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The Variation of Cone, Seed and Germination Characteristics of Picea jezoensis (Siebold & Zuccarini) Carriere Populations in Korea
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  • Journal title : Korean Journal of Plant Resources
  • Volume 24, Issue 1,  2011, pp.69-75
  • Publisher : The Plant Resources Society of Korea
  • DOI : 10.7732/kjpr.2011.24.1.069
 Title & Authors
The Variation of Cone, Seed and Germination Characteristics of Picea jezoensis (Siebold & Zuccarini) Carriere Populations in Korea
Song, Jeong-Ho; Jang, Kyung-Hwan; Kim, Du-Hyun; Lim, Hyo-In;
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This study was conducted to investigate the variation of cone, seed and germination characteristics among populations and among individuals within populations of Picea jezoensis(Siebold & Zuccarini) Carriere distributed in Korea. Cone collected from 25 trees in two natural populations(Mt. Jiri and Mt. Dokyu) and their thirteen cone and seed characteristics as well as three germination behaviors were analyzed. Statistical analysis showed significant differences among populations and among individuals within populations in 9 traits except for seed breadth, seed weight, index of seed wing and mean germination time. Generally, morphological variation of cone and seed wings from Mt. Jiri population has smaller and longer than those of Mt. Dokyu population. Percentage of sound seeds and Tetrazolium test from Mt. Jiri population showed 1.79 and 1.87 higher values than Mt. Dokyu population, respectively. The maximum germination percentage was obtained at the optimum temperature of and in this case, mean germination time and germination rate showed 7.5 days and 2.9 ea./day, respectively. In seed germination behaviors, percentage(40.7%) and rate(0.90 ea./day) of germination in Mt. Jiri population were more higher and faster than those of Mt. Dokyu population(17.7%, 0.37 ea./day). According to correlation analysis, P. jezoensis populations with small restricted distribution may have been reduced because seed qualities were correlated with increased levels of inbreeding and disproportion flowering.
Picea jezoensis;Natural population;Variation;Cone;Seed;Germination;
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