Plant genotype, juvenility and mechanisms of inhibition of rooting Persoonia virgata R. Br. cuttings

Bauer, L. M., Johnston, M. E. and Williams, R. R. (1999) Plant genotype, juvenility and mechanisms of inhibition of rooting Persoonia virgata R. Br. cuttings. Australian Journal of Experimental Agriculture, 39 8: 1029-1034. doi:10.1071/EA99048


Author Bauer, L. M.
Johnston, M. E.
Williams, R. R.
Title Plant genotype, juvenility and mechanisms of inhibition of rooting Persoonia virgata R. Br. cuttings
Journal name Australian Journal of Experimental Agriculture   Check publisher's open access policy
ISSN 0816-1089
Publication date 1999
Sub-type Article (original research)
DOI 10.1071/EA99048
Volume 39
Issue 8
Start page 1029
End page 1034
Total pages 6
Editor C. Anderson
Place of publication Melbourne, VIC, Australia
Publisher CSIRO Pubishing
Collection year 1999
Language eng
Subject C1
060705 Plant Physiology
070601 Horticultural Crop Growth and Development
Abstract Persoonia virgata is an endemic shrub of Australia that is being bush-harvested for its foliage and sold on the domestic and export flower markets. The limiting factor to the cultivation of many desirable Persoonia species has been the extreme difficulty in developing a reliable propagation system. This study investigated the effects of cutting type, maturity of the stock plant, and genotype, on the rooting of P. vilgata cuttings. It was found that juvenile cuttings rooted significantly better than mature cuttings. Some juvenile seedling genotypes yielded no rooted cuttings, whereas others produced up to 90% rooting. No anatomical barrier to root formation was discovered. High performance liquid chromatography showed differences in the abundance of unidentified compounds in cuttings, related to season and to genotypic differences in rooting abilities. A possible seasonal rooting inhibitor was present in some genotypes. The potential for selection of genotypes with improved rooting ability has been demonstrated.
Keyword Agriculture, Multidisciplinary
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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Created: Tue, 10 Jun 2008, 14:51:01 EST