CN102792954A - Herbicide composition including metamifop and pyrazosulfuron-ethyl - Google Patents
Herbicide composition including metamifop and pyrazosulfuron-ethyl Download PDFInfo
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- CN102792954A CN102792954A CN2011101330217A CN201110133021A CN102792954A CN 102792954 A CN102792954 A CN 102792954A CN 2011101330217 A CN2011101330217 A CN 2011101330217A CN 201110133021 A CN201110133021 A CN 201110133021A CN 102792954 A CN102792954 A CN 102792954A
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- pyrazosulfuron
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- herbicidal composition
- oxazole acyl
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Abstract
The invention relates to the technical field of pesticides, and discloses a rice mixed herbicide. The herbicide comprises two active ingredients of metamifop and pyrazosulfuron-ethyl, wherein the weight ratio of the two active ingredients is 1:3.3-70:1; and the mass percentage of the two active ingredients is 1-85% of the mixed herbicide. By mixing the two active ingredients of metamifop and pyrazosulfuron-ethyl, complementarity of each ingredient for eradicating weeds is increased and shortages when each ingredient is used alone are supplemented. The herbicide can not only prevent and eradicate annual gramineae weeds in rice fields, but also can prevent and eradicate broadleaf weeds and cyperaceae weeds, and has significant synergistic effects. The herbicide composition has not only obvious effects for eradicating weeds but also good security for the rice, has no influence on subsequent crops, and is an ideal herbicide.
Description
[technical field]
The invention belongs to the agriculture plant protection field, relate to a kind of herbicidal composition that improves performance that has, relate in particular to the Weeding synergetic composition of a kind of Han You oxazole acyl grass amine and two kinds of active components of pyrazosulfuron.
[background technology]
Paddy rice is not only the topmost cereal crops of China, also is one of world's staple food crop.Near in the world half population comprises the population in almost whole East Asia and Southeast Asia, all is food with rice, and production spreads all over each continent except that the South Pole.Eighties of last century late period, about 4,000 hundred million kilograms of world's rice annual production average out to, about 1.45 hundred million hectares of cultivated area.China's paddy rice cultivated area accounts for 1/4 of national cereal crops, and annual about more than 3,500 ten thousand hectares, output then accounts for over half.No matter cultivated area and output all rank first in China cereal crops.All rice of China do the rice field in district, always have a large amount of weeds to take place, and medium crop smothering area accounts for more than 46% of total cultivated area, and wherein serious injured area is more than 11.5%.Therefore, urgent unusually for the demand of killing careless wide spectrum, selectivity herbicide for paddy field kind strong, easy to use aborning.
Oxazole acyl grass amine is fragrant phenoxy esters of gallic acid (AOPP) weed killer herbicide; As a kind of acetyl-CoA carboxylase (ACCase) inhibitor; Can prevent and kill off most of annual gramineous weeds admirably; The Shi ， oxazole acyl grass amine different with most of AOPP class weed killer herbicides can effectively be prevented and kill off the paddy field main weeds to rice safety; Pyrazosulfuron is to inhale selectivity ALS weed killer herbicide in the sulfonylurea high activity.Medicament is mainly absorbed by the young shoot of plant, root and cauline leaf and in plant corpus, conducts rapidly.Suppress amino acid whose biosynthesis in the plant corpus, the growth that stops growing very soon of the bud that makes weeds and root, it is withered to put in order strain subsequently.
Oxazole acyl grass amine can effectively be prevented and kill off grassy weed, but to broad leaved weed and the anti-heterodyne of sedge weed, the field exists grass family, broad-leaved and sedge weed again simultaneously, so, in order to remedy the deficiency of single agent, need to carry out composite to single agent weed killer herbicide.Through experiment, select to broad-leaved and sedge weed preventive effect preferably pyrazosulfuron so both can improve preventive effect with the careless amine of oxazole acyl carries out compositely, can make things convenient for the peasant to use again, reduce cost.
