CN104041501B - Herbicidal combinations - Google Patents
Herbicidal combinations Download PDFInfo
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- CN104041501B CN104041501B CN201410178951.8A CN201410178951A CN104041501B CN 104041501 B CN104041501 B CN 104041501B CN 201410178951 A CN201410178951 A CN 201410178951A CN 104041501 B CN104041501 B CN 104041501B
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- herbicidal combinations
- clomazone
- prometryn
- isopropyl methoxalamine
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- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 32
- 239000005499 Clomazone Substances 0.000 claims abstract description 29
- KIEDNEWSYUYDSN-UHFFFAOYSA-N clomazone Chemical compound O=C1C(C)(C)CON1CC1=CC=CC=C1Cl KIEDNEWSYUYDSN-UHFFFAOYSA-N 0.000 claims abstract description 29
- AAEVYOVXGOFMJO-UHFFFAOYSA-N prometryn Chemical compound CSC1=NC(NC(C)C)=NC(NC(C)C)=N1 AAEVYOVXGOFMJO-UHFFFAOYSA-N 0.000 claims abstract description 28
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims abstract description 27
- 244000207740 Lemna minor Species 0.000 claims abstract description 19
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- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 claims description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 2
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- WVQBLGZPHOPPFO-UHFFFAOYSA-N 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(1-methoxypropan-2-yl)acetamide Chemical compound CCC1=CC=CC(C)=C1N(C(C)COC)C(=O)CCl WVQBLGZPHOPPFO-UHFFFAOYSA-N 0.000 description 2
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- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Herbicidal combinations, comprise isopropyl methoxalamine, clomazone and prometryn three kinds of active components, the mass ratio of isopropyl methoxalamine, clomazone and prometryn three kinds of active components is 1:1.5-2.5:5-7.Present invention employs isopropyl methoxalamine, clomazone and prometryn composite, there is obvious spread spectrum synergistic effect, very high preventive effect is had to weeds such as duckweed, water silk floss, barnyard grass, lady's-grass, weeding speed is fast, obviously can reduce dosage, thus play environmental protect, improve the safety of food, favourable cost declining, volume increase, tally with the national condition.
Description
Technical field
The invention belongs to technical field of pesticide, especially relate to a kind of herbicidal composition preventing and treating duckweed and water silk floss for paddy field and lotus rhizome field.
Background technology
Current paddy field and lotus rhizome Tanaka duckweed and water silk floss occur in some areas large area, the chemical control do not had, conventional herbicide for paddy field does not all have control efficiency, is used alone a kind of weed killer herbicide and has that herbicide spectrum is narrow, effect is undesirable, high expensive, weeds easily produce the situations such as resistance.For these present situations, in the urgent need to developing the novel herbicide products being applied to paddy field and lotus rhizome field.And higher preventive effect to be had to duckweed and water silk floss.
Summary of the invention
The present invention, in order to overcome prior art deficiency, provides one to crop safety and environmentally friendly, adaptable compound Herbicidal combinations.
To achieve these goals, the present invention is by the following technical solutions: a kind of Herbicidal combinations, comprise isopropyl methoxalamine, clomazone and prometryn three kinds of active components, the mass ratio of isopropyl methoxalamine, clomazone and prometryn three kinds of active components is 1:1.5-2.5:5-7.
It also comprises dispersant 3-10 part.
Further, it also comprises emulsifier 3-8 part.
It also comprises filler 30-90 part.
As preferably, described dispersant is selected from NNO, pulls open powder, one or more combination in dodecyl sodium sulfate, sodium lignin sulfonate or calcium.
Described emulsifier is APEO.
Described filler is selected from one or more the combination in kaolin, diatomite, fine particle calcium carbonate, white carbon, perlite.
As preferably, its formulation can be water dispersible granules or granule.
It is continuous that it is applicable to paddy field and lotus rhizome field control duckweed and water.
Isopropyl methoxalamine (Metolachlor), belongs to amide-type selective herbicide, absorbs mainly through young shoot, the protein synthesis of sprout inhibition seed, and secondly suppress choline to infiltrate phosphatide, interference lecithin is formed.The energy force rate broad leaved weed that grassy weed young shoot absorbs isopropyl methoxalamine is strong, and thus it is much better than broad leaved weed to the preventive effect of grassy weed.Be applicable to dry crop, vegetable crop and orchard, nursery and prevent and kill off the annual gramineous weeds such as eleusine indica, lady's-grass, green foxtail and the broad leaved weed such as three-coloured amaranth, kitchen garden and cyperus iria, Herba Cyperi Glomerati.
