CN104855395A - Post-emergence herbicide composition containing topramezone, sulfentrazone and atrazine and used for corn - Google Patents
Post-emergence herbicide composition containing topramezone, sulfentrazone and atrazine and used for corn Download PDFInfo
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- CN104855395A CN104855395A CN201510268111.5A CN201510268111A CN104855395A CN 104855395 A CN104855395 A CN 104855395A CN 201510268111 A CN201510268111 A CN 201510268111A CN 104855395 A CN104855395 A CN 104855395A
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Abstract
The invention relates to post-emergence herbicide composition containing topramezone, sulfentrazone and atrazine and used for corn. Active ingredients of the herbicide composition comprise topramezone, sulfentrazone and atrazine in the weight ratio being (0.1-70): (0.1-70): (0.1-80). The herbicide composition can control annual gramineous weeds in a corn field, can control broadleaf weeds and nutgrass flatsedge and has a remarkable weed control effect and a prominent synergism effect; besides, the herbicide composition can control weeds in the whole growth period of crops after one-time application, has no influence on succeeding crops and is ideal herbicide.
Description
Technical field
The present invention relates to pesticide herbicide technical field, be specifically related to a kind of Weeding composition applied in post-emergence period of corn containing benzene azoles humulone, sulfentrazone and atrazine.
Technical background
Corn is the important cereal crops of China, is also important forage crop.In recent years, along with the development of the industries such as livestock breeding, food processing, wine-making industry and biodiesel, the market demand of corn constantly increases.Within 2012, China's maize sown area reaches 3994.9 ten thousand hectares, is only second to paddy rice, becomes second largest long-term cropping, and also has the trend increased.The weeds of corn field occur general, of a great variety, and occur serious at Huang-Huai-Hai summer corn crop smothering, 82% ~ 96% of crop smothering occurring area Zhan Gai district cultivated area, wherein medium above hazard area reaches 64 ~ 66%.Maize at Seedling Stage is the most serious by crop smothering, little in the impact of corn growth middle and later periods weeds on output.When Maize Seedling is by Weed infestation, plant is short and small, bar spire yellow, causes middle and later periods corn growth bad, Severe Reduction.
Along with the development of agricultural cience and farming techniques, chemical herbicide apply as saving of labor, save time, one of cost-effective strong well stimulation.The chemical control of corn field weed mostly after broadcasting before seedling and after seedling early stage two critical periods carry out, ordinary maize herbicide after seedling is before the corn 2 leaf phase, and 6 leaf after date medications are dangerous.At present, corn herbicide kind is more, and the wherein representative kind of Control Weeds in Maize Field that has has nicosulfuron and mesotrione.But nicosulfuron has poisoning to some corn variety, mesotrione is good to corn safety, but is not very desirable to grassy weed effect.
The maximum advantage of benzene azoles humulone (bud is defended) is exactly safety, and it has good selectivity to the corn of the overwhelming majority, comprises ordinary maize, Sweety and waxy corn, pop corn; And can use by whole growth period after maize seedling.In addition, bud is defended most of annual corn field common weed, and especially grassy weed, has good preventive effect; Bud is defended and is added atrazine, and dead careless speed is accelerated, and within 2-4 days, weeds obviously occur alphosis, and in 2 weeks, weeds are thoroughly dead, to the large grass in corn dispenser evening phase, and dayflower, the malignant weeds such as acalypha copperleaf have better control efficiency.3rd advantage is that the lasting period is long, and bud defends mixed atrazine, and the control grass phase can reach more than 35 days; It has the wider operating period than conventional herbicide after seedling, can allow the situations such as peasant household emerges in more suitable weeds, farming season time dispenser.Have well mixed compatible with atrazine etc.But because the atrazine lasting period is long, harmful to late stubble sensitive crop wheat, soybean, paddy rice etc., the lasting period reaches 2-3 month.
Benzene azoles humulone and atrazine, if atrazine consumption is excessive, have herbicide carryover to second stubble crop.If dosage is too small, do not have synergistic effect again.
