CN101773143A - Compounded weed killer of glyphosate and glufosinate - Google Patents
Compounded weed killer of glyphosate and glufosinate Download PDFInfo
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- CN101773143A CN101773143A CN201010121836A CN201010121836A CN101773143A CN 101773143 A CN101773143 A CN 101773143A CN 201010121836 A CN201010121836 A CN 201010121836A CN 201010121836 A CN201010121836 A CN 201010121836A CN 101773143 A CN101773143 A CN 101773143A
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- glyphosate
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- killer herbicide
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- careless ammonium
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Abstract
The invention relates to a pesticide composition, in particular to a compounded weed killer of glyphosate and glufosinate, which can be used for preventing and controlling weeds in farmlands, orchards, tea gardens, vegetable fields, uncultivated areas and the like.
Description
Technical field
The present invention relates to a kind of composition pesticide, the complex weedicide of glyphosate and phosphine oxamate specifically, said preparation can be used to prevent and treat weeds such as farmland, orchard, tea place, vegetable plot, uncultivated area.
Background technology
Glyphosate (glyphosate) has another name called glyphosate, farming reaches (Roundup), careless dried phosphine, the sweet acid of phosphine etc., and its chemical name is: N-((phosphonomethyl)) glycine is to develop a kind of organophosphorus herbicide at first by U.S. Monsanto Company in 1971.
Glyphosate is at present most economical in the world interior suction conduction nonselective herbicide, it mainly absorbs by cauline leaf, conduct under ground portion, suppress enol acetonyl shikimene phosphonic acids synzyme in the plant corpus, thereby shikimene transforms to phenyl alanine, tyrosine and tryptophan in the inhibition plant corpus, protein synthesis is interfered, causes weeds death.Glyphosate has broad weed-killing spectrum, hold concurrently to remove the remarkable advantage of annual weed and perennial perennial root weeds, can prevent and kill off the plant of sections more than 40 such as unifacial leaf and dicotyledonous, annual and perennial, draft and shrub.Combine with metal ions such as iron, aluminium and lose activity very soon after glyphosate buries, seed and edaphon hiding in the soil are had no adverse effects.
Because the good characteristic of glyphosate, exploitation of resistance glyphosate genetically modified crops and plantation growth in recent years are rapid, and glyphosate has become the big genetically modified crops herbicide-tolerant of the first in the world kind.But in use for many years, find that glyphosate is unsatisfactory on the perennial malignant weed effect of part, further part natural resistance weeds are found, and the part susceptible weeds also produces to some extent to the resistance of glyphosate in using.
Grass ammonium phosphine (glufosinate-ammonium), chemical name: 4-[hydroxyl (methyl) phosphono]-the DL-high lactamine.This kind in the eighties of last century exploitation eighties, belongs to the phosphonic acid based weed killer herbicide by Hirst company (existing Beyer Co., Ltd), is glutamine synthetase inhibitor, is non-selective (natural disposition of going out) contact killing type weed killer herbicide.In short period after the dispenser of careless ammonium phosphine, disorder is sunk in the ammonium metabolism in the plant corpus, and the cytotoxic agent ammonium ion is accumulated in plant corpus, makes photosynthesis by severe inhibition, thereby reaches the weeding purpose.
It is low, safer that grass ammonium phosphine has toxicity, is easy to degraded in soil, to crop safety, minimum drift, herbicidal spectrum is wide, active high, consumption is few, and environmental pressure is little, kills grass rapidly, can kill grass family and broad leaved weed more than 100 kinds fast, available water is done characteristics such as base is safe and convenient to use, and since obtaining first registration in 1984 and using, it has developed into second-biggest-in-the-world genetically modified crops herbicide-tolerant.We can know to contrast above-mentioned two weed killer herbicide kinds: both all have non-selection, the characteristics of the natural disposition of going out, wide spectrum.And Gyphosate herbicice effect excellence, cost is comparatively cheap but owing to inhale in need carrying out and conduction just can play a role, and is slower on the quick-acting of weeding; Grass ammonium phosphine then belongs to the weed killer herbicide of contact killing type, weeding instant effect but cost is too high.As both are carried out organic combination, the herbicidal effect of root that goes out is conducted in the interior suction that not only can give full play to glyphosate, and can bring into play the characteristics of careless ammonium phosphine instant effect.Extra, utilize both being mixed, can alleviate single greatly with the too high deficiency of careless ammonium phosphine cost.
