CN103766354A - Weeding composition containing oxaziclomefone and bentazone - Google Patents
Weeding composition containing oxaziclomefone and bentazone Download PDFInfo
- Publication number
- CN103766354A CN103766354A CN201310667082.0A CN201310667082A CN103766354A CN 103766354 A CN103766354 A CN 103766354A CN 201310667082 A CN201310667082 A CN 201310667082A CN 103766354 A CN103766354 A CN 103766354A
- Authority
- CN
- China
- Prior art keywords
- bentazone
- oxaziclomefone
- oxazine humulone
- weeding composition
- herbicidal combinations
- 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
Abstract
The invention discloses a weeding composition containing oxaziclomefone and bentazone, which comprises effective components oxaziclomefone and bentazone and the balance of pesticide adjuvants. The mass ratio of the oxaziclomefone to the bentazone is 1:5-1:30, and the oxaziclomefone and bentazone account for 3-70 wt% of the weeding composition. The weeding composition can be prepared into dispersible oil suspending agent, suspending agent, wettable powder or water-dispersible granules according to application demands to prevent and eliminate annual weeds in rice fields. The weeding composition has better preventing and eliminating effects on rice annual weed than the single oxaziclomefone or bentazone, lowers the consumption of the pesticide, reduces the adverse effect of the pesticide on the ecological environment, and effectively solves the problem of drug resistance of weed.
Description
Technical field
The present invention relates to the Herbicidal combinations of a kind of Han You oxazine humulone and bentazone, Shi take oxazine humulone and bentazone as active ingredient, for preventing and treating paddy field annual weed.
Background technology
Chemical method weeding is one of upper Main Means of controlling weeds of agricultural.In recent years, because some weed killer herbicide kind large area are used separately, caused a lot of weeds to develop immunity to drugs.Meanwhile, grass when weeds occur is complicated mutually, grassy weed, broad leaved weed, the mixed life of nutgrass flatsedge multiclass weeds, and single variety weed killer herbicide uses can not solve farmland weed, all can show defect and limitation in a certain respect.Variety classes weed killer herbicide mixture, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, time and labour saving advantage.
Oxazine humulone belongs to organic heterocyclic class, is inner sucting conduction type herbicide for paddy field, is mainly absorbed by root and the cauline leaf base portion of weeds.Leaves and stems chlorosis after weeds contacts medicament, stop growing, until withered.
Bentazone is a kind of contact killing type, selectivity herbicide after seedling.Process seedling stage, contacted and worked by blade.When dry land is used, permeate and be transmitted to inhibited photosynthesis in chloroplast by blade; When paddy field is used, can also pass through Root Absorption, be transmitted to cauline leaf, hinder weeds photosynthesis and water metabolism, physiological function is lacked of proper care and lethal.
Variety classes weed killer herbicide mixture, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, time and labour saving advantage.Screening by formulation of pesticide, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay disease, worm, the drug-fast generation of crop smothering, is the important means that agricultural synthesis is administered.The formula screening of inventor's paroxazine humulone and bentazone conducts in-depth research, and Fa Xian oxazine humulone and bentazone have and are added or synergistic effect paddy field annual weed in certain mixed ratio scope, after further study, have completed the present invention.
Summary of the invention
The object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting is good and the lasting period is long, is conducive to the Herbicidal combinations of the farmland weed comprehensive regulation.
Another object of the present invention is to provide this Herbicidal combinations for preventing and kill off farmland weed, is particularly useful for paddy field annual weed.
Technical scheme: for achieving the above object, the invention provides the Herbicidal combinations of a kind of Han You oxazine humulone and bentazone, it comprises active ingredient oxazine humulone and bentazone; the ratio of quality and the number of copies of oxazine humulone and bentazone is 1:5～1:30; oxazine humulone and the mass percent of bentazone quality summation in Herbicidal combinations are 3%～70%, and all the other are insecticides adjuvant.
Herbicidal combinations of the present invention, is prepared into the one dispersibling in oil-suspending agent, suspending agent, wetting powder, water dispersible granules by pesticide production technology, the production technology of various application forms all belongs to existing known technology, does not repeat them here.
The insecticides adjuvant using in Herbicidal combinations of the present invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., all various auxiliary agents conventional in Pesticide formulation, concrete composition and consumption, according to formula requirement, are determined through simple test.
