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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국육종학회 한국육종학회지 한국육종학회지 제41권 제3호
발행연도
2009.1
수록면
213 - 219 (7page)

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초록· 키워드

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This study was carried out to establish breeding system for interspecific hybridization of Lilium using spontaneous meiotic polyploidization of F1 OA hybrid and its progenies. Pollen viability and germination of F1 OA interspecific hybrid showed variation by collection time, indicating that pollen grain in June, which was natural blooming season, had better viability and germination ability than in October. 2n-gametes from spontaneous meiotic polyploidization of OA hybrid were crossed with either diploid Asiatic or Oriental hybrid, and subsequent progenies crossed with Asiatic hybrid as female and OA hybrid as male showed the highest efficiency, where 2x-2x A×OA produced 0.64 plants per cross combination, while 2x-2x, O×OA and 2x-2x, OA×A crosses produced 0.42 and 0.4 plant per ovary, and especially no progeny was obtained in 2x-2x, OA×O cross combination. For the subsequent progeny production, a cross between diploid Asiatic hybrid as female and diploid OA hybrid as male was the best ploidy combination. Ploidy level of subsequent progeny derived from backcross with 2n-gametes of OA hybrid revealed that triploids from 2x-2x OA×A, tetraploids from both 4x-2x, AA×OA and OO×OA, diploid from 2x-2x, O×OA, and diploids or triploids from 2x-2x, A×OA crosses were produced respectively.

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