CN103461350A - Weeding composition containing oxaziclomefone and cyhalofop-butyl - Google Patents
Weeding composition containing oxaziclomefone and cyhalofop-butyl Download PDFInfo
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- CN103461350A CN103461350A CN2013103625113A CN201310362511A CN103461350A CN 103461350 A CN103461350 A CN 103461350A CN 2013103625113 A CN2013103625113 A CN 2013103625113A CN 201310362511 A CN201310362511 A CN 201310362511A CN 103461350 A CN103461350 A CN 103461350A
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- cyhalofop
- butyl
- oxazine humulone
- humulone
- oxazine
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Abstract
The invention discloses a weeding composition containing oxaziclomefone and cyhalofop-butyl. The weeding composition contains effective components, namely xaziclomefone and cyhalofop-butyl, and the balance of pesticide adjuvants. The parts-mass ratio of xaziclomefone to cyhalofop-butyl is (15:1) to (1:15). 2-60 percent by weight of the total mass of xaziclomefone and cyhalofop-butyl is in the composition. During the actual application, the weeding composition can be used for preparing one of a suspending agent, wettable powder and a water dispersible granule, can effectively control annual grassy weeds of paddy fields, has a pesticide effect superior to that of singly used oxaziclomefone and cyhalofop-butyl obviously, improves the weeding effect, and expands the weed control spectrum.
Description
Technical field
The present invention relates to the Herbicidal combinations of a kind of Han You oxazine humulone and cyhalofop-butyl, its active ingredient Wei oxazine humulone and cyhalofop-butyl, for preventing and kill off the paddy field annual gramineous weed.
Background technology
The chemical method weeding is one of Main Means of the upper prevention and control weeds of agricultural, have efficient, save time, saving of labor's advantage.The paddy field grassy weed mainly contains the mixed lifes such as barnyard grass, moleplant seed, uses a single oxazine humulone, cyhalofop-butyl disposable solution not to prevent and treat paddy field barnyard grass and moleplant seed, can show defect and limitation in a certain respect.Improve consumption crop, environment are caused to harmful effect.The different cultivars compound combination, can promote actual effect, enlarges herbicidal spectrum, and time and labour saving reduces the single variety consumption, and can delay herbicide resistance.
The oxazine humulone, have another name called the barnyard grass peace, english common name: oxaziclomefone.The oxazine humulone is the organic heterocyclic class, is the inner sucting conduction type herbicide for paddy field, and mainly root and the cauline leaf base portion by weeds absorbs.Leaves and stems chlorosis after weeds contacts medicament, stop growing, until withered.
Cyhalofop-butyl, english common name: cyhalofop-butyl.Cyhalofop-butyl is fragrant phenoxy phenoxy propionic acid weed killer herbicide, has interior suction conduction, and paddy rice is had to tight security.Blade and leaf sheath by plant corpus absorb, and the phloem conduction, accumulate the meristem zone in plant corpus, resist acetyl-CoA carboxylase (ACCase), fatty acid is synthesized and stop, the growth division of cell can not normally be carried out, film systems etc., containing the fat structural deterioration, finally cause plant death.Be absorbed into the weeds Mortality Ratio from cyhalofop-butyl slower, generally need 1-3 week.The symptom of weeds after dispenser is as follows: the tender shoots atrophy of four leaf phases causes death.The Lao Ye of two leaf stage changes minimum, keeps green.
The formula screening of inventor's paroxazine humulone and cyhalofop-butyl conducts in-depth research Fa Xian oxazine humulone and cyhalofop-butyl is combined, at certain proportion, the paddy field annual gramineous weed is had to synergistic effect, can promote actual herbicidal effect, enlarge herbicidal spectrum, there is time and labour saving, reduce the single variety consumption, and can delay herbicide resistance.After further study, completed the present invention.
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Summary of the invention
The object of the invention is to solve in prior art single Shi Yong oxazine humulone and cyhalofop-butyl control paddy field annual gramineous weed poor effect, the weeds problem that easily develops immunity to drugs, provide a kind of efficient, herbicidal spectrum is wide, time and labour saving, be conducive to the composition of the paddy field annual gramineous weed comprehensive regulation.
Technical scheme: for achieving the above object, the invention provides the Herbicidal combinations of a kind of Han You oxazine humulone and cyhalofop-butyl, active ingredient Wei oxazine humulone and cyhalofop-butyl, all the other are insecticides adjuvant.Oxazine humulone and the cyhalofop-butyl ratio of quality and the number of copies in Herbicidal combinations is that 15:1～1:15 ， oxazine humulone and the mass percent of cyhalofop-butyl quality summation in Herbicidal combinations are 2～60%.
Herbicidal combinations of the present invention can adopt suitable insecticides adjuvant according to well known to a person skilled in the art method, is processed into the application forms used in the applicable agricultural productions such as suspending agent, wetting powder or water dispersible granules.
The insecticides adjuvant used in Herbicidal combinations of the present invention comprises emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., be all various auxiliary agents commonly used in Pesticide formulation, concrete composition and consumption required simple test to be determined according to formula.
