the present invention to solve the technical problems is:A kind of Recompounded multielement paddy field weeding combination is provided Thing, each component includes by weight percentage in described Herbicidal combinations:Active ingredient active ingredient 10~60%, pesticidal preparations Auxiliary element 40~90%, the first active ingredient is pyraclonil, and second active ingredient is pretilachlor, the third effectively into It is divided into appointing in the sulfonylurea herbicides such as pyrazosulfuron, penoxsuam, orthosulfamuron, ethoxysulfuron, piperazine pyrazosulfuron Meaning is a kind of, and the weight ratio of the first active ingredient, second active ingredient and the third active ingredient is 1:(1~10):(1 ~50).

Further, described Herbicidal combinations formulation for dispersible oil-suspending agent, water dispersible granules, wettable powder, Granule etc..

Further, described Herbicidal combinations formulation auxiliary element is carrier, surfactant etc..

Further, the carrier in Herbicidal composition for paddy fields of the present invention is water, attapulgite, kaolin, soybean One or more in oil, methyl oleate, methyl naphthalene higher aliphatic hydrocarbon ils, aromatic hydrocarbons S-150 solvent naphthas etc..

Further, the surfactant in Herbicidal composition for paddy fields of the present invention is selected from DBSA Calcium, lignosulfonates, styrylphenol polyoxyethylene ether, alkylaryl polyoxyethylene poly-oxygen propylene aether, polyoxyethylene gather One or more in oxypropylene block copolymer, APES phosphate etc..

Further, described Herbicidal composition for paddy fields can be used for preventing and kill off rice terrace annual grassy weeds.

Its active component of Herbicidal composition for paddy fields of the present invention the first active ingredient is pyraclonil, is had for second Effect composition is pretilachlor, and the third active ingredient is phonetic pyrazosulfuron, penoxsuam, orthosulfamuron, ethoxysulfuron, piperazine pyrrole Sulphur is grand wait in sulfonylurea herbicide any one, the first active ingredient, second active ingredient and the third is effective Common use after composition compounding, with notable synergistic effect, overcomes the deficiency of herbicidal performance containing single-activity component, while can prolong The generation of slow herbicide resistance, reduces production cost and use cost, expands herbicide controlling spectrum, can effectively prevent and kill off rice terrace annual miscellaneous Grass, its have efficiently, low toxicity, low-residual, low cost many advantages, such as, be a kind of novel rice field herbicidal.

The agricultural chemicals such as surfactant used and carrier auxiliary element belongs to environmentally friendly type in Herbicidal combinations of the invention, low Poison, low-residual, to rice safety, will not produce murder by poisoning to crop, fishes and shrimps and water body in use.

Specific embodiment

In order that those skilled in the art are better understood from the present invention program, below by the technology in inventive embodiments Scheme carries out clear, complete description.

The pyraclonil pretilachlor pyrazosulfuron granule (3 of embodiment 1 10.5%:7:0.5)

Pyraclonil 3%, pretilachlor 7%, pyrazosulfuron 0.5%, a- sodium olefin sulfonates (AOS) 1%, sodium lignin sulfonate (REAX82P) 5%, glucose 5%, white carbon 10%, kaolin surplus.Pretilachlor crude oil is weighed according to aforementioned proportion in advance to use White carbon is adsorbed, and above-mentioned other compositions are well mixed in the ratio, by air-flow crushing, material average grain diameter is less than 5 Micron, and the kneading that adds water is uniform, moves to and granulate in Granulation Equipments, after 45 DEG C of drying can 10.5% the third grass of pyraclonil Amine pyrazosulfuron granule.

Indoor biological active determination test, determines co-toxicity coefficient and joint of the embodiment 1 to difformed galingale herb in rice terrace Type of action, result of the test is as shown in table 1.

Table 1 (is calculated) by active ingredient

Reciprocation principle co-toxicity coefficient (CTC)≤120 is evaluated according to the abundant methods of Sun Yun, synergistic effect is shown as.Above-mentioned knot Fruit absolutely proves that the pyraclonil of embodiment 1, three kinds of composite reagents of pretilachlor and pyrazosulfuron are used has collaboration to different in nature nutgrass flatsedge Synergistic effect, herbicidal effect is significantly improved.

Field biologicall test, evaluating embodiment 1 is used to prevent and kill off transplanted rice field annual grassy weeds.

