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Article: Nodulation of native woody legumes in Hong Kong, China

TitleNodulation of native woody legumes in Hong Kong, China
Authors
KeywordsForest restoration
Hong Kong
Native woody legumes
Nodulation
Nodule morphology
Issue Date2009
PublisherSpringer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0032-079X
Citation
Plant And Soil, 2009, v. 316 n. 1-2, p. 35-43 How to Cite?
AbstractWoody legumes can play an important role in forest restoration on degraded land but the knowledge of woody legumes has lagged behind their uses. This study is a pioneer investigation to explore the ability of native woody legumes to form root nodules and fix nitrogen in Hong Kong. Nine sites of different habitat types were surveyed during both wet and dry seasons for two years. Young plants of woody legumes along studied transects were excavated. The patterns of nodulation and nodule morphology were recorded and the nitrogen fixing ability was tested by acetylene-reduction-assay. Twenty-eight species in 16 genera were examined, of which 20 species were nodulating and eight non-nodulating, including all six species in the Caesalpinioideae. Five species were new records to the world's nodulation inventory. Bowringia callicarpa was a new species and genus examined, which was non-nodulating. The overall nodulation pattern was consistent with previous studies. Nodulation was more profuse in some shrub species while inconsistent in most tree species. Species with higher proportion of nodulated individual plants also tended to have more nodules in each plant. Spherical nodules were common in shrub and woody climber species whilst tree species usually had woody indeterminate nodules. Seasonal difference in the amount of senescent nodules was noted in most species. All the nodules tested by acetylene-reduction-assay were effectively nitrogen-fixing, with nitrogenase activity ranging from 4 μmol C2H4 g-1 h -1 to 20 μmol C2H4 g-1 h -1, which was comparable to other tropical tree species. The findings in nodulation pattern and nitrogen fixing ability of these species are essential in their application in forest restoration on degraded lands. © 2008 Springer Science+Business Media B.V.
Persistent Identifierhttp://hdl.handle.net/10722/163965
ISSN
2015 Impact Factor: 2.969
2015 SCImago Journal Rankings: 1.409
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNg, AYSen_HK
dc.contributor.authorHau, BCHen_HK
dc.date.accessioned2012-09-20T07:54:10Z-
dc.date.available2012-09-20T07:54:10Z-
dc.date.issued2009en_HK
dc.identifier.citationPlant And Soil, 2009, v. 316 n. 1-2, p. 35-43en_HK
dc.identifier.issn0032-079Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/163965-
dc.description.abstractWoody legumes can play an important role in forest restoration on degraded land but the knowledge of woody legumes has lagged behind their uses. This study is a pioneer investigation to explore the ability of native woody legumes to form root nodules and fix nitrogen in Hong Kong. Nine sites of different habitat types were surveyed during both wet and dry seasons for two years. Young plants of woody legumes along studied transects were excavated. The patterns of nodulation and nodule morphology were recorded and the nitrogen fixing ability was tested by acetylene-reduction-assay. Twenty-eight species in 16 genera were examined, of which 20 species were nodulating and eight non-nodulating, including all six species in the Caesalpinioideae. Five species were new records to the world's nodulation inventory. Bowringia callicarpa was a new species and genus examined, which was non-nodulating. The overall nodulation pattern was consistent with previous studies. Nodulation was more profuse in some shrub species while inconsistent in most tree species. Species with higher proportion of nodulated individual plants also tended to have more nodules in each plant. Spherical nodules were common in shrub and woody climber species whilst tree species usually had woody indeterminate nodules. Seasonal difference in the amount of senescent nodules was noted in most species. All the nodules tested by acetylene-reduction-assay were effectively nitrogen-fixing, with nitrogenase activity ranging from 4 μmol C2H4 g-1 h -1 to 20 μmol C2H4 g-1 h -1, which was comparable to other tropical tree species. The findings in nodulation pattern and nitrogen fixing ability of these species are essential in their application in forest restoration on degraded lands. © 2008 Springer Science+Business Media B.V.en_HK
dc.languageengen_US
dc.publisherSpringer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0032-079Xen_HK
dc.relation.ispartofPlant and Soilen_HK
dc.rightsThe original publication is available at www.springerlink.com-
dc.subjectForest restorationen_HK
dc.subjectHong Kongen_HK
dc.subjectNative woody legumesen_HK
dc.subjectNodulationen_HK
dc.subjectNodule morphologyen_HK
dc.titleNodulation of native woody legumes in Hong Kong, Chinaen_HK
dc.typeArticleen_HK
dc.identifier.emailHau, BCH: chhau@hku.hken_HK
dc.identifier.authorityHau, BCH=rp00703en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s11104-008-9756-4en_HK
dc.identifier.scopuseid_2-s2.0-59649088272en_HK
dc.identifier.hkuros209538en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-59649088272&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume316en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage35en_HK
dc.identifier.epage43en_HK
dc.identifier.isiWOS:000263175300004-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridNg, AYS=24822258000en_HK
dc.identifier.scopusauthoridHau, BCH=6701358580en_HK

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