CN101120689B - Application of flaveria bidentis extract in herbicide - Google Patents
Application of flaveria bidentis extract in herbicide Download PDFInfo
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- CN101120689B CN101120689B CN200710061863XA CN200710061863A CN101120689B CN 101120689 B CN101120689 B CN 101120689B CN 200710061863X A CN200710061863X A CN 200710061863XA CN 200710061863 A CN200710061863 A CN 200710061863A CN 101120689 B CN101120689 B CN 101120689B
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- extract
- yellowtop
- herbicide
- flaveria bidentis
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- 239000004009 herbicide Substances 0.000 title claims abstract description 42
- 239000000284 extract Substances 0.000 title claims abstract description 41
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 17
- 241000208812 Flaveria bidentis Species 0.000 title abstract description 5
- 241001479588 Packera glabella Species 0.000 claims description 31
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 26
- 240000008042 Zea mays Species 0.000 claims description 10
- 235000007516 Chrysanthemum Nutrition 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 5
- 239000012046 mixed solvent Substances 0.000 claims description 4
- 244000189548 Chrysanthemum x morifolium Species 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 abstract description 27
- 240000006122 Chenopodium album Species 0.000 abstract description 7
- 244000237956 Amaranthus retroflexus Species 0.000 abstract description 6
- 235000013479 Amaranthus retroflexus Nutrition 0.000 abstract description 6
- 235000009344 Chenopodium album Nutrition 0.000 abstract description 6
- 241000192043 Echinochloa Species 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract description 4
- 238000003379 elimination reaction Methods 0.000 abstract description 4
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- 235000010823 Digitaria sanguinalis Nutrition 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 241000894007 species Species 0.000 abstract description 3
- 244000058871 Echinochloa crus-galli Species 0.000 abstract description 2
- 235000011999 Panicum crusgalli Nutrition 0.000 abstract description 2
- 235000001602 Digitaria X umfolozi Nutrition 0.000 abstract 1
- 235000017898 Digitaria ciliaris Nutrition 0.000 abstract 1
- 235000005476 Digitaria cruciata Nutrition 0.000 abstract 1
- 235000006830 Digitaria didactyla Nutrition 0.000 abstract 1
- 235000005804 Digitaria eriantha ssp. eriantha Nutrition 0.000 abstract 1
- 235000014716 Eleusine indica Nutrition 0.000 abstract 1
- 239000004495 emulsifiable concentrate Substances 0.000 abstract 1
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 11
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 9
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 9
- 235000005822 corn Nutrition 0.000 description 9
- 230000009036 growth inhibition Effects 0.000 description 7
- 230000002401 inhibitory effect Effects 0.000 description 7
- 241000723353 Chrysanthemum Species 0.000 description 6
- 230000003449 preventive effect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
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- 238000005303 weighing Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
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- 229920000053 polysorbate 80 Polymers 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
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- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
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- FIKAKWIAUPDISJ-UHFFFAOYSA-L paraquat dichloride Chemical compound [Cl-].[Cl-].C1=C[N+](C)=CC=C1C1=CC=[N+](C)C=C1 FIKAKWIAUPDISJ-UHFFFAOYSA-L 0.000 description 2
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- 241001573881 Corolla Species 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 241001138373 Geranium macrorrhizum Species 0.000 description 1
- 235000006900 Helenium autumnale Nutrition 0.000 description 1
- 241000904014 Pappus Species 0.000 description 1
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 1
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- BLUAFEHZUWYNDE-NNWCWBAJSA-N artemisinin Chemical compound C([C@](OO1)(C)O2)C[C@H]3[C@H](C)CC[C@@H]4[C@@]31[C@@H]2OC(=O)[C@@H]4C BLUAFEHZUWYNDE-NNWCWBAJSA-N 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a new application of a flaveria bidentis extract in the field of herbicides. The herbicide emulsifiable concentrate prepared by the product is diluted by water and sprayed to weed such as crab grass (Digitaria sanguinalis L.), Amaranthus retroflexus L, Echinochloa cruris (Echinochloa crus-galli L.), Chenopodium album (Chenopodium album L.) and the like, and has better control effect. The application of the flaveria bidentis extract in the herbicide changes the foreign invasive species which needs to be eliminated by a large amount of manpower and material resources into valuable, finds out a new way for effective utilization, and changes the passive elimination of the flaveria bidentis into reasonable control, development and utilization.
Description
Technical field
The present invention relates to the purposes of yellowtop extract, relate in particular to the purposes in the weed killer herbicide field.