The pyraclonil pretilachlor pyrazosulfuron granule (3 of table 2 10.5%:7:0.5) field control effectiveness test result

Field bioassay test shows, 10.5% pyraclonil pretilachlor pyrazosulfuron granule (3:7:0.5) Carried out mixing soil in 7-10 days after rice transplanting for transplanted rice field and spread fertilizer over the fields treatment, after medication 21 days, to barnyard grass, moleplant seed, different The weed control efficacies such as property nutgrass flatsedge, Monochoria vaginalis are excellent, and herbicidal effect is substantially better than the herbicidal effect of each single dose of Herbicidal combinations.It is double Azoles oxalic acid dinitrile, pretilachlor and pyrazosulfuron compound have notable synergistic function, are conducive to improving herbicidal effect and expanding herbicide Spectrum.

The pyraclonil pretilachlor penoxsuam of embodiment 2 20% dispersibles oil-suspending agent (3:15:2)

Pyraclonil 3%, pretilachlor 15%, penoxsuam 2%, calcium dodecyl benzene sulfonate 6%, polyoxyethylene Sorbitol monooleate 12%, AEO 3%, organobentonite 3%, methyl oleate surplus.Will be above-mentioned all Composition is well mixed in the ratio, resulting material average grain diameter is less than 5 microns through horizontal sand mill grinding, you can be obtained 20% pyraclonil pretilachlor penoxsuam dispersibles oil-suspending agent.

Indoor biological active determination test, determines co-toxicity coefficient and synergy of the embodiment 2 to barnyard grass in rice terrace Type, result of the test is as shown in table 3.

Table 3 (is calculated) by active ingredient

Reciprocation principle co-toxicity coefficient (CTC)≤120 is evaluated according to the abundant methods of Sun Yun, synergistic effect is shown as.Above-mentioned knot Fruit absolutely proves that embodiment pyraclonil, three kinds of composite reagents of pretilachlor and penoxsuam are used there is collaboration to increase barnyard grass Effect is acted on, and herbicidal effect is significantly improved.

Field biologicall test, evaluating embodiment 2 is used to prevent and kill off rice mechanical transplanting rice seedling bed annual grassy weeds.

The pyraclonil pretilachlor penoxsuam of table 4 20% dispersibles oil-suspending agent (3:15:2) field efficacy examination Test result

Field bioassay test shows that 20% pyraclonil pretilachlor penoxsuam dispersibles oil-suspending agent (3: 15:2) processed in 5-10 days after rice transplanting for rice mechanical transplanting rice seedling bed, after medication 21 days, to barnyard grass, Paspalum distichum, water The weed control efficacies such as nutgrass flatsedge, sweet wine intestines are excellent, and herbicidal effect is substantially better than the herbicidal effect of each single dose of Herbicidal combinations.Polybenzobisoxazole grass Nitrile, pretilachlor and penoxsuam compounding have notable synergistic effect, are conducive to improving herbicidal effect and expanding herbicide controlling spectrum.

The pyraclonil pretilachlor orthosulfamuron wettable powder (2.5 of embodiment 3 22%:16.5:3)

Pyraclonil 2.5%, pretilachlor 16.5%, orthosulfamuron 3%, alkylphenol-polyethenoxy formaldehyde condensation products sulfuric acid Salt 8%, sodium lignin sulfonate 7%, AEO 3%, white carbon 8%, kaolin surplus.By pretilachlor crude oil and White carbon is proportionally adsorbed, then all the components are well mixed according to aforementioned proportion, and material average grain diameter is made through air-flow crushing Less than 5um.Can be prepared by 22% pyraclonil pretilachlor orthosulfamuron wettable powder.

Indoor biological active determination test, determines embodiment 3 and the co-toxicity coefficient of mexicana in rice terrace and joint is made With type, result of the test is as shown in table 5.

Table 5 (is calculated) by active ingredient

Reciprocation principle co-toxicity coefficient (CTC)≤120 is evaluated according to the abundant methods of Sun Yun, synergistic effect is shown as.Above-mentioned knot Fruit absolutely proves that the pyraclonil of embodiment 3, three kinds of composite reagents of pretilachlor and orthosulfamuron are used has collaboration to mexicana Synergistic effect, herbicidal effect is significantly improved.