[summary of the invention]
Technical problem to be solved by this invention is, a kind of killing weeds in rice field herbicidal composition is provided, and do not have antagonism between each composition, can prevent and kill off grassy weed and can prevent and kill off broad leaved weed and sedge weed again, and cost is low, and is easy to use, to rice safety.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme: a kind of herbicidal composition comprises a and two kinds of active components of b of effective dose.Wherein, a Wei oxazole acyl grass amine (Metamifop), chemical name is (2R)-2-[4-[(6-chloro-2-Ben oxazolyl)] phenoxy group]-N-(2-fluorobenzene)-N-methyl propanamide, structural formula is:
B is pyrazosulfuron (Pyrazosulfuron-methyl); Other titles: careless jinx, grass go out star, careless prestige, Tadalafil, Mercury, Han Lexing, a gram only; Chemical name is 5-(4; 6-dimethoxypyridin-2-base amino carbonyl amino sulfonyl)-and 1-methylpyrazole-4-carboxylic acid, ethyl ester, structural formula is:
Said activity of herbicidal compositions composition a and b weight ratio Wei oxazole acyl grass amine: pyrazosulfuron=1: 3.3～70: 1, be preferably 1: 1.7～40: 1, be more preferably 9: 2; The weight percentage of two active components in herbicidal composition is 1～85%, and surplus is that agriculturals such as carrier, solvent, emulsifier, wetting agent, dispersant, thickener, antifoaming agent, antifreezing agent go up one or more in the acceptable insecticides adjuvant.
Said herbicidal composition can be prepared into multi-form operational corresponding formulation through conventional at present pesticide producing mode, and herbicidal composition most preferred dosage form of the present invention is a wetting powder.
Carrier can be one or more in white carbon, kaolin, diatomite, bentonite, precipitated calcium carbonate, gypsum, attapulgite, soluble starch, urea, amine fertilizer, glucose, maltose, sucrose, citric acid, Anhydrous potassium carbonate, natrium carbonicum calcinatum, Carbon Dioxide hydrogen potassium, anhydrous sodium sulfate, the anhydrous sodium bicarbonate in the said insecticides adjuvant, or other this area common carrier.
Solvent can be one or more in water, benzene,toluene,xylene, methyl alcohol, ethanol, isopropyl alcohol, butanols, cyclohexanone, cyclohexanol, oxolane, tetrahydrofurfuryl alcohol, carrene, chloroform, dimethyl formamide, dioxane, N-Methyl pyrrolidone, ethyl acetate, acetone, butanone, ether, epoxidized soybean oil, plant soybean oil, liquid wax, the lubricating oil in the said insecticides adjuvant.
Emulsifier can be a phenethyl phenol polyethenoxy polyethenoxy ether in the said insecticides adjuvant; Styryl fluosite polyoxyethylene-polyoxypropylene block type polyethers; Aliphatic acid polyethenoxy ether; Dibenzyl xenyl APEO; The glyceryl monolaurate APEO; Styryl phenol APEO; The ethoxy castor oil APEO; Alkyl phenol polyoxyethylene polyoxypropylene ether; The secondary octyl phenol polyethenoxy ether; NPE; Aliphatic alcohol polyoxyethylene sulfonate; The polyoxyethylene alkylphenol formaldehyde condensation products; Dodecyl sodium sulfonate calcium; Decyl alcohol polyoxyethylene ether sulfosuccinic acid sodium; APES succinate monoester sulfonate; The alkylphenol-polyethenoxy phosphate; APES sulfosuccinate ester; In the fatty acid polyethylene glycol ester one or more.
Dispersant can be one or more in alkylnaphthalene sulfonate, polycarboxylate, sodium lignin sulfonate, sodium metnylene bis-naphthalene sulfonate, calcium lignosulfonate, Sodium Polyacrylate, alkyl naphthalene sulfonic acid condensation polymer sodium salt, the sodium methylene bis-naphthalene sulfonate formaldehyde condensation products in the said insecticides adjuvant.
Wetting agent is selected from one or more in Negel, lauryl sodium sulfate, Teepol, neopelex, fatty alcohol polyglycol ether sulphate, AEO, NPE, sorbitan fatty acid ester APEO, Fluhyzon formaldehyde condensation products, the alkylnaphthalene sulfonate in the said insecticides adjuvant.
Thickener in the said insecticides adjuvant can be xanthans, polyvinyl alcohol, sodium alginate, diatomite, starch, kaolin or organobentonite etc., can also be this area other thickeners commonly used.
