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Changes in the Seed Characters and Germination Properties of Three Tree Species at Different Storage Time  

Han Sim Hee (국립과학원 산림유전자원부)
Kim Chan Soo (국립과학원 산림유전자원부)
Jang Suk Seong (국립과학원 산림유전자원부)
Lee Hyun Ju (국립과학원 산림유전자원부)
Tak Woo Sik (국립과학원 산림유전자원부)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.6, no.3, 2004 , pp. 183-189 More about this Journal
Abstract
This study was conducted to examine the changes in the seed physical characters and germinative properties of three tree species at three different storage times in order to determine the most suitable storage time and condition. Seed physical characters and germinative properties were examined from seeds of Fraxinus rhynchophylla, Zanthoxylum schinifolium and Staphylea bumalda that were stored at -18C for 1, 3 and 10 years, and the growth performance and physiological characters of their seedlings were analyzed. Seed physical characters and germinative properties showed significant differences between three storage times as well as three tree species. Seed moisture content of F rhynchophylla and S. bumalda and seed fresh weight of Z. schinifolium decreased with increase of storage time. Storage time represented negative correlation with moisture content and fresh weight (r = -0.822, P<0.01). Seed percent germination of Z. schinifolium and S. bumalda stored for 3 and 10 years decreased less than 15% and 10.7% respectively. Mean germination times for seed of F. rhynchophylla, Z. schinifolium and S. bumalda were delayed 11.9, 5.7 and 9.7 days after a storage time of 10 years, respectively. However the growth and viability of seedlings didn't show a special pattern for storage time and tree species.
Keywords
moisture content; physiological character; percent germination; mean germination time; viability;
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