CN101156577A - a herbicidal composition with broad spectrum weeding function - Google Patents
a herbicidal composition with broad spectrum weeding function Download PDFInfo
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- CN101156577A CN101156577A CNA2007101353180A CN200710135318A CN101156577A CN 101156577 A CN101156577 A CN 101156577A CN A2007101353180 A CNA2007101353180 A CN A2007101353180A CN 200710135318 A CN200710135318 A CN 200710135318A CN 101156577 A CN101156577 A CN 101156577A
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- cyhalofop
- broad spectrum
- herbicide
- butyl
- spectrum weeding
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Abstract
The invention discloses a herbicide compound with broad-spectrum weeding function. The herbicide compound is different from other prior agricultural chemical herbicide. The effective component of the compound herbicide consists of ester Cyhalofop-grass and double grass ether, and uses milk oil as the product agent. The compound herbicide has the material weight percentage that the ester Cyhalofop-grass is 5-25 percent, the double grass ether is 3-25 percent, the emulsifying agent is 5-15 percent, and the solvent is 35-87 percent. The invention is a herbicide agricultural chemical compound which can perform high-effective and broad-spectrum weeding capability, is mainly used to prevent and remove various ruderal in the rice direct seeding filed, and has no blight on the crops. The herbicide compound with the broad-spectrum weeding function is applicable for preventing and removing various ruderal in the rice direct seeding filed.
Description
Technical field
The present invention is a kind of herbicidal composition with broad spectrum weeding function, shows herbicidal performance efficient, wide spectrum, is mainly used in all kinds of weed controls of rice direct-seeding Tanaka and uses, and crop is had no adverse effects.This herbicidal composition is different from existing other pesticide herbicides.
Background technology
Paddy rice is the main food kind plant of China, and national for many years rice growing area is stabilized in about 4.5 hundred million mu always.Along with the continuous popularization and the application of paddy rice light cultivation technology, the direct seading rice development is particularly swift and violent.Because the huge advantage that it has saving of labor's abridged edition, liberation rural productivity progressively becomes a kind of tool rice cropping mode with broad prospects for development in China main paddy rice producing region at present.Because the planting type and the characteristics in direct seading rice field, the crop smothering generation problem in direct seading rice field is very outstanding.
Direct seading rice field weed kind is sociales with grassy weeds such as moleplant seed, barnyard grass grass, how and early goes out grass, to the rice hazard maximum, secondly is broad leaved weeds such as Monochoria vaginalis, pondweed, is sedge weed once more.Compare with ploughing transplanting rice field,, make weeds generation total amount height because direct sowing rice field weeds and paddy rice synchronous growth, especially moleplant seed, barnyard grass grass generating capacity are big.At direct seading rice field weed occurrence characteristic, weed control is at present still prevented and kill off based on chemical agent, takes to close down before the bud to handle and cauline leaf is tagged to handle and combined, and prevents and kill off in conjunction with cultivation simultaneously, takes place and endangers thereby effectively control it.In chemical agent was prevented and kill off, the main at present pesticide species that uses had: the careless star wetting powder of smart gram, 10% bensulfuron-methyl, 20% methoxone aqua and 25% Bentazon missible oil etc.These products are because service life is longer, and the weeds drug resistance is greatly increased.
Cyhalofop-butyl is a kind of efficient, low toxicity diphenyl ether herbicide, paddy field selective herbicide.This kind is prevented and kill off in the process and can only be handled as cauline leaf at the direct seading rice field weed, and the bud pre-treatment is invalid.Be mainly used in and prevent and kill off barnyard grass grass, grassy weeds such as moleplant seed.Preventive effect for gold obviously is better than all herbicide for paddy field kinds at present.
Super-high-efficient, low toxicity, broad-spectrum herbicide that two careless ethers are a kind of rice direct seeding fields, preventing weeding weeds effect is good, also shows effect of increasing production preferably.Be mainly used in direct seading rice seedling rear defence and remove annual and perennial grassy weed and broad leaved weed, the barnyard grass grass is had special efficacy, and (the barnyard grass grass to the 1-7 leaf phase is all effective, the 3-6 leaf phase prevents knowingly following the example of a wrongdoer good), weeds such as car forearm shape grass, barnyard grass grass, junglerice, Aleppo grass, difformed galingale herb, cyperus iria, firefly Lin, purple water amaranth, bacopa monnieri, Commelina communis, Li Micao, big lady's-grass, Sagittaria pygmaea also there is excellent activity.But close down poor processing effect before the bud.
Summary of the invention
The objective of the invention is to lack and have the multiple weak point that weed killer herbicide exists now at present wide spectrum, highy potent herbicide, providing a kind of is formulation with missible oil, has herbicidal composition efficient, broad spectrum weeding function simultaneously.
