CN102265857B - Mixed herbicide containing bentazone, cyhalofop-butyl and quinclorac, and application thereof - Google Patents
Mixed herbicide containing bentazone, cyhalofop-butyl and quinclorac, and application thereof Download PDFInfo
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- CN102265857B CN102265857B CN 201010193083 CN201010193083A CN102265857B CN 102265857 B CN102265857 B CN 102265857B CN 201010193083 CN201010193083 CN 201010193083 CN 201010193083 A CN201010193083 A CN 201010193083A CN 102265857 B CN102265857 B CN 102265857B
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- quinolinic acid
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Abstract
The invention discloses a mixed herbicide containing bentazone, cyhalofop-butyl and quinclorac, and application thereof, belonging to the field of herbicides. Bentazone, cyhalofop-butyl and quinclorac are used as main active components of the mixed herbicide, the mass ratio of bentazone to cyhalofop-butyl to quinclorac is 0.1-80:0.1-80:0.1-80, and the total mass percentage of the three componentsin the mixed herbicide is 1 to 85%. The mixed herbicide provided in the invention has substantial effects in application of weeding after seedling emergence in a paddy rice field, especially in application of preventing and eliminating various grassy and broadleaf weeds in the paddy rice field. Compared to a single herbicide, on the premise of improving drug effects, the mixed herbicide in the invention enables resistance of weeds to be delayed, has a broad weeding spectrum and a long persistent period, and is safe to paddy rice and succeeding crops.
Description
Technical field
The invention belongs to the weed killer herbicide field, relate to a kind of mixed herbicide and application thereof that contains bentazone, cyhalofop-butyl and dichloro quinolinic acid.
Technical background
Bentazone has another name called Lysimachia sikokiana pellet, Bentazon, chemical name: the 3-isopropyl-(1H)-and benzo-2,1,3-thiadiazine-4-ketone-2, the 2-dioxide, structural formula is:
This weed killer herbicide is optionally herbicide after seedling of contact killing type tool, is used for cauline leaf processing in seedling stage, works by the blade contact.When in dry land, using, be transmitted to by the blade face infiltration earlier and suppress photosynthesis in the chloroplast.Can absorb by root again by the blade face infiltration when in the paddy field, using, be transmitted to cauline leaf, hinder weeds photosynthesis and water metabolism strongly, cause nutrition hunger, make physiological function lack of proper care and cause death.Bentazone active ingredient is detoxified to active weak glycoconjugates metabolism in the tolerable crop body, to crop safety, in 6-18 week after the dispenser, can be decomposed by microorganism in soil.But bentazone is invalid to grassy weed, and herbicidal spectrum is single.
Cyhalofop-butyl (cyhalofop-butyl) has another name called a thousand pieces of gold, cyanogen fluorine diclofop-methyl, belongs to fragrant phenoxy propionic acid class weed killer herbicide, chemical name: (R)-and 2-[4 (4-cyano group-2-fluorophenoxy) phenoxy group]-butyl propionate, its structural formula is:
Cyhalofop-butyl is unique in the fragrant phenoxy propionic acid class weed killer herbicide paddy rice to be had the kind of tight security, inhale the conductivity weed killer herbicide in belonging to, blade and leaf sheath by plant corpus absorb, the phloem conduction accumulates the meristem zone in plant corpus, suppresses second phthalein coacetylase carboxylase, fatty acid is synthesized to be stopped, the growth division of cell can not normally be carried out, and film system etc. contains the fat structural deterioration, causes plant death at last.But cyhalofop-butyl is mainly prevented and kill off the barnyard grass grass, grassy weeds such as moleplant seed, and invalid to broad leaved weed and nutgrass flatsedge, herbicidal spectrum is single, and the control of weeds is had limitation.
