CN103039482A - Mixed herbicide containing cinosulfuron and propanil and application thereof - Google Patents
Mixed herbicide containing cinosulfuron and propanil and application thereof Download PDFInfo
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- CN103039482A CN103039482A CN2011103157523A CN201110315752A CN103039482A CN 103039482 A CN103039482 A CN 103039482A CN 2011103157523 A CN2011103157523 A CN 2011103157523A CN 201110315752 A CN201110315752 A CN 201110315752A CN 103039482 A CN103039482 A CN 103039482A
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Abstract
The invention belongs to the technical field of agricultural chemicals and discloses a mixed herbicide containing cinosulfuron and propanil and an application thereof. The herbicide takes the cinosulfuron and the propanil as main active ingredients, the mass ratio of the cinosulfuron to the propanil is (0.1-80):(0.1-80), and the content in percentage by weight of the cinosulfuron and the propanil in the mixed herbicide is 1-85%. The mixed herbicide disclosed by the invention has significant effects in applications in post-emergence weeding of rice paddy fields, in particular to the applications in control of various grass family, sedge family and broadleaf weeds in the rice paddy fields. Compared with a single agent, the herbicide disclosed by the invention can delay weed resistance and realize the advantages of broad weed control spectrum, long lasting period and safety against rice and afterreap crops on the premise of improving efficacy.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of weed killer herbicide, be specifically related to mixed herbicide and the application thereof of a kind of cinosulfuron-containing and Stam F-34.
Background technology
China is in the world rice cropping country with the longest history, and paddy rice is one of China's staple food crop, and approximately 3,300 ten thousand hectares of cultivated areas account for 29% of plant of grain crops area.The most northern limit of China's paddy growth is the Huma, Heilongjiang Province of China.But main growth district is south, Taiwan, and the north is also rice cultivation of area along the river.That is to say, almost there is rice growth in most place.
Not weeding of field it is reported that annual national paddy rice all is subject to crop smothering in various degree, if can make the paddy rice underproduction more than 50%.Weeds have the paddy field main harm: barnyard grass, moleplant seed, reed, firefly Lin, Herba Cyperi Glomerati, difformed galingale herb, cyperus iria, miliary fimbristylis herb, pondweed, Eclipta prostrata, wild arrowhead, Monochoria vaginalis etc.The economic loss that causes in order to reduce crop smothering reduces labor intensity, and also because chemical weed control is convenient, quick-acting, the control time is long, chemical weed control is accepted by people gradually simultaneously.
In recent years, along with increasing and the extensive popularization of chemical control technology in agricultural production of weed killer herbicide kind, chemical weed control has been widely used in each period of paddy growth.Because the different regions climate characteristic is different from planting habit, sowing and the time of cultivating of paddy rice there are differences, but basic chemical weed control mode is identical, and what need consideration mainly is the factors such as temperature, soil property, rice varieties and farming custom.The choose reasonable weed killer herbicide not only can reduce friend peasant labour intensity, shorten working time, cultivate cost but also can reduce, reach the purpose of volume increase.
Cinosulfuron (Cinosulfuron) has another name called the first cinosulfuron, a kind of sulfonylurea herbicide, formal name used at school 1-(4,6-dimethoxy-1,3,5-triazines-2-yl)-3-[2-(2-methoxy ethoxy) phenyl sulphonyl] urea, its structural formula is as follows:
Cinosulfuron mainly absorbs by root and stem and is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (such as serine, isoleucine).Weeds can be not dead immediately after the medication, but stop growing, and plant begins yellow after 5-10 days, withered death.In the paddy rice body, active ingredient can be by urea bridge fracture, after methoxyl group hydrolysis, deamination and the phenyl ring hydrolysis and the sucrose yoke approach such as close, be metabolized at last non-poisonous material, the half life period was 3 days in the paddy rice leaf, so to rice safety less than 1 day half life period in rice root.But because its water-soluble large (3.7g/L water) in the water leaking paddy field, causes poisoning thereby may focus on the rice root district with water to paddy rice.Broadcast annual broadleaf weed and the sedge weeds such as rice field control rhizoma alismatis, nutgrass flatsedge, apple, pondweed, arrowhead, Monochoria vaginalis for dry sowing, water, invalid to barnyard grass and moleplant seed etc.
