CN102265870B - Weeding compound containing bentazone, dicamba and atrazine and application thereof - Google Patents
Weeding compound containing bentazone, dicamba and atrazine and application thereof Download PDFInfo
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- CN102265870B CN102265870B CN 201010193783 CN201010193783A CN102265870B CN 102265870 B CN102265870 B CN 102265870B CN 201010193783 CN201010193783 CN 201010193783 CN 201010193783 A CN201010193783 A CN 201010193783A CN 102265870 B CN102265870 B CN 102265870B
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- dicamba
- atrazine
- bentazone
- herbicidal combinations
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Abstract
The invention discloses a weeding compound containing bentazone, dicamba and atrazine. Bentazone, dicamba and atrazine are taken as the main active principles of the weeding compound and the mass ratio of bentazone to dicamba to atrazine is (1-70):(1-70):(1-70). The weeding compound is applied to weeding after seedling in a corn field and has especially obvious effect for removing gramineae weedsand broad leaf weeds from the corn field. Compared with a single agent, the weeding compound provided by the invention has the advantages that the pesticide effect is promoted, the weeds resistance is restrained, the weeding scope is wide, the effect is long-lasting and the weeding compound is safe to corn and post-cultured crops.
Description
Technical field
The invention belongs to technical field of pesticide, weed killer herbicide field especially is specifically related to the ternary built Herbicidal combinations of a kind of bentazone, dicamba and atrazine.This Herbicidal combinations can be applicable to the corn field postemergence weed control.
Background technology
Bentazone has another name called Lysimachia sikokiana pellet, Bentazon.Chemical name: the 3-isopropyl-(1H)-and benzo-2,1,3-thiadiazine-4-ketone-2,2-dioxide, this weed killer herbicide are optionally herbicide after seedling of contact killing type tool, are used for cauline leaf processing in seedling stage, work by the blade contact.Dry land is used, and is transmitted to inhibited photosynthesis in the chloroplast by the blade face infiltration first.The paddy field is used and can be passed through root absorption again by the blade face infiltration, is transmitted to cauline leaf, strongly hinders weeds photosynthesis and water metabolism, causes nutrition hungry, makes physiological function lack of proper care and cause death.Active ingredient is detoxified to active weak glycoconjugates metabolism in the tolerable crop body, and to crop safety, 6-18 week bentazone can be decomposed by microorganism in soil after the dispenser.But bentazone is invalid to grassy weed, and herbicidal spectrum is single.
Atrazine (Atrazine), have another name called atrazine, a kind of triazine herbicide, chemical name 2-chloro-4-ethylamino-6-isopropylamino-1,3, the 5-triazine, atrazine is before the selectivity inner sucting conduction type seedling, herbicide after seedling, and take root absorption as main, cauline leaf absorbs seldom, be transmitted to rapidly plant meristematic tissue and leaf section, disturb photosynthesis that weeds are caused death.In the resistance crop bodies such as corn, decomposed the generation innocuous substance by the corn ketolase, thereby to safety such as corns.Its herbicide spectrum is wider, can prevent and kill off multiple annual gramineae and broad leaved weed.Because atrazine is take root absorption as main, thus when weeds generation density higher, or plant is when larger, it is difficult to thoroughly extremely cut weeds, and, had many weeds that it has been produced serious resistance.
Dicamba (dicamba) has another name called Dicamba, chemical name: 3,6-, two chloro-O-Anisic Acids, belong to the weed killer herbicide that benzoic acid is, and dicamba has interior suction conduction.This medicine is very fast by the leaf of weeds, stem, root absorption for spraying behind the seedling, conducts up and down by phloem and xylem, and medicament focuses mostly at meristematic tissue and the vigorous position of metabolic activity, hinders the normal activity of plant hormone, thereby makes its death.Life in 1 year and perennial broadleaf weed there is remarkable preventive effect.Can carry out soon the metabolism decomposition behind the gramineous plants such as wheat, the corn absorption medicament and make it to lose efficacy, therefore the stronger pesticide resistance of performance.But, dicamba to grassy weed to no effect, and the part broad leaved weed produced resistance to it, therefore, it has been subject to certain limitation in the use.
Summary of the invention:
The purpose of this invention is to provide a kind of Herbicidal combinations that contains bentazone, dicamba and atrazine.
Another object of the present invention provides the application of this Herbicidal combinations in cornfield weeding.
A kind of Herbicidal combinations that contains bentazone, dicamba and atrazine, it is characterized in that this Herbicidal combinations is take bentazone, dicamba and atrazine as main active ingredient, the mass ratio of bentazone, dicamba and atrazine is 1～70: 1～70: 1～70, the mass ratio of preferred bentazone, dicamba and atrazine is 1～40: 1～40: 1～40, most preferably 1～15: 1～15: 1～15.
In Herbicidal combinations, bentazone, dicamba and the atrazine three quality percentage composition in Herbicidal combinations is 1～85%, and the preferred mass percentage composition is 20～75%.