Background technology
Huang Dingju [Flaveria bidentis (L.) Kuntze] belongs to composite family sneezeweed family yellow top Chrysanthemum, originate from South America, mainly be distributed in the south of the West Indies, Mexico and the U.S., propagate into ground such as Egypt, South Africa, Britain, France, Australia and Japan afterwards.Appear at ground such as Hengshui, China Hebei, Xingtai, Langfang and Tianjin after calendar year 2001 in succession.Huang Dingju is 1 year this plant of sward, and the plant height is widely different, and high reaches about 2 meters, and low has only about 10 centimetres, and the corolla foresythia is eye-catching; Seed is thin, and fruit black is flat slightly, falls lanceolar or closely bar-shaped, no pappus, and the inflorescence formation phase is by the end of June, and seed maturity is in September first arrival mid-November.Its seed is from monthly sprouting the in April to 8, and after November, yellow top chrysanthemum plant begins to dry up flowering fruit bearing stage to autumn summer.The environment that mineral matter and salinity are rich in wasteland, factories and miness, construction site and strand etc. is born in the Huang Dingju happiness, near the wet place of the other water of river small stream, valley, steep cliff, cliff, open country, pasture, old-field, street, road two takes up the clay that contains conglomerate or sand and can both grow, distribution height above sea level scope is 250～2800 meters.Yellow top chrysanthemum well developed root system, salt tolerant alkali, barren-resistant, strong stress resistance; Its reproduction speed is surprising, and a strain can be produced tens thousand of to hundreds thousand of seeds, and very overbearing, seriously ties up the living space of other plant, suppresses the other biological growth, and finally causes other plant death, and the place of Huang Dingju growth is arranged, and other plant is difficult to existence.In chrysanthemum original producton location, Huang top, it is used as weeds in field and handles.Over past ten years, screening widely has the plant of allelopathy, its active substance of isolation identification, by the influence of allelochemical to growth and development of plant and metabolism, be directly used in weed control or simulation active substance structure, the synthetic weed killer herbicide has become the research focus of weed control.Studies show that Bulgarian geranium class ester, dehydrogenation Sino-U.S. chrysanthemum element, qinghaosu and derivative thereof all can be used as natural plant growth regulating substance, directly be used as weed killer herbicide or be used as the synthetic model thing of natural herbicide.In China, Huang Dingju as a kind of exotic invasive species to farming, forestry caused the tremendous economic loss, therefore, wants that the regional people of its generation the method for doing everything possible prevents and kill off it.By the retrieval related data, do not find the relevant report of yellowtop extract as weed killer herbicide.
Summary of the invention
The object of the present invention is to provide the new purposes of yellowtop extract, i.e. application in weed killer herbicide.
In order to understand essence of the present invention better, the experimental result that below yellowtop extract is applied in the weed killer herbicide illustrates its new purposes in the weed killer herbicide field.Root, stem, leaf, flower, seed impurity elimination respectively, the fully dry back of Huang Dingju are pulverized with cracker; With organic solvent crushed material is soaked extraction, extract obtains yellowtop extract through concentrating; Described yellowtop extract is used dissolution with solvents again, add insecticides adjuvant and be mixed with the yellowtop extract Emulsionable herbicides; Organic solvent described in the present invention can be any in benzinum, chloroform, ethyl acetate, methyl alcohol or the acetone, also can be acetone: benzinum=1: 1～3 (V/V) or acetone: the mixed solvent of methyl alcohol=1: 1～3 (V/V); Described insecticides adjuvant is No. 500, farming breast: Tween-80=1: the blended emulsifier of 1～3 (weight ratio), described solvent are dimethylbenzene.Adopt the cauline leaf facture that it is carried out the weeding biological activity determination.Concrete grammar is: at bore
In the plastic cup of 7cm, high 10cm, the cup end, have 3
0.2cm the hole, the vermiculite that the 8cm that packs into is dark, 25 in the seed of the lady's-grass that germinateed of sowing or Amaranthus retroflexus or barnyard grass grass or lamb's-quarters equably respectively in every glass, cover the thick vermiculite of 1cm then, plastic cup is after planting changed in the porcelain dish, keep the water layer of about 0.5cm simultaneously, placing 25 ℃ of temperature, intensity of illumination is to cultivate under 3800LX, relative moisture 70% condition, is for experiment when treating the extremely about 3～5cm of weed growth.Evenly spray the water diluent of yellowtop extract Emulsionable herbicides and the methanol solution of yellowtop extract with laryngeal spray, with grass cutting blade moistening till, with methyl alcohol is contrast, each is handled and repeats 3 times, after cultivating 48 hours under the condition of cultivating weed growth, observe inhibitory action with ocular estimate.Its grade scale is: growth inhibition ratio is 0 grade with contrast; Growth inhibition ratio is 1 grade less than 25%; Growth inhibition ratio is 2 grades 25%～50%; Growth inhibition ratio is 3 grades 50%～75%; Growth inhibition ratio is 4 grades 75%～95%; Growth inhibition ratio is being 5 grades more than 95%.
