Role of ethylene in the production of sporophytes from Platycerium coronarium (Koenig) desv. frond and rhizome pieces cultured in vitro

The effect of ethylene on in vitro plant regeneration from frond and rhizome explants of Platycerium coronarium was investigated. Ethylene levels in the culture vessels increased with time, resulting in a decrease in the percentage of sporophytes produced. Addition of the ethylene action inhibitor s...

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Bibliographic Details
Published in:Journal of plant growth regulation 1995-12, Vol.14 (4), p.183-189
Main Authors: Kwa, S.H. (National University of Singapore, Singapore.), Wee, Y.C, Kumar, P.P
Format: Article
Language:English
Subjects:
ACIDE SALICYLIQUE
ACIDO SALICILICO
ARGENT
Biological and medical sciences
BIOSINTESIS
BIOSYNTHESE
CULTIVO IN VITRO
CULTURE IN VITRO
ETHYLENE
ETILENO
EXPLANT
EXPLANTES
FEUILLE
FOUGERE
Fundamental and applied biological sciences. Psychology
HELECHOS
HOJAS
INHIBICION
INHIBITION
MEDIO DE CULTIVO
MILIEU DE CULTURE
Plant physiology and development
PLATA
REGENERACION IN VITRO
REGENERATION IN VITRO
RHIZOME
RIZOMAS
SALES
SEL
SUBSTANCE DE CROISSANCE VEGETALE
SUSTANCIAS DE CRECIMIENTO VEGETAL
THIOCYANATE
TIOCIANATOS
Tissue cultures, protoplasts
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Summary:The effect of ethylene on in vitro plant regeneration from frond and rhizome explants of Platycerium coronarium was investigated. Ethylene levels in the culture vessels increased with time, resulting in a decrease in the percentage of sporophytes produced. Addition of the ethylene action inhibitor silver thiosulfate resulted in an increase in the percentage of plants regenerated, indicating an inhibitory effect of ethylene on regeneration. However, the presence of 2,5-norbornadiene was not effective in reversing the effect of ethylene. Inhibitors of ethylene biosynthesis, such as cobalt chloride, salicylic acid, benzylisothiocyanate, and aminoethoxyvinylglycine, were also ineffective in increasing sporophyte regeneration. 1-Aminocyclopropane-1-carboxylic acid, the ethylene precursor, was ineffective in increasing the level of ethylene in the culture vessels. Therefore, the biosynthetic pathway of ethylene in the fern P. coronarium appears to be different from that of higher plants but similar to that of some other ferns
ISSN:0721-7595
1435-8107
DOI:10.1007/BF00204910