Stam F-34 (propanil) is the weed killer herbicide by Rohm and Haas Company's exploitation, chemical name: N-3,4-dichlorophenyl propanamide.Its structural formula is as follows:
Stam F-34 is a kind of contact killing type herbicide after seedling with high selectivity, and Stam F-34 disperses to lose efficacy after meeting soil, only should make cauline leaf and process.Be used for preventing and kill off rice seedling bed, live Tanaka's broad leaved weed and grassy weed such as barnyard grass, water starwort, Monochoria vaginalis and dryland paddy lady's-grass, green foxtail, wild amaranth etc.Be hydrolyzed into 3,4-DCA and propionic acid by the aryl carboxyamidase and detoxify in the paddy rice body, barnyard grass is owing to lacking this kind detoxifcation function, and cell membrane is destroyed at first, causes the water metabolism imbalance, and very fast dehydration is withered.The most responsive with 2 leaf phase barnyard grasses.
Herbicide for paddy field is limit by crop safety at present, the herbicide spectrum is also limited, be used alone the weed killer herbicide single dose and can not control completely effectively the generation of paddy field weed, moreover some weed killer herbicide is because water-soluble large or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all easily causes this season crop or succession crop of dispenser.Therefore, but selection herbicide spectrum of the present invention is different, being made into mixture after two kinds of suitable decrements of weed killer herbicide of the cinosulfuron of pluses and minuses complementation and Stam F-34 uses, so both enlarged the herbicide spectrum, obviously improved herbicidal effect, also avoided this season is done the deposits yields poisoning and succession crop produced the possibility of residual hazard.
Summary of the invention
The mixed herbicide that the purpose of this invention is to provide a kind of cinosulfuron-containing and Stam F-34.
Another object of the present invention provides the application of this mixed herbicide in the paddy field postemergence weed control.
Purpose of the present invention can be achieved through the following technical solutions:
The mixed herbicide of a kind of cinosulfuron-containing and Stam F-34, this mixed herbicide is take cinosulfuron and Stam F-34 as main active ingredient, and the mass ratio of cinosulfuron and Stam F-34 is 0.1～80: 0.1～80.The mass ratio of preferred cinosulfuron and Stam F-34 is 1～70: 1～60.The mass ratio of cinosulfuron and Stam F-34 more preferably 1～40: 1～40.
In above-mentioned mixed herbicide, the two quality percentage composition in this mixed herbicide of cinosulfuron and Stam F-34 is 1～85%, and the preferred mass percentage composition is 15～80%.
In the binary built preparation of cinosulfuron of the present invention and Stam F-34, except the active ingredients such as cinosulfuron and Stam F-34, 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 oil-suspending agent, missible oil, water dispersible granules, 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, sedge family and the broad leaved weed to have remarkable result in preventing and kill off paddy field.
Beneficial effect of the present invention:
1, activity of weeding is high.Cinosulfuron mainly absorbs by root and stem and is sent to meristematic tissue by conducting tissue, suppresses the biosynthesis of branched-chain amino acid (such as serine, isoleucine).Stam F-34 is a kind of contact killing type seedling post-treatment agent with high selectivity.That is to say, herbicidal composition of the present invention can kill weeds by two kinds of different approaches, can greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Cinosulfuron is mainly effective to broad leaved weed and sedge weed, and can only spread pesticide-clay mixture or spraying; And Stam F-34 is effective to broad-leaved and grassy weed, and can only make cauline leaf and process.So weed killer herbicide of the present invention has the double action in leaf surface treatment and feud, prolonged the lasting period of medicament.
3, delay Weed Resistance.Because weeds easily produce resistance to sulfonylurea herbicide, and contain the sulphur humulone of phenoxy carboxylic acid in the weed killer herbicide of the present invention, make medicament can effectively prevent weeds except anti-sulfonylurea, in addition, reduce resistance weed, prolonged the service life of medicament.
4, safe.Herbicidal composition of the present invention is applied to agent for removing grass in paddy field, and it can prevent and kill off various grass family, sedge 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.