Summary of the invention
The invention provides a kind of composition that is mixed, it is composite that said composition adopts glyphosate and phosphine oxamate to be that active component is carried out, and can improve the quick-acting of control of weeds on the one hand by both being mixed on the basis that keeps the weeding completeness.On the other hand, make the more careless ammonium phosphine of the cost preparation of mixture herbicide more cheap.
Technical scheme of the present invention is as follows:
Described herbicidal composition is mixed by glyphosate class weed killer herbicide and careless ammonium phosphine class weed killer herbicide.The glyphosate class weed killer herbicide of indication of the present invention comprises one or more mixtures in glyphosate, ammonium glyphosate, glyphosate isopropyl amine salt, glyphosate potassium, sodium glyphosate, the glyphosate dimethylamine salt etc.; Grass ammonium phosphine class weed killer herbicide comprises one or more mixtures in careless ammonium phosphine, careless ammonium phosphine ammonium salt, careless ammonium phosphine isopropyl amine salt, careless ammonium phosphine sylvite, careless ammonium phosphine sodium salt, the careless ammonium phosphine dimethylamine salt etc.
Its active ingredient total content of herbicidal composition of the present invention is between 0.1%～99.9%, and the active ingredient total content is meant total active constituent content of glyphosate class weed killer herbicide and the addition of careless ammonium phosphine class weed killer herbicide in the herbicidal composition.
The compound proportion of glyphosate class weed killer herbicide and careless ammonium phosphine class weed killer herbicide can change arbitrarily between 1: 999～999: 1 in the herbicidal composition of the present invention.Wherein preferred compound proportion is 1: 9～9: 1.
Herbicidal composition of the present invention can be processed into the formulations of pesticide such as aqua, soluble powder, soluble liquid, soluble granula, suspending agent, wetting powder, microemulsion, aqueous emulsion, dispersible tablets, effervescent tablet, seed coating medicine and use.Wherein, be preferably aqua and soluble granula.
Advantage of the present invention is:
1, herbicidal composition of the present invention has improved the control of weeds effect, has enlarged and killed the grass spectrum, and glyphosate class herbicides compounds is outstanding to annual gramineous weed and part broad leaved weed preventive effect, but relatively poor to perennial weed and part broad leaved weed preventive effect; And careless ammonium phosphine just in time Mi mended this defective, it to the tolerance glyphosate part malignant weed effect very good, broad leaved weed is had very high preventive effect.Therefore this complex weedicide combines the two removing activity of glyphosate and careless ammonium phosphine, has not only realized the purpose of synergy.And make the grass spectrum of killing of this combination expand annual gramineous weed, perennial weed and broad leaved weed to
2, the more careless ammonium phosphine of herbicidal composition of the present invention preparation has reduced the usage amount of agricultural chemicals, has reduced use cost, and is easy to utilize.
3, herbicidal composition of the present invention can be mixed with solid pharmaceutical preparation, comprises multiple formulation products such as aqua, soluble liquid, water dispersible granules, solvable granula, dispersible tablets, solvable pulvis, wetting powder.Wherein be preferably aqua and solid pharmaceutical preparation.Aqua product has easy to use, is the solvent safety environmental protection with water, and solid pharmaceutical preparation has that content is higher, and volume is littler, is convenient to the advantage of packing, preserving and transporting.
