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Microsatellite analysis of pollen flow in Rhododendron metternichii var. hondoense
Author(s) -
Kameyama Yoshiaki,
Isagi Yuji,
Naito Kazuaki,
Nakagoshi Nobukazu
Publication year - 2000
Publication title -
ecological research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.628
H-Index - 68
eISSN - 1440-1703
pISSN - 0912-3814
DOI - 10.1046/j.1440-1703.2000.00347.x
Subject(s) - pollen , quadrat , biology , microsatellite , botany , gene flow , germination , pollination , self pollination , horticulture , genetic variation , allele , biochemistry , shrub , gene
Microsatellite analysis was used to characterize the patterns of pollen flow in a 150 m × 70 m quadrat containing 18 flowering trees of Rhododendron metternichii Sieb. et Zucc. var. hondoense Nakai. Using six microsatellite genetic markers and exclusion analysis, we determined the paternal trees of 216 seedlings germinated from five fruits produced by four adults. Each fruit was pollinated by a small number of largely adjacent trees, but 20–30% of pollen came from outside the quadrat. Adult trees that produced many flowers had a high self‐pollination rate. A directional flow of pollen from late‐blooming trees to early ones was observed.