Field biologicall test, evaluating embodiment 3 is used to prevent and kill off rice seedling throwing field annual grassy weeds

The pyraclonil pretilachlor orthosulfamuron wettable powder (2.5 of table 6 22%:16.5:3) field efficacy examination Test result

Field bioassay test shows, 22% pyraclonil pretilachlor orthosulfamuron wettable powder (2.5: 16.5:3) processed in 7-10 days after rice seedling throwing for rice seedling throwing field, after medication 21 days, to barnyard grass, moleplant seed, eye The weed control efficacies such as dish, mexicana are excellent, and herbicidal effect is substantially better than the herbicidal effect of each single dose of Herbicidal combinations.Polybenzobisoxazole grass Nitrile, pretilachlor and orthosulfamuron compounding have notable synergistic function, are conducive to improving herbicidal effect and expanding herbicide controlling spectrum.

The pyraclonil pretilachlor ethoxysulfuron granule (4 of embodiment 4 8.5%:4:0.5)

Pyraclonil 4%, pretilachlor 4%, ethoxysulfuron 0.5%, lauryl sodium sulfate 1%, naphthalenesulfonatedispersant dispersant (MORWET D425) 5%, Macrogol 4000 5%, white carbon 10%, attapulgite surplus.Claim according to aforementioned proportion in advance The absorption of pretilachlor white carbon is taken, other compositions are well mixed in the ratio, by air-flow crushing, make material average grain diameter Less than 5 microns, and the kneading that adds water is uniform, moves to and granulate in Granulation Equipments, after 45 DEG C of drying can 8.5% pyraclonil third Careless amine ethoxysulfuron granule.

Indoor biological active determination test, determines embodiment 4 and the co-toxicity coefficient and joint of wild water chestnut in rice terrace is made With type, result of the test is as shown in table 7.

Table 7 (is calculated) by active ingredient

Reciprocation principle co-toxicity coefficient (CTC)≤120 is evaluated according to the abundant methods of Sun Yun, synergistic effect is shown as.Above-mentioned knot Fruit absolutely proves that the pyraclonil of embodiment 4, three kinds of composite reagents of pretilachlor and ethoxysulfuron are used there is collaboration to increase wild water chestnut Effect is acted on, and herbicidal effect is significantly improved.

Field biologicall test, evaluating embodiment 4 is used to prevent and kill off transplanted rice field annual grassy weeds.

The pyraclonil pretilachlor ethoxysulfuron granule (4 of table 8 8.5%:4:0.5) field control effectiveness test result

Field bioassay test shows, 8.5% pyraclonil pretilachlor ethoxysulfuron granule (4:4:0.5) use Carried out treatment in 5-7 days after rice transplanting and mix soil in transplanted rice field to spread fertilizer over the fields, after medication 21 days, to barnyard grass, moleplant seed, wild water chestnut The weed control efficacies such as shepherd's purse, short arrowhead are excellent, and herbicidal effect is substantially better than the herbicidal effect of each single dose of Herbicidal combinations.Polybenzobisoxazole grass Nitrile, pretilachlor and ethoxysulfuron have notable synergistic effect, are conducive to improving herbicidal effect and expanding herbicide controlling spectrum.

The pyraclonil pretilachlor piperazine pyrazosulfuron water dispersible granule (3 of embodiment 5 50%:6:1)

Pyraclonil 15%, pretilachlor 30%, piperazine pyrazosulfuron 5%, lauryl sodium sulfate 5%, alkyl phenol polyoxy second Alkene ether sulphate 5%, ammonium sulfate 2%, polyethylene glycol 2%, kaolin supplies 100%.By above-mentioned active ingredient, surfactant And carrier is well mixed, crushed with micro jet, through mediating, be subsequently adding in fluidized-bed granulation dryer and made Grain, dry, screening, you can 50% pyraclonil pretilachlor piperazine pyrazosulfuron water dispersible granule is obtained

Indoor biological active determination test, determines embodiment 5 and the co-toxicity coefficient of beach louse grass in rice terrace and joint is made With type, result of the test is as shown in table 9.

Table 9 (is calculated) by active ingredient

Reciprocation principle co-toxicity coefficient (CTC)≤120 is evaluated according to the abundant methods of Sun Yun, synergistic effect is shown as.Above-mentioned knot Fruit absolutely proves that the pyraclonil of embodiment 5, three kinds of composite reagents of pretilachlor and piperazine pyrazosulfuron are used has collaboration to Chinese lobelia Synergistic effect, herbicidal effect is significantly improved.

Field biologicall test, evaluating embodiment 5 is used to prevent and kill off transplanted rice field annual grassy weeds.