Herbicidal combinations provided by the invention, adopts spray method to use, and also can adopt as required other operation techniques of the upper application of agricultural.
Herbicidal combinations provided by the invention, should note in use following principle:
If 1 for rice direct seeding field, must dispenser in the time of one leaf heart stage of live the previous day or paddy rice.After dispenser, in 15 days, keep field face moistening, can not have ponding.While needing to pour water after rice seedling, water layer can not flood paddy rice lobus cardiacus.
If 2 for transplanted rice field and seedling throwing field, must 5-7 day dispenser after rice transplantation.When dispenser, there is water layer 3-5 centimetre in field, water conservation 5-7 days.Can only moisturizing during this, can not draining, water layer can not flood the Rice Leaf heart.
Herbicidal combinations provided by the invention has following beneficial effect:
1, Herbicidal combinations provided by the invention, in certain ratio range, show obvious synergy or summation action, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, reduce medication number of times, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope.
2, Herbicidal combinations provided by the invention, two kinds of active ingredient mechanism of action are different, can overcome long-term single use and easily produce the shortcoming of resistance, extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
3, Herbicidal combinations provided by the invention, use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
The present invention describes by following specific embodiment, but the invention is not restricted to following specific embodiment.In embodiment, each component percentage composition is quality percentage composition.
Biologicall test embodiment mono-: oxazine humulone and bentazone formulation screening test.
For further Xie oxazine humulone and the synergy of bentazone mixture to weeds, inventor's paroxazine humulone and bentazone mixture have been carried out formulation screening test:
Test material:
Barnyard grass [Echinochloa crusgalli (L.) Beaw Setaria] (field is collected seed and preserved).
Angustifolia arrowhead herb [Sagittaria trifolia] (field is collected seed and preserved).
Test apparatus:
Controlled illumination box; The accurate laboratory of POTTER spray tower; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method:
The purity that first takes certain mass is the former medicine of 96.5% oxazine humulone, 95% bentazone raw pesticide, add acetone fully to dissolve the Tween 80 aqueous solution dilution of rear use 0.1%, be mixed with respectively single dose mother liquor, according to mixture object, serial proportioning be set, each proportioning arranges 5～7 concentration gradients.Select representative susceptible weeds seed according to single dose herbicide spectrum, be cultured to 2 leaf 1 hearts for subsequent use.After selecting the weeds cauline leaf of numbering to process, be placed in illumination box incubated at room temperature 20 days, calculate control efficiency (fresh weight preventive effect or strain preventive effect), then with method of least squares calculate suppress in dense EC
50(95% confidence limit), then calculate co-toxicity coefficient (CTC) by the abundant method of Sun Yun.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) × 100
Theoretical toxicity index (TTI)=(percentage composition of A in toxicity index × mixture of A)+(percentage composition of B in toxicity index × mixture of B).
Co-toxicity coefficient (CTC)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 100.
Measurement result shows that ， oxazine humulone and bentazone, between mixed ratio 1:5～1:30, have obvious synergy or summation action.Bentazone Yu the mixed ratio of oxazine humulone in the time of 1:30, obvious to the synergistic effect of barnyard grass and angustifolia arrowhead herb, co-toxicity coefficient reaches respectively 135.41 and 156.92.
Table 1, different Pei measure the synergy of barnyard grass Bi oxazine humulone and bentazone.
Table 2, different Pei measure the synergy of angustifolia arrowhead herb Bi oxazine humulone and bentazone.
FORMULATION EXAMPLE one: (42% oxazine humulone bentazone wetting powder).
Above-mentioned formula is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make to mix and make 42% oxazine humulone bentazone wetting powder.
FORMULATION EXAMPLE two: (45% oxazine humulone bentazone dispersibles oil-suspending agent).
Above-mentioned formula Central Plains medicine, solvent, emulsifiers dissolve are become to even oil phase; Under high-speed stirred, mixing makes 45% oxazine humulone bentazone and dispersibles oil-suspending agent.
FORMULATION EXAMPLE three: (40% oxazine humulone bentazone suspending agent).
Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 40% oxazine humulone bentazone suspending agent.
