CN103858895A - Paddy field synergistic weeding composition - Google Patents
Paddy field synergistic weeding composition Download PDFInfo
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- CN103858895A CN103858895A CN201410125326.7A CN201410125326A CN103858895A CN 103858895 A CN103858895 A CN 103858895A CN 201410125326 A CN201410125326 A CN 201410125326A CN 103858895 A CN103858895 A CN 103858895A
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Abstract
The invention belongs to the field of agricultural chemicals and in particular relates to a paddy field synergistic weeding composition. The paddy field synergistic weeding composition is characterized by comprising the following active ingredients in percentage by weight: 5-40 percent of oxadiazon or 0.5-20 percent of oxadiargyl, 5-30 percent of pretilachlor or butachlor and 2-30 percent of clomazone. According to the composition, the weeding effect can be improved, the herbicide controlling spectrum is widened, the composition is low in toxicity and small in residual, and the pesticide hazard on rice is reduced. Moreover, the dosage, the administration frequency and the use cost are obviously reduced, the effect of the composition is obviously higher than that of each single-dose agent, and the paddy field synergistic weeding composition is suitable for controlling and eliminating of annual and perennial weeds in paddy fields.
Description
(1) technical field
The invention belongs to field of agrochemicals, particularly a kind of paddy field Synergistic herbicide compositions.
(2) background technology
The third careless amine, English common name: pretilachlor, the chloro-N-of chemical name: 2-(1-methyl-2-methoxyethyl)-N-(2-ethyl-6-aminomethyl phenyl) acetamide.These product are preemergence herbicide, are mainly used in preventing and kill off grassy weed.Product belongs to 2-acetyl chloride for phenyl amines weed killer herbicide, is cell division inhibitor, can prevent and kill off barnyard grass in paddy field, difformed galingale herb, needle spikesedge herb, Monochoria korsakowii, alisma canaliculatum etc. for soil treatment.Conventionally before rice transplanting, 3～5d uses.It is poor to the wet paddy rice selectivity of inserting when this product list is executed, in the time using, straight cutting paddy rice is had to fabulous selectivity together with fenclorim, be applicable to paddy rice and prevent and kill off 1 year raw grass family such as barnyard grass, bare headed barnyard grass, moleplant seed, eleusine indica, needle spikesedge herb, alisma canaliculatum, water three-coloured amaranth, difformed galingale herb, cyperus iria, false loosestrife, Monochoria korsakowii and broad leaved weed.
Clomazone, English common name: clomazone, chemical name: 2-(2-chlorobenzyl)-4,4-dimethyl isoxazole quinoline-3-ketone, for selectivity herbicide before seedling stage, absorb upwards transporting by root, the young shoot of plant, diffuse to leaf portion through xylem, suppress the chlorophyll of sensitive plant and synthesizing of carotin.Form white seedling, dead in a short time.The biologically active of long ， clomazone of lasting period in soil is sustainable more than 6 months, can be under recommended dose, and selectivity arranges succession crop, avoids poisoning.Be applicable to the crops such as soybean, sugarcane, potato, peanut, tobacco, paddy rice, rape, can prevent and kill off annual gramineae and the broad leaved weeds such as barnyard grass, green foxtail, lady's-grass, setaria glauca, eleusine indica, black nightshade, elscholtiza, water sour jujube pin, kitchen garden, piemarker, flowerofanhour root or herb, lamb's-quarters, little lamb's-quarters, penny cress, willow leaf thorn knotweed, pale persicaria, dayflower, Mao pig Xian, wolf tail grass, beggar-ticks, Siberian cocklebur, artemisiifolia, perennial field thistle, setose thistle, corn sow thistle, meadow pine etc. are had to stronger inhibitory action.
