해송 × 소나무 F1 교잡종의 특성
Characteristics of Control-Pollinated Progenies ofPinus thunbergii ？ P. densiflora
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Abstract
- Seedlings height of hybrids varied depending on mating combinations. Among the progenies from the matingcombination, P. thunbergii (CN4)× P. densiflora (KW29) showed the best plant growth. The mean height of thiscombination was 521 cm at the age of 8 years (yrs), which was 9% higher than rest of the crosses. Seedlings height ofprogenies using P. thunbergii (JN37) as mother tree showed 28%, 33%, and 29% higher than those of open-pollinatedprogenies of the mother tree at the ages of 4yrs, 6yrs, and 8yrs, respectively. On the other hand, using P. densiflora(KB5) as father tree showed 45%, 48%, and 32% higher than those of open-pollinated progenies of the father tree. Thisresult may be caused by hybrid vigor.Key words - Hybrid vigor, Needle characters,Pinus densiflora, Pinus. thunbergii
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