Sulfentrazone belongs to proporphyrinogen oxidase inhibitor, and it, by suppressing proporphyrinogen oxidase, makes to produce excessive protoporphyrin IX in plant cell, the latter is sensitising agent, cause producing active oxygen in cell, finally cause cell membrane, vesicular membrane etc. to break, cell Dissolve things inside oozes out and withered death.Its half life period in soil is 110-280 days, can cauline leaf process, soil treatment, all can use in early days before bud and after bud, the Tanakas such as corn, Chinese sorghum, soybean, peanut are prevented and treated lead a cow, Amaranthus retroflexus, lamb's-quarters, datura, lady's-grass, green foxtail, Siberian cocklebur, eleusine indica, annual broad leaved weed, grassy weed and the nutgrass flatsedge etc. such as the rhizome of nutgrass flatsedge are all effective.
Summary of the invention
The object of this invention is to provide one and can prevent and kill off grassy weed, broad leaved weed and nutgrass flatsedge can be prevented and kill off again, and respond well maize post-emergence compound herbicide, and the complex weedicide to succession crop safety.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of Weeding composition applied in post-emergence period of corn containing benzene azoles humulone, sulfentrazone and atrazine, it is characterized in that: the active ingredient of described Herbicidal combinations is benzene azoles humulone, sulfentrazone and atrazine, and the weight ratio of described benzene azoles humulone, sulfentrazone and atrazine is 0.1-70:0.1-70:0.1-80.
Preferably, the weight ratio of described benzene azoles humulone, sulfentrazone and atrazine is 1-3:5-30:15-35.
More preferably, the weight ratio of described benzene azoles humulone, sulfentrazone and atrazine is 2:15:25.
The quality of described benzene azoles humulone, sulfentrazone and atrazine and account for 0.5 ~ 85% of described Herbicidal combinations gross mass.
The formulation of described Herbicidal combinations is for dispersibling oil-suspending agent, suspending agent, suspension emulsion, missible oil, microemulsion, aqueous emulsion, wetting powder or water dispersible granules.
The synergy after mixture is evaluated by the co-toxicity coefficient method of Sun Yunpei, result display benzene azoles humulone, sulfentrazone and atrazine three kinds of active components are obviously greater than 120 in the co-toxicity coefficient that 1-3:5-30:15-35 ratio is composite, reach remarkable synergistic effect, illustrate that benzene azoles humulone, sulfentrazone and atrazine three kinds of active components have significant synergies to annual single broadleaf weed and nutgrass flatsedge.
The Security test test of corn is shown that the composite cauline leaf process of benzene azoles humulone, sulfentrazone and atrazine three kinds of active components suppresses the ED of corn growth 10%
10=2989.8855, suppress the ED of weed growth 90%
90=575.3134, selectivity factor=2989.8855/575.3134=5.20>2, think that this medicament has obvious selectivity, benzene azoles humulone, sulfentrazone and atrazine three kinds of active components have good safety to corn.
Herbicidal combinations of the present invention is shown by the field control effectiveness test of 2 years, and in corn 3 ~ 5 leaf phase, weeds 2-5 leaf does not wait the phase, and corn has no symptom of chemical damage from dispenser to maturing stage, to corn safety.The preventive effect 80 milliliters/mu of weeds reaches more than 75.3% in 10 days, within 30 days, reach more than 90.5%, along with the increase of dosage, preventive effect obviously strengthens, good herbicidal effect can be reached corn field 100 milliliters/mu, with be used alone wherein a kind of active ingredient and compare, expand herbicide spectrum, to grassy weed, broad leaved weed and nutgrass flatsedge, there is obvious synergistic effect.A dispenser can control the weeds in crop whole vegetative period, and not only herbicidal effect is remarkable, and environmentally friendly, on second stubble crop without impact.
Compared with prior art, Herbicidal combinations of the present invention can prevent and kill off grassy weed, can prevent and kill off broad leaved weed and nutgrass flatsedge again, to corn safety, and on succession crop without impact, has a good application prospect.
Embodiment
The invention discloses a kind of Weeding composition applied in post-emergence period of corn containing benzene azoles humulone, sulfentrazone and atrazine three kinds of active components, those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Product of the present invention and application are described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
Below in conjunction with embodiment, set forth the present invention further:
Embodiment 1:31.5% benzene azoles humulone sulfentrazone atrazine dispersibles oil-suspending agent (benzene azoles humulone: sulfentrazone: atrazine=1.5:15:15)
Get 1.5kg benzene azoles humulone, 15kg sulfentrazone, 15kg atrazine, 8kg dispersant-block polyether non-ionic surface active agent (Pluronic125), 5kg wetting agent-propane diols, 0.5kg disintegrant-xanthans, 1kg binding agent-methylated vegetable oil, carrier water 54kg.Through abundant mixing preparation, ball mill grinding, adjust, be packaged to be and dispersible oil-suspending agent.
