CN104041501A - Weeding composition - Google Patents
Weeding composition Download PDFInfo
- Publication number
- CN104041501A CN104041501A CN201410178951.8A CN201410178951A CN104041501A CN 104041501 A CN104041501 A CN 104041501A CN 201410178951 A CN201410178951 A CN 201410178951A CN 104041501 A CN104041501 A CN 104041501A
- Authority
- CN
- China
- Prior art keywords
- clomazone
- prometryn
- herbicidal combinations
- combinations according
- duckweed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- 238000009333 weeding Methods 0.000 title abstract description 6
- 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 27
- 244000207740 Lemna minor Species 0.000 claims abstract description 20
- 235000006439 Lemna minor Nutrition 0.000 claims abstract description 19
- 235000001855 Portulaca oleracea Nutrition 0.000 claims abstract description 19
- 238000009472 formulation Methods 0.000 claims abstract description 5
- 230000002363 herbicidal effect Effects 0.000 claims description 30
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 24
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- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 17
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- 229910052791 calcium Inorganic materials 0.000 claims description 2
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- 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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- 239000003814 drug Substances 0.000 abstract description 23
- 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 abstract description 5
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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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- 235000012216 bentonite Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 1
- 229960001231 choline Drugs 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding composition which comprises three active components, namely metolachlor, clomazone and prometryn. Mass ratio of metolachlor to clomazone to prometryn is 1:1.5-2.5:5-7. By complex formulation of metolachlor, clomazone and prometryn, the weeding composition has an obvious spread spectrum synergy, has a high effect of preventing weeds such as duckweed, Spirogyra, barnyard grass, digitaria sanguinalis and the like, can remove weeds rapidly, can be used to obviously reduce drug dosage. Thus, the environment is improved; food safety is raised; and the weeding composition is beneficial to cost reduction and yield increasing, and is in accordance with national conditions in China.
Description
technical field
The invention belongs to technical field of pesticide, especially relate to a kind of herbicidal composition for paddy field and lotus rhizome field control duckweed and water silk floss.
Background technology
Paddy field and lotus rhizome Tanaka duckweed and water silk floss occur in some areas large area at present, the chemical control not had, conventional herbicide for paddy field does not all have control efficiency, uses separately a kind of weed killer herbicide to have 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 weed killer herbicide product that is applied to paddy field and lotus rhizome field.And to there is higher preventive effect to duckweed and water silk floss.
Summary of the invention
The present invention is in order to overcome prior art deficiency, provides a kind of 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 three kinds of active components of isopropyl methoxalamine, clomazone and prometryn, the mass ratio of isopropyl methoxalamine, clomazone and three kinds of active components of prometryn 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 the 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, mainly by young shoot, absorbs, and the protein of sprout inhibition seed is synthetic, and next suppresses choline and infiltrates phosphatide, disturbs lecithin to form.The energy force rate broad leaved weed that grassy weed young shoot absorbs isopropyl methoxalamine is strong, thereby its preventive effect to grassy weed is much better than broad leaved weed.Be applicable to dry crop, vegetable crop and orchard, nursery and prevent and kill off the broad leaved weeds such as the annual gramineous weeds such as eleusine indica, lady's-grass, green foxtail and 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 inhibition type preemergence herbicide of 1984 Nian You U.S. FMC Corp. exploitation, can absorb by root, young shoot, with transpiration, be upwards transmitted to each position of plant, in sensitive plant body, suppress chlcrophyll biosynthesis, although can rudiment be unearthed, but non-pigment, albefaction, dead in a short time.Clomazone is mainly prevented and kill off broad leaved weed and grassy weed, can be for the weeding of soybean, cotton, cassava, corn, rape, sugarcane and Tobacco Farm etc.
Prometryn (Prometryn), belongs to suction selective herbicide in triazine.Can absorb and conduct through root and leaf.Weeds preventive effect to firm sprouting is best, broad weed-killing spectrum, is applicable to cotton, soybean, wheat class, peanut, sunflower, potato, fruit tree, vegetables, tea tree and 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 and use separately the situation that in paddy field and lotus rhizome field weed process, herbicide spectrum is not wide, farm chemical ingredients is higher of preventing and kill off; And solved 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: the present invention adopted isopropyl methoxalamine, clomazone and prometryn composite, there is obvious spread spectrum synergistic effect, the weeds such as duckweed, water silk floss, barnyard grass, lady's-grass are had to very high preventive effect, and weeding speed is fast, can obviously reduce dosage, thereby play, improve environment, improve the safety of food, favourablely fall cost, volume increase, tally with the national condition.
Embodiment
Below in conjunction with embodiment, the present invention is further described:
FORMULATION EXAMPLE 1:
11 kilograms of 5 kilograms of clomazones of isopropyl methoxalamine, 30 kilograms of prometryns, dispersant B X is 3 kilograms, and agricultural dispersants NNO is 5 parts, APEO 5%, 15 kilograms of white carbons, 35 kilograms of kaolin, above-mentioned raw materials adds water after mixing, air-flow crushing to be mediated, and granulation is dried, and obtains described 46% isopropyl methoxalamine clomazone prometryn water dispersible granules.