Herbicidal combinations provided by the invention, in use after rice seedling to the shooting stage, the paddy field annual gramineous weed 4-5 leaf phase all can be used, and usually adopts to be watered spray method and to use, and also can adopt as required other operation techniques of the upper application of agricultural.
Beneficial effect: oxazine humulone of the present invention and cyhalofop-butyl are combined, and at certain proportion, the paddy field annual gramineous weed are had to synergistic effect, can promote actual herbicidal effect, enlarge herbicidal spectrum, there is time and labour saving, reduce the single variety consumption, and can delay herbicide resistance.
Technology origin of the present invention: for further Xie oxazine humulone and cyhalofop-butyl are mixed to the synergy of annual gramineous weed, inventor's paroxazine humulone and cyhalofop-butyl are mixed and have carried out formulation screening test.
Test material: barnyard grass [
echinochloa crusgalli(L.) Beaw Setaria] (field is collected seed and is preserved).
Moleplant seed [Semen Euphorbiae (L.); Caper euphorbia seedSemen Euphorbiae] (field is collected seed and is 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, purity is 98% cyhalofop-butyl active compound, add acetone fully to dissolve the Tween 80 aqueous solution dilution of rear use 0.1%, be mixed with respectively the single dose mother liquor, according to the purpose that is mixed, serial proportioning is set, each proportioning arranges 5 concentration gradients.Weeds are cultured to 2 leaves, after the weeds cauline leaf of selecting numbering is processed, are placed in illumination box incubated at room temperature 20 days, calculate control efficiency (fresh weight), 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 shows as summation action.
Actual measurement toxicity index (ATI)=(standard medicament EC50/reagent agent EC50) * 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)=[mixture actual measurement toxicity index (ATI)/theoretical toxicity index (TTI) of mixture] * 100.
Measurement result show (in Table 1 and table 2) ， oxazine humulone and cyhalofop-butyl at mixed ratio, be between 15:1～1:15, there is obvious synergy or summation action, especially at 1:1, synergistic effect is more obvious, co-toxicity coefficient is more than 150.
Table 1, oxazine humulone and cyhalofop-butyl combination are to barnyard grass synergy measurement result.
Table 2, oxazine humulone and the cyhalofop-butyl synergy measurement result to moleplant seed.
Embodiment
The present invention describes by following specific embodiment, but the invention is not restricted to following specific embodiment.In these embodiments, unless otherwise indicated, all percentage is mass percent.
Preparation method embodiment mono-:
Oxazine humulone 15%,
Cyhalofop-butyl 15%,
Agriculture breast 1601# 15%,
Wetting agent LS 5%,
Dispersant SOPA-270 4%,
Bentonite 3%,
Xanthans 0.1%,
Organosilicon 0.4%,
Glycerine 5%,
Deionized water to 100%.
Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 30% oxazine humulone cyhalofop-butyl suspending agent.
Preparation method embodiment bis-:
Oxazine humulone 5%,
Cyhalofop-butyl 25%,
Pull open powder 5%,
Dispersant NNO 12%,
Talcum powder 4%,
Kaolin to 100%.
Above-mentioned formula is entered in blender after coarse crushing and mixes in proportion, more make 30% oxazine humulone cyhalofop-butyl wetting powder after air-flow crushing.
The preparation method executes example four:
Oxazine humulone 25%,
Cyhalofop-butyl 5%,
Lauryl sodium sulfate 6%,
Polycarboxylate 4%,
Sodium chloride 2%,
Polyethylene glycol 3%,
Kaolin to 100%.
By above-mentioned formula, dry pulverization process, granulation, drying, screening make 30% oxazine humulone cyhalofop-butyl water-dispersible granules in proportion.
Field control effectiveness test implements one: the field control effectiveness test of preventing and kill off the rice direct seeding field annual gramineous weed.
Reagent agent and dispenser dosage:
(1) 30% oxazine humulone cyhalofop-butyl wetting powder (15% oxazine humulone: 15% cyhalofop-butyl), 3g (a.i.)/667m
2(1#);
(2) 30% oxazine humulone cyhalofop-butyl suspending agents (1% oxazine humulone, 19% cyhalofop-butyl), 3g (a.i.)/667m
2(2#);
(3) 30% oxazine humulone cyhalofop-butyl water-dispersible granules (19% oxazine humulone, 1% cyhalofop-butyl), 3g (a.i.)/667m
2(3#);
Contrast medicament and dispenser dosage:
(4) 30% oxazine humulone suspending agents, 3g (a.i.)/667m
2(4#);
(5) 15% cyhalofop-butyl missible oils, 7g (a.i.)/667m
2(5#);
(6) artificial weeding, (6#).
Spraying time: on August 16th, 2012, after rice growing 20 days, rice direct seeding field grassy weed 2-3 leaf phase dispenser.
Test site: Lao Keng village, Ren Shan town, Huizhou Huidong County.
