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다래(Actinidia arguta), 양다래(A. deliciosa), 다래×양다래(A. arguta×A.deliciosa) 품종의 엽 형태적 변이 분석
이병실 ( Byoung Sil Lee ),이문호 ( Moon Ho Lee ),황석인 ( Suk In Hwang ),김선창 ( Sun Chang Kim ),한상섭 ( Sang Sup Han ) 한국산림과학회 2003 한국산림과학회지 Vol.92 No.3
Attempts were made to develop varieties having both cold hardiness and high productivity by hybridizing native Actinidia arguta as maternal parent and exotic A. deliciosa as pollen donor. The progenies produced by the hybridization were planted in container within greenhouse, and their morphological leaf characters were examined by discriminant analysis. The results showed that the hybrids resembled their maternal parent in the leaf characters including length of leaf blade, maximum width of leaf, and length of Petiole. However, some characters as the presence of trichomes in leaves, petioles, and stem came from their paternal parent. On the other hand, angle of leaf base, number of serrate, and number of lateral vein appeared to be intermediate of their parents . In the canonical discriminant analysis, primary discriminant function including length of leaf blade, maximum width of leaf, the ratio of length of leaf blade to maximum width of leaf, and the presence of trichomes in leaf, petioles, and stem appeared to be major variables with the contribution proportion of 82.4% in species classification. Although there are extensive variation in leaf characters among the hybrid progenies , many of the characters appeared to be closer to their maternal parent.