In the ternary recompounded composite of bentazone of the present invention, dicamba and atrazine, except the active ingredients such as bentazone, dicamba and atrazine, can also add the auxiliary agents such as conventional surfactants, thickener, solvent or solid packing that allow on the pesticidal preparations and be mixed with any one formulation that allows on the agricultural chemicals.Preferably be processed into suspending agent, missible oil, water dispersion granule, wetting powder, aqueous emulsion etc.
Herbicidal combinations of the present invention can be used in the corn field postemergence weed control, particularly uses in various grass family and the broad leaved weed to have remarkable result in preventing and kill off corn field.
Herbicidal combinations of the present invention has the following advantages:
1, activity of weeding is high.Herbicidal combinations of the present invention can kill weeds by three kinds of different mechanism, so that Weed Resistance has produced Speed Reduction, greatly improves the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.The herbicide of three kinds of weed killer herbicides spectrum is different, and the be mixed medicament that makes of three is combined herbicidal spectrum and the activity of various medicaments, so that the herbicidal spectrum of mix preparation is wider, the lasting period is longer.
3, delay Weed Resistance.The present invention can significantly improve the preventive effect to various resistant weeds, delays the generation of herbicide resistance, has prolonged the service life of medicament.
4, safe.Herbicidal combinations of the present invention is applied to the corn field postemergence weed control, and it can prevent and kill off various grass family and broad leaved weed in the corn field, under the prerequisite that has improved drug effect, corn and succession crop is all had safety.
Therefore, Herbicidal combinations of the present invention can be used in the weed killer herbicide for the preparation of the corn field postemergence weed control, particularly uses in for the preparation of the weed killer herbicide of preventing and kill off grass family and broad leaved weed in the corn field.
Embodiment
Embodiment 1
Bentazone 10%, atrazine 28%, dicamba 2%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%, water supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 40% suspending agent.
Embodiment 2
Bentazone 8%, atrazine 15%, dicamba 2%, calcium dodecyl benzene sulfonate 9%, alkylphenol polyoxyethylene 5%, dimethylbenzene to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 25% missible oil.
Embodiment 3
Bentazone 60%, atrazine 10%, dicamba 5%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 4
Bentazone 20%, atrazine 35%, dicamba 10%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, sodium lignin sulfonate 7%, white carbon 9%, kaolin supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 65% wetting powder.
Embodiment 5
Bentazone 29%, atrazine 1%, dicamba 10%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%, water supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 40% suspending agent.
Embodiment 6
Bentazone 1%, atrazine 10%, dicamba 14%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 15% aqueous emulsion.
Embodiment 7
Bentazone 60%, atrazine 14%, dicamba 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 8
Bentazone 20%, atrazine 40%, dicamba 15%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 9
Bentazone 10%, atrazine 15%, dicamba 50%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 10
1), toxicity determination test
Utilize the preparation of embodiment 1～4, measure it to the co-toxicity coefficient of corn field common weed dayflower.
Test method: the seed of quantitative dayflower is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat dayflower 3～6 leaves during the phase, do the composition spray processing of spraying in crawler type.Continue in the greenhouse after processing to cultivate, each processes preventive effect to weeds routine observation, and each weeds fresh weight after processing of weighing behind the 30d is pressed the method for the nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient shows that greater than 100 two kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 two kinds of active principles have antagonism.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
The above results proves absolutely, bentazone, dicamba and atrazine three complex preparation all have significant synergy preventing and kill off on the dayflower.
2), field control effectiveness test:
Reagent agent:
4 kinds of ternary built weed killer herbicides among the embodiment 1～4.
The contrast medicament:
25% bentazone aqua (commercially available), 38% atrazine suspending agent (commercial), 48% dicamba aqueous solution (commercially available).
For studying thing: corn
Maize seedling was 3～6 leaf phases, grew fine, and robust plant is without other damage by disease and insect.
Prevent and kill off object:
Grass family and broad leaved weed: the corn field advantage weeds such as barnyard grass, green foxtail, dayflower, piemarker, anti-Zhi Amaranth.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after being watered dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head of sprinkler selection weed killer herbicide special use.During spraying, note liquid is evenly sprayed application in the experimental plot phenomenon of accomplishing there is not drain spray, spraying more.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments.In addition, also to behind medicine, observe the condition of production (consumption is the consumption of every mu of ground active ingredient) of crop in 1～15d, to investigate medicament whether crop be had poisoning.
Embodiments of the invention preparation weeding test effect see the following form 2 (20d behind the medicine) and table 3 (40d behind the medicine).