Antifreezing agent in the said insecticides adjuvant can be propane diols, ethylene glycol, glycerine or urea etc., can also be this area other antifreezing agents commonly used.
Antifoaming agent is tributyl phosphate or silicone etc. in the said insecticides adjuvant, can also be this area other antifoaming agents commonly used.
Herbicidal combinations of the present invention is mainly used in management of weeds in the rice field; Like barnyard grass grass, moleplant seed, lady's-grass, eleusine indica, rice Li Shi standing grain, Herba Cyperi Glomerati, difformed galingale herb, Monochoria vaginalis, needle spikesedge herb, bur beggar-ticks, Monochoria korsakowii, rhizoma alismatis, short arrowhead, angustifolia arrowhead herb, Eclipta prostrata, pondweed, mexicana, firefly Lin, duckweed, floating life water starwort, little najas marina etc., but be not limited to above-mentioned weeds.
The present invention possesses following beneficial effect:
Composition pesticide provided by the invention shows obvious synergistic effect in certain ratio range, the herbicidal effect of composition is significantly improved than single agent.Reduced pesticide cost and to the adverse effect of ecotope, it has applied huge social benefit and economic benefit.
Use that this herbicidal composition adopts pyrazosulfuron Yu oxazole acyl grass amine is mixed; This two components mechanism of action is different; So having the wider grass that kills composes and excellent more synergy control efficiency; Pyrazosulfuron remedies oxazole acyl grass amine to broad leaved weed, shortcoming that the sedge weed preventive effect is low, only needs an a drug just can prevent and kill off rice field broad leaved weed, grassy weed and sedge weed effectively, during use to paddy growth safety; Also can delay or overcome the drug-fast generation of rice weed, help agricultural synthesis and administer.
[embodiment]
The invention discloses the paddy rice complex weedicide of a kind of Bao Han oxazole acyl grass amine and two kinds of active components of pyrazosulfuron, those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is that all similarly replace and change apparent to those skilled in the art, they all are regarded as and are included in the present invention.Product of the present invention and application are described through preferred embodiment; The related personnel obviously can change or suitably change and combination methods and applications as herein described in not breaking away from content of the present invention, spirit and scope, realizes and use technology of the present invention.
FORMULATION EXAMPLE 1: wetting powder
Prepare 30% oxazole acyl metazachlor Sulfometuron Methyl wetting powder, take by weighing active ingredient and auxiliary element respectively by following proportioning, through preceding mixing, comminution by gas stream, after mix, promptly get said wetting powder.
FORMULATION EXAMPLE 2: wetting powder
Prepare 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder, take by weighing active ingredient and auxiliary element respectively by following proportioning, through preceding mixing, comminution by gas stream, after mix, promptly get said wetting powder.
FORMULATION EXAMPLE 3: water dispersible granules
Prepare 80% oxazole acyl metazachlor Sulfometuron Methyl water dispersible granules, take by weighing active ingredient and auxiliary element respectively by following proportioning, through preceding mixing, comminution by gas stream, after mix, add water kneading, granulation, screening, promptly get said water dispersible granules.
FORMULATION EXAMPLE 4: water dispersible granules
Prepare 65% oxazole acyl metazachlor Sulfometuron Methyl water dispersible granules, take by weighing active ingredient and auxiliary element respectively by following proportioning, through preceding mixing, comminution by gas stream, after mix, add water kneading, granulation, screening, promptly get said water dispersible granules.
FORMULATION EXAMPLE 5: oil suspending agent
Prepare 24% oxazole acyl metazachlor Sulfometuron Methyl oil suspending agent, take by weighing active ingredient and auxiliary element respectively, pulverize, be in harmonious proportion, promptly get said oil suspending agent through high speed shear dispersion, sand milling by following proportioning.
FORMULATION EXAMPLE 6: oil suspending agent
Prepare 40% oxazole acyl metazachlor Sulfometuron Methyl oil suspending agent, take by weighing active ingredient and auxiliary element respectively by following proportioning, through preceding mixing, comminution by gas stream, after mix, add water kneading, granulation, screening, both said granula.