Embodiment
Industrialization specific embodiments of the present invention is as follows:
Following examples only are used to purpose of the present invention is described, but do not limit the invention to the lower part.By following examples, can easier understanding advantage of the present invention:
Example of formulations 1:
Get ammonium glyphosate 24.0g, careless ammonium phosphine ammonium salt 8.0g is dissolved in the 59g water, add auxiliary agent 10g and mix after obtain 30% and mix aqua product.Its proportioning can adopt following form to show:
Table 1:30% glyphosate grass ammonium phosphine aqua prescription
| Ammonium glyphosate | ??24 |
| Grass ammonium phosphine | ??8 |
| Ammonium glyphosate | ??24 |
| Auxiliary agent | ??10 |
| Water | Complement to 100% |
By adopting different glyphosate class weed killer herbicides, can obtain different aqua products as glyphosate potassium, glyphosate isopropyl amine salt etc., similarly, also can obtain different aqua products as careless ammonium phosphine sylvite, careless ammonium phosphine isopropyl amine salt etc. by adopting different careless ammonium phosphine class weed killer herbicides.
Example of formulations 2:
Get ammonium glyphosate 12.7g, glyphosate potassium 16.0g, careless ammonium phosphine ammonium salt 12.3g is dissolved in the 49g water, add auxiliary agent 10g and mix after obtain 41% and mix aqua product.Its proportioning can adopt following form to show:
Table 2:41% glyphosate grass ammonium phosphine aqua prescription
| Ammonium glyphosate | ??12.7 |
| Glyphosate potassium | ??16.0 |
| Grass ammonium phosphine | ??12.3 |
| Auxiliary agent | ??10 |
| Water | Complement to 100% |
By adopting different glyphosate class weed killer herbicides to mix, can obtain different aqua products with glyphosate isopropyl amine salt etc. as glyphosate potassium.
Example of formulations 3:
Get glyphosate isopropyl amine salt 29.0g, careless ammonium phosphine sylvite 4.0g, careless ammonium phosphine ammonium salt 8.0g is dissolved in the 49g water, add auxiliary agent 10g and mix after obtain 41% and mix aqua product.Its proportioning can adopt following form to show:
Table 3:41% glyphosate grass ammonium phosphine aqua prescription
| Glyphosate isopropyl amine salt | ??29 |
| Grass ammonium phosphine sylvite | ??4 |
| Grass ammonium phosphine ammonium salt | ??8 |
| Auxiliary agent | ??10 |
| Water | Complement to 100% |
By adopting different careless ammonium phosphine class weed killer herbicides to mix, also can obtain different aqua products with careless ammonium phosphine isopropyl amine salt etc. as careless ammonium phosphine sylvite.
Example of formulations 4:
Get glyphosate isopropyl amine salt 25g, ammonium glyphosate 4g, careless ammonium phosphine sylvite 6g, careless ammonium phosphine ammonium salt 6g is dissolved in the 49g water, add auxiliary agent 10g and mix after obtain 41% and mix aqua product.Its proportioning can adopt following form to show:
Table 4:41% glyphosate grass ammonium phosphine aqua prescription
| Glyphosate isopropyl amine salt | ??25 |
| Ammonium glyphosate | ??4 |
| Grass ammonium phosphine sylvite | ??6 |
| Grass ammonium phosphine ammonium salt | ??6 |
| Auxiliary agent | ??10 |
| Water | Complement to 100% |
Also can obtain different aqua products by adopting different careless ammonium phosphine class weed killer herbicides, different glyphosate class weed killer herbicide to intersect respectively to mix.
Example of formulations 5:
Get ammonium glyphosate 44.0g, careless ammonium phosphine 19.0g adds auxiliary agent 12g, filler ammonium sulfate 25g, and after an amount of water of interpolation carries out granulation and oven dry after mixing, obtain 63% mixed herbicide particle.Its proportioning can adopt following form to show:
The solvable granula prescription of table 5:63% glyphosate grass ammonium phosphine
| Ammonium glyphosate | ??44 |
| Grass ammonium phosphine ammonium salt | ??19 |
| Auxiliary agent | ??12 |
| Ammonium sulfate | ??25 |
Similar with aqua product, above-mentionedly compositely can obtain new granule product, mix with careless ammonium phosphine isopropyl amine salt and glyphosate isopropyl amine salt mixes with careless ammonium phosphine sylvite etc. as glyphosate potassium by adopting different glyphosate class weed killer herbicides, careless ammonium phosphine class weed killer herbicide to mix respectively.