20 days drug effect results after table 2 dispenser
| Treatment agent | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Total preventive effect (%) |
| Embodiment 1 | 50 | 90 | 95 | 92 |
| Embodiment 2 | 50 | 92 | 95 | 94 |
| Embodiment 3 | 50 | 91 | 94 | 93 |
| Embodiment 4 | 50 | 92 | 96 | 94 |
| 38% atrazine suspending agent | 150 | 85 | 77 | 80 |
| 25% bentazone aqua | 100 | - | 88 | 47 |
| 48% dicamba aqueous solution | 40 | - | 84 | 46 |
40 days drug effect results after table 3 dispenser
| Treatment agent | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Total preventive effect (%) |
| Embodiment 1 | 100 | 87 | 92 | 89 |
| Embodiment 2 | 100 | 89 | 90 | 90 |
| Embodiment 3 | 100 | 84 | 91 | 88 |
| Embodiment 4 | 100 | 87 | 90 | 88 |
| 38% atrazine suspending agent | 150 | 76 | 68 | 72 |
| 25% bentazone aqua | 100 | - | 72 | 35 |
| 48% dicamba aqueous solution | 40 | - | 69 | 31 |
Can find out from table 2 and table 3, the present invention has significant preventive effect to grassy weed and broad leaved weed, and synergy is remarkable, and the lasting period is long.
Table 4 medicament is to the security survey result of crop
Each corn of processing in the residential quarter grows fine, and each is processed the residential quarter and has no any medicine spot, illustrates that compound drug of the present invention is to the equal safety of corn.
Claims (3)
1. a Herbicidal combinations that contains bentazone, dicamba and atrazine is characterized in that this Herbicidal combinations take bentazone, dicamba and atrazine as active ingredient, and this Herbicidal combinations is:
Bentazone 10%, atrazine 28%, dicamba 2%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy third rare block compound 5%, xanthans 2%, water supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 40% suspending agent;
Or bentazone 8%, atrazine 15%, dicamba 2%, calcium dodecyl benzene sulfonate 9%, alkylphenol polyoxyethylene 5%, dimethylbenzene to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 25% missible oil;
Or bentazone 60%, atrazine 10%, dicamba 5%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 75% water dispersion granule;
Or bentazone 20%, atrazine 35%, dicamba 10%, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 9%, sodium lignin sulfonate 7%, white carbon 9%, kaolin supplies 100%, and being mixed with the quality percentage composition according to the formulation method of routine is 65% wetting powder.
2. Herbicidal combinations claimed in claim 1 is for the preparation of the application in the weed killer herbicide of corn field postemergence weed control.
3. Herbicidal combinations claimed in claim 1 is for the preparation of the application in the weed killer herbicide of preventing and kill off grass family and broad leaved weed in the corn field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010193783 CN102265870B (en) | 2010-06-07 | 2010-06-07 | Weeding compound containing bentazone, dicamba and atrazine and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010193783 CN102265870B (en) | 2010-06-07 | 2010-06-07 | Weeding compound containing bentazone, dicamba and atrazine and application thereof |
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| Publication Number | Publication Date |
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| CN102265870A CN102265870A (en) | 2011-12-07 |
| CN102265870B true CN102265870B (en) | 2013-09-18 |
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| CN 201010193783 Active CN102265870B (en) | 2010-06-07 | 2010-06-07 | Weeding compound containing bentazone, dicamba and atrazine and application thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907421B (en) * | 2012-10-26 | 2014-06-25 | 山东潍坊润丰化工股份有限公司 | Water dispersible granules containing dicamba salt and atrazine and method for manufacturing water dispersible granules |
| CN107306995A (en) * | 2017-08-01 | 2017-11-03 | 安徽誉秀农业科技有限公司 | A kind of agricultural planting environment-friendly high-efficiency herbicide |
| CN111387190A (en) * | 2020-05-10 | 2020-07-10 | 辽宁山水益农科技有限公司 | Weeding composition containing dicamba and bentazone |
| CN114680112B (en) * | 2020-12-25 | 2023-11-07 | 山东省联合农药工业有限公司 | Mixed weeding composition containing dicamba, cyclosulfamide and atrazine and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420847A (en) * | 2006-05-03 | 2009-04-29 | 美国陶氏益农公司 | A method to reduce spray drift during application of pesticides and crop protection agents |
| CN101562976A (en) * | 2006-12-21 | 2009-10-21 | 组合化学工业株式会社 | Herbicide composition |
| CN101578046A (en) * | 2006-12-11 | 2009-11-11 | 伊萨格罗股份公司 | Herbicidal compositions |
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2010
- 2010-06-07 CN CN 201010193783 patent/CN102265870B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420847A (en) * | 2006-05-03 | 2009-04-29 | 美国陶氏益农公司 | A method to reduce spray drift during application of pesticides and crop protection agents |
| CN101578046A (en) * | 2006-12-11 | 2009-11-11 | 伊萨格罗股份公司 | Herbicidal compositions |
| CN101562976A (en) * | 2006-12-21 | 2009-10-21 | 组合化学工业株式会社 | Herbicide composition |
Non-Patent Citations (2)
| Title |
|---|
| Control of Triazine-Resistant Kochia(Kochia scoparia) in Sorghum(Sorghum bicolor);GAIL A. et al.;《WEED TECHNOLOGY》;19941231;第8卷(第4期);748-753 * |
| GAIL A. et al..Control of Triazine-Resistant Kochia(Kochia scoparia) in Sorghum(Sorghum bicolor).《WEED TECHNOLOGY》.1994,第8卷(第4期),748-753. |
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