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Effect of Low Temperature for the Breaking Dormancy of Primula sieboldii, P. modesta var. fauriae and Disporum smilacinum  

Hong Su-Young (National Institute of Highland Agriculture, RDA)
Yoo Dong-Lim (National Institute of Highland Agriculture, RDA)
Kim Su-Jeong (National Institute of Highland Agriculture, RDA)
Nam Chun-Woo (National Institute of Highland Agriculture, RDA)
Ryu Seung-Yeol (National Institute of Highland Agriculture, RDA)
Suh Jong-Taek (National Institute of Highland Agriculture, RDA)
Publication Information
Korean Journal of Plant Resources / v.19, no.1, 2006 , pp. 45-49 More about this Journal
Abstract
This study has been conducted to find out the possibility of the winter production for pot cultured plants, such as P. sieboldii, P. modesta var. fauriae and D. smilacinum in highland, 800 meter above sea level by early breaking dormancy. Low temperatures for breaking dormancy were treated for 300, 500, 700 and 900 hours under $5^{\circ}C$ in incubators and, then these plants were moved to greenhouse controlled at $10^{\circ}C$ of night temperature. Results showed that P. modesta var. fauriae and D. smilacinum, and P. smilacinum required more than 500 hours and 700 hours of low temperature $5^{\circ}C$ for breaking dormancy, respectively.
Keywords
Highland; Low temperature ($5^{\circ}C$); Breaking dormancy;
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