Genetic variability of maternal plants and embryos of their seeds in the populations of