Embodiment 2:42% benzene azoles humulone sulfentrazone atrazine suspending agent (benzene azoles humulone: sulfentrazone: atrazine=2:15:25)
Get 2kg benzene azoles humulone, 15kg sulfentrazone, 25kg atrazine, 8kg sodium lignin sulfonate (dispersant), 5kg fatty alcohol-polyoxyethylene ether (wetting agent), 1kg xanthans (thickener), 2kg polyoxyethylene polyoxy propyl alcohol amidogen ether (defoamer), 5kg ethylene glycol (antifreezing agent), carrier water 37kg.Through abundant mixing preparation, ball mill grinding, adjust, be packaged to be suspending agent.
Embodiment 3:63% benzene azoles humulone sulfentrazone atrazine water dispersible granule (benzene azoles humulone: sulfentrazone: atrazine=3:20:30)
Get 3kg benzene azoles humulone, 20kg sulfentrazone, 40kg atrazine, 7kg dispersant-naphthalenesulfonate formaldehyde condensation compound (D-425), the mixture (EFW) of 5kg wetting agent-alkylnaphthalene sulfonate and anion wetting agent, 5kg disintegrant-ammonium sulfate, 2kg binding agent-polyvinyl alcohol (PVA), carrier kaolin 19kg.Water dispersible granules is obtained through fully mixing, air-flow crushing, mixing, granulation, drying and screening.
Embodiment 4:46% benzene azoles humulone sulfentrazone atrazine water dispersible granule (benzene azoles humulone: sulfentrazone: atrazine=1:30:15)
Get 1kg benzene azoles humulone, 30kg sulfentrazone, 15kg atrazine, 7kg dispersant-naphthalenesulfonate formaldehyde condensation compound (D-425), the mixture (EFW) of 5kg wetting agent-alkylnaphthalene sulfonate and anion wetting agent, 5kg disintegrant-ammonium sulfate, 2kg binding agent-polyvinyl alcohol (PVA), carrier kaolin 19kg.Water dispersible granules is obtained through fully mixing, air-flow crushing, mixing, granulation, drying and screening.
Embodiment 5:47% benzene azoles humulone sulfentrazone atrazine wetting powder (benzene azoles humulone: sulfentrazone: atrazine=2:10:35)
Get 2kg benzene azoles humulone, 10kg sulfentrazone, 35kg atrazine, 4kg dispersant NNO, 3kg wetting agent K12,4kg White Carbon black, precipitated calcium carbonate complements to 100kg.Through fully mixing, air-flow crushing, mixing, obtain wetting powder.
Embodiment 6:27.5% benzene azoles humulone sulfentrazone atrazine suspending agent (benzene azoles humulone: sulfentrazone: atrazine=2.5:5:20)
Get 2.5kg benzene azoles humulone, 5kg sulfentrazone, 20kg atrazine, 6kg sodium lignin sulfonate (dispersant), 5kg fatty alcohol-polyoxyethylene ether (wetting agent), 1kg xanthans (thickener), 2kg polyoxyethylene polyoxy propyl alcohol amidogen ether (defoamer), 5kg ethylene glycol (antifreezing agent), carrier water 37kg.Through abundant mixing preparation, ball mill grinding, adjust, be packaged to be suspending agent.
Embodiment 7: benzene azoles humulone, sulfentrazone and atrazine cauline leaf process synergy toxicity determination test are reported
Under greenhouse experiment, adopt pot-culture method, the herbicidal effect of research benzene azoles humulone, sulfentrazone and atrazine ternary built, and the synergy type after using with the co-toxicity coefficient method evaluation three different proportion of Sun Yunpei, for the rational mixture of benzene azoles humulone, sulfentrazone and atrazine provides scientific basis.