The applicant prevents and kill off the field control effectiveness test of corn field weed, 200 times of resulting yellowtop extract Emulsionable herbicides dilute with waters with 30% yellowtop extract Emulsionable herbicides of gained; Reach 200 times of 20% paraquat aqua dilute with waters that Tianmen farmingization Co., Ltd produces medicament in contrast with the Hubei sand swell, application method is that the directed in the ranks cauline leaf spraying of corn field is handled, used sprayer is workers and peasants' 16 type manual sprayers, and injection flow rate is 30L/667m
2Experimental field be located at the Ran Cun of Qingyuan County, Baoding Nanjing University, experimental field physical features is smooth, and fertility unanimity, thickness of sowing are 3500 strains/667m
2, preceding crop is a wheat.The field main weeds has lady's-grass, Amaranthus retroflexus, barnyard grass grass, lamb's-quarters etc.Corn was sowed on June 5th, 2006, treated that corn grew to for 5～6 leaf phases, carried out the test of pesticide effectiveness during the about 15～20cm of plant height, and corn variety is Zheng Dan 958.In each sub-district, get 5 points for investigation at random by checkerboard type, every some area is 0.25m
2, investigated each treatment region weeds kind and weeds strain number in 2 days, 3 days, 5 days before dispenser and after the dispenser, each is handled and repeats 3 times.Calculate preventive effect by following formula:
Preventive effect (%)=(1-T
a* C
b/ T
b* C
a) * 100.
Wherein: T
aBe the remaining weeds strain number in treatment region control back;
T
bBe remaining weeds strain number before the treatment region control;
C
aBe the remaining weeds strain number in control back, check plot;
C
bBe remaining weeds strain number before the control of check plot.
The results are shown in Table 1.Field test results shows: the yellowtop extract Emulsionable herbicides has preventive effect preferably to corn field weed, though the preventive effect of 2 days and 3 days is lower than contrast medicament 20% paraquat aqua after the dispenser, but, utilize weed killer herbicide of the present invention that weeds in the corn field are had control action preferably from the field visual observation; And 5 days control efficiency is 94.1%, and is not remarkable with the preventive effect difference of contrast medicament.The yellowtop extract Emulsionable herbicides has slight poisoning to the corn variety for examination, but is subjected to after the poisoning can to recover in 5～7 days.
Table 1 yellowtop extract Emulsionable herbicides is to the preventive effect of corn field weed
In the table in the same column different letter representation P=0.05 level differences remarkable.
Getting each 10mL of yellowtop extract Emulsionable herbicides respectively is sealed in the test tube, get wherein 3 parts and place 54 ± 2 ℃ constant temperature to store 14 days down, other gets wherein 3 parts and places to store under 0 ± 1 ℃ the condition and observed the precipitation productions and calculated the percentage that sedimentary volume accounts for cumulative volume in 7 days.To utilize the cauline leaf facture that 4 leaf phase lady's-grass are carried out the weeding biological activity determination through sample after the heat storage and the sample of storing without heat.The results are shown in Table 2.
The cold and hot storage of table 2 yellowtop extract Emulsionable herbicides back is to the growth inhibition effect measurement result of lady's-grass
| Handle | Extension rate | 24 hours inhibitory action | 48 hours inhibitory action | 72 hours inhibitory action |
| Yellowtop extract Emulsionable herbicides through the heat storage | 200 | 4 grades | 4 grades | 5 grades |
| Yellowtop extract Emulsionable herbicides without the heat storage | 200 | 5 grades | 5 grades | 5 grades |
Result of the test shows: the drug effect of yellowtop extract Emulsionable herbicides after heat storage with biologically active occurred without comparing of heat storage and reduced phenomenon, but the degree that biologically active reduces is less relatively, is still keeping the inhibitory action higher to lady's-grass.Sample after storing 7 days under 0 ± 1 ℃ the condition is observed, found that sedimentary volume is all less than 0.3% in 3 samples.
Through evidence, yellowtop extract of the present invention is made Emulsionable herbicides lady's-grass (Digitaria sanguinalis L.), Amaranthus retroflexus (Amaranthus retroflexus L.), barnyard grass grass (Echinochloa crus-galli L.), lamb's-quarters weeds such as (Chenopodium album L.) is had the better prevention effect.The methanol solution of yellowtop extract all has good inhibitory effect to 4 kinds of weeds for examination, and wherein the inhibitory action to lady's-grass, Amaranthus retroflexus and barnyard grass grass is the strongest, and its inhibition degree is 5 grades; Inhibition degree to lamb's-quarters is 4～5 grades; Test is found, handles 4 kinds of weeds seedling that supply examination with the methyl alcohol cauline leaf, and methyl alcohol does not cause tangible injury to weeds.