The object of the present invention is achieved like this, a kind of herbicidal composition with broad spectrum weeding function, it is characterized in that the composition weed killer herbicide is made up of active ingredient cyhalofop-butyl and two careless ethers, with missible oil is product forms, herbicidal composition prepares raw material weight percentage and is respectively cyhalofop-butyl 5～25%, two careless ethers 3～25%, emulsifier 5～15%, solvent 35～87%.
Described herbicidal composition is made missible oil.The emulsion of weed killer herbicide is respectively cyhalofop-butyl 5～25%, two careless ether 3～25%, emulsifier 5～15%, solvent 35～87% by percentage by weight and forms.Solvent in the additive adopts a kind of or mixture in dimethylbenzene, toluene, methyl alcohol, cyclohexanone, dimethyl formamide, the isophorone.Emulsifier in the additive adopts a kind of or mixture in WJD-100, farming breast 500, NP-10, OP-10, the Tween 80.
The present invention adopts cyhalofop-butyl composite with two careless ethers, have efficient, broad spectrum weeding function, enlarged the weeding scope simultaneously, effective to multiple prevention and control of weeds such as Paspalum distichums around direct seading rice field barnyard grass grass, moleplant seed, nutgrass flatsedge, convexutricle sedge herb, wild water chestnut, short arrowhead, water peanut and four ridge, surpass the use of cyhalofop-butyl and two two single agent kinds of careless ether.
Having herbicidal composition efficient, broad spectrum weeding function takes following scheme to realize: the composition weed killer herbicide is made up of two kinds of active ingredient cyhalofop-butyls and two careless ether, add emulsifier and solvent and can be made into missible oil, the composition weed killer herbicide prepares each accounting example of raw materials by weight and is: cyhalofop-butyl 5～25%, two careless ether 3～25%, emulsifier 5～15%, solvent 35～87%.
The solvent of product missible oil adopts a kind of or mixture in dimethylbenzene, toluene, methyl alcohol, cyclohexanone, dimethyl formamide, the isophorone, and emulsifier adopts a kind of or mixture in WJD-100, farming breast 500, NP-10, OP-10, the Tween 80.
Have herbicidal composition preparation technology method efficient, broad spectrum weeding function: composition is by said ratio weighing cyhalofop-butyl and two careless ether, according to the product form that will make is the missible oil formulation, and adopt the emulsifier and the solvent of proprietary prescription, after in the enamel stirred tank, fully mixing, add the emulsifier in the additive, stirred once more 30 minutes, through being up to the standards, promptly obtain the big packing of finished product, finished product meets or is higher than the every mandatory index request of country to the missible oil product.
Herbicidal composition with efficient, broad spectrum weeding function is used in the multiple crop smothering such as Paspalum distichum around preventing and kill off direct seading rice field barnyard grass grass, moleplant seed, nutgrass flatsedge, convexutricle sedge herb, wild water chestnut, short arrowhead, water peanut and four ridge, to crop safety, cost is low, preventive effect good.Prove that after tested herbicidal composition chemical property of the present invention is stable, high-efficiency broad spectrum reveals tangible broad-spectrum weed-killing and complementation to preventing and kill off Object table.
The advantage of composite weedicide: cyhalofop-butyl and these two kinds of combination of active principles of two careless ether are used, and have enlarged weeding scope and herbicidal effect.Through test determination: cyhalofop-butyl is used to prevent and kill off the barnyard grass grass, and grassy weeds such as moleplant seed obviously are better than all herbicide for paddy field kinds at present to the preventive effect of moleplant seed.Though and two careless ether is a kind of broad-spectrum herbicide, the annual and perennial grassy weed of direct seading rice Tian Miaohou and broad leaved weed prevented and kill off all have good effect, relatively poor to the preventive effect of moleplant seed.Therefore cyhalofop-butyl and two careless ether compositions are the most remarkable to the moleplant seed being the direct seading rice field of main weeds the harm wide spectrum and the synergistic effect that are reached.Secondly use cost reduces, and cyhalofop-butyl and two careless ether list agent use costs are higher at present, and the independent result of use of low dosage is not again fine, so cyhalofop-butyl and two careless ethers are used in combination preventive effect and improve, and has reduced agricultural basis again.
Embodiment
Further narrate the present invention below in conjunction with embodiment.
The two careless ether missible oil of embodiment 1 15% cyhalofop-butyl
Cyhalofop-butyl 10%
Two careless ethers 5%
Farming breast 500 (emulsifier) 10%
Dimethylbenzene (solvent) 75%
25 milliliters/mu in the preparation that is made into according to the above ratio, 37.5 milliliters/mu, 50 milliliters of/mu preventive effects to paddy rice barnyard grass grass, moleplant seed, nutgrass flatsedge are better than single usefulness more than 90%.