Clomazone (Clomazone), has another name called clomazone.It is a kind of selectivity pigment suppressive preemergence herbicide developed by FMC Corp. of the U.S. for 1984, absorb by root, young shoot, each position of plant is upwards transmitted to transpiration, chlcrophyll biosynthesis is suppressed in sensitive plant body, although can rudiment be unearthed, but non-pigment, albefaction, dead in a short time.Clomazone mainly prevents and kill off broad leaved weed and grassy weed, may be used for the weeding of soybean, cotton, cassava, corn, rape, sugarcane and Tobacco Farm etc.
Prometryn (Prometryn), belongs in triazine and inhales selective herbicide.Can absorb through root and leaf and conduct.Best to the Weed-control effect just sprouted, broad weed-killing spectrum, is applicable to cotton, soybean, wheat class, peanut, sunflower, potato, fruit tree, vegetables, tea tree prevents and kill off annual gramineae and the broadleaved herbs such as barnyard grass, lady's-grass, moleplant seed, emarginate amaranth herb or seed, knotweed, lamb's-quarters, kitchen garden, amur foxtail, chickweed, Asiatic plantain.
The invention solves isopropyl methoxalamine, clomazone and prometryn to be used alone and to prevent and kill off herbicide in paddy field and lotus rhizome field weed process and compose not wide, that farm chemical ingredients is higher situation; And solve the situation of the continuous difficult control of paddy field and lotus rhizome Tanaka malignant weed duckweed and water.
In sum, the present invention has the following advantages: present invention employs isopropyl methoxalamine, clomazone and prometryn composite, there is obvious spread spectrum synergistic effect, have very high preventive effect to weeds such as duckweed, water silk floss, barnyard grass, lady's-grass, weeding speed is fast, obviously can reduce dosage, thus play environmental protect, improve the safety of food, favourable cost declining, volume increase, tally with the national condition.
Embodiment
Below in conjunction with embodiment, the present invention is further described:
Example of formulations 1:
Isopropyl methoxalamine 5 kilograms of clomazones 11 kilograms, prometryn 30 kilograms, dispersant B X is 3 kilograms, and agricultural dispersants NNO is 5 parts, APEO 5%, white carbon 15 kilograms, kaolin 35 kilograms, above-mentioned raw materials through mixing, add water after air-flow crushing kneadings, granulation oven dry, obtains described 46% isopropyl methoxalamine clomazone prometryn water dispersible granules.
Example of formulations 2:
Isopropyl methoxalamine 0.5 kilogram of ， clomazone 0.9 kilogram, prometryn 2.6 kilograms, dispersant NNO5 kilogram, APEO 8.5 kilograms, perlite 5 kilograms, bentonite 20 kilograms, kaolin 60 kilograms.Above-mentioned raw materials first former for prometryn medicine is crossed air-flow crushing, after add its raw material of base and to add water kneading, granulation, screening, obtain described 4% isopropyl methoxalamine clomazone prometryn granule.
Raw survey embodiment:
Isopropyl methoxalamine, clomazone and prometryn mixture are prevented and kill off duckweed toxicity determination test and are reported.
Test objective: under greenhouse pot culture condition, determine isopropyl methoxalamine, clomazone and prometryn mixture to the control efficacy of duckweed, and have rated its synergy, for the formulation development of Mixed Pharmacy and agriculture chemical registration field control effectiveness test provide scientific theory foundation.
For examination target: duckweed (CommomDuckweed)
Test medicine: the former medicine of prometryn (Prometryn) 95%, the former medicine of the former medicine ， clomazone (Clomazone) 96% of isopropyl methoxalamine (Metolachlor) 96%.
Medicament is prepared: accurately take a certain amount of former medicine, select suitable organic solvent dissolution to be made into mother liquor, becomes test dose to process by arranging the distilled water diluting of dosage containing 0.1% Tween-80.
