CN103688969A - Weeding composition for preventing and removing annual weed in rice paddy fields - Google Patents
Weeding composition for preventing and removing annual weed in rice paddy fields Download PDFInfo
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- CN103688969A CN103688969A CN201310625742.9A CN201310625742A CN103688969A CN 103688969 A CN103688969 A CN 103688969A CN 201310625742 A CN201310625742 A CN 201310625742A CN 103688969 A CN103688969 A CN 103688969A
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- careless amine
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- bensulfuron
- methyl
- oxazine humulone
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Abstract
The invention relates to a weeding composition for preventing and removing annual weed in rice paddy fields, of which the effective components are pretilachlor, bensulfuron methyl and oxaziclomefone. The weeding composition comprises the following components in percentage by weight: 1-50% of pretilachlor, 1-10% of bensulfuron methyl, 1-30% of oxaziclomefone and the balance of pesticide adjuvant. The composition is suitable for preventing and removing annual weed in rice paddy fields, has obviously better preventing and removing effects than a single agent, and has the advantages of wide weeding spectrum, higher actual effect, lower drug resistance for weed, time saving, labor saving and the like.
Description
Technical field
The invention belongs to pesticidal preparations field, relating to a kind of active ingredient is the third careless amine, bensulfuron-methyl He the Herbicidal combinations of oxazine humulone, for preventing and kill off paddy field annual weed.
Background technology
The third careless amine belongs to selectivity Seed sprouting pretreating reagent, can pass through plant hypocotyl, and mesocotyl and coleoptile absorb, and root slightly absorbs, and direct interference weeds body internal protein is synthetic, and photosynthetic and respiration are had to remote-effects.The weeds seedling distortion of being injured, primary leaf difficulty is stretched out, and leaf look deepens green, and growth stops, until dead.Paddy rice has stronger capacity of decomposition to the third careless amine, thereby has certain selectivity.
Bensulfuron-methyl is selectivity inner-adsorption conduction-type herbicide, active ingredient can be in water diffusion rapidly, for weeds root and blade absorb, transfer to each portion of weeds, the biosynthesis of hindered aminoacid, lysine, isoleucine, division and the growth of resistance cell.Susceptible weeds GF is obstructed, and tender tissue turns to be yellow too early and suppresses the growth of leaf portion, hinders root growth and necrosis.It is harmless inertia chemicals that active ingredient enters rapid metabolism in paddy rice body, to rice safety.Using method is flexible, available pesticide-clay mixture, mispickel, spraying, sprinkles the method such as water.In soil, mobility is little, and temperature, soil property affect little on its herbicidal effect.
Oxazine humulone belongs to organic heterocyclic class, is inner sucting conduction type herbicide for paddy field, and mainly root and the cauline leaf base portion by weeds absorbs.Leaves and stems chlorosis after weeds contacts medicament, stop growing, until withered.
When the third careless amine, bensulfuron-methyl and the single use of oxazine humulone, all there are certain defect and limitation.Weed killer herbicide is reasonable composite is to improve preventive effect, expansion herbicide spectrum, delays the speed of shift of weed community, alleviates the pollution to environment, reduces a kind of effective ways of use cost and reduction herbicide residue.The inventor studies the combination of the third careless amine, bensulfuron-methyl and oxazine humulone, finds that the third careless amine, bensulfuron-methyl and the combination of oxazine humulone, to paddy field annual weed performance synergistic effect, after further study, have completed the present invention.The third careless amine, bensulfuron-methyl He the combination of oxazine humulone there is no people's report at present.
Summary of the invention
The object of the invention is to solve in prior art farmland weed develop immunity to drugs problem and single use control efficiency poor, a kind of efficient, wide spectrum, environmentally friendly is provided, be conducive to the Herbicidal combinations of the paddy field annual weed comprehensive regulation.
Another object of the present invention be by this Herbicidal combinations for preventing and kill off farmland weed, be particularly useful for preventing and kill off paddy field annual weed.
Technical solution of the present invention: a kind of for preventing and kill off the Herbicidal combinations of paddy field annual weed, active ingredient is the third careless amine, bensulfuron-methyl He oxazine humulone, the percentage by weight of the third careless amine in composition is 1%～50%, the percentage by weight of bensulfuron-methyl in composition is that the percentage by weight of 1%～10% oxazine humulone in composition is 1%～30%, and all the other are insecticides adjuvant.
Herbicidal combinations of the present invention is prepared into and is applicable to the upper multiple formulation of using of agricultural by known method, and reasonable formulation has wetting powder, suspending agent, water dispersible granules and granule.
