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Article: Reproductive biology of a mycoheterotrophic species, Burmannia wallichii (Burmanniaceae)

TitleReproductive biology of a mycoheterotrophic species, Burmannia wallichii (Burmanniaceae)
Authors
KeywordsAutogamy
Breeding system
Electrophoresis
Floral morphology
Isozymes
Mating system
Pollen histochemistry
Saprophyte
Issue Date2000
PublisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0024-4074
Citation
Botanical Journal Of The Linnean Society, 2000, v. 132 n. 4, p. 359-367 How to Cite?
AbstractThe breeding system of a mycoheterotrophic species, Burmannia wallichii (Miers) Hook. f. (Burmanniaceae), is assessed using field observations, floral anatomy, pollen histochemistry and isozyme electrophoresis. The structure of the flower effectively prevents pollinators from accessing the stamens, and no pollinators were observed visiting natural populations in Hong Kong. The pollen is starch-rich but lipid-poor. Analysis of isozyme variation revealed a small proportion of polymorphic loci, a low level of total heterozygosity (H(T) = 0.1972), and a very high overall fixation index of populations (F(IT))= 0.6602). These results strongly suggest that B. wallichii is predominantly self-pollinated. The coefficient of gene differentiation (G(ST)) is low (0.05), although it is suggested that this is due to genetic homogenization of populations consonant with the formation of numerous tiny 'diaspora' seeds that are wind dispersed. (C) 2000 The Linnean Society of London.
Persistent Identifierhttp://hdl.handle.net/10722/73112
ISSN
2015 Impact Factor: 2.523
2015 SCImago Journal Rankings: 1.138
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Den_HK
dc.contributor.authorSaunders, RMKen_HK
dc.date.accessioned2010-09-06T06:48:16Z-
dc.date.available2010-09-06T06:48:16Z-
dc.date.issued2000en_HK
dc.identifier.citationBotanical Journal Of The Linnean Society, 2000, v. 132 n. 4, p. 359-367en_HK
dc.identifier.issn0024-4074en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73112-
dc.description.abstractThe breeding system of a mycoheterotrophic species, Burmannia wallichii (Miers) Hook. f. (Burmanniaceae), is assessed using field observations, floral anatomy, pollen histochemistry and isozyme electrophoresis. The structure of the flower effectively prevents pollinators from accessing the stamens, and no pollinators were observed visiting natural populations in Hong Kong. The pollen is starch-rich but lipid-poor. Analysis of isozyme variation revealed a small proportion of polymorphic loci, a low level of total heterozygosity (H(T) = 0.1972), and a very high overall fixation index of populations (F(IT))= 0.6602). These results strongly suggest that B. wallichii is predominantly self-pollinated. The coefficient of gene differentiation (G(ST)) is low (0.05), although it is suggested that this is due to genetic homogenization of populations consonant with the formation of numerous tiny 'diaspora' seeds that are wind dispersed. (C) 2000 The Linnean Society of London.en_HK
dc.languageengen_HK
dc.publisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0024-4074en_HK
dc.relation.ispartofBotanical Journal of the Linnean Societyen_HK
dc.rightsBotanical Journal of the Linnean Society. Copyright © Blackwell Publishing Ltd.en_HK
dc.subjectAutogamyen_HK
dc.subjectBreeding systemen_HK
dc.subjectElectrophoresisen_HK
dc.subjectFloral morphologyen_HK
dc.subjectIsozymesen_HK
dc.subjectMating systemen_HK
dc.subjectPollen histochemistryen_HK
dc.subjectSaprophyteen_HK
dc.titleReproductive biology of a mycoheterotrophic species, Burmannia wallichii (Burmanniaceae)en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0024-4074&volume=132&spage=359&epage=367&date=2000&atitle=Reproductive+biology+of+a+mycoheterotrophic+species,+Burmannia+wallichii+(Burmanniaceae)en_HK
dc.identifier.emailSaunders, RMK: saunders@hkucc.hku.hken_HK
dc.identifier.authoritySaunders, RMK=rp00774en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1006/bojl.1999.0305en_HK
dc.identifier.scopuseid_2-s2.0-0033836677en_HK
dc.identifier.hkuros65628en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033836677&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume132en_HK
dc.identifier.issue4en_HK
dc.identifier.spage359en_HK
dc.identifier.epage367en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZhang, D=7405356020en_HK
dc.identifier.scopusauthoridSaunders, RMK=35345489600en_HK

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