Example of formulations 6:
Similar with example of formulations 1 to example of formulations 4, thus can adopt different glyphosate class weed killer herbicides, careless ammonium phosphine class weed killer herbicide to intersect respectively to mix obtains new mixed herbicide particle.
Example of formulations 7:
By the change of preparation condition, the preparation that can adopt similar the foregoing description is with various formulations such as preparation of product pulvis and tablets.
Indoor biological activity determination: according to the abundant method of Sun Yun, we are to glyphosate, and careless ammonium phosphine has carried out indoor biological activity determination, and selected weeds are eleusine indica (Gramineae).By this indoor biological activity determination to eleusine indica, discovery glyphosate and careless ammonium phosphine are mixed to use herbicidal effect are had obvious synergistic effect.Below with the form of chart with glyphosate and careless each mixed ratio of ammonium phosphine, calculate (glyphosate: careless ammonium phosphine=1: 9～9: 1) with weight ratio, measured ED50 (g a.i./ha), theoretical toxicity index (TTI), actual toxicity index (ATI), co-toxicity coefficient (CTC) are summarized as follows:
The determination of activity result gathers (weeds: eleusine indica) in table 6 glyphosate and the careless ammonium phosphine compounding chamber
| Glyphosate content (weight meter) | Grass ammonium phosphine content (weight meter) | ??ED50??g?a.i./ha | Theoretical toxicity index | Actual toxicity index | Co-toxicity coefficient |
| ??10 | ??0 | ??476.7 | ??100 | ??100 | ??100 |
| ??0 | ??10 | ??405.2 | ??118 | ??118 | ??100 |
| ??9 | ??1 | ??350.8 | ??101.8 | ??136 | ??133.6 |
| ??8 | ??2 | ??302.2 | ??103.6 | ??157.7 | ??152.2 |
| ??7 | ??3 | ??298.5 | ??105.4 | ??159.7 | ??151.5 |
| ??6 | ??4 | ??329.8 | ??107.2 | ??144.5 | ??134.8 |
| ??5 | ??5 | ??344.7 | ??109 | ??138 | ??126.6 |
| ??4 | ??6 | ??351.2 | ??100.8 | ??136 | ??134.9 |
| ??3 | ??7 | ??365.9 | ??102.6 | ??130 | ??126.7 |
| ??2 | ??8 | ??333.4 | ??114.4 | ??143.0 | ??125.0 |
| ??1 | ??9 | ??330.2 | ??116.2 | ??144.4 | ??124.3 |
By analyzing above data, after we found that glyphosate and careless ammonium phosphine are mixed, the co-toxicity coefficient of each proportioning (CTC) was all more than 120, thereby can reach a conclusion: being mixed of glyphosate and careless ammonium phosphine has synergistic effect, is fit to be developed to the formulation that is mixed and uses.In above each proportioning, the most remarkable 8: 2 and 7: 3 o'clock with the proportioning of glyphosate and careless ammonium phosphine again, the ED50 of these two proportionings is respectively 302.2g a.i./ha and 298.5g a.i./ha, and co-toxicity coefficient (CTC) is respectively 152.2 and 151.5 again.
Field control effectiveness test 1:
Medicament: 30% glyphosate grass ammonium phosphine mixing aqua (example of formulations 1, Zhejiang Xinan Chemical Industry Group Co.Ltd's exploitation).This mixture preparation active ingredient dosage is 820ga.i./ha, and amounting to into the actual dosage of preparation is 2733ga.i./ha.
Contrast: 41% glyphosate isopropyl amine salt aqua (Zhejiang Xinan Chemical Industry Group Co.Ltd produces, factory's sampling), said preparation active ingredient dosage is 1200ga.i./ha, amounting to into the preparation dosage is 2927ga.i./ha; 18% careless ammonium phosphine aqua (Zhejiang Yongnong Chemical Industry Co. Ltd. produces, and market is bought), said preparation active ingredient dosage is 980ga.i./ha, amounting to into the preparation dosage is 5444ga.i./ha.