Test method: adopt hot-house culture method (NY/T1155.7-2006), field gathers for examination duckweed outdoor, rinses well, the box-packed 500ml culture fluid of 260*175*80mm plastic culture with clear water, then add appropriate duckweed (in each cultivation box, duckweed quantity is consistent), put greenhouse and normally cultivate.Pesticide-clay mixture method is spread fertilizer over the fields, and often 4 repetitions are established in process, separately establish and do not compare containing chemicals treatment.Process in rearmounted greenhouse and cultivate, routine observation test reaction symptom.
Investigation method: after process, 15d estimates target damage symptoms and growth inhibition situation, and claims duckweed fresh weight, calculates fresh weight inhibition (%), evaluates medicament to the toxicity action of target with fresh weight inhibition.
Fresh weight inhibition P(%)=(contrast fresh weight-process fresh weight)/contrast fresh weight * 100
Synergy evaluation method:
Adopt Colby method to test to the activity after three kinds of pharmacy mix, mixture calculation of effect formula is: e0=a*b*c/100 (3-1), and in formula, a represents the actual measurement weeds survival rate of medicament 1; B represents the actual measurement weeds survival rate of medicament 2; C represents the actual measurement weeds survival rate of medicament 3; E0=weed killer herbicide 1 survival rate+weed killer herbicide 2 survival rates+weed killer herbicide 3 weeds survival rate; E is the actual measurement weeds survival rate after a, b, c use with;
Test calculates usually with Weed-control effect (i.e. lethality), improved mortality formula is converted into: E0=100-(100-A) * (100-B) * (100-C)/100 (3-1) according to Colby method, in formula, A represents the actual measurement preventive effect of medicament 1; B represents the actual measurement preventive effect of medicament 2; C represents the actual measurement preventive effect of medicament 3; E0=weed killer herbicide 1 preventive effect+weed killer herbicide 2 preventive effects+weed killer herbicide 3 preventive effect; E is the actual measurement preventive effect after A, B, C use with; As E-E0 > 10%, illustrate that the medicament after mixture produces synergistic effect; As E-E0 <-10%, illustrate that the medicament after mixture produces antagonism; And when the value of E-E0 is between ± 10% time, illustrate that the medicament after mixture produces summation action.
Table 1:
Isopropyl methoxalamine, clomazone is mixed with prometryn prevents and kill off duckweed toxicity.
Evaluating drug effect: isopropyl methoxalamine, clomazone and prometryn and mixture composition thereof to the preventive effect toxicity result of the test of duckweed in table 1.Visible, isopropyl methoxalamine, clomazone and prometryn are respectively with 60-120-180ga.i/hm
2, 90-150-210ga.i/hm
2and 300-420-540ga.i/hm
2mixture composition produces obvious synergistic effect to duckweed.The mixtures' ratio dosage range of isopropyl methoxalamine, clomazone and prometryn is in 60:90 ~ 150:300 ~ 540(and 1:1.5 ~ 2.5:5 ~ 7) between.
Implementation of an application example:
Lotus rhizome field weed field control effectiveness test prevented and treated by isopropyl methoxalamine, clomazone and prometryn.
1 test process
Test medicine:
(1) 46% isopropyl methoxalamine clomazone prometryn water dispersible granules (5:11:30), 80g/ mu;
(2) 4% isopropyl methoxalamine clomazone prometryns granule (0.5:0.9:2.6), 900g/ mu;
(3) 40% prometryn wetting powders;
(4) 72% isopropyl methoxalamine missible oil;
(5) 480g/L clomazone missible oil.
5 process are established in test, repeat for 4 times, and totally 20 process communities, often process plot area 20m
2, random district group arranges.Embodiment 1, embodiment 2 are reagent agent, are provided by Zhejiang Tianfeng Biological Science Co., Ltd..40% prometryn wetting powder, 72% isopropyl methoxalamine missible oil and 480g/L clomazone missible oil are experimental control medicament.Each medicament employing pesticide-clay mixture method is mixed thin sand and soil and is evenly spread fertilizer over the fields in each experimental plot.
Spraying time: lotus rhizome founds leaf and grows water surface 10-30cm, between field duckweed a large amount of emergence period.
30 days post processing weeds fresh weight preventive effects after experimental investigation process.
Preventive effect (%)=clear water control group weeds fresh weight-processed group weeds fresh weight/clear water control group weeds fresh weight * 100.