Dichloro quinolinic acid (Quinclorac) has another name called: quinclorac, belong to hormone-type quinoline carboxylic acid weed killer herbicide, and chemical name is: 3,7-, two chloro-8-Quinoline Carboxylic Acids, structural formula is:
Dichloro quinolinic acid is herbicide for paddy field, is mainly used in anti-barnyard grass grass, also can prevent and treat Monochoria korsakowii, sesbania, Chinese celery, Monochoria vaginalis, Chinese honey locust, and also suitable period is wideer, and the barnyard grass grass 1-7 leaf phase all can use.But it is narrow that dichloro quinolinic acid kills the grass spectrum, and residual quantity is bigger in the soil, and the back stubble is easily produced poisoning, therefore, and many and other herbicide mixtures in the use.
Herbicide for paddy field is limit by crop safety at present, it is also limited to kill the grass spectrum, be used alone the agent of weed killer herbicide list and can not control the generation of paddy field weed completely effectively, moreover some weed killer herbicide is because water-soluble big or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all causes easily this season crop or succession crop of dispenser.
Summary of the invention:
The purpose of this invention is to provide a kind of mixed herbicide that contains bentazone, cyhalofop-butyl and dichloro quinolinic acid.
Another object of the present invention provides this herbicide applications.
A kind of mixed herbicide that contains bentazone, cyhalofop-butyl and dichloro quinolinic acid, it is characterized in that this weed killer herbicide is main active ingredient with bentazone, cyhalofop-butyl and dichloro quinolinic acid, the mass ratio of bentazone, cyhalofop-butyl and dichloro quinolinic acid is 0.1～80: 0.1～80: 0.1～80, and the mass ratio of preferred bentazone, cyhalofop-butyl and dichloro quinolinic acid is 1～60: 1～40: 1～50.
In mixed herbicide, bentazone, cyhalofop-butyl and the dichloro quinolinic acid three gross mass percentage composition in weed killer herbicide is 1～85%, and preferred gross mass percentage composition is 20～75%.
In the ternary built preparation of bentazone of the present invention, cyhalofop-butyl and dichloro quinolinic acid, except active ingredients such as bentazone, cyhalofop-butyl and dichloro quinolinic acid, 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, do outstanding agent, water dispersion granule or wetting powder etc.
Mixed herbicide of the present invention can be used in the paddy field postemergence weed control, particularly uses in various grass family and the broad leaved weed to have remarkable result in preventing and kill off paddy field.
Herbicidal composition of the present invention has the following advantages:
1, activity of weeding height.Herbicidal composition of the present invention can kill weeds by three kinds of different mechanism, makes weeds resistance generation speed reduce, and greatly improves the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Three kinds of weed killer herbicides to kill the grass spectrum different, the three is combined herbicidal spectrum and the activity of various medicaments with the be mixed medicament that makes of proper proportion, make that the herbicidal spectrum of mix preparation is wideer, the lasting period is longer.
3, delay the weeds resistance.The present invention can significantly improve the preventive effect to various resistant weeds, delays the drug-fast generation of weeds, has prolonged the service life of medicament.
4, safe.Herbicidal composition of the present invention is applied to the paddy field postemergence weed control, and it can prevent and kill off various grass family and broad leaved weed in the paddy field, under the prerequisite that has improved drug effect, paddy rice and succession crop is all had safety.
Specific embodiments
Embodiment 1
Bentazone 30%, cyhalofop-butyl 2%, dichloro quinolinic acid 8%, 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 15%, cyhalofop-butyl 2%, dichloro quinolinic acid 8%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 25% the outstanding agent of doing.
Embodiment 3
Bentazone 60%, cyhalofop-butyl 5%, dichloro quinolinic acid 10%, 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 45%, cyhalofop-butyl 5%, dichloro quinolinic acid 20%, 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%, cyhalofop-butyl 1%, dichloro quinolinic acid 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%, cyhalofop-butyl 10%, dichloro quinolinic acid 14%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 25% the outstanding agent of doing.
Embodiment 7
Bentazone 60%, cyhalofop-butyl 14%, dichloro quinolinic acid 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%, cyhalofop-butyl 40%, dichloro quinolinic acid 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
Cyhalofop-butyl 15%, bentazone 10%, dichloro quinolinic acid 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), indoor active determination test
Utilize the preparation of embodiment 1～4, measure it to the co-toxicity coefficient of paddy field common weed Monochoria vaginalis and barnyard grass grass.