Therefore, mixed herbicide of the present invention can be used in agent for removing grass in paddy field, particularly uses in various grass family, sedge family and the broad leaved weed in preventing and kill off paddy field.
Embodiment
Embodiment 1
Cinosulfuron 1%, Stam F-34 14%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy third rare block compound 5%, thickener 2% adds vegetable oil to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 15% oil-suspending agent.
Embodiment 2
Cinosulfuron 2%, Stam F-34 23%, ethylene glycol 5%, cyclohexanone 8%, polyoxyethylene groups alkyl ether 5% adds vegetable oil to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 25% missible oil.
Embodiment 3
Cinosulfuron 5%, Stam F-34 70%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 75% water dispersible granules.
Embodiment 4
Cinosulfuron 3%, Stam F-34 47%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 5%, white carbon 9% adds kaolin and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 50% wetting powder.
Embodiment 5
Cinosulfuron 60%, Stam F-34 20%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, sodium lignin sulfonate 4%, white carbon 7% adds kaolin and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80% wetting powder.
Embodiment 6
Cinosulfuron 24%, Stam F-34 1%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, alkylphenol polyoxyethylene 5% adds sodium lignin sulfonate to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 25% the outstanding agent of doing.
Embodiment 7
Cinosulfuron 5%, Stam F-34 30%, alkylphenol polyoxyethylene 5%, polyoxyethylene polyoxy third rare block compound 6%, thickener 2% adds vegetable oil to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 35% oil-suspending agent.
Embodiment 8
Cinosulfuron 1%, Stam F-34 60%, ethylene glycol 5%, cyclohexanone 8%, polyoxyethylene groups alkyl ether 5%, vegetable oil to 100%, the quality percentage composition that is mixed with active ingredient according to the formulation method of routine are 61% missible oil.
Embodiment 9
Cinosulfuron 1%, Stam F-34 40%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 41% water dispersible granules.
Embodiment 10
Cinosulfuron 40%, Stam F-34 1%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 41% water dispersible granules.
Embodiment 11
Cinosulfuron 40%, Stam F-34 40%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5% adds diatomite and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80% water dispersible granules.
Embodiment 12
Cinosulfuron 0.1%, Stam F-34 80%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, sodium lignin sulfonate 4%, white carbon 6% adds kaolin and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80.1% wetting powder.
Embodiment 13
Cinosulfuron 80%, Stam F-34 0.1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, sodium lignin sulfonate 4%, white carbon 6% adds kaolin and supplies 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 80.1% wetting powder.
Embodiment 14
Cinosulfuron 70%, Stam F-34 1%, NNO (sodium methylene bis-naphthalene sulfonate) 9%, alkylphenol polyoxyethylene 5% adds sodium lignin sulfonate to 100%, and the quality percentage composition that is mixed with active ingredient according to the formulation method of routine is 71% the outstanding agent of doing.
Embodiment 15
1, toxicity determination test
Utilize the preparation among the embodiment 1,2,3,4, measure it to the co-toxicity coefficient of paddy 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
As can be seen from the above table, the co-toxicity coefficient after two kinds of active principles are composite illustrates that all greater than 100 the present invention has obvious synergistic effect.
2, field control effectiveness test
4 kinds of re-compounded binary herbicides among reagent agent: the embodiment 1,2,3,4.
Contrast medicament: 20% cinosulfuron water dispersible granules (commercially available), 36% Stam F-34 missible oil (commercially available).
For studying thing: paddy rice, rice seedlings were 3～5 leaf phases, grew fine, and robust plant is without other damage by disease and insect.
Prevent and kill off object: the paddy field advantage weeds such as rhizoma alismatis, nutgrass flatsedge, apple, pondweed, arrowhead, lady's-grass, green foxtail, barnyard grass, eleusine indica, Monochoria vaginalis.
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 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)
Table 2 field control effectiveness test result (20d behind the medicine)
Table 3 field control effectiveness test result (40d behind the medicine)
Can find out from table 2 and table 3, the present invention has significant preventive effect to grassy weed, sedge family 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 is processed, and the rice is doing well in the residential quarter, has no any medicine spot, illustrates that various medicaments are to the equal safety of paddy rice.
