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Effects of Storage Condition, Storage Period, and Priming on Seed Germination of Corylopsis coreana  

Kim, Hyoung Deug (Namhae Sub-Station, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Kim, Hong Lim (Namhae Sub-Station, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Kwack, Yong Bum (Namhae Sub-Station, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Choi, Young Hah (Namhae Sub-Station, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Lee, A Rong (Namhae Sub-Station, National Institute of Horticultural & Herbal Science, Rural Development Administration)
Publication Information
FLOWER RESEARCH JOURNAL / v.18, no.4, 2010 , pp. 266-270 More about this Journal
Abstract
Corylopsis coreana is an endangered Korean native plants. This is one of the genus that have high ornamental value for flowering plants available for garden shrub, bonsai, and pot plants. In this study, the methods to encourage seed germination rate were investigated for its ornamental uses. The germination rate of Corylopsis coreana seeds stored under dry-cold condition was very low, 12%, 12%, 8%, and 10%after 40, 70, 85, and 100 days storage respectively. But the germination rate of Corylopsis coreana seeds stored under wet-cold condition was higher than these, 20%, 54%, 78%, and 96% after 40, 70, 85, and 100 days storage respectively. Dry seeds sowed directly without $GA_3$ treatment showed no germination regardless of storage type(cold or room temp.) or storage periods. On the other hand, the soaking treatment with $GA_3$ 50~500 ppm for 24 hours was very effective to increase the germination rate. The most effective $GA_3$ levels was different by storage type(cold or room temp.) and storage periods. But the effect of $GA_3$ was decreased by prolonging of the storage period. Soaking treatment with $Ca(NO_3)_2$ 5, 10, 20 mM, $KNO_3$ 5, 10, 20 mM for 24 hours showed no effect.
Keywords
$GA_3$; $Ca(NO_3)_2$; $KNO_3$; endangered plants;
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Times Cited By KSCI : 5  (Citation Analysis)
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