FORMULATION EXAMPLE 2:
0.9 kilogram of 0.5 kilogram of ， clomazone of isopropyl methoxalamine, 2.6 kilograms of prometryns, 5 kilograms of dispersant NNO, 8.5 kilograms of APEOs, 5 kilograms of perlites, 20 kilograms of bentonites, 60 kilograms of kaolin.Above-mentioned raw materials first the former medicine of prometryn is crossed air-flow crushing, after add its raw material of base to add water kneading, granulation, screening, obtain described 4% isopropyl methoxalamine clomazone prometryn granule.
The raw embodiment that surveys:
Isopropyl methoxalamine, clomazone and prometryn are mixed and prevent and kill off the report of duckweed toxicity determination test.
Test objective: under greenhouse pot culture condition, measured the control efficacy that isopropyl methoxalamine, clomazone and prometryn are mixed to duckweed, and evaluated its synergy, for formulation development and the agriculture chemical registration field control effectiveness test of Mixed Pharmacy provides scientific theory foundation.
For trying target: duckweed (Commom Duckweed)
Test medicine: prometryn (Prometryn) 95% former medicine, the former medicine ， clomazone of isopropyl methoxalamine (Metolachlor) 96% (Clomazone) 96% former medicine.
Medicament preparation: accurately take a certain amount of former medicine, select suitable organic solvent dissolution to be made into mother liquor, become test dose to process by dosage is set with the distilled water diluting containing 0.1% Tween-80.
Test method: adopt hot-house culture method (NY/T 1155.7-2006), from outdoor field, gather for examination duckweed, with clear water, rinse well, the box-packed 500ml culture fluid of 260*175*80mm plastic culture, 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 4 repetitions are established in every processing, does not separately establish and compares containing chemicals treatment.Process in rearmounted greenhouse and cultivate, routine observation test reaction symptom.
Investigation method: be injured symptom and growth inhibition situation of 15d range estimation target after processing, and claim duckweed fresh weight, and calculate fresh weight inhibiting rate (%), with fresh weight inhibiting rate, evaluate the toxicity action of medicament to target.
Fresh weight inhibiting rate P(%)=(contrast fresh weight-processing fresh weight)/contrast fresh weight * 100
Synergy evaluation method:
Activity after adopting Colby method to three kinds of pharmacy mix is tested, and the calculation of effect that is mixed 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 rates; E is the actual measurement weeds survival rate after a, b, c use with;
Test is calculated conventionally with weeds preventive effect (being lethality), according to Colby method, is converted into improved mortality formula: E0=100-(100-A) * (100-B) * (100-C)/100 (3-1), and 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 effects; E is the actual measurement preventive effect after A, B, C use with; When E-E0 > 10%, illustrate that the medicament after being mixed produces synergistic effect; When E-E0 <-10%, illustrate that the medicament after being mixed produces antagonism; And when the value of E-E0 is between ± 10% time, illustrate that the medicament after being mixed produces summation action.
Table 1:
Isopropyl methoxalamine, clomazone prevent and kill off duckweed toxicity mixed with prometryn.
Evaluating drug effect: isopropyl methoxalamine, clomazone and prometryn and the composition that is mixed 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
2the composition that is mixed produces obvious synergistic effect to duckweed.The mixtures' ratio dosage range of isopropyl methoxalamine, clomazone and prometryn is 1:1.5～2.5:5～7 at 60:90～150:300～540() between.
Implementation of an application example:
Isopropyl methoxalamine, clomazone and prometryn control lotus rhizome field weed field control effectiveness test.
1 test is processed
Test medicine:
(1) 46% isopropyl methoxalamine clomazone prometryn water dispersible granules (5:11:30), 80g/ mu;
(2) 4% isopropyl methoxalamine clomazone prometryn granules (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 processing are established in test, repeat for 4 times, process community, every processing community area 20m for totally 20
2, random district group is arranged.Embodiment 1, embodiment 2 are reagent agent, and by Zhejiang, Tian Feng Biology Science Co., Ltd provides.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: the vertical leaf of lotus rhizome grows water surface 10-30cm, and field duckweed is between a large amount of emergence periods.
Experimental investigation is processed latter 30 days post processing weeds fresh weight preventive effects.
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 the safety of reagent agent to lotus rhizome
(2) herbicidal effect: every community is got 4 points at random, every some investigation 0.25m
2, 30 days " Invest, Then Investigate " weeds preventive effects of dispenser, record respectively weeds kind and fresh weight, 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 preparations between 90.45～99.49%, are all better than contrasting medicament to the fresh weight preventive effect of lotus rhizome field common weed.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 lotus rhizome field crop smothering in 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, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining 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 three kinds of active components of prometryn, the mass ratio of isopropyl methoxalamine, clomazone and three kinds of active components of prometryn 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 the 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. according to the Herbicidal combinations described in any one in claim 1-8, it is characterized in that: it is continuous that it is applicable to paddy field and lotus rhizome field control duckweed and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178951.8A CN104041501B (en) | 2014-04-30 | 2014-04-30 | Herbicidal combinations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178951.8A CN104041501B (en) | 2014-04-30 | 2014-04-30 | Herbicidal combinations |
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| Publication Number | Publication Date |
|---|---|
| CN104041501A true CN104041501A (en) | 2014-09-17 |
| CN104041501B CN104041501B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410178951.8A Active CN104041501B (en) | 2014-04-30 | 2014-04-30 | Herbicidal combinations |
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| CN (1) | CN104041501B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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| 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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| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN104041501B (en) | 2015-11-18 |
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