Claims (9)
1. the mixed herbicide of a cinosulfuron-containing and Stam F-34 is characterized in that this mixed herbicide take cinosulfuron and Stam F-34 as main active ingredient, and the mass ratio of cinosulfuron and Stam F-34 is 0.1～80: 0.1～80.
2. mixed herbicide according to claim 1 is characterized in that the mass ratio of cinosulfuron and Stam F-34 is 1～70: 1～60 in this mixed herbicide.
3. mixed herbicide according to claim 2 is characterized in that the mass ratio of cinosulfuron and Stam F-34 is 1～40: 1～40 in this mixed herbicide.
4. mixed herbicide according to claim 1 is characterized in that the two quality percentage composition in this mixed herbicide of cinosulfuron and Stam F-34 is 1～85%.
5. mixed herbicide according to claim 4 is characterized in that the two quality percentage composition in this mixed herbicide of cinosulfuron and Stam F-34 is 15～80%.
6. mixed herbicide according to claim 1 is characterized in that the auxiliary agent that allows on this mixed herbicide is take cinosulfuron and Stam F-34 as main active ingredient and pesticidal preparations is mixed with any one formulation.
7. mixed herbicide according to claim 6 is characterized in that described formulation is oil-suspending agent, does and hang agent, missible oil, water dispersible granules or wetting powder.
8. the application of mixed herbicide claimed in claim 1 in the paddy field postemergence weed control.
9. mixed herbicide claimed in claim 1 application in various grass family, sedge family and the broad leaved weed in preventing and kill off paddy field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103157523A CN103039482A (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and propanil and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103157523A CN103039482A (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and propanil and application thereof |
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| CN103039482A true CN103039482A (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103157523A Pending CN103039482A (en) | 2011-10-17 | 2011-10-17 | Mixed herbicide containing cinosulfuron and propanil and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934721A (en) * | 2018-08-21 | 2018-12-07 | 中国林业科学研究院亚热带林业研究所 | A kind of Young Growth of Chinese Fir chemical weed control method |
| CN111139255A (en) * | 2018-11-06 | 2020-05-12 | 南京农业大学 | Propanil amidase gene pamD and coding protein and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044809B1 (en) * | 1980-07-17 | 1983-08-31 | Ciba-Geigy Ag | N-(2-substituted phenylsulfonyl)-n'-triazinyl ureas |
| CN1387402A (en) * | 1999-08-26 | 2002-12-25 | 阿格福姆有限公司 | Water-dispersible agrochemical compositions |
| CN1994087A (en) * | 1998-07-16 | 2007-07-11 | 阿温提斯作物科学有限公司 | Herbicidal compositions with substituted phenylsulfonylureas for controlling weeds in rice |
| US20100248965A1 (en) * | 2007-10-24 | 2010-09-30 | Bayer Cropscience Ag | Herbicidal combination |
-
2011
- 2011-10-17 CN CN2011103157523A patent/CN103039482A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044809B1 (en) * | 1980-07-17 | 1983-08-31 | Ciba-Geigy Ag | N-(2-substituted phenylsulfonyl)-n'-triazinyl ureas |
| CN1994087A (en) * | 1998-07-16 | 2007-07-11 | 阿温提斯作物科学有限公司 | Herbicidal compositions with substituted phenylsulfonylureas for controlling weeds in rice |
| CN1387402A (en) * | 1999-08-26 | 2002-12-25 | 阿格福姆有限公司 | Water-dispersible agrochemical compositions |
| US20100248965A1 (en) * | 2007-10-24 | 2010-09-30 | Bayer Cropscience Ag | Herbicidal combination |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934721A (en) * | 2018-08-21 | 2018-12-07 | 中国林业科学研究院亚热带林业研究所 | A kind of Young Growth of Chinese Fir chemical weed control method |
| CN111139255A (en) * | 2018-11-06 | 2020-05-12 | 南京农业大学 | Propanil amidase gene pamD and coding protein and application thereof |
| CN111139255B (en) * | 2018-11-06 | 2022-07-01 | 南京农业大学 | Propanil amidase gene pamD and coding protein and application thereof |
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Application publication date: 20130417 |