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RISS 인기검색어
- 검색키워드
- 저자 : K.J. LEE(李景宰) (검색결과 1 건)
- 무료
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- 유료
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The Variation of natural population of pinus densifiora S. et Z. in Korea
K.B. YIM(任慶彬),Y.S. KIM(金用植),K.J. LEE(李景宰) 한국육종학회 1981 한국육종학회지 Vol.13 No.2
In the geographic variations of the resin canal numbers, tracheid length, and seed length, the natural populations of Pinus densiflora examined could be devided into two groups, one along the Taebek Mountains, and the other one along the Sobek Mountains, two main mountain chains in this country. This grouping could be confirmed by the statistical analysis of T-test. The length of the tracheid and the seed are generally longer in the Sobek group than that in the Taebek group. The epicotyl length showed a strong north to south clinal variation particularly along the Sobek Mountains. The mean seed-wing width and length, seed length, thousand seed weight, cone diameter and length, cone weight, mean width of 10 annual ring segment, specific gravity of wood, early to late wood ratio, resin canal number, and the seedling height showed highly significant differences among populations and some characters within population, and also between families.
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