For studying thing corn variety: tuck in single No. 2
For examination weeds lady's-grass (Digitaria sanguinalis (Linn.) Scop.), green foxtail (Setariaviridis (L.) Beauv.), acalypha copperleaf (Acalypha australis L.), lamb's-quarters (Chenopodium album L.), difformed galingale herb (Cyperus difformis L.) (upper one year gathered seed in field, and germination rate is more than 85%).
The reagent agent 97% benzene former medicine of azoles humulone (BASF European Co., Ltd); The former medicine of 94% sulfentrazone (Shandong Weifang Rainbow Chemical Co., Ltd.); The former medicine of 92% atrazine (Xuanhua Agriculture Chemicals Co., Ltd., Hebei).
Take quantitative former medicine with electronic balance, add appropriate emulsifier, with acetone solution, finally with the POLYSORBATE 80 aqueous solution of 0.1%, above-mentioned former medicine is diluted to desired concn.
The synergy of sulfentrazone and atrazine
Sulfentrazone, atrazine single dose and 5 sulfentrazones and atrazine mixture preparation are established 5 dosage respectively, separately establishes blank, each test process repetition 4 times.Treatment agent dosage refers to table 1.
Table 1 tests process and test level (consumption g a.i./667 ㎡)
The best mixture of sulfentrazone and atrazine and the synergy of benzene azoles humulone
Sulfentrazone atrazine mixture, benzene azoles humulone single dose and 5 mixture preparations are established 5 dosage respectively, separately establishes blank, each test process repetition 4 times.Treatment agent dosage refers to table 2.
Table 2 tests process and test level (concentration g a.i./667 ㎡)
In corn 3 leaf phase, weeds 2-4 leaf phase cauline leaf spraying process.Test and carry out reagent spray process on June 2nd, 2014, dispenser 1 time.Record the damage symptoms of corn and weeds after dispenser in detail, 20d after medicine, carries out fresh weight measurement, and compared with control treatment, calculates fresh weight preventive effect.
The co-toxicity coefficient method evaluation of result of the test Sun Yunpei use with after synergy type.Its actual toxicity index, mixture theoretical toxicity index, co-toxicity coefficient is calculated according to SUN, Y-P (Sun Yunpei) method.Take log concentration as X, damage by disease and insect preventive effect probit value is Y, asks regression equation.
Actual toxicity index=standard agent LD
50the LD of/mixture
50× 100
Theoretical toxicity index=∑ (percentage of this medicament active ingredient of the toxicity index of reagent agent × in mixture)
Actual toxicity index/theoretical toxicity index × 100 of co-toxicity coefficient=mixture
In test with benzene azoles humulone, atrazine for standard agent.
Criterion: co-toxicity coefficient <80 is antagonism, be summation action between 80-120, >120 is synergistic effect.
The synergy of sulfentrazone and atrazine is as shown in table 3 below:
After table 3 sulfentrazone and atrazine mixture medicine, 20d is to the fresh weight preventive effect of weeds
In table, control efficiency is the mean value of four data.
As shown in Table 3: medicament is to the toxic action situation of weeds and preventive effect.By its respective virulence regression equation, LD of formulae discovery
50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.List in table 4.
Table 4: sulfentrazone and atrazine mixture are to the synergy of weeds
From test, the co-toxicity coefficient of process C, D, E, F, G is respectively: 212.83,211.49,231.04,189.04,155.32, and co-toxicity coefficient is all greater than 120, has synergistic effect, the co-toxicity coefficient particularly processing E is 231.04 to the maximum, has remarkable synergistic effect.
5.1.3 conclusion (of pressure testing)
Known by testing, sulfentrazone and atrazine comparatively suitable in 15:25 ratio mixture, annual single broadleaf weed and nutgrass flatsedge are had significant synergies.
The synergy of sulfentrazone and the best mixture of atrazine and benzene azoles humulone is as shown in table 5 below:
Table 5 sulfentrazone atrazine fresh weight preventive effect to weeds mixed with benzene azoles humulone
In table, control efficiency is the mean value of four data.
As shown in Table 5: medicament is to the toxic action situation of weeds and preventive effect.By its respective virulence regression equation, LD of formulae discovery
50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.List in table 6.