Evil humulone, English common name: oxadiazon, chemical name: the 5-tert-butyl group-3-(the chloro-5-o-phenyl-isopropyl of 2,4-bis-)-1,3,4-oxadiazoline-2-ketone.Be used for preventing and kill off multiple annual unifacial leaf and broadleaf weed, be mainly used in paddy field weed-killer, peanut to dry land, cotton, sugarcane etc. are also effective; Before tagging property bud, post-emergence herbicide.Do soil treatment, the use of floods and droughts field.Mainly absorb and work by weeds young shoot and cauline leaf, under the condition that has light, can bring into play good removing activity.To particularly sensitivity of budding period weeds, when weeds one germinate, the growth of bud scale is just suppressed, and its tissue rots rapidly, weeds death; Along with weeds growth drug effect declines, substantially invalid to the weeds that grown up.For preventing and kill off barnyard grass, moleplant seed, ditch millet, difformed galingale herb, Monochoria korsakowii, mexicana, globe daisy alkali grass, Sagittaria pygmaea etc. in rice field.Also can be used for preventing and kill off crop annual gramineous weed and the broad leaved weeds such as cotton, soybean, sunflower, peanut, potato, sugarcane, celery, fruit tree.Amaranthaceae, Chenopodiaceae, Euphorbiaceae, cuckooflower section, optically-active section weeds are had to good preventive effect.
Bing Que Evil humulone, English common name: Oxadiargyl, chemical name: 5-tertiary butyl-3-(2, the chloro-5-alkynes of 4-bis-propoxyl group phenyl)-1,3,4 oxadiazole-2-(3H)-one, Bing Que Evil humulone belongs to low toxicity, cyclic imide class selectivity contact killing type weed killer herbicide, mainly before and after weeds are unearthed, are absorbed and is worked by the susceptible weeds young shoots such as barnyard grass or seedling contact.Bing Que Evil humulone imposes in paddy field water either and is formed a stable medicine membrane closure layer by the absorption of topsoil micelle gradually through sedimentation, in the time that the weeds young shoot of sprouting thereafter passes through this medicine layer, absorb and limited conduction with contact, under the condition that has light, membranolysis and the chlorophyll of contact site are decomposed, and the meristematic tissue of the vigorous part that makes to grow destroyed, finally cause the weeds young shoot withered death of being injured.And before dispenser, sprouted but the weeds seedling of not yet surfacing, before medicament sedimentation, from water, contact absorbs enough medicaments, causes very fast downright bad the rotting of weeds.Bing Que Evil humulone mobility in soil is less, therefore, is difficult for touching the root of weeds.About 30 days humulone lasting periods of Bing Que Evil.Be applicable to paddy rice, prevent and treat the weeds such as barnyard grass, moleplant seed, wild water chestnut, difformed galingale herb, cyperus iria, needle spikesedge herb, mexicana, duckweed, firefly Lin, Monochoria korsakowii, Monochoria korsakowii, rhizoma alismatis, water silk floss, little najas marina.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, and a kind of environmentally friendly, paddy field Synergistic herbicide compositions of effectively expanding herbicide spectrum is provided.
The present invention is achieved through the following technical solutions:
A kind of paddy field Synergistic herbicide compositions, it is characterized in that: one, the third careless amine or butachlor, clomazone in its active ingredient Wei Evil humulone and Bing Que Evil humulone, wherein each active ingredient accounts for percentage by weight Wei ， Evil humulone 5-40% or Bing Que Evil humulone 0.5-20%, the third careless amine 5-30%, clomazone 2-30% of total composition.
The present invention is directed to the variation of paddy field weed grass phase and the pesticide resistance problem to agricultural chemicals, a kind of new composite herbicide for paddy field is provided, can improve weeding preventive effect, expand herbicide spectrum, and efficient, spectrum, environmentally friendly, cost is low, and date is transplanted the new pesticide combination that paddy land weed is taken care of oneself.
Its preferred each active ingredient accounts for percentage by weight Wei ， Evil humulone 5-30% or Bing Que Evil humulone 1-10%, the third careless amine or the butachlor 5-30%, clomazone 4-20% of total composition.
Also comprise safener; Described safener is fenclorim, and the weight proportion of fenclorim and the third careless amine is 1:1-4.