From above result, can draw and the invention has the advantages that:
The present invention has excavated new purposes to yellowtop extract, has opened up a new application; Yellowtop extract of the present invention is applied in the weed killer herbicide, and herbicidal effect is obvious, is indicating good prospect in medicine; The application of yellowtop extract of the present invention in weed killer herbicide, to be that the exotic invasive species that need a large amount of human and material resources of cost to remove are turned waste into wealth originally, found out the new way of effective utilization,, become rational control and development and use by to the passive removing of Huang top chrysanthemum.
Embodiment
For a more clear understanding of the present invention, below the specific embodiment finished of the technical scheme that provides by the applicant the present invention is described in further detail, these only are the present invention embodiment preferably, but are not limited to these embodiment.
Embodiment 1:
Root, stem, leaf, flower and the seed of Huang Dingju after the abundant dry impurity elimination are pulverized with cracker, crossed 40 mesh sieves.Take by weighing the sample 2kg behind the crushing screening, add acetone 6kg, lixiviate is 12 hours under the room temperature condition, puts into micro-wave oven then and handles 5 times, handles 5 minutes on supersonic wave cleaning machine then each 30 seconds, and decompress filter obtains the acetone extract of Huang Dingju.Acetone extract concentrating under reduced pressure under 40 ℃ of conditions of Huang Dingju is closely dried, obtain the extract of Huang Dingju.Huang pushed up take by weighing 10g after the chrysanthemum acetone extract makes acetone fully volatilize in surface plate, fully dissolve, obtain the methanol solution of yellowtop extract with 100mL methyl alcohol.
Embodiment 2:
Root, stem, leaf, flower and the seed of Huang Dingju after the abundant dry impurity elimination are pulverized with cracker, crossed 40 mesh sieves.Take by weighing the sample 5kg behind the crushing screening, add acetone: the mixed solvent 25kg of benzinum=1: 2 (V/V), lixiviate is 18 hours under the room temperature condition, handles 5 minutes on supersonic wave cleaning machine then, and decompress filter obtains acetone, the benzinum mixed solvent extract of Huang Dingju.Extract concentrating under reduced pressure under 40 ℃ of conditions of Huang Dingju is closely dried, obtain the extract of Huang Dingju.
Embodiment 3:
Take by weighing the extract 90g of Huang Dingju, fully dissolve earlier, add farming then newborn No. 500: Tween-80=1 with 165g dimethylbenzene: the blended emulsifier 45g of 2 (weight ratios), stir get final product the yellowtop extract Emulsionable herbicides.Described farming breast is a calcium dodecyl benzene sulfonate No. 500, and its molecular structural formula is as follows:
No. 500, farming breast
Tween-80 is the sorbitan mono-oleic acid ester ethylene oxide adduct, and its molecular structural formula is as follows:
Claims (1)
1. yellow top chrysanthemum is with acetone or acetone: benzinum=1: 1～3 (V/V) or acetone: the mixed solvent of methyl alcohol=1: 1～3 (V/V) is that the extract that extracts of extractant is as corn weeds in field herbicide applications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710061863XA CN101120689B (en) | 2007-04-30 | 2007-04-30 | Application of flaveria bidentis extract in herbicide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710061863XA CN101120689B (en) | 2007-04-30 | 2007-04-30 | Application of flaveria bidentis extract in herbicide |
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| Publication Number | Publication Date |
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| CN101120689A CN101120689A (en) | 2008-02-13 |
| CN101120689B true CN101120689B (en) | 2010-06-23 |
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| CN200710061863XA Expired - Fee Related CN101120689B (en) | 2007-04-30 | 2007-04-30 | Application of flaveria bidentis extract in herbicide |
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| CN102125031A (en) * | 2010-12-13 | 2011-07-20 | 中国农业科学院农业环境与可持续发展研究所 | Combustion improver for mosquito coil incense |
| CN102726195A (en) * | 2012-07-11 | 2012-10-17 | 福建省农业科学院畜牧兽医研究所 | Method for inhibiting grass by means of allelopathic effect of alfalfa leaves |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555710A (en) * | 2003-12-30 | 2004-12-22 | 西北农林科技大学无公害农药研究服务 | Application of plant possessing weed control activity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555710A (en) * | 2003-12-30 | 2004-12-22 | 西北农林科技大学无公害农药研究服务 | Application of plant possessing weed control activity |
Non-Patent Citations (3)
| Title |
|---|
| Alicia Bardón, et al..Bioactive plants from Argentina and Bolivia.Fitoterapia78.2007,78227-231. * |
| 周凯,等.菊科植物化感作用研究进展.生态学报24 8.2004,24(8),1780-1788. |
| 周凯,等.菊科植物化感作用研究进展.生态学报24 8.2004,24(8),1780-1788. * |
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| CN101120689A (en) | 2008-02-13 |
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