The insecticides adjuvant using in Herbicidal combinations of the present invention comprises that dispersant, stabilizing agent, antifreezing agent, thickener etc. and other are of value to the known substance of active ingredient stable and performance drug effect in preparation, all various compositions conventional in pesticidal preparations or that allow to use, be not particularly limited, concrete composition and consumption require to determine by simple test according to formula.
Product described in the invention can finished product preparation form provide, in composition, each material mixes, the form that the composition of composition also can single dose provides, and before use, directly in tank or bucket, mixes, and is then diluted to needed concentration.The frequency of administration of the present composition and amount of application change with weather condition and crop state variation, can be by using suitable formulation to reach the object of control.
Herbicidal combinations of the present invention is applicable to prevent and kill off annual weed, especially paddy field annual weed.
Compared with prior art, beneficial effect of the present invention is: 1, composition has obvious synergistic effect, has improved control efficiency; 2, expanded herbicidal spectrum; 3, reduced agricultural chemicals usage amount, thereby reduced cost and reduced the pollution to environment.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
The careless amine Bian of FORMULATION EXAMPLE 1:35% third Mi Huang Long oxazine humulone oil-suspending agent preparation method.
Above-mentioned material (except organobentonite) is joined in reactor mixer together, stir 2 hours, open pan feeding valve at the bottom of still, material is injected to stage sand grinding machine to be ground, fineness of materials 98% after grinding is by discharging after 1-5um, material is put into high-shear emulsifying still together with the organobentonite good with prior dissolving again, can be made into the 35% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl oil-suspending agents after emulsification.
The careless amine Bian of FORMULATION EXAMPLE 2:60% third Mi Huang Long oxazine humulone water dispersible granules preparation method.
Above-mentioned material is added in cone-type mixer and mixed together; by airslide disintegrating mill, pulverize; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 325 mesh standard sieves; add and in kneader, be kneaded into plasticity material; finally this material is put into Squeezinggranulator extruder grain, granulation makes the 60% the third careless amine Bian Mi Huang Long oxazine humulone water dispersible granules by dry, screening.
The careless amine Bian of FORMULATION EXAMPLE 3:50% third Mi Huang Long oxazine humulone wetting powder preparation method.
Above-mentioned material is added in cone-type mixer and mixed together, by airslide disintegrating mill, pulverize, material after pulverizing mixes through cone-type mixer again, and mixed fineness of materials 98% is by 325 mesh standard sieves, obtains the 50% the third careless amine Bian Mi Huang Long oxazine humulone wetting powders.
The careless amine Bian of FORMULATION EXAMPLE 4:3% third Mi Huang Long oxazine humulone granule.
Above-mentioned material is added in cone-type mixer and mixed together, by airslide disintegrating mill, pulverize, the material after pulverizing mixes through cone-type mixer again, and mixed fineness of materials 98%, by 325 mesh standard sieves, obtains wetting powder.Will this wetting powder drop in granulating disc and add water granulation,, screening dry by drying, cooling cylinder are cooling, make the 3% the third careless amine Bian Mi Huang Long oxazine humulone granules.
Biologicall test embodiment mono-: indoor bioassay test.
In order to verify the present invention, we have carried out the third careless amine, bensulfuron-methyl, oxazine humulone is composite to barnyard grass, Monochoria vaginalis virulence test.
1 materials and methods.
1.1 reagent agents:
The third careless amine (pretilachlor) 95% former medicine;
Bensulfuron-methyl (bensulfuron-methyl) 96% former medicine;
Oxazine humulone (oxaziclomefone) 96.5% former medicine.
1.2 for trying material:
Barnyard grass [Echinochloa crusgalli (L.) Beauv.]
Monochoria vaginalis [Monochoria vaginglis (Burm.f.) Preslex Kunth]
Above weed seed picks up from Lao Keng village, Ren Shan town, Huidong County, Huizhou rice direct seeding field, in indoor, saves backup.
