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Propagation and characterisation of the freezing tolerance of a novel South African ornamental ( Cineraria saxifraga )
Author(s) -
BURCHETT S,
FULLER M P,
DAKINELLIOT N
Publication year - 2002
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.2002.tb00183.x
Subject(s) - biology , ornamental plant , cutting , frost (temperature) , micropropagation , botany , horticulture , explant culture , biochemistry , geomorphology , in vitro , geology
Summary Successful propagation of Cineraria saxifraga was achieved using apical softwood cuttings and micropropagation protocols. Plants propagated using micropropagation had a multiplication rate eight times that of the original population after 4 wk. Apical cuttings were subjected to a standard conductive freezing test to establish the freezing tolerance of the species. Results showed that cold‐acclimated plants had a 43% increased survival compared to non‐acclimated plants. Using plants established from tissue culture, two further freezing tests were conducted to establish the effects of surface water and container size on the frost resistance of this species. Surface water significantly decreased survival score compared to dry plants. Plants grown in small containers had a significant decrease in plant survival score compared to those grown in large containers.