Effect of thidiazuron holding treatments on delaying the senescence of Davallia ferns
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Publication Details
Author list: Tatmala N., Kaewsuksaeng S., Kanlayanarat S., Buanong M.
Publisher: International Society for Horticultural Science (ISHS)
Publication year: 2012
Volume number: 937
Start page: 463
End page: 466
Number of pages: 4
ISBN: 9789066055254
ISSN: 0567-7572
eISSN: 2406-6168
Languages: English-Great Britain (EN-GB)
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Abstract
Effect of Thidiazuron (TDZ) treatments on delaying the senescence of rabbit's foot ferns (Davallia spp.) was investigated by holding fern stems in 0 (control), 5 and 10 μM TDZ, respectively, in an observation room (21 ± 2°C, 70-80% RH, cool-white fluorescence lights for 12 h) throughout experimental period. The results showed that 10 μM TDZ holding treatment significantly delayed the decrease of fresh weight, water uptake and chlorophyll a and b contents, as compared to the control. However, the leaves treated by TDZ exhibited a significantly higher leakage of electrolytes than the control leaves. In addition, holding treatment of 10 μM TDZ significantly prolonged the vase life to 7.3 d while the control stems had the shortest vase life of 5.8 d. In conclusion, the senescence of rabbit's foot ferns was significantly delayed by the holding treatment of 10 μM TDZ.
Keywords
Rabbit's foot ferns, Senescence
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