Test method: the seed of quantitative Monochoria vaginalis, barnyard grass grass is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat weeds 3～6 leaves during the phase, do the composition spray processing of spraying in crawler type.Handle in the greenhouse, back and continue to cultivate, each handles preventive effect to weeds routine observation, and each weeds fresh weight after handling of weighing behind the 30d is pressed the method for 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 as shown in Table 1 and Table 2.
The indoor determination of activity result of table 1 bentazone and dichloro quinolinic acid
The indoor determination of activity result of table 2 cyhalofop-butyl and dichloro quinolinic acid
The above results proves absolutely, bentazone, cyhalofop-butyl and dichloro quinolinic acid three complex preparation all have significant synergy preventing and kill off on Monochoria vaginalis and the barnyard grass grass.
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), 100g/l cyhalofop-butyl missible oil (Japanese Ishihara Sangyo Kaisha, Ltd.), 25% Dichloroquinolinic acid suspending agent (commercially available).
For studying thing: paddy rice
The paddy rice seedling was 3～6 leaf phases, grew fine, and robust plant does not have other damage by disease and insect.
Prevent and kill off object:
Paddy field advantage weeds are as grassy weed: barnyard grass grass, a thousand pieces of gold, broad leaved weed: Monochoria vaginalis, alternanthera philoxeroides, arrowhead etc.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after converting the water dilution, utilize knapsack sprayer, and carrying out even spraying, shower nozzle is selected the Fan spray head of weed killer herbicide special use for use.During spraying, note soup is evenly sprayed application in the experimental plot, accomplish not leak the phenomenon of spray, many sprays.
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 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 3 (20d behind the medicine) and table 4 (40d behind the medicine).
20 days drug effect results after table 3 dispenser
| Handle medicament | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Total preventive effect (%) |
| Embodiment 1 | 20 | 95 | 94 | 94 |
| Embodiment 2 | 20 | 97 | 92 | 91 |
| Embodiment 3 | 20 | 95 | 90 | 94 |
| Embodiment 4 | 20 | 96 | 91 | 93 |
| The 100g/l cyhalofop-butyl missible oil | 10 | 85 | - | 47 |
| 25% bentazone aqua | 80 | - | 89 | 50 |
| 25% Dichloroquinolinic acid suspending agent | 20 | 50 | 60 | 55 |
40 days drug effect results after table 4 dispenser
| Handle medicament | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Total preventive effect (%) |
| Embodiment 1 | 20 | 90 | 92 | 90 |
| Embodiment 2 | 20 | 93 | 90 | 91 |
| Embodiment 3 | 20 | 93 | 90 | 90 |
| Embodiment 4 | 20 | 91 | 88 | 91 |
| The 100g/l cyhalofop-butyl missible oil | 10 | 75 | - | 33 |
| 25% bentazone aqua | 80 | - | 72 | 38 |
| 25% Dichloroquinolinic acid suspending agent | 20 | 37 | 49 | 45 |
Consumption in table 3 and the table 4 all refers to the consumption of active ingredient in each preparation.As can be seen, the present invention has significant preventive effect to grassy weed and broad leaved weed from table 3 and table 4, and synergy is remarkable, and the lasting period is long.
Table 5 medicament is to the security survey result of crop
Each is handled, and the rice is doing well in the residential quarter, do not see any medicine spot, illustrates that various medicaments are to the equal safety of paddy rice.
Claims (12)
1. mixed herbicide that contains bentazone, cyhalofop-butyl and dichloro quinolinic acid, it is characterized in that this weed killer herbicide is main active ingredient with bentazone, cyhalofop-butyl and dichloro quinolinic acid, and prepare by the following method: bentazone 30%, cyhalofop-butyl 2%, dichloro quinolinic acid 8%, 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.