Described composition is missible oil, film-spreading oil solution, wetting powder, water dispersible granules, suspension emulsion or microemulsion.
The present invention can improve herbicidal effect, expands herbicide spectrum, and low toxicity and low residue, reduces the poisoning to paddy rice, and significantly reduce dosage, medication number of times and use cost, and successful, higher than each single dose, is applicable to paddy field and prevents and kill off annual and perennial weeds.
(4) embodiment
For making object of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these examples.Once, be only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as limitation of the scope of the invention.It should be pointed out that all any amendments of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
The careless An Yi of example 1:32% third Evil Cao Song Evil humulone missible oil
The third careless amine 10% ， clomazone 10% ， Evil humulone 12%, cyclohexanone 5%, calcium dodecyl benzene sulfonate 4%, styrenated phenol APEO 2%, castor oil polyoxyethylene ether 3%, solvent naphtha polishing to 100%.
In still, drop into cyclohexanone and solvent naphtha ， Jiang complete Evil humulone stirring and dissolving, then residual components is dropped in still, stir until dissolve completely, can make the 32% the third careless An Yi Evil Cao Song Evil humulone missible oil.
The careless An clomazone of example 2:19% third Bing Que Evil humulone missible oil
The third careless amine 5% ， clomazone 12%, Bing Que Evil humulone 2%, cyclohexanone 5%, calcium dodecyl benzene sulfonate 3%, styrenated phenol APEO 3%, castor oil polyoxyethylene ether 2%, solvent naphtha polishing to 100%.
In still, drop into cyclohexanone and solvent naphtha, by complete Bing Que Evil humulone stirring and dissolving, then residual components is dropped in still, stir until dissolve completely, can make the 19% the third careless An clomazone Bing Que Evil humulone missible oil.
The careless An Yi of example 3:28% third Evil Cao Song Evil humulone wetting powder
The third careless amine 5% ， clomazone 13% ， Evil humulone 10%, lauryl sodium sulfate 2%, sodium methylene bis-naphthalene sulfonate 4%, calcium lignosulfonate 3%, white carbon 6%, kaolin polishing to 100%.
Above-mentioned material is added in cone-type mixer and mixed together, after airslide disintegrating mill is pulverized, mix, until fineness of materials reaches 98% by 325 mesh sieves, can make the 28% the third careless An Yi Evil Cao Song Evil humulone wetting powders.
The careless An clomazone of example 4:26% third Bing Que Evil humulone wetting powder
The third careless amine 6% ， clomazone 10%, Bing Que Evil humulone 10%, lauryl sodium sulfate 2%, sodium methylene bis-naphthalene sulfonate 3%, calcium lignosulfonate 5%, white carbon 6%, kaolin polishing to 100%.
Above-mentioned material is added in cone-type mixer and mixed together, after airslide disintegrating mill is pulverized, mix, until fineness of materials reaches 98% by 325 mesh sieves, can make the 26% the third careless An clomazone Bing Que Evil humulone wetting powders.
The floating granula of example 5:10% third careless An Yi Evil Cao Song Evil humulone
The third careless amine 4% ， clomazone 2%, Evil humulone 4%, lauryl sodium sulfate 2%, sodium butylnaphthalenesulfonate 4%, sodium lignin sulfonate 4%, ammonium sulfate 3%, white carbon 15%, polycarboxylate 2%, glass microballoon polishing to 100%.
Clomazone and azoles humulone are first adsorbed with white carbon, Jia Ru Evil humulone, neopelex, fourth sodium naphthalene sulfonate, sodium lignin sulfonate, ammonium sulfate, polycarboxylate add in cone-type mixer and mix together again, after pulverizing, mixes airslide disintegrating mill, sneak into again glass microballoon, be uniformly mixed.This material is entered in granulating disc to add water, carry out extruder grain, dry under 50 DEG C of-80 DEG C of conditions, then screening, cooling cylinder is cooling, can make this floating granula.
