Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L.
The allelopathic activity of the different extracts of the lichen Cladonia verticillaris and fumarprotocetraric acid on the early growth of A cepa (IPA 6) seedlings depends on their chemical composition and concentration, respectively. It was observed that the length of the radicle was significantly...
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| Format: | Article |
| Language: | English |
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University of Debrecen
1999-09-01
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| Series: | International Journal of Horticultural Science |
| Subjects: | |
| Online Access: | https://ojs.lib.unideb.hu/IJHS/article/view/39 |
| _version_ | 1818391148572442624 |
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| author | A. M. Yano-Melo C. Vicente L. Xavier-Filho |
| author_facet | A. M. Yano-Melo C. Vicente L. Xavier-Filho |
| author_sort | A. M. Yano-Melo |
| collection | DOAJ |
| description | The allelopathic activity of the different extracts of the lichen Cladonia verticillaris and fumarprotocetraric acid on the early growth of A cepa (IPA 6) seedlings depends on their chemical composition and concentration, respectively. It was observed that the length of the radicle was significantly stimulated by fumarprotocetraric acid at high concentrations and by the total extract of C. verticillaris thalli, which contained a high level of fumarprotocetraric, acid confirmed by HPLC-technique. In addition, it was found, that the phosphate buffer extract, which contained high level of methyl (3-orcinol carboxilate measured by HPLC, reduced the length of the hypocotyls significantly. Under our experimental conditions there was no influence of the different types of extract and fumarprotocetraric acid on the ratio of seed germination, in relation to the control. From the study of HPLC it was found that fumarprotocetraric acid and methyl 13-orcinol carboxilate were present in all extracts at different concentrations, depending on the method of extraction. |
| first_indexed | 2024-12-14T05:08:55Z |
| format | Article |
| id | doaj.art-e478910d61ed4475ad126d622cc4085f |
| institution | Directory Open Access Journal |
| issn | 1585-0404 2676-931X |
| language | English |
| last_indexed | 2024-12-14T05:08:55Z |
| publishDate | 1999-09-01 |
| publisher | University of Debrecen |
| record_format | Article |
| series | International Journal of Horticultural Science |
| spelling | doaj.art-e478910d61ed4475ad126d622cc4085f2022-12-21T23:16:01ZengUniversity of DebrecenInternational Journal of Horticultural Science1585-04042676-931X1999-09-0153-410.31421/IJHS/5/3-4/39Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L.A. M. Yano-Melo0C. Vicente1L. Xavier-Filho2Universidade Federal de Pernambuco, Depto. Micologia, C.C.B., Recife, 50670-710, BrazilComplutense University of Madrid, Laboratory of Plant Physiology, Faculty of Biology, SpainUniversidade Federal da Paraiba, Lab. Tecnologia Farmaceutica, Joao Pessoa, 58059-900, Brazil Present address: Embrapa-Cpatsa, Laboratorio de Biotecnologia, C.P. 23, Petrolina, PE, 56300-000, BrazilThe allelopathic activity of the different extracts of the lichen Cladonia verticillaris and fumarprotocetraric acid on the early growth of A cepa (IPA 6) seedlings depends on their chemical composition and concentration, respectively. It was observed that the length of the radicle was significantly stimulated by fumarprotocetraric acid at high concentrations and by the total extract of C. verticillaris thalli, which contained a high level of fumarprotocetraric, acid confirmed by HPLC-technique. In addition, it was found, that the phosphate buffer extract, which contained high level of methyl (3-orcinol carboxilate measured by HPLC, reduced the length of the hypocotyls significantly. Under our experimental conditions there was no influence of the different types of extract and fumarprotocetraric acid on the ratio of seed germination, in relation to the control. From the study of HPLC it was found that fumarprotocetraric acid and methyl 13-orcinol carboxilate were present in all extracts at different concentrations, depending on the method of extraction.https://ojs.lib.unideb.hu/IJHS/article/view/39Cladonia verticillarisseed germinationgrowth stimulationlichensonion |
| spellingShingle | A. M. Yano-Melo C. Vicente L. Xavier-Filho Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L. International Journal of Horticultural Science Cladonia verticillaris seed germination growth stimulation lichens onion |
| title | Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L. |
| title_full | Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L. |
| title_fullStr | Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L. |
| title_full_unstemmed | Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L. |
| title_short | Allelopathic effect of the Cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in Allium cepa L. |
| title_sort | allelopathic effect of the cladonia verticillaris lichen extracts and fumarprotocetraric acid on the early growth of germinating seeds and seedlings in allium cepa l |
| topic | Cladonia verticillaris seed germination growth stimulation lichens onion |
| url | https://ojs.lib.unideb.hu/IJHS/article/view/39 |
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