Table 6: sulfentrazone atrazine and the different mixed ratio of benzene azoles humulone are to the indoor virulence of weeds and synergy
From test, the co-toxicity coefficient of process C, D, E, F, G is respectively: 121.96,128.77,139.79,132.07,130.76, and co-toxicity coefficient is all greater than 120, reaches obvious synergistic effect, and wherein the co-toxicity coefficient of F is maximum, is 139.79.
Known by testing, benzene azoles humulone, sulfentrazone and atrazine three kinds of active components, by weight carrying out composite for 1-3:5-30:15-35, have significant synergies to annual single broadleaf weed.Wherein benzene azoles humulone, sulfentrazone and atrazine are maximum with the co-toxicity coefficient that the part by weight of 2:15:25 is composite, and herbicidal effect is best.
Embodiment 8: the process of benzene azoles humulone isopropyl green bristlegrass cauline leaf is to the safety indoor measurement test report of corn
Under greenhouse experiment, adopt pot-culture method, study benzene azoles humulone, sulfentrazone and the process of atrazine ternary built cauline leaf to the safety of corn, for the rational mixture of benzene azoles humulone, sulfentrazone and atrazine provides scientific basis.
For studying thing corn variety: tuck in single No. 2
For examination weeds lady's-grass (Digitaria sanguinalis (Linn.) Scop.), green foxtail (Setariaviridis (L.) Beauv.), recessed head amaranth (Amaranthus ascendens Loisel.), lamb's-quarters (Chenopodium albumL.) (upper one year gathered seed in field, and germination rate is more than 85%).
The reagent agent 97% benzene former medicine of azoles humulone (BASF European Co., Ltd); The former medicine of 94% sulfentrazone (Shandong Weifang Rainbow Chemical Co., Ltd.); The former medicine of 92% atrazine (Xuanhua Agriculture Chemicals Co., Ltd., Hebei).
Take quantitative former medicine with electronic balance, add appropriate emulsifier, with acetone solution, finally with the POLYSORBATE 80 aqueous solution of 0.1%, above-mentioned former medicine is diluted to desired concn.
In corn 3 leaf phase, weeds 2-4 leaf phase cauline leaf spraying process dispenser 1 time.After dispenser, investigate each process corn with or without symptom of chemical damage, if having, record symptom of chemical damage, grade in detail, after medicine 20 days, measure each process corn fresh weight, calculate fresh weight inhibition, with the safety of clear and definite test medicine to corn.The damage symptoms (as growth inhibition, chlorosis, deformity etc.) of simultaneously in detail record weeds after dispenser, after medicine 20 days, weighs each process weeds acrial part fresh weight, the fresh weight preventive effect of calculating weeds.
Regression analysis is carried out, dosage ED when calculating correlation coefficient and suppress crop 10% by the probability value of DPS software to the logarithm value of drug dose and corn fresh weight inhibition
10, and suppress weeds 90%ED
90, obtain selectivity index.
Selectivity index=ED
10/ ED
90
Within after dispenser 5 days, observe, high concentration 4000mg/kg (4 times of recommended dose high dose) the processing section corn lobus cardiacus albefaction of the 42% benzene azoles humulone sulfentrazone atrazine suspending agent prepared with embodiment 2, plant height is normal, recommended dose and times amount process corn growing way thereof normally, are not significantly distinguished with blank process.
Table 7 activity of weeding and crop safety ocular estimate evaluation criterion
Table 8 42% benzene azoles humulone sulfentrazone green bristlegrass suspending agent is to the inhibitory action of corn
Table 9 42% benzene azoles humulone sulfentrazone green bristlegrass suspending agent is to the fresh weight preventive effect of weeds
As shown in Table 9: this medicament to the toxic action situation of weeds and preventive effect, by formulae discovery its each virulence regression equation, LD
50, list in table 10.
Table 10: virulence regression equation and LD
50
| Process | Regression equation | Correlation coefficient | LD 50 | 95% confidence interval |
| A | Y＝-1.2503+2.7290x | 0.9974 | 195.1217 | 179.5167～212.0831 |
As shown in Table 10: the LD of 42% benzene azoles humulone sulfentrazone green bristlegrass suspending agent
50for: 195.1217,95% confidence interval is 179.5167 ~ 212.0831.
