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Article: Nodulation of native woody legumes in Hong Kong, China
Title | Nodulation of native woody legumes in Hong Kong, China |
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Authors | |
Keywords | Forest restoration Hong Kong Native woody legumes Nodulation Nodule morphology |
Issue Date | 2009 |
Publisher | Springer 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? |
Abstract | Woody 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 Identifier | http://hdl.handle.net/10722/163965 |
ISSN | 2023 Impact Factor: 3.9 2023 SCImago Journal Rankings: 1.135 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Ng, AYS | en_HK |
dc.contributor.author | Hau, BCH | en_HK |
dc.date.accessioned | 2012-09-20T07:54:10Z | - |
dc.date.available | 2012-09-20T07:54:10Z | - |
dc.date.issued | 2009 | en_HK |
dc.identifier.citation | Plant And Soil, 2009, v. 316 n. 1-2, p. 35-43 | en_HK |
dc.identifier.issn | 0032-079X | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/163965 | - |
dc.description.abstract | Woody 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.language | eng | en_US |
dc.publisher | Springer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0032-079X | en_HK |
dc.relation.ispartof | Plant and Soil | en_HK |
dc.rights | The original publication is available at www.springerlink.com | - |
dc.subject | Forest restoration | en_HK |
dc.subject | Hong Kong | en_HK |
dc.subject | Native woody legumes | en_HK |
dc.subject | Nodulation | en_HK |
dc.subject | Nodule morphology | en_HK |
dc.title | Nodulation of native woody legumes in Hong Kong, China | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Hau, BCH: chhau@hku.hk | en_HK |
dc.identifier.authority | Hau, BCH=rp00703 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1007/s11104-008-9756-4 | en_HK |
dc.identifier.scopus | eid_2-s2.0-59649088272 | en_HK |
dc.identifier.hkuros | 209538 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-59649088272&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 316 | en_HK |
dc.identifier.issue | 1-2 | en_HK |
dc.identifier.spage | 35 | en_HK |
dc.identifier.epage | 43 | en_HK |
dc.identifier.isi | WOS:000263175300004 | - |
dc.publisher.place | Netherlands | en_HK |
dc.identifier.scopusauthorid | Ng, AYS=24822258000 | en_HK |
dc.identifier.scopusauthorid | Hau, BCH=6701358580 | en_HK |
dc.identifier.issnl | 0032-079X | - |