1.3 test methods:
1.3.1 test Treatment Design:
(6) bensulfuron-methyl 0.5g(a.i.)/hm
2
(7) bensulfuron-methyl 1g(a.i.)/hm
2
(8) bensulfuron-methyl 1.5g(a.i.)/hm
2
(9) bensulfuron-methyl 2g(a.i.)/hm
2
(10) bensulfuron-methyl 2.5g(a.i.)/hm
2
(11) oxazine humulone 5g(a.i.)/hm
2
(12) oxazine humulone 10g(a.i.)/hm
2
(13) oxazine humulone 20g(a.i.)/hm
2
(14) oxazine humulone 30g(a.i.)/hm
2
(15) oxazine humulone 40g(a.i.)/hm
2
(1) third careless amine 22g(a.i.)/hm
2
(2) third careless amine 26g(a.i.)/hm
2
(3) third careless amine 30g(a.i.)/hm
2
(4) third careless amine 34g(a.i.)/hm
2
(5) third careless amine 38g(a.i.)/hm
2
(16) the careless amine 38g(a.i. of bensulfuron-methyl 0.5g+ oxazine humulone 40g+ third)/667m
2
(17) the careless amine 34g(a.i. of bensulfuron-methyl 1g+ oxazine humulone 30g+ third)/667m
2
(18) the careless amine 30g(a.i. of bensulfuron-methyl 1.5g+ oxazine humulone 20g+ third)/667m
2
(19) the careless amine 26g(a.i. of bensulfuron-methyl 2g+ oxazine humulone 10g+ third)/667m
2
(20) the careless amine 22g(a.i. of bensulfuron-methyl 2.5g+ oxazine humulone 5g+ third)/667m
2
1.3.2 the activity test of medicament to barnyard grass:
Press 1.3.1 design treatment dosage preparating liquid, first according to experimental scheme, calculate dosing, then with electronic balance, take the third careless amine, bensulfuron-methyl, oxazine humulone and first use respectively acetone solution, and then stand-by by 0.1% Tween 80 aqueous solution prepared and diluted.
After barnyard grass seed presoaking and germinating, point is sowed in the iron basin of the sectional area 0.25m2 that earth is housed, and every basin is broadcast 100, is cultured to the 11 stamen phase of leaf of barnyard grass and processes in greenhouse.With hand-held compressed sprayer (3NY-1.2), spray liquid, spouting liquid is every processing 50ml, keeps ground moistening after medicine, and establishes the processing contrast that does not contain medicament.Every processing repeats 4 times, within after medicine 20 days, takes and respectively processes barnyard grass acrial part fresh weight, calculates and respectively processes the inhibition percentage of aerial growth and the percentage that remaining barnyard grass is contrast, by Golby method, evaluates the mixed synergy type to barnyard grass of three.The actual preventive effect of mixe herbicide is calculated as follows:
In formula, A represents that weed killer herbicide I consumption is the control efficiency while measuring as P, control efficiency when B represents that weed killer herbicide II consumption is Q, control efficiency when C represents that weed killer herbicide III consumption is R, theoretical control efficiency when E0 represents mixture (I+II+III) consumption for (P+Q+R), E represents the actual control efficiency that each is processed.
Evaluation criterion:
E-E
0﹤-10%: each single dose that forms mixture has antagonism.
E-E
0=-10～10%: each single dose that forms mixture has addition.
E-E
0﹥ 10%: each single dose that forms mixture has synergistic effect.
1.3.3 the activity test of medicament to Monochoria vaginalis:
After Monochoria vaginalis seed-soaking, after vernalization, point is sowed in the iron basin of the sectional area 0.25m2 that earth is housed, all the other same 1.3.2.
2 interpretations of result:
From table 1 and table 2 data, the third careless amine, the E-E of 5 various combinations of bensulfuron-methyl, oxazine humulone to barnyard grass
0value is respectively-6.3% ,-3.5% ,-2.0%, 0.9%, 0.1%; E-E to Monochoria vaginalis
0value is respectively-5.6% ,-2.1%, 2.7%, 1.6%, 4.4%.All between ± 10%.Illustrate that the third careless amine, the combination of bensulfuron-methyl, oxazine humulone belong to additive effect to the synergy of barnyard grass, Monochoria vaginalis.
Table 1, the third careless amine, the combination of bensulfuron-methyl, oxazine humulone are measured (20d after medicine) to the synergy of barnyard grass.
Table 2, the third careless amine, the combination of bensulfuron-methyl, oxazine humulone are measured (20d after medicine) to the synergy of barnyard grass
Biologicall test embodiment bis-: field control effectiveness test.
1 experimental condition:
1.1 crops and cultivar: paddy rice (kind: ten thousand gold medals excellent 133).
The selection of 1.2 subjects weeds:
Advantage weeds mainly contain in field: barnyard grass [Echinochloa crusgalli], moleplant seed [Leptochloa chinensis], Monochoria vaginalis [Monochoria vaginglis], nutgrass flatsedge [HerbofNutgrassGalingale] etc.