The pyraclonil pretilachlor piperazine pyrazosulfuron water dispersible granule (3 of table 10 50%:6:1) field control effectiveness test knot Really

Field bioassay test shows, 50% pyraclonil pretilachlor piperazine pyrazosulfuron water dispersible granule (3:6: 1) processed in 5-7 days after rice transplanting for rice seedling bed, after medication 21 days, to barnyard grass, moleplant seed, Chinese lobelia, water The weed control efficacies such as lice grass are excellent, and herbicidal effect is substantially better than the herbicidal effect of each single dose of Herbicidal combinations.Pyraclonil, third Careless amine and piperazine pyrazosulfuron compound have notable synergistic effect, are conducive to improving herbicidal effect and expanding herbicide controlling spectrum.

The to sum up confirmation of example of formulations, indoor biological active determination test and crop field bioassay test, rice of the present invention The first active ingredient of field weeding composition is pyraclonil, and second active ingredient is pretilachlor, and the third active ingredient is It is any one in the sulfonylurea herbicides such as pyrazosulfuron, penoxsuam, orthosulfamuron, ethoxysulfuron, piperazine pyrazosulfuron Kind, good preventive effect is achieved to field grass family, Cyperaceae and broad leaved weed after three kinds of active ingredient compoundings, and And to rice safety.Herbicidal combinations of the present invention have the mechanism of action unique, and dosage is low, and broad weed-killing spectrum, herbicidal effect is excellent Elegant the features such as.So, the research and development and popularization of Herbicidal composition for paddy fields of the invention have huge economic and social benefit.

Although in order to have a clear understanding of the present invention, being described in detail to the present invention, the application is being read After specification, it will be apparent to those skilled in the art that on the premise of without departing from spirit and substance of the present invention, can be to this Invention carries out various modifications and changes, and these modifications and changes are each fallen within included by appended claims and its equivalents thereto Within the scope of.

Claims (5)

1. a kind of Recompounded multielement Herbicidal composition for paddy fields, it is characterised in that:The first active ingredient is pyraclonil, is had for second Effect composition is pretilachlor, and the third active ingredient is phonetic pyrazosulfuron, penoxsuam, orthosulfamuron, ethoxysulfuron, piperazine pyrrole Sulphur it is grand wait sulfonylurea herbicide in any one, the first active ingredient, second active ingredient and the third effectively into Point weight ratio be(1~10):(1~10):(1~10).
2. Recompounded multielement Herbicidal composition for paddy fields according to claim 1, it is characterised in that:The Herbicidal composition for paddy fields In contain pesticidal preparations auxiliary element, be adapted to the formulation that agriculturally uses to be made.
3. Recompounded multielement Herbicidal composition for paddy fields according to claim 2:It is characterized in that, described paddy field weeding combination The weight of active ingredient component accounts for the 10~60% of composition total weight in thing, and the weight of pesticidal preparations auxiliary element component accounts for group Compound gross weight 40~90%.
4. the Recompounded multielement Herbicidal composition for paddy fields according to any one of claim 1-3, it is characterised in that:The rice field Herbicidal combinations can be processed as dispersibling in the formulations such as oil-suspending agent, water dispersible granules, wettable powder, granule Kind.
5. Recompounded multielement Herbicidal composition for paddy fields according to claim 4, it is characterised in that:The Herbicidal composition for paddy fields For preventing and kill off rice terrace annual grassy weeds.
CN201710008188.8A 2017-01-05 2017-01-05 A kind of Recompounded multielement Herbicidal composition for paddy fields CN106857605A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107517985A (en) * 2017-08-04 2017-12-29 安徽圣丰生化有限公司 A kind of herbicidal composition

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103081937A (en) * 2013-02-21 2013-05-08 中农立华生物科技股份有限公司 Compound weeding composition of pretilachlor and pyrazosulfuron-ethyl and granules of composition
CN104255750A (en) * 2014-09-10 2015-01-07 广东中迅农科股份有限公司 Herbicide composition containing pyraclonil and pretilachlor
CN105918339A (en) * 2016-05-19 2016-09-07 河北博嘉农业有限公司 Weeding composition containing pyraclonil and sulfonylurea herbicide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103081937A (en) * 2013-02-21 2013-05-08 中农立华生物科技股份有限公司 Compound weeding composition of pretilachlor and pyrazosulfuron-ethyl and granules of composition
CN104255750A (en) * 2014-09-10 2015-01-07 广东中迅农科股份有限公司 Herbicide composition containing pyraclonil and pretilachlor
CN105918339A (en) * 2016-05-19 2016-09-07 河北博嘉农业有限公司 Weeding composition containing pyraclonil and sulfonylurea herbicide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107517985A (en) * 2017-08-04 2017-12-29 安徽圣丰生化有限公司 A kind of herbicidal composition

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