Give birth to and survey embodiment:
Killing weeds in rice field field control effectiveness test I:
1, test is handled
(1) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (1: 3.3) 50g/ mu
(2) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (8: 3) 50g/ mus
(3) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (9: 2) 50g/ mus
(4) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (10: 1) 50g/ mus
(5) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (30: 1) 50g/ mus
(6) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (70: 1) 50g/ mus
(7) 10% oxazole acyls grass amine missible oil 55g/ mu
(8) 10% pyrazosulfuron wetting powder 55g/ mus
8 processing are established in test, and 4 repetitions are handled sub-districts for totally 32,20 square metres of every processing sub-district areas, and district's group is arranged at random.(1)～(6) oxazole acyl metazachlor Sulfometuron Methyl wetting powders (Shandong Binnong Technology Co., Ltd.'s production) are for supplying the reagent agent, and 10% oxazole acyl grass amine missible oil and 10% pyrazosulfuron wetting powder are the contrast medicament.Convert 30 kilograms in water for every mu, adopt 552 third type sprayers (0.7mm aperture) even spraying.The field main weeds has barnyard grass grass, moleplant seed, lady's-grass, Monochoria vaginalis, Procumbent Falsepimpernel, angustifolia arrowhead herb etc.
2, pilot project and method
(1) safety: after the dispenser, the situation of growing of investigation paddy rice is estimated and is supplied the safety of reagent agent to paddy rice.
(2) herbicidal effect: every sub-district is got 4 points at random, investigates 1/4 square metre at every, and 30 days investigation weed control efficacies write down weeds kind and strain number respectively after the dispenser, calculate weeds strain preventive effect.
(3) result of the test
Safety: the dispenser " Invest, Then Investigate ", chemicals treatment district rice plant height, Ye Se and blank district basically identical show to supply reagent agent (1)～(6) oxazole acyl metazachlor Sulfometuron Methyl wetting powder all to rice safety.
Herbicidal effect: see Table I.
30 days various weed control efficacies behind the Table I medicine
Annotate: (1) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (1: 3.3)
(2) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powders (8: 3)
(3) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powders (9: 2)
(4) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powders (10: 1)
(5) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powders (30: 1)
(6) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powders (70: 1)
(7) 10% oxazole acyls grass amine missible oil
(8) 10% pyrazosulfuron wetting powders
Can know by Table I; Different proportioning De oxazole acyl metazachlor Sulfometuron Methyl wetting powders to common weed strain preventive effect between 66.23～96.38%; All be superior to contrasting careless amine of Qi Zhong oxazole acyl of medicament 10% oxazole acyl grass amine missible oil and 10% pyrazosulfuron wetting powder (weeds strain preventive effect is respectively 57.12% and 56.01%) and pyrazosulfuron weight ratio and be 8: 3 and 10: 1 all remarkable to rice field common weed preventive effect; Weeds strain preventive effect is all at 80% above ， Er oxazole acyl grass amine: pyrazosulfuron=9: 2 o'clock preventive effects are especially up to more than 96%.Oxazole acyl grass amine and pyrazosulfuron weight ratio are in 1: 3.3～70: 1 scopes; The common grass family in rice field, broad-leaved and sedge weed all there is preventive effect; Lasting period can control the crop smothering of rice field whole growth phase basically, and this herbicidal composition was to rice safety greater than one month.
Killing weeds in rice field field control effectiveness test II:
1, test is handled
(1) 20% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (9: 2) 27.5g/ mu
(2) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (9: 2) 50g/ mus
(3) 50% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (9: 2) 11g/ mus
3 processing are established in test, and 4 repetitions are handled sub-districts for totally 12,20 square metres of every processing sub-district areas, and district's group is arranged at random.(1)～(3) oxazole acyl metazachlor Sulfometuron Methyl wetting powders (Shandong Binnong Technology Co., Ltd.'s production) are converted 30 kilograms in water for every mu for supplying the reagent agent, adopt 552 third type sprayers (0.7mm aperture) even spraying.The field main weeds has barnyard grass grass, moleplant seed, lady's-grass, Monochoria vaginalis, Procumbent Falsepimpernel, angustifolia arrowhead herb etc.
2, pilot project and method
Herbicidal effect: every sub-district is got 4 points at random, investigates 1/4 square metre at every, and 30 days investigation weed control efficacies write down weeds kind and strain number respectively after the dispenser, calculate weeds strain preventive effect.
Result of the test: herbicidal effect is seen Table II.
