A hybrid swarm population of Pinus densiflora x P. sylvestris inferred from sequence analysis of chloroplast DNA and morphological characters

Title
A hybrid swarm population of Pinus densiflora x P. sylvestris inferred from sequence analysis of chloroplast DNA and morphological characters
Author(s)
이도형Young Hee Joung[Young Hee Joung]Jerry L. Hill[Jerry L. Hill]Jung Oh Hyun[Jung Oh Hyun]Ding Mu[Ding Mu]Huchun Luo[Huchun Luo]Takayuki Kawahara[Takayuki Kawahara]Jeung Keun Suh[Jeung Keun Suh]Mark S. Roh[Mark S. Roh]
Keywords
PATERNITY ANALYSIS; MUGO TURRA; RED PINE; POLLEN; MICROSATELLITES; HYBRIDIZATION; L.
Issue Date
201303
Publisher
NORTHEAST FORESTRY UNIV
Citation
JOURNAL OF FORESTRY RESEARCH, v.24, no.1, pp.53 - 60
Abstract
To confirm a hybrid swarm population of Pinus densiflora x P. sylvestris in Jilin, China, we used needles and seeds from P. densiflora, P. sylvestris, and P. densiflora x P. sylvestris collected from natural stands or experimental stations to study whether shoot apex morphology of 4-year old seedlings can be correlated with the sequence of a chloroplast DNA simple sequence repeat marker (cpDNA SSRs). Total genomic DNA was extracted and subjected to sequence analysis of the pine cpDNA SSR marker Pt15169. Results show that morphological characters from 4-year old seedlings did not correlate with sequence variants of this marker. Marker haplotypes from all P. sylvestris trees had a CTAT element that was absent from all sampled P. densiflora trees. However, both haplotype classes involving this insertion/deletion element were found in a P. densiflora x P. sylvestris population and its seedling progeny. It was concluded that the P. densiflora x P. sylvestris accessions sampled from Jilin, China resulted from bi-directional crosses, as evidenced by both species' cpDNA haplotypes within the hybrid swarm population.
URI
http://hdl.handle.net/YU.REPOSITORY/26205http://dx.doi.org/10.1007/s11676-013-0325-1
ISSN
1007-662X
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자연자원대학 > 산림자원및조경학과 > Articles
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