Controlling object: alternanthera philoxeroides (Alternanthera philoxeroides) and eleusine indica (Gramineae)
The result is as shown in table 7 below.By the data in the analysis diagram, we can draw two conclusions: the first, and the quick-acting of weeding was significantly improved after glyphosate and careless ammonium phosphine were mixed; The second, the be mixed completeness of back weeding of careless ammonium phosphine is come also to a certain degree raising compared with single agent of above two contrast medicaments behind the glyphosate.
Table 7:41% glyphosate grass ammonium phosphine aqua field control effectiveness test result statistics
| The medicament title | Active ingredient (ga.i./ha) | ??3d | ??5d | ??7d | ??10d | ??12d | ??15d |
| Glyphosate | ??1200 | ??9.0％ | ??29.6％ | ??50.0％ | ??70.2％ | ??89.4??％ | ??98.7??％ |
| Grass ammonium phosphine | ??980 | ??20.0％ | ??31.2％ | ??48.1％ | ??69.8％ | ??88.5??％ | ??99.6??％ |
| Glyphosate+careless ammonium phosphine (glyphosate: careless ammonium phosphine=8: 2) | ??820 | ??18.0％ | ??39.8％ | ??54.5％ | ??73.5％ | ??92.2??％ | ??100??％ |
Annotate: drug effect period average temperature T=17～20 ℃, weather are fine to cloudy.
Field control effectiveness test 2:
Medicament: 63% glyphosate grass ammonium phosphine mixing particle agent (example of formulations 5, Zhejiang Xinan Chemical Industry Group Co.Ltd's exploitation), said preparation active ingredient dosage is 820ga.i./ha, amounting to into the preparation dosage is 1302ga.i./ha.
Contrast: 41% glyphosate isopropyl amine salt aqua (Zhejiang Xinan Chemical Industry Group Co.Ltd produces, factory's sampling), said preparation active ingredient dosage is 1200ga.i./ha, amounting to into the preparation dosage is 2927ga.i./ha; 18% careless ammonium phosphine aqua (Zhejiang Yongnong Chemical Industry Co. Ltd. produces, and market is bought), said preparation active ingredient dosage is 980ga.i./ha, amounting to into the preparation dosage is 820ga.i./ha.
Controlling object: alternanthera philoxeroides (Alternanthera philoxeroides) and eleusine indica (Gramineae)
The result is as shown in the table.By analyzing following chart, we find equally both to have improved after glyphosate and careless ammonium phosphine are mixed the quick-acting of weeding equally, and the completeness to weeding increases again.
The solvable granula field control effectiveness test of table 8:63% glyphosate grass ammonium phosphine result statistics
| The medicament title | Active ingredient (ga.i./ha) | ??3d | ??5d | ??7d | ??10d | ??12d | ??15d |
| Glyphosate | ??1200 | ??11.0??％ | ??28.6??％ | ??53.0??％ | ??74.2??％ | ??88.4??％ | ??100.??0％ |
| Grass ammonium phosphine | ??980 | ??21.0??％ | ??30.2??％ | ??52.1??％ | ??69.8??％ | ??88.5??％ | ??99.6??％ |
| Glyphosate+careless ammonium phosphine (glyphosate: careless ammonium phosphine=7: 3) | ??820 | ??22.5??％ | ??40.6??％ | ??54.5??％ | ??78.3??％ | ??91.2??％ | ??100.??0％ |
Annotate: drug effect period average temperature T=19～22 ℃, weather based on fine to cloudy, during the 4th～6 day the moon light rain is arranged.
Claims (8)
1. a complex weedicide is characterized in that with glyphosate class weed killer herbicide and phosphine oxamate class weed killer herbicide be active component, and comprises acceptable auxiliary element in the agricultural chemicals.