30 days various weed control efficacies behind the Table II medicine
Annotate: (1) 20% oxazole acyl metazachlor Sulfometuron Methyl wetting powder (9: 2)
(2) 11% oxazole acyl metazachlor Sulfometuron Methyl wetting powders (9: 2)
(3) 50% oxazole acyl metazachlor Sulfometuron Methyl wetting powders (9: 2)
Can know that by Table II is when the weight ratio of oxazole acyl grass amine and pyrazosulfuron is 9: 2; All when 95% above Biao Ming oxazole acyl grass amine and pyrazosulfuron weight ratio are optimal proportion, the herbicidal composition of different activities component content all has significant preventive effect to weeds to different content De oxazole acyl metazachlor Sulfometuron Methyl wetting powder to common weed strain preventive effect.
Give birth to after test tests the result and show that oxazole acyl grass amine and pyrazosulfuron are composite; Two active component ratios are between 1: 3.3～70: 1, and the weight percentage in herbicidal composition is in 1～85% scope, compare with single agent separately; Preventive effect to weeds is significantly improved, and has reached the purpose of preventing and kill off broad leaved weed, sedge weed and grassy weed simultaneously.
Claims (6)
1. herbicidal composition; It is characterized in that this herbicidal composition comprises a and two kinds of active components of b, active component a Shi oxazole acyl grass amine wherein, active component b is a pyrazosulfuron; The weight ratio of a and b is 1: 3.3～70: 1, and preferred weight ratio is 1: 1.7～40: 1.
2. herbicidal composition according to claim 1 is characterized in that the mass percent of active component in herbicidal composition is 1～85%.
3. according to claim 1 and 2 described herbicidal compositions, it is characterized in that in the said composition except that active ingredient, also containing agricultural and going up acceptable insecticides adjuvant.
4. herbicidal composition according to claim 3 is characterized in that described insecticides adjuvant is one or more in the auxiliary agents such as carrier, solvent, emulsifier, wetting agent, dispersant, thickener, antifoaming agent, antifreezing agent.
5. according to the said herbicidal composition of claim 1, it is characterized in that said composition Shi Yi oxazole acyl grass amine and pyrazosulfuron are any multi-form operational formulation that active component is processed.
6. according to the described herbicidal composition of claim 1～5, it is characterized in that being used for preventing and kill off rice field broad leaved weed, sedge weed and grassy weed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101330217A CN102792954A (en) | 2011-05-23 | 2011-05-23 | Herbicide composition including metamifop and pyrazosulfuron-ethyl |
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| CN2011101330217A CN102792954A (en) | 2011-05-23 | 2011-05-23 | Herbicide composition including metamifop and pyrazosulfuron-ethyl |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106106466A (en) * | 2016-07-13 | 2016-11-16 | 浙江天丰生物科学有限公司 | A kind of containing metamifop and different grass pine herbicidal composition |
| CN108235993A (en) * | 2016-12-27 | 2018-07-03 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003024224A2 (en) * | 2001-09-20 | 2003-03-27 | Syngenta Participations Ag | Herbicidal composition |
| CN101822258A (en) * | 2010-05-18 | 2010-09-08 | 东莞市瑞德丰生物科技有限公司 | Weeding composition |
| CN102113503A (en) * | 2010-12-30 | 2011-07-06 | 苏州富美实植物保护剂有限公司 | Herbicide composite used in paddy field |
-
2011
- 2011-05-23 CN CN2011101330217A patent/CN102792954A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003024224A2 (en) * | 2001-09-20 | 2003-03-27 | Syngenta Participations Ag | Herbicidal composition |
| CN101822258A (en) * | 2010-05-18 | 2010-09-08 | 东莞市瑞德丰生物科技有限公司 | Weeding composition |
| CN102113503A (en) * | 2010-12-30 | 2011-07-06 | 苏州富美实植物保护剂有限公司 | Herbicide composite used in paddy field |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106106466A (en) * | 2016-07-13 | 2016-11-16 | 浙江天丰生物科学有限公司 | A kind of containing metamifop and different grass pine herbicidal composition |
| CN108235993A (en) * | 2016-12-27 | 2018-07-03 | 江苏龙灯化学有限公司 | A kind of Herbicidal combinations and its application |
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Application publication date: 20121128 |