FORMULATION EXAMPLE four: (50% oxazine humulone bentazone water dispersible granules).
By above-mentioned formula, dry pulverization process, granulation, dry, screening make 50% oxazine humulone bentazone water-dispersible granules in proportion.
Field control effectiveness test embodiment mono-: to the field control effectiveness test of transplanted rice field and live field annual weed.
Reagent agent and dispenser dosage:
(1) 42% oxazine humulone bentazone wetting powder (2% oxazine humulone 40% bentazone), mu 109.5 grams, preparation (1#).
(2) 45% oxazine humulone bentazones dispersible oil-suspending agent (1.5% oxazine humulone 43.5% bentazone), mu 101.3 grams, preparation (2#).
(3) 40% oxazine humulone bentazone suspending agents (1.5% oxazine humulone 38.5% bentazone), mu 114.2 grams, preparation (3#).
(4) 50% oxazine humulone bentazone water dispersible granules (2% oxazine humulone 48% bentazone), mu 91.5 grams, preparation (4#).
(5) 1% oxazine humulone suspending agents, mu 3 grams, preparation (5#).
(6) 48% bentazone aquas, mu 90 grams, preparation (6#).
(7) clear water contrast.
Dispenser period: 3～4 leaf phases of weeds, be watered 30L even spraying.
Prevent and kill off object: barnyard grass, angustifolia arrowhead herb, dayflower, lady's-grass.
Result of the test is in table 3 and table 4.As can be seen from the test results: after medicine 11 days, Herbicidal combinations of the present invention reached respectively more than 94.1% and 94.8% the average preventive effect of transplanted rice field and live field annual weed.Herbicidal combinations of the present invention, significantly better than the single dose of contrast, expands herbicide spectrum, and synergistic effect is remarkable, and quick-acting and lasting period are obviously better than single dose.
Table 3, control transplanted rice field annual weed field control effectiveness test result (after medicine 11 days).
Table 4, control rice direct seeding field annual weed field control effectiveness test result (after medicine 11 days).
Claims (3)
1. one kind contains the Herbicidal combinations that has oxazine humulone and bentazone, it is characterized in that: comprise active ingredient oxazine humulone and bentazone and insecticides adjuvant; the ratio of quality and the number of copies of oxazine humulone and bentazone is 1:5～1:30, oxazine humulone and the mass percent of bentazone quality summation in Herbicidal combinations are 3%～70%.
2. the Herbicidal combinations of a kind of Han You oxazine humulone according to claim 1 and bentazone, is characterized in that: its formulation is the one dispersibling in oil-suspending agent, suspending agent, wetting powder, water dispersible granules.
3. a kind of Han You oxazine humulone described in 1 and the Herbicidal combinations of bentazone as requested, is characterized in that: be applicable to prevent and kill off paddy field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667082.0A CN103766354B (en) | 2013-12-09 | 2013-12-09 | A kind of containing metribuzin with the Herbicidal combinations of bentazone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667082.0A CN103766354B (en) | 2013-12-09 | 2013-12-09 | A kind of containing metribuzin with the Herbicidal combinations of bentazone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103766354A true CN103766354A (en) | 2014-05-07 |
| CN103766354B CN103766354B (en) | 2017-01-04 |
Family
ID=50559484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310667082.0A Active CN103766354B (en) | 2013-12-09 | 2013-12-09 | A kind of containing metribuzin with the Herbicidal combinations of bentazone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103766354B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104351215A (en) * | 2014-10-30 | 2015-02-18 | 广东中迅农科股份有限公司 | Herbicide for potato field |
| CN111387198A (en) * | 2020-04-17 | 2020-07-10 | 江苏瑞邦农化股份有限公司 | Weeding composition containing bentazone, oxaziclomefone and benzobicyclon and application thereof |
