ISHS Acta Horticulturae 518: XXV International Horticultural Congress, Part 8: Quality of Horticultural Products
EFFECT OF ETHYLENE, SUCROSE AND BENZYLADENINE ON LEAF SENESCENCE OF TWO CHRYSANTHEMUM CULTIVARS 'TARA' AND 'BOALDI' |
| Authors: | T. Reyes-Arribas, J.E. Barrett, T.A. Nell, D.G. Clark |
| Keywords: | Dendranthema grandiflora, benzyladenine, chrysanthemums, Ethylene, Leaf senescence, postproduction, sucrose |
| Abstract:
Exogenous ethylene accelerated the decline of chlorophyll in detached leaves of 'Tara', a yellowing chrysanthemum cultivar, and chlorosis was evident one day after exposure to 100 μ1.1-1 ethylene for 3 days. 'Boaldi', a non-yellowing cultivar, was insensitive to the ethylene treatment. Sucrose (1%) and benzyladenine (50 mg l-1) delayed the loss of chlorophyll in 'Tara' and had no effect in 'Boaldi'. | |
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