2. weed killer herbicide according to claim 1, wherein glyphosate class weed killer herbicide comprises one or more mixtures in glyphosate, ammonium glyphosate, glyphosate isopropyl amine salt, glyphosate potassium, sodium glyphosate, the glyphosate dimethylamine salt etc., and careless ammonium phosphine class weed killer herbicide comprises one or more mixtures in careless ammonium phosphine, careless ammonium phosphine ammonium salt, careless ammonium phosphine isopropyl amine salt, careless ammonium phosphine sylvite, careless ammonium phosphine sodium salt, the careless ammonium phosphine dimethylamine salt etc.
3. weed killer herbicide according to claim 1 and 2, wherein its active ingredient total content of herbicidal composition is between 0.1%～99.9%.
4. weed killer herbicide according to claim 3, wherein the compound proportion of glyphosate class weed killer herbicide and careless ammonium phosphine class weed killer herbicide changed between 1: 999～999: 1.
5. weed killer herbicide according to claim 4, wherein the compound proportion of glyphosate class weed killer herbicide and careless ammonium phosphine class weed killer herbicide is 1: 9～9: 1.
6. weed killer herbicide according to claim 5, wherein the compound proportion of glyphosate class and careless ammonium phosphine is 8: 2 or 7: 3.
7. according to each described weed killer herbicide of claim 1-6, it is characterized in that with glyphosate class weed killer herbicide and phosphine oxamate class weed killer herbicide be active component, form the formulations of pesticide of aqua, soluble powder, soluble liquid, soluble granula, suspending agent, wetting powder, microemulsion, aqueous emulsion, dispersible tablets, effervescent tablet, seed coating medicine jointly with acceptable auxiliary element in the agricultural chemicals.
8. according to the weed killer herbicide of claim 7, its formulation is aqua or soluble granula.
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| CN201010121836A CN101773143A (en) | 2010-02-18 | 2010-02-18 | Compounded weed killer of glyphosate and glufosinate |
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| CN102669174A (en) * | 2012-05-17 | 2012-09-19 | 永农生物科学有限公司 | Glufosinate soluble powder and soluble granules and preparation method thereof |
| CN102823622A (en) * | 2012-09-24 | 2012-12-19 | 发事达(南通)化工有限公司 | Glyphosate soluble effervescent tablet and preparation method thereof |
| CN102845465A (en) * | 2012-03-29 | 2013-01-02 | 广东中迅农科股份有限公司 | Glufosinate-ammonium aqua and preparation method thereof |
| CN103461378A (en) * | 2013-10-08 | 2013-12-25 | 山东潍坊润丰化工有限公司 | Glufosinate-ammonium preparation and preparation method thereof |
| CN103719077A (en) * | 2014-01-02 | 2014-04-16 | 广西田园生化股份有限公司 | Amino acid water-base herbicide for low-capacity spraying |
| CN104522048A (en) * | 2014-12-23 | 2015-04-22 | 广东中迅农科股份有限公司 | Weed control composition containing glufosinate-ammonium and aquacide |
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| CN105394080A (en) * | 2015-12-24 | 2016-03-16 | 安徽美兰农业发展股份有限公司 | Glyphosate isopropylammonium and glufosinate-ammonium compounded aqua and preparation method thereof |
| CN106279243A (en) * | 2016-08-09 | 2017-01-04 | 威尔（福建）生物有限公司 | A kind of glufosinate-ammonium water preparation auxiliary agent compounding glyphosate and preparation method thereof |
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| CN114847300A (en) * | 2021-02-03 | 2022-08-05 | 木岛庆昌 | Herbicide |
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| CN102669174A (en) * | 2012-05-17 | 2012-09-19 | 永农生物科学有限公司 | Glufosinate soluble powder and soluble granules and preparation method thereof |
| CN102669174B (en) * | 2012-05-17 | 2013-12-25 | 永农生物科学有限公司 | Glufosinate soluble powder and soluble granules and preparation method thereof |
| CN102823622A (en) * | 2012-09-24 | 2012-12-19 | 发事达(南通)化工有限公司 | Glyphosate soluble effervescent tablet and preparation method thereof |
| CN102823622B (en) * | 2012-09-24 | 2013-12-11 | 发事达(南通)化工有限公司 | Glyphosate soluble effervescent tablet and preparation method thereof |
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