The two careless ether missible oil of table 115% cyhalofop-butyl are prevented and kill off direct seading rice field moleplant seed, barnyard grass grass and the 20th day density preventive effect of nutgrass flatsedge
(Wuhan, Hubei)
| Handle numbering | Barnyard grass grass density preventive effect | Moleplant seed density preventive effect | Difformed galingale herb density preventive effect | Integrated control effect | ||||
| Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | |
| 25 milliliters/mu | 94.17 | bA | 91.65 | bB | 93.40 | bA | 93.67 | cC |
| 37.5 milliliter/mu | 99.19 | abA | 98.44 | aAB | 98.94 | aA | 98.89 | abAB |
| 50 milliliters/mu | 100 | aA | 100 | aA | 100 | aA | 100 | aA |
| 10% cyhalofop-butyl EC (60 milliliters/mu) | 97.37 | abA | 97.30 | abAB | 96.43 | abA | 97.34 | bABC |
| 20% couple of careless ether SC (20 milliliters/mu) | 97.76 | abA | 82.66 | abAB | 96.93 | abA | 97.12 | bcBC |
| The clear water contrast | / | cB | / | cC | / | cB | / | dD |
The two careless ether missible oil of table 2 15% cyhalofop-butyl are prevented and kill off direct seading rice field moleplant seed, barnyard grass grass and the 40th day density preventive effect of nutgrass flatsedge
(Wuhan, Hubei)
| Handle | Barnyard grass grass density preventive effect | Moleplant seed density preventive effect | Difformed galingale herb density preventive effect | Integrated control effect | ||||
| Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | |
| 25 milliliters/mu | 96 | bA | 91.20 | bA | 94.66 | bA | 94.39 | bC |
| 37.5 milliliter/mu | 100 | aA | 97.73 | abA | 99.40 | abA | 99.33 | aAB |
| 50 milliliters/mu | 100 | aA | 100 | aA | 100 | aA | 100 | aA |
| 10% cyhalofop-butyl EC (60 milliliters/mu) | 97.47 | abA | 95.74 | abA | 96.86 | abA | 96.69 | bBC |
| 20% couple of careless ether SC (20 milliliters/mu) | 98.53 | abA | 83.98 | abA | 97.96 | abA | 97.50 | bBC |
| The clear water contrast | / | cB | / | cB | / | cB | / | cD |
The two careless ether missible oil of table 3 15% cyhalofop-butyl are prevented and kill off direct seading rice field moleplant seed, barnyard grass grass and the 60th day density preventive effect of nutgrass flatsedge
(Wuhan, Hubei)
| Handle | Barnyard grass grass density preventive effect | Moleplant seed density preventive effect | Difformed galingale herb density preventive effect | Integrated control effect | ||||
| Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | |
| 25 milliliters/mu | 95.08 | bB | 93.15 | aA | 92.18 | bB | 93.82 | cB |
| 37.5 milliliter/mu | 100 | aA | 98.53 | aA | 99.85 | aA | 99.87 | aA |
| 50 milliliters/mu | 100 | aA | 100 | aA | 100 | aA | 100 | aA |
| 10% cyhalofop-butyl EC (60 milliliters/mu) | 96.73 | abAB | 95.15 | aA | 96.67 | bAB | 96.89 | bB |
| 20% couple of careless ether SC (20 milliliters/mu) | 97.21 | aAB | 84.73 | aA | 96.74 | bAB | 97.10 | bB |
| The clear water contrast | / | cC | / | bB | / | cC | / | dC |
The two careless ether missible oil of embodiment 2 12% cyhalofop-butyls
Cyhalofop-butyl 8%
Two careless ethers 4%
Farming breast 500 (emulsifier) 10%
Dimethylbenzene (solvent) 78%
30 milliliters/mu in the preparation that is made into according to the above ratio, 45 milliliters/mu, 60 milliliters of/mu preventive effects to paddy rice barnyard grass grass, moleplant seed, nutgrass flatsedge are also all more than 90%, also are better than cyhalofop-butyl simultaneously and two product lists of two careless ethers are used.