Result of the test: in Table 3, as can be seen from the test results: after dispenser 30 days, the oxazine humulone of Ben Faming and cyhalofop-butyl composition for preventing and controlling rice direct seeding field annual gramineous weed preventive effect are more than 96%, bright aobvious good in oxazine humulone preventive effect 90.64%, cyhalofop-butyl preventive effect 92.71%.In experimentation, each medicament is showed no the generation poisoning, to rice safety.
Table 3, control rice direct seeding field annual gramineous weed field control effectiveness test result (after medicine 30 days).
Claims (3)
1. one kind contains the Herbicidal combinations that oxazine humulone and cyhalofop-butyl are arranged, and it is characterized in that: active ingredient is oxazine humulone and cyhalofop-butyl, and all the other are insecticides adjuvant; Oxazine humulone and the cyhalofop-butyl ratio of quality and the number of copies in Herbicidal combinations is that 15:1～1:15 ， oxazine humulone and the mass percent of cyhalofop-butyl quality summation in Herbicidal combinations are 2～60%.
2. the Herbicidal combinations of Han You oxazine humulone according to claim 1 and cyhalofop-butyl, it is characterized in that: its formulation is a kind of of suspending agent, wetting powder or water dispersible granules.
3. the Herbicidal combinations of Han You oxazine humulone according to claim 1 and cyhalofop-butyl, is characterized in that: be applicable to prevent and kill off the paddy field annual gramineous weed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103625113A CN103461350A (en) | 2013-08-20 | 2013-08-20 | Weeding composition containing oxaziclomefone and cyhalofop-butyl |
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|---|---|---|---|
| CN2013103625113A CN103461350A (en) | 2013-08-20 | 2013-08-20 | Weeding composition containing oxaziclomefone and cyhalofop-butyl |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105815323A (en) * | 2016-04-30 | 2016-08-03 | 广东中迅农科股份有限公司 | Weeding composition containing metribuzin and propaquizafop and application thereof |
| CN106937639A (en) * | 2017-04-07 | 2017-07-11 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and clopyralid |
| CN107041371A (en) * | 2017-04-07 | 2017-08-15 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and dichloro quinolinic acid |
| CN107047575A (en) * | 2017-06-22 | 2017-08-18 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and pendimethalin |
| CN107087622A (en) * | 2017-04-26 | 2017-08-25 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and Oxyfluorfen |
| CN107410316A (en) * | 2017-06-08 | 2017-12-01 | 上海虎印实业有限公司 | A kind of Herbicidal combinations containing clefoxidim and cyhalofop-butyl |
| CN109221202A (en) * | 2018-12-01 | 2019-01-18 | 安徽美程化工有限公司 | A kind of Herbicidal combinations and its application containing penoxsuam, oxaziclomefone and cyhalofop-butyl |
| CN115530161A (en) * | 2022-10-08 | 2022-12-30 | 安徽黑包公有害生物防控有限公司 | Production process of oil suspending agent containing cyhalofop-butyl and oxaziclomefone |
Citations (3)
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|---|---|---|---|---|
| JP2008189578A (en) * | 2007-02-02 | 2008-08-21 | Kumiai Chem Ind Co Ltd | Herbicidal composition |
| CN101999400A (en) * | 2010-12-07 | 2011-04-06 | 陕西韦尔奇作物保护有限公司 | Cyhalofop-butyl-containing weeding composition |
| CN102461521A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and oxaziclomefone |
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2013
- 2013-08-20 CN CN2013103625113A patent/CN103461350A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008189578A (en) * | 2007-02-02 | 2008-08-21 | Kumiai Chem Ind Co Ltd | Herbicidal composition |
| CN102461521A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and oxaziclomefone |
| CN101999400A (en) * | 2010-12-07 | 2011-04-06 | 陕西韦尔奇作物保护有限公司 | Cyhalofop-butyl-containing weeding composition |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105815323A (en) * | 2016-04-30 | 2016-08-03 | 广东中迅农科股份有限公司 | Weeding composition containing metribuzin and propaquizafop and application thereof |
| CN106937639A (en) * | 2017-04-07 | 2017-07-11 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and clopyralid |
| CN107041371A (en) * | 2017-04-07 | 2017-08-15 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and dichloro quinolinic acid |
| CN107087622A (en) * | 2017-04-26 | 2017-08-25 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and Oxyfluorfen |
| CN107410316A (en) * | 2017-06-08 | 2017-12-01 | 上海虎印实业有限公司 | A kind of Herbicidal combinations containing clefoxidim and cyhalofop-butyl |
| CN107047575A (en) * | 2017-06-22 | 2017-08-18 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and pendimethalin |
| CN109221202A (en) * | 2018-12-01 | 2019-01-18 | 安徽美程化工有限公司 | A kind of Herbicidal combinations and its application containing penoxsuam, oxaziclomefone and cyhalofop-butyl |
| CN115530161A (en) * | 2022-10-08 | 2022-12-30 | 安徽黑包公有害生物防控有限公司 | Production process of oil suspending agent containing cyhalofop-butyl and oxaziclomefone |
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Application publication date: 20131225 |