Skip Navigation

This Article
Right arrow FREE Full Text (PDF) Freely available
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in ISI Web of Science
Right arrow Alert me to new issues of the journal
Right arrow Add to My Personal Archive
Right arrow Download to citation manager
Right arrow Search for citing articles in:
ISI Web of Science (26)
Right arrowRequest Permissions
Google Scholar
Right arrow Articles by SKENE, K. R.
Right arrow Articles by RAVEN, J. A.
Right arrow Search for Related Content
PubMed
Right arrow Articles by SKENE, K. R.
Right arrow Articles by RAVEN, J. A.
Agricola
Right arrow Articles by SKENE, K. R.
Right arrow Articles by RAVEN, J. A.
Social Bookmarking
Add to CiteULike   Add to Connotea   Add to Del.icio.us  
What's this?

Annals of Botany 77: 443-452, 1996
© 1996 Annals of Botany Company

Structural Aspects of Cluster Root Development and their Possible Significance for Nutrient Acquisition in Grevillea robusta (Proteaceae)

K. R. SKENE, M. KIERANS, J. I. SPRENT and J. A. RAVEN

Department of Biological Sciences, University of Dundee, Dundee, DD1 4HN, U.K.

August 7, 1995 ; November 5, 1995

Light microscopy (LM), scanning (SEM) and transmission electron microscopy (TEM) were used to study structure and function of cluster roots inGrevillea robusta . These roots were developed during growth ofG. robustaseedlings in modified Hoagland's solution lacking phosphate. Cluster rootlets formed root hairs, basipetally, only after completing their determinate development. The rootlet hairs branched in two ways and some had apical swelling. Rootlets with hairs produced two different forms of exudate, one fibrous and the other globular in nature. The fibrous material appeared to be synthesised in the cortical cells. It is released by exocytosis from the epidermis. Rootlet hairs produced only fibrous exudate. They attached firmly to pieces of vermiculite. The significance of cluster roots is discussed within the context of patchy soil resources.

Grevillea robusta ; Silky oak; Proteaceae; cluster roots; morphology; mucilage; nutrient acquisition; root exudates


Add to CiteULike CiteULike   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us    What's this?


This article has been cited by other articles:


Home page
 Plant Cell PhysiolHome page
L. Sanchez-Calderon, J. Lopez-Bucio, A. Chacon-Lopez, A. Cruz-Ramirez, F. Nieto-Jacobo, J. G. Dubrovsky, and L. Herrera-Estrella
Phosphate Starvation Induces a Determinate Developmental Program in the Roots of Arabidopsis thaliana
Plant Cell Physiol., January 15, 2005; 46(1): 174 - 184.
[Abstract] [Full Text] [PDF]

Home page
 J Exp BotHome page
K. R. Skene
Cluster roots: model experimental tools for key biological problems
J. Exp. Bot., March 1, 2001; 52(90001): 479 - 485.
[Abstract] [Full Text]

Home page
 Plant Physiol.Home page
M. Watt and J. R. Evans
Proteoid Roots. Physiology and Development
Plant Physiology, October 1, 1999; 121(2): 317 - 324.
[Full Text]

Home page
 Plant Physiol.Home page
M. Watt and J. R. Evans
Linking Development and Determinacy with Organic Acid Efflux from Proteoid Roots of White Lupin Grown with Low Phosphorus and Ambient or Elevated Atmospheric CO2 Concentration
Plant Physiology, July 1, 1999; 120(3): 705 - 716.
[Abstract] [Full Text]


Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department.