The careless An clomazone of example 6:10% third Bing Que Evil humulone effervescent tablet
The third careless amine 6% ， clomazone 3%, Bing Que Evil humulone 1%, lauryl sodium sulfate 2%, sodium butylnaphthalenesulfonate 5%, sodium lignin sulfonate 3%, carbonic hydroammonium 5%, white carbon 15%, citric acid 2.5%, kaolin polishing to 100%.
By the third careless amine He clomazone adsorb with white carbon, add again Bing Que Evil humulone, neopelex, sodium butylnaphthalenesulfonate, sodium lignin sulfonate, carbonic hydroammonium, citric acid, kaolin material to add in cone-type mixer and mix together, after pulverizing, mixes airslide disintegrating mill, until fineness of materials reaches 98% by 325 mesh sieves, make wetting powder.Then carry out extruder grain, dry under 50 DEG C of-80 DEG C of conditions, then screening, cooling cylinder is cooling, can make this effervescent tablet.
The careless An Yi of example 7:37% third Evil Cao Song Evil humulone aqueous emulsion
The third careless amine 7% ， clomazone 18% ， Evil humulone 12%, calcium dodecyl benzene sulfonate 4%, styrenated phenol polyoxyethylene ether phosphate 4%, castor oil polyoxyethylene ether 3%, xanthans 0.1%, ethylene glycol 3%, running water polishing to 100%.
Together with above-mentioned material (xanthans is with except ethylene glycol), add in reactor, stir 1 hour, open pan feeding valve at the bottom of still, material is injected to stage sand grinding machine and grind, open cycle water, control grinding temperature below 40 DEG C, after grinding, material particular diameter reaches discharging after 1-5 micron, then add xanthans and ethylene glycol, high speed shear 1 hour, can make the 37% the third careless An Yi Evil Cao Song Evil humulone suspension emulsions.
The careless An clomazone of example 8:440% third Bing Que Evil humulone aqueous emulsion
The third careless amine 15% ， clomazone 10%, Bing Que Evil humulone 15%, calcium dodecyl benzene sulfonate 5%, styrenated phenol polyoxyethylene ether phosphate 5%, castor oil polyoxyethylene ether 2%, xanthans 0.1%, ethylene glycol 3%, running water polishing to 100%.
Together with above-mentioned material (xanthans is with except ethylene glycol), add in reactor, stir 1 hour, open pan feeding valve at the bottom of still, material is injected to stage sand grinding machine and grind, open cycle water, control grinding temperature below 40 DEG C, after grinding, material particular diameter reaches discharging after 1-5 micron, then add xanthans and ethylene glycol, high speed shear 1 hour, can make the 40% the third careless An clomazone Bing Que Evil humulone suspension emulsions.
Biologicall test specific embodiment 1:
In order to verify the third careless amine, clomazone with three kinds of composite effects of active ingredient of Evil humulone, first applicant tests under room temperature cultivation condition, measure the third careless amine, clomazone with the herbicidal effect of Evil humulone and the combination of various dose mixture thereof is evaluated its associating synergy.
Reagent agent: the third careless amine, clomazone, Evil humulone;
For trying material: barnyard grass, Monochoria korsakowii.
The configuration of test medicine:
Accurately take the third careless amine, clomazone, Evil humulone with electronic balance, first dissolve respectively with acetone, then add the 0.1% Tween 80 aqueous solution to stir, then it is for subsequent use to be diluted to finite concentration.
Test method is as follows:
Barnyard grass and Monochoria korsakowii seed presoaking and germinating, at the soil of the polypots amount of setting of high 8cm, diameter 10cm, will for 20, the vernalization seed of examination weeds, evenly sowing to be in polypots, the fine earth after lid 0.5-1cm, is placed on incubated at room temperature.The above-mentioned former drug solns preparing carries out composite and is diluted to the liquid of finite concentration gradient, treat that weed growth is to 11 heart stage of leaf, carry out cauline leaf spraying with hand-held compressed sprayer and process, every alms bowl spraying liquid 5mL, each processing 4 these repetitions, and establish blank solution and process in contrast.After processing, test material continues to be placed in the interior cultivation of room temperature, and the growing state of routine observation weeds, takes each processing test material acrial part fresh weight for after medicine 21 days, calculates fresh weight inhibiting rate, evaluates three use the synergy to barnyard grass with by Golby method.