1.3 cultivation conditions:
Experimental field be positioned at Yan Wanghu village, Yan Wanghu town, Hanshou county, changde, hunan province city, throughout the year rice cultivation, paddy rice and rape rotation.For examination paddy rice, on April 11st, 2013, sow, seeding quantity is 2,000 grams/acre, live when accelerating germination of rice seed to broken chest is showed money or valuables one carries unintentionally, and 15 kilograms of mu sealing fertilizers are made base manure.The term harmonizations such as each community rice varieties, sowing time, growing way and rich water quality management, little ridge is built in case string is filled with in minizone.
2 experimental scheme and arrangement.
2.1 reagent agent experimental scheme.
2.2 communities arrange:
Test is established 9 processing, 4 repetitions of every processing, Gong36Ge community, community randomized arrangement, approximately 80 square metres of community areas.
2.3 application methods:
Test medicine An Mei community dosage is used, the the 37% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl oil-suspending agents, the 60% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl water dispersible granules, the 25% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl wetting powders, the 40% the third careless amine oil slick, 10% bensulfuron-methyl wetting powder, 360g/L oxazine humulone microcapsule suspending agent are watered 30,000 grams/acre of sprayings, adopt the hand compression sprayer spraying of sharp agriculture board HD-400.The 3% the third careless amine Bian Mi Huang Long oxazine humulone granule pesticide-clay mixture spread fertilizer over the fields.After dispenser, keep the moistening 7-10 days of paddy field, later management routinely.
2.4 spraying times and number of times:
In dispenser in after planting 2 days (on April 11st, 2013) once, artificial weeding district carries out 2 weedings altogether, and after dispenser, after 15 days (on April 26th, 2013) and dispenser, carry out 25 days (on May 6th, 2013) respectively.
3 investigation, record and measuring method.
3.1 meteorologies and soil information.
3.1.1 meteorological data:
Test was carried out from May 15,11 days to 2013 April in 2013, and dispenser same day is cloudy, after dispenser in 24 hours without rainfall.Dispenser same day is to weather condition during last efficacy survey: rainfall 9 days, 254.5 millimeters of total rainfalls, 14～20 ℃ of daily mean temperatures, relative moisture 50-95%.
3.1.2 soil information:
Experimental field soil belongs to carbonaceous black mud, and the content of organic matter is abundant, upper in fertility, pH value 6.7.
3.2 weeds investigation.
3.2.1 control time and number of times:
Investigation in 30 days (on May 11st, 2013) after dispenser, investigation number of times totally 1 time.
3.2.2 investigation method:
5 samplings of every community diagonal, investigate 1.0 square metres at every, record each community weeds sum and claim fresh weight.
3.2.3 drug effect computational methods:
3.3 poisoning investigation.
3.3.1 control time and number of times:
Within 15 days, 30 days after dispenser, respectively investigate 1 time, the full phase is investigated 2 times altogether.
3.3.2 investigation method:
Whether range estimation rice seeding has the poisoning phenomenons such as dwarfing, chlorisis, deformity.
3.4 crop yields and quality.
3.4.1 survey the product time:
In the rice harves same day (on July 26th, 2013), carry out.
3.4.2 survey product method:
Adopt real segmentation method, weigh every community rice yield, and be converted into per mu yield, rice quality is not measured.
4 results and analysis.
4.1 statistical analyses:
By result of the test table 3, shown, the the 30% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl oil-suspending agents, the 60% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl water dispersible granules, the 40% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl wetting powders, the 3% the third grand oxazine humulone of the phonetic sulphur of careless amine benzyl granules are prevented and kill off rice direct-seeding field weed preventive effect more than 96%, illustrate that the third careless amine, bensulfuron-methyl, the combination of oxazine humulone prevent and kill off that rice direct seeding field grassy weed, broad-leaved are assorted, nutgrass flatsedge is all effective than the third careless amine, bensulfuron-methyl, each single dose of oxazine humulone.
Rice direct-seeding field weed result of the test is prevented and kill off in table 3, the third careless amine, bensulfuron-methyl, the combination of oxazine humulone.
By result of the test table 4, shown, the 35% the third careless amine Bian Mi Huang Long oxazine humulone oil-suspending agents, the 60% the third careless amine Bian Mi Huang Long oxazine humulone water dispersible granules, the 40% the third careless amine Bian Mi Huang Long oxazine humulone wetting powders, the 3% the third careless amine Bian Mi Huang Long oxazine humulone granules are protected productive rate more than 47.7%, the 40% the third careless amine oil slick are protected productive rate 25.7%, 10% bensulfuron-methyl wetting powder is protected productive rate 33.0%, 1% oxazine humulone suspending agent is protected productive rate 39.4%, artificial weeding is protected productive rate 13.3%, the third careless amine is described, bensulfuron-methyl, the combination of oxazine humulone can prevent and treat the assorted rice yield that ensures of rice direct seeding field effectively, the third careless amine, bensulfuron-methyl, the combination of oxazine humulone is than the third careless amine, bensulfuron-methyl, it is high that each single dose of oxazine humulone is protected productive rate.