2 pilot projects and method
(1) safety: after dispenser, the situation of growing of investigation lotus rhizome, evaluates reagent agent to the safety of lotus rhizome
(2) herbicidal effect: every community gets 4 points at random, often some investigation 0.25m
2, dispenser 30 days " Invest, Then Investigate " Weed-control effect, record weeds kind and fresh weight respectively, calculate weeds fresh weight preventive effect.
(3) result of the test
Safety: dispenser " Invest, Then Investigate ", chemicals treatment district lotus rhizome plant height, Ye Se and blank are basically identical, show that reagent agent embodiment 1, embodiment 2 are all to lotus rhizome safety.
Herbicidal effect: in table 2.
Table 2:
30 days various weed control efficacies after medicine
As shown in Table 2, embodiment 1, embodiment 2 preparation, are all better than contrasting medicament to the fresh weight preventive effect of lotus rhizome field common weed between 90.45 ~ 99.49%.It has good preventive effect to the common grass family in lotus rhizome field, broad leaved weed, and the lasting period is long, substantially can control the crop smothering in lotus rhizome field whole vegetative period, and this herbicidal composition is to lotus rhizome safety.
Obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Claims (9)
1. a Herbicidal combinations, is characterized in that: comprise isopropyl methoxalamine, clomazone and prometryn three kinds of active components, and the mass ratio of isopropyl methoxalamine, clomazone and prometryn three kinds of active components is 1:1.5-2.5:5-7.
2. Herbicidal combinations according to claim 1, is characterized in that: it also comprises dispersant 3-10 part.
3. Herbicidal combinations according to claim 1, is characterized in that: it also comprises emulsifier 3-8 part.
4. Herbicidal combinations according to claim 1, is characterized in that: it also comprises filler 30-90 part.
5. Herbicidal combinations according to claim 2, is characterized in that: described dispersant is selected from NNO, pulls open powder, one or more combination in dodecyl sodium sulfate, sodium lignin sulfonate or calcium.
6. Herbicidal combinations according to claim 3, is characterized in that: described emulsifier is APEO.
7. Herbicidal combinations according to claim 4, is characterized in that: described filler is selected from one or more the combination in kaolin, diatomite, fine particle calcium carbonate, white carbon, perlite.
8. Herbicidal combinations according to claim 1, is characterized in that: its formulation can be water dispersible granules or granule.
9. the Herbicidal combinations according to any one of claim 1-8, is characterized in that: it is continuous that it is applicable to paddy field and lotus rhizome field control duckweed and water.
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|---|---|---|---|
| CN201410178951.8A CN104041501B (en) | 2014-04-30 | 2014-04-30 | Herbicidal combinations |
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| CN201410178951.8A CN104041501B (en) | 2014-04-30 | 2014-04-30 | Herbicidal combinations |
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| CN104041501B true CN104041501B (en) | 2015-11-18 |
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|---|---|---|---|---|
| CN106937638A (en) * | 2017-04-26 | 2017-07-11 | 山东奥坤生物科技有限公司 | A kind of Herbicidal combinations of Han clomazones and its application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180993A (en) * | 1995-04-12 | 1998-05-06 | 诺瓦提斯公司 | Synergistic herbicidal compositions of metolachlop |
| DE10351214A1 (en) * | 2003-06-30 | 2004-04-08 | Syngenta Participations Ag | Composition for selective weed control in herbicide-tolerant cotton crops, containing synergistic herbicidal combination of pyridinesulfonyl-urea compound salt and e.g. glyphosate, metolachlor or trifluralin |
| CN103380773A (en) * | 2012-05-04 | 2013-11-06 | 浙江天丰生物科学有限公司 | Lotus-rhizome-field herbicide composition containing clomazone and metolachlor |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180993A (en) * | 1995-04-12 | 1998-05-06 | 诺瓦提斯公司 | Synergistic herbicidal compositions of metolachlop |
| DE10351214A1 (en) * | 2003-06-30 | 2004-04-08 | Syngenta Participations Ag | Composition for selective weed control in herbicide-tolerant cotton crops, containing synergistic herbicidal combination of pyridinesulfonyl-urea compound salt and e.g. glyphosate, metolachlor or trifluralin |
| CN103380773A (en) * | 2012-05-04 | 2013-11-06 | 浙江天丰生物科学有限公司 | Lotus-rhizome-field herbicide composition containing clomazone and metolachlor |
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| CN104041501A (en) | 2014-09-17 |
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