Fresh weight inhibiting rate calculates as follows:
The theoretical preventive effect of complex weedicide is calculated as follows:
In formula, A represents the fresh weight inhibiting rate of weed killer herbicide 1 to test material, and in formula, B represents the fresh weight inhibiting rate of weed killer herbicide 2 to test material, and in formula, C represents the fresh weight inhibiting rate of weed killer herbicide 3 to test material, E
0the theoretical value that represents the fresh weight inhibiting rate of three kinds of mixture of herbicides to test material, E represents the measured value of the fresh weight inhibiting rate of three kinds of mixture of herbicides to test material.
Evaluation criterion: E-E
0be less than-10%, representing has antagonism, E-E between three kinds of weed killer herbicides
0equal-10% ~ 10%, representing has addition, E-E between three kinds of weed killer herbicides
0be less than-10%, representing has synergistic effect between three kinds of weed killer herbicides.
Conclusion: can find out from the result of the test of present embodiment, the third careless amine, clomazone is with Evil humulone is composite, poor (E-E that the actual preventive effect of barnyard grass is imitated in theory
0) substantially between-10 and 10, indivedual processing is greater than 10, show that three is composite barnyard grass is belonged to addition; The third careless amine, clomazone is with Evil humulone is composite, poor (E-E that the actual preventive effect of Monochoria korsakowii is imitated in theory
0) be substantially greater than 10, indivedual processing is less than 10, show three composite to Monochoria in synergistic effect.
Biologicall test specific embodiment 2:
In order to verify the third careless amine, clomazone and three kinds of composite effects of active ingredient of Bing Que Evil humulone, first applicant tests under room temperature cultivation condition, measure the herbicidal effect of the third careless amine, clomazone and Bing Que Evil humulone and the combination of various dose mixture thereof, evaluate its associating synergy.
Reagent agent: the third careless amine, clomazone, Bing Que Evil humulone;
For trying material: barnyard grass, Monochoria korsakowii.
The configuration of test medicine:
Accurately take the third careless amine, clomazone, the third alkynes Evil humulone with electronic balance, first dissolve respectively with acetone, then add the 0.1% Tween 80 aqueous solution to stir, then it is for subsequent use to be diluted to finite concentration.
Test method is as follows:
Barnyard grass and Monochoria korsakowii seed presoaking and germinating, at the soil of the polypots amount of setting of high 8cm, diameter 10cm, will for 20, the vernalization seed of examination weeds, evenly sowing to be in polypots, the fine earth after lid 0.5-1cm, is placed on incubated at room temperature.The above-mentioned former drug solns preparing carries out composite and is diluted to the liquid of finite concentration gradient, treat that weed growth is to 11 heart stage of leaf, carry out cauline leaf spraying with hand-held compressed sprayer and process, every alms bowl spraying liquid 5mL, each processing 4 these repetitions, and establish blank solution and process in contrast.After processing, test material continues to be placed in the interior cultivation of room temperature, and the growing state of routine observation weeds, takes each processing test material acrial part fresh weight for after medicine 21 days, calculates fresh weight inhibiting rate, evaluates three use the synergy to barnyard grass with by Golby method.
Fresh weight inhibiting rate calculates as follows:
The theoretical preventive effect of complex weedicide is calculated as follows:
In formula, A represents the fresh weight inhibiting rate of weed killer herbicide 1 to test material, and in formula, B represents the fresh weight inhibiting rate of weed killer herbicide 2 to test material, and in formula, C represents the fresh weight inhibiting rate of weed killer herbicide 3 to test material, E
0the theoretical value that represents the fresh weight inhibiting rate of three kinds of mixture of herbicides to test material, E represents the measured value of the fresh weight inhibiting rate of three kinds of mixture of herbicides to test material.