2. mixed herbicide that contains bentazone, cyhalofop-butyl and dichloro quinolinic acid, it is characterized in that this weed killer herbicide is main active ingredient with bentazone, cyhalofop-butyl and dichloro quinolinic acid, and prepare by the following method: bentazone 15%, cyhalofop-butyl 2%, dichloro quinolinic acid 8%, NNO 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 25% the outstanding agent of doing.
3. mixed herbicide that contains bentazone, cyhalofop-butyl and dichloro quinolinic acid, it is characterized in that this weed killer herbicide is main active ingredient with bentazone, cyhalofop-butyl and dichloro quinolinic acid, and prepare by the following method: bentazone 60%, cyhalofop-butyl 5%, dichloro quinolinic acid 10%, 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.
4. mixed herbicide that contains bentazone, cyhalofop-butyl and dichloro quinolinic acid, it is characterized in that this weed killer herbicide is main active ingredient with bentazone, cyhalofop-butyl and dichloro quinolinic acid, and prepare by the following method: bentazone 45%, cyhalofop-butyl 5%, dichloro quinolinic acid 20%, NNO 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.
5. the application of the described mixed herbicide of claim 1 in the paddy field postemergence weed control.
6. the application of the described mixed herbicide of claim 2 in the paddy field postemergence weed control.
7. the application of the described mixed herbicide of claim 3 in the paddy field postemergence weed control.
8. the application of the described mixed herbicide of claim 4 in the paddy field postemergence weed control.
9. the described mixed herbicide of claim 1 application in various grass family and the broad leaved weed in preventing and kill off paddy field.
10. the described mixed herbicide of claim 2 application in various grass family and the broad leaved weed in preventing and kill off paddy field.
11. the described mixed herbicide of claim 3 is the application in various grass family and the broad leaved weed in preventing and kill off paddy field.
12. the described mixed herbicide of claim 4 is the application in various grass family and the broad leaved weed in preventing and kill off paddy field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010193083 CN102265857B (en) | 2010-06-03 | 2010-06-03 | Mixed herbicide containing bentazone, cyhalofop-butyl and quinclorac, and application thereof |
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| CN 201010193083 CN102265857B (en) | 2010-06-03 | 2010-06-03 | Mixed herbicide containing bentazone, cyhalofop-butyl and quinclorac, and application thereof |
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| CN102265857B true CN102265857B (en) | 2013-09-18 |
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| CN105766920A (en) * | 2016-03-31 | 2016-07-20 | 创新美兰（合肥）股份有限公司 | Quinclorac, cyhalofop-butyl and pyribenzoxim compounded dispersible oil suspension agent and preparation method thereof |
| CN105660663B (en) * | 2016-04-21 | 2018-02-23 | 肖锴 | A kind of lawn herbicide for having concurrently before bud and being acted on after bud and its application method |
| CN106106459A (en) * | 2016-06-21 | 2016-11-16 | 创新美兰（合肥）股份有限公司 | A kind of KIH 6127, dichloro quinolinic acid and cyhalofop-butyl compound suspending agent and preparation method thereof |
| CN105941412A (en) * | 2016-06-21 | 2016-09-21 | 创新美兰（合肥）股份有限公司 | Cyhalofop-butyl, quinclorac and bispyribac-sodium compound suspending agent and preparation method thereof |
| CN106719718A (en) * | 2017-01-06 | 2017-05-31 | 安徽省农业科学院植物保护与农产品质量安全研究所 | A kind of Herbicidal combinations containing dichloroquinoline humulone |
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| DE3108873A1 (en) * | 1981-03-09 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | DICHLORCHINOLIN DERIVATIVES, THEIR PRODUCTION, THEIR USE AS HERBICIDES AND AGENTS THEREFOR |
| CN101213963A (en) * | 2008-01-11 | 2008-07-09 | 张长平 | Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass |
| CN101595881A (en) * | 2009-07-10 | 2009-12-09 | 赵邦斌 | The bentazone cyhalofop-butyl missible oil |
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