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Morphology, anatomy and mycorrhizae in subterranean parts

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dc.contributor.authorMuthukumar, Thangavelues
dc.contributor.authorEswaranpillai Umaes
dc.contributor.authorArumugam Karthikeyan
dc.contributor.authorKullaiyan Sathiyadash
dc.contributor.authorJaison, Sarah
dc.contributor.authorPerumalsamy Priyadharsini
dc.contributor.authorIshworani Chongtham
dc.contributor.authorVellaisamy Muniappan
dc.date.accessioned2012-05-09T10:18:33Z
dc.date.available2012-05-09T10:18:33Z
dc.date.issued2011
dc.description.abstractZeuxine gracilis (Berda) Bl., is an endemic, terrestrial green orchid whose morphology, anatomy and mycorrhizal status is unknown. So we investigated: (a) root and rhizome anatomy; (b) root hair characteristics and mycorrhizal colonization patterns in Z. gracilis plants collected from Western Ghats region of southern India. The prominent anatomical characters in the roots were: absence of velamen, spiranthosomes, and the presence of single layered exodermis and nine arched protoxylem. The rhizome had an uniseriate epidermis, abundant spiranthosomes in the inner cortical cells, a distinct endodermis with casparian strips and biseriate vascular bundles. The presence of fungi both in the roots and rhizomes was revealed. The entry of fungi was chiefly through root hairs and through epidermis in the rhizome. Fungi formed pelotons and monilioid cells in the root cortex. Additionally, arbuscular mycorrhizal (AM) fungi characterized by the presence of aseptate hyphae, vesicles and spores were present occasionally in roots. The lack of arbuscules in Z. gracilis indicated the AM to be non functional.en_EN
dc.formatapplication/pdfes
dc.format.extent8es
dc.identifier.issn1138-3399es
dc.identifier.urihttp://hdl.handle.net/10201/27356
dc.languagespaes
dc.publisherMurcia : Universidad de Murcia, Servicio de Publicacioneses
dc.relation.ispartofAnales de biologíaes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectPelotonses
dc.subjectMonilioid cellses
dc.subject.other57 - Biologíaes
dc.titleMorphology, anatomy and mycorrhizae in subterranean partses
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Anales de biología Vol. 33 (2011)