Evaluation criterion: E-E
0be less than-10%, representing has antagonism, E-E between three kinds of weed killer herbicides
0equal-10% ~ 10%, representing has addition, E-E between three kinds of weed killer herbicides
0be less than-10%, representing has synergistic effect between three kinds of weed killer herbicides.
Conclusion: can find out from the result of the test of present embodiment, the third careless amine, clomazone and Bing Que Evil humulone are composite, poor (E-E that the actual preventive effect of barnyard grass is imitated in theory
0) substantially between-10 and 10, indivedual processing is greater than 10, show that three is composite barnyard grass is belonged to addition; The third careless amine, clomazone and Bing Que Evil humulone are composite, poor (E-E that the actual preventive effect of Monochoria korsakowii is imitated in theory
0) be substantially greater than 10, indivedual processing is less than 10, show three composite to Monochoria in synergistic effect.
Claims (5)
1. a paddy field Synergistic herbicide compositions, it is characterized in that: one, the third careless amine or butachlor, clomazone in its active ingredient Wei Evil humulone and Bing Que Evil humulone, wherein each active ingredient accounts for percentage by weight Wei ， Evil humulone 5-40% or Bing Que Evil humulone 0.5-20%, the third careless amine 5-30%, clomazone 2-30% of total composition.
2. paddy field Synergistic herbicide compositions according to claim 1, is characterized in that: each active ingredient accounts for percentage by weight Wei ， Evil humulone 5-30% or Bing Que Evil humulone 1-10%, the third careless amine or the butachlor 5-30%, clomazone 4-20% of total composition.
3. paddy field Synergistic herbicide compositions according to claim 1, is characterized in that: also comprise safener.
4. paddy field Synergistic herbicide compositions according to claim 1, is characterized in that: described composition is missible oil, film-spreading oil solution, wetting powder, water dispersible granules, suspension emulsion or microemulsion.
5. paddy field Synergistic herbicide compositions according to claim 3, is characterized in that: described safener is fenclorim, and the weight proportion of fenclorim and the third careless amine is 1:1-4.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248430A (en) * | 2015-11-04 | 2016-01-20 | 范荣俊 | Paddy field closed weeding composition |
| CN110235895A (en) * | 2019-07-05 | 2019-09-17 | 南京农业大学 | A kind of pretilachlor and oxadiazon administer resistance barnyard grass composition and its application |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017078638A1 (en) * | 2015-11-06 | 2017-05-11 | Entovest Ilaç Kimya Ve Teknoloji̇ Araştirma Merkezi̇ San. Ti̇c.Ltd.Şti̇ | Synergistic herbicidal composition of oxadiazon and clomazone for use in rice |
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|---|---|---|---|---|
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
| CN101868148A (en) * | 2007-12-19 | 2010-10-20 | 龙灯农业化工国际有限公司 | Agrochemical composition and preparation method thereof |
| CN102217609A (en) * | 2011-04-12 | 2011-10-19 | 安徽丰乐农化有限责任公司 | Oxadiazon and flumioxazin compound weeding composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101115389A (en) * | 2005-02-04 | 2008-01-30 | 辛根塔参与股份公司 | Process for the control of undesired plant growth in rice |
| CN101868148A (en) * | 2007-12-19 | 2010-10-20 | 龙灯农业化工国际有限公司 | Agrochemical composition and preparation method thereof |
| CN102217609A (en) * | 2011-04-12 | 2011-10-19 | 安徽丰乐农化有限责任公司 | Oxadiazon and flumioxazin compound weeding composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248430A (en) * | 2015-11-04 | 2016-01-20 | 范荣俊 | Paddy field closed weeding composition |
| CN110235895A (en) * | 2019-07-05 | 2019-09-17 | 南京农业大学 | A kind of pretilachlor and oxadiazon administer resistance barnyard grass composition and its application |
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