| WO2024062498A1 (en) * | 2022-09-21 | 2024-03-28 | Willowood Chemicals Limited | Synergistic ternary herbicidal composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075479A (en) * | 1992-01-30 | 1993-08-25 | 三菱油化株式会社 | 1,3- piperazine-4-ketone derivatives and contain the weedicide of this derivative and be used to make the novel intermediates of this weedicide |
| CN1141036A (en) * | 1993-12-24 | 1997-01-22 | 罗纳-普朗克农业化学公司 | 1,3-Oxazin-4-one derivatives, process and intermediates for their preparation and their use as herbicides |
| WO2007101587A1 (en) * | 2006-03-06 | 2007-09-13 | Isagro Ricerca S.R.L. | New synergistic herbicidal compositions |
-
2013
- 2013-12-09 CN CN201310667082.0A patent/CN103766354B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075479A (en) * | 1992-01-30 | 1993-08-25 | 三菱油化株式会社 | 1,3- piperazine-4-ketone derivatives and contain the weedicide of this derivative and be used to make the novel intermediates of this weedicide |
| CN1141036A (en) * | 1993-12-24 | 1997-01-22 | 罗纳-普朗克农业化学公司 | 1,3-Oxazin-4-one derivatives, process and intermediates for their preparation and their use as herbicides |
| WO2007101587A1 (en) * | 2006-03-06 | 2007-09-13 | Isagro Ricerca S.R.L. | New synergistic herbicidal compositions |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104351215A (en) * | 2014-10-30 | 2015-02-18 | 广东中迅农科股份有限公司 | Herbicide for potato field |
| CN111387198A (en) * | 2020-04-17 | 2020-07-10 | 江苏瑞邦农化股份有限公司 | Weeding composition containing bentazone, oxaziclomefone and benzobicyclon and application thereof |
| CN111387198B (en) * | 2020-04-17 | 2022-05-03 | 江苏瑞邦农化股份有限公司 | Weeding composition containing bentazone, oxaziclomefone and benzobicyclon and application thereof |
| WO2024062498A1 (en) * | 2022-09-21 | 2024-03-28 | Willowood Chemicals Limited | Synergistic ternary herbicidal composition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103766354B (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103392712B (en) | The Herbicidal combinations of Han You oxaziclomefone and penoxsuam | |
| CN103416412B (en) | A kind of Herbicidal combinations containing penoxsuam and pyribenzoxim | |
| CN103931632A (en) | Herbicidal composition containing pinoxaden and pyroxsulam | |
| CN103461350A (en) | Weeding composition containing oxaziclomefone and cyhalofop-butyl | |
| CN103329909B (en) | The Herbicidal combinations of a kind of Han You oxazine humulone and mesotrione | |
| CN103098821A (en) | Penoxsulam-anilofos weeding composition | |
| CN103636647A (en) | Topramezone-rimsulfuron-containing weeding composition | |
| CN104381296A (en) | Weeding composition containing picloram and glyphosate | |
| CN103766354A (en) | Weeding composition containing oxaziclomefone and bentazone | |
| CN103329917B (en) | The Herbicidal combinations of a kind of Han You oxaziclomefone and bensulfuron-methyl | |
| CN103340208B (en) | The Herbicidal combinations of a kind of Han You oxaziclomefone and pyrazosulfuron | |
| CN104012563A (en) | A weeding composition comprising flucetosulfuron and mefenacet | |
| CN104814024A (en) | Rice field herbicide composition containing metazosulfuron and penoxsulam | |
| CN104012565A (en) | A weeding composition comprising flucetosulfuron and pretilachlor | |
| CN103960267A (en) | Herbicidecomposition containing thifensulfuron-methyl and pyroxsulam | |
| CN103636650A (en) | Weeding composition containing fentrazamide and halosulfuron-methyl | |
| CN103688940B (en) | A kind of containing pyraflufen-ethyl with the Herbicidal combinations of fluroxypyr | |
| CN103918689B (en) | A kind of containing thifensulfuronmethyl with the Herbicidal combinations of bromoxynil octanoate | |
| CN104488917A (en) | Weeding composition containing diflufenican and pyroxsulam | |
| CN103766341A (en) | Weeding composition containing clethodim and fluoroglycofen-ethyl | |
| CN104094955A (en) | Weeding composition containing flucetosulfuron and clomazone | |
| CN103960257A (en) | Herbicide composition containingbromoxynil octanoate and pyroxsulam | |
| CN103975933A (en) | Weeding composition containing flumetsulam and pyroxsulam | |
| CN104782643A (en) | Pyrazosulfuron and pyribenzoxim containing paddy field weeding composition | |
| CN104521982A (en) | Weed control composition containing triafamone and metamifop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |