Gibberellic acid detection of dwarf offtypes in micropropagated Cavendish bananas

Damasco, O.P., Godwin, I.D., Smith, M.K. and Adkins, S.W. (1996) Gibberellic acid detection of dwarf offtypes in micropropagated Cavendish bananas. Australian Journal of Experimental Agriculture, 36 2: 237-241. doi:10.1071/EA9960237


Author Damasco, O.P.
Godwin, I.D.
Smith, M.K.
Adkins, S.W.
Title Gibberellic acid detection of dwarf offtypes in micropropagated Cavendish bananas
Journal name Australian Journal of Experimental Agriculture   Check publisher's open access policy
ISSN 0816-1089
1446-5574
Publication date 1996-01-01
Sub-type Article (original research)
DOI 10.1071/EA9960237
Volume 36
Issue 2
Start page 237
End page 241
Total pages 5
Place of publication Collingwood, VIC, Australia
Publisher C S I R O Publishing
Language eng
Formatted abstract
Detection of dwarf offtypes produced by micropropagation of Cavendish bananas (Musa spp.) cultivars New Guinea Cavendish and Williams was achieved by spraying gibberellic acid (GA3) solution (289 μmol/L) onto deflasked plants and measuring various plant let responses. The most useful identification criterion was elongation of the sheath of the first leaf to form after GA3 application. Elongation of this structure was about 2-fold greater in normal plants than observed in dwarfs. Similar measurements taken earlier during in vitro culture or later during plant establishment in soil were not as useful in discriminating between normals and dwarfs as the measurements made at deflasking. The similar GA3-induced elongation response of the dwarf offtype and that of the naturally occurring dwarf cultivar Dwarf Parfitt suggests that the mechanism for dwarfism could be the same in the 2 cases.
Keyword Off types
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Erratum: Gibberellic acid detection of dwarf offtypes in micropropagated Cavendish bananas (vol 36, pg 237, 1996)

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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Created: Thu, 10 Mar 2011, 21:01:12 EST