By table 2, table 3, can in the hope of suppressing the ED of corn growth 10% by DPS software
10=2989.8855, suppress the ED of weed growth 90%
90=575.3134, selectivity factor=2989.8855/575.3134=5.20>2, think that this medicament has obvious selectivity, to corn safety.
Embodiment 9: complex weedicide field control effectiveness test of the present invention
Complex weedicide of the present invention is shown by the field control effectiveness test of 2 years, in corn 3 ~ 5 leaf phase, weeds 1 ~ 5 leaf does not wait the phase, the 42% benzene azoles humulone sulfentrazone utilizing embodiments of the invention 2 to prepare removes the dosage 80,100,120,200 milliliters/mu of Tianjin suspending agent (2% benzene azoles humulone+15% sulfentrazone+25% atrazine), be watered 40 kgs/acre to spray, 10,30 days and maturing stage range estimation corn safety and Weed-control effect, within 10,30 days, survey all preventive effects, result is as following table:
Note: in table empty control group, data are strain number, and other respectively processes data is preventive effect (%)
By range estimation, corn has no symptom of chemical damage from dispenser to maturing stage, to corn safety.The preventive effect 80 milliliters/mu of weeds reaches more than 75.3% in 10 days, within 30 days, reach more than 90.5%, along with the increase of dosage, preventive effect obviously strengthens, good herbicidal effect can be reached corn field 100 milliliters/mu, with be used alone wherein a kind of active ingredient and compare, expand herbicide spectrum, to grassy weed, broad leaved weed and nutgrass flatsedge, there is obvious synergistic effect.A dispenser can control the weeds in crop whole vegetative period, and not only herbicidal effect is remarkable, and environmentally friendly, on second stubble crop without impact, little to the pollution of environment, to people, animal, birds and beneficial organism safety, is conducive to keeping ecological balance.In addition, weed killer herbicide of the present invention adopts physical method processing, and production technology is simple, and three-waste free discharge in production process, has no adverse effects to ecotope.It is the desirable complex weedicide of current control efficiency.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the Weeding composition applied in post-emergence period of corn containing benzene azoles humulone, sulfentrazone and atrazine, it is characterized in that: the active ingredient of described Herbicidal combinations is benzene azoles humulone, sulfentrazone and atrazine, and the weight ratio of described benzene azoles humulone, sulfentrazone and atrazine is 0.1-70:0.1-70:0.1-80.
2. Weeding composition applied in post-emergence period of corn according to claim 1, is characterized in that: the weight ratio of described benzene azoles humulone, sulfentrazone and atrazine is 1-3:5-30:15-35.
3. Weeding composition applied in post-emergence period of corn according to claim 2, is characterized in that: the weight ratio of described benzene azoles humulone, sulfentrazone and atrazine is 2:15:25.
4. Weeding composition applied in post-emergence period of corn according to claim 1, is characterized in that: the quality of described benzene azoles humulone, sulfentrazone and atrazine and account for 0.5 ~ 85% of described Herbicidal combinations gross mass.
5. Weeding composition applied in post-emergence period of corn according to claim 1, is characterized in that: the formulation of described Herbicidal combinations is for dispersibling oil-suspending agent, suspending agent, suspension emulsion, missible oil, microemulsion, aqueous emulsion, wetting powder or water dispersible granules.
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| CN110024794A (en) * | 2019-05-12 | 2019-07-19 | 山东省农业科学院植物保护研究所 | A kind of herbicidal composition containing topramezone and sulfentrazone suitable for corn field |
| CN111436444A (en) * | 2020-05-29 | 2020-07-24 | 京博农化科技有限公司 | Pesticide composition containing topramezone, flufenacet and atrazine |
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|---|---|---|---|---|
| CN110024794A (en) * | 2019-05-12 | 2019-07-19 | 山东省农业科学院植物保护研究所 | A kind of herbicidal composition containing topramezone and sulfentrazone suitable for corn field |
| CN110024795A (en) * | 2019-05-14 | 2019-07-19 | 山东省农业科学院植物保护研究所 | A kind of herbicidal composition containing topramezone and sulfentrazone suitable for wheat paddock |
| CN111436444A (en) * | 2020-05-29 | 2020-07-24 | 京博农化科技有限公司 | Pesticide composition containing topramezone, flufenacet and atrazine |
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| CN104855395B (en) | 2017-04-19 |
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