Rice direct-seeding field weed result of the test is prevented and kill off in table 4, the third careless amine, bensulfuron-methyl, the combination of oxazine humulone.
Claims (4)
1. one kind for preventing and kill off the Herbicidal combinations of paddy field annual weed, it is characterized in that: active ingredient is the third careless amine, bensulfuron-methyl, oxazine humulone, the percentage by weight of the third careless amine in composition is 1%～50%, the percentage by weight of bensulfuron-methyl in composition is that the percentage by weight of 1%～10% oxazine humulone in composition is 1%～30%, and all the other are insecticides adjuvant.
2. according to claim 1 a kind of for preventing and kill off the Herbicidal combinations of paddy field annual weed, it is characterized in that: in described Herbicidal combinations, also contain agricultural chemicals auxiliary element, so that herbicidal composition is used in agricultural production.
3. according to claim 1 a kind of for preventing and kill off the Herbicidal combinations of paddy field annual weed, it is characterized in that: a kind of in its formulation suspending agent, wetting powder, water dispersible granules, granule.
4. according to claim 1 a kind of for preventing and kill off the Herbicidal combinations of paddy field annual weed, it is characterized in that: be applicable to prevent and kill off paddy field annual weed.
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| CN201310625742.9A CN103688969A (en) | 2013-11-28 | 2013-11-28 | Weeding composition for preventing and removing annual weed in rice paddy fields |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920389A (en) * | 2015-06-24 | 2015-09-23 | 陕西上格之路生物科学有限公司 | Weeding composite comprising oxaziclomefone |
| CN105027723A (en) * | 2015-07-02 | 2015-11-11 | 盐城市新洋农业试验站 | Application technology of pre-emergence soil treatment herbicide used in cornfield |
| CN105145608A (en) * | 2015-07-31 | 2015-12-16 | 广东中迅农科股份有限公司 | Pesticide composition containing pretilachlor and oxaziclomefone and sulfonylureas herbicide |
| CN106973918A (en) * | 2017-04-26 | 2017-07-25 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and propisochlor |
| CN107094779A (en) * | 2017-06-22 | 2017-08-29 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and S-metolachlor |
| CN107114380A (en) * | 2017-06-22 | 2017-09-01 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and propachlor |
| CN107156145A (en) * | 2017-06-22 | 2017-09-15 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and isopropyl methoxalamine |
| CN108271796A (en) * | 2018-03-27 | 2018-07-13 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam and KIH 6127 |
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| CN103329917A (en) * | 2013-06-04 | 2013-10-02 | 广东中迅农科股份有限公司 | Weeding composition containing oxaziclomefone and bensulfuron methyl |
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| CN1268294A (en) * | 1999-03-31 | 2000-10-04 | 江苏诺华农化有限公司 | Pretilachlor and bensulfuron-methyl compounded preparation |
| CN1287782A (en) * | 1999-09-14 | 2001-03-21 | 杭州振化化工有限公司 | Composite herbicide contg. propisochlor/bensulfuron |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920389A (en) * | 2015-06-24 | 2015-09-23 | 陕西上格之路生物科学有限公司 | Weeding composite comprising oxaziclomefone |
| CN105027723A (en) * | 2015-07-02 | 2015-11-11 | 盐城市新洋农业试验站 | Application technology of pre-emergence soil treatment herbicide used in cornfield |
| CN105145608A (en) * | 2015-07-31 | 2015-12-16 | 广东中迅农科股份有限公司 | Pesticide composition containing pretilachlor and oxaziclomefone and sulfonylureas herbicide |
| CN106973918A (en) * | 2017-04-26 | 2017-07-25 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and propisochlor |
| CN107094779A (en) * | 2017-06-22 | 2017-08-29 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and S-metolachlor |
| CN107114380A (en) * | 2017-06-22 | 2017-09-01 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and propachlor |
| CN107156145A (en) * | 2017-06-22 | 2017-09-15 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and isopropyl methoxalamine |
| CN108271796A (en) * | 2018-03-27 | 2018-07-13 | 安徽圣丰生化有限公司 | A kind of herbicidal composition of penoxsuam and KIH 6127 |
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