The two careless ether missible oil of table 4 12% cyhalofop-butyl are prevented and kill off rice direct seeding field
Strain in 45 days is anti-after annual weed control efficiency (%)-dispenser
(Nanchang)
| Handle | The barnyard grass grass | Moleplant seed | Difformed galingale herb | Total grass | ||||
| Preventive effect | The significance of difference | Preventive effect | The significance of difference | Preventive effect | The significance of difference | Preventive effect | The significance of difference | |
| 30 milliliters/mu | 95.6 | abA | 94.0 | a | 96.6 | abcAB | 93.4 | abAB |
| 45 milliliters/mu | 96.9 | abA | 94.0 | a | 98.3 | abAB | 95.0 | aA |
| 60 milliliters/mu | 97.5 | aA | 97.0 | a | 100.0 | aA | 96.8 | aA |
| 10% cyhalofop-butyl EC (60 milliliters/mu) | 96.9 | aA | 93.0 | a | 96.6 | abcAB | 95.0 | aA |
| 20% couple of careless ether SC (20 milliliters/mu) | 93.7 | bA | 81.0 | a | 91.5 | bcAB | 89.1 | bB |
| Artificial weeding | 74.9 | cB | 78.9 | a | 88.1 | cB | 67.3 | cC |
The two careless ether missible oil of table 4 12% cyhalofop-butyl are prevented and kill off rice direct seeding field
45 days aquatic foods are anti-after annual weed control efficiency (%)-dispenser
(Nanchang)
| Handle | The barnyard grass grass | Moleplant seed | Difformed galingale herb | Total grass | ||||
| Preventive effect | The significance of difference | Preventive effect | The significance of difference | Preventive effect | The significance of difference | Preventive effect | The significance of difference | |
| 30 milliliters/mu | 93.8 | bA | 91.3 | a | 90.9 | bcAB | 92.2 | bB |
| 45 milliliters/mu | 97.3 | aA | 93.9 | a | 98.6 | abAB | 96.5 | aA |
| 60 milliliters/mu | 97.7 | aA | 97.2 | a | 100.0 | aA | 97.6 | aA |
| 10% cyhalofop-butyl EC (60 milliliters/mu) | 95.8 | abA | 94.3 | a | 96.9 | abcAB | 95.1 | abAB |
| 20% couple of careless ether SC (20 milliliters/mu) | 96.0 | aA | 83.3 | a | 96.9 | abcAB | 96.0 | aA |
| Artificial weeding | 72.7 | cB | 77.8 | b | 88.4 | cB | 73.0 | cC |
Claims (6)
1. herbicidal composition with broad spectrum weeding function, it is characterized in that the composition weed killer herbicide is made up of active ingredient cyhalofop-butyl and two careless ethers, with missible oil is product forms, herbicidal composition prepares raw material weight percentage and is respectively cyhalofop-butyl 5～25%, two careless ethers 3～25%, emulsifier 5～15%, solvent 35～87%.
2. according to the described a kind of herbicidal composition of claim 1, it is characterized in that the herbicidal composition with synergistic effect makes missible oil with broad spectrum weeding function.
3. according to claim 1 or 2 described a kind of herbicidal compositions with broad spectrum weeding function, the emulsion that it is characterized in that weed killer herbicide is respectively cyhalofop-butyl 5～25%, two careless ether 3～25%, emulsifier 5～15%, solvent 35～87% by percentage by weight and forms.
4. according to claim 1 or 2 or 3 described a kind of herbicidal compositions, it is characterized in that solvent in the additive adopts a kind of or mixture in dimethylbenzene, toluene, methyl alcohol, cyclohexanone, dimethyl formamide, the isophorone with broad spectrum weeding function.
5. according to claim 1 or 2 or 3 described a kind of herbicidal compositions, it is characterized in that a kind of or mixture in the emulsifier employing WJD-100 in the additive, agricultural breast 500, NP-10,0P-10, the Tween 80 with broad spectrum weeding function.
6. a kind of herbicidal composition with broad spectrum weeding function as claimed in claim 1 is characterized in that extensive use in preventing and kill off all kinds of weeds of rice direct seeding field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101353180A CN101156577A (en) | 2007-11-02 | 2007-11-02 | a herbicidal composition with broad spectrum weeding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101353180A CN101156577A (en) | 2007-11-02 | 2007-11-02 | a herbicidal composition with broad spectrum weeding function |
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| Publication Number | Publication Date |
|---|---|
| CN101156577A true CN101156577A (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101353180A Pending CN101156577A (en) | 2007-11-02 | 2007-11-02 | a herbicidal composition with broad spectrum weeding function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102461511A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl |
| CN107333767A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing dichloro quinolinic acid, cyhalofop-butyl and bispyribac-sodium |
| CN107568252A (en) * | 2017-10-11 | 2018-01-12 | 三江县稻香山茶油生态发展有限公司 | A kind of herbicide in tea oil tree seedling seedbed and preparation method thereof |
| CN111084031A (en) * | 2019-12-25 | 2020-05-01 | 宁夏绿先锋农业机械化服务有限公司 | Weed prevention and control method |
-
2007
- 2007-11-02 CN CNA2007101353180A patent/CN101156577A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102461511A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl |
| CN107333767A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing dichloro quinolinic acid, cyhalofop-butyl and bispyribac-sodium |
| CN107568252A (en) * | 2017-10-11 | 2018-01-12 | 三江县稻香山茶油生态发展有限公司 | A kind of herbicide in tea oil tree seedling seedbed and preparation method thereof |
| CN111084031A (en) * | 2019-12-25 | 2020-05-01 | 宁夏绿先锋农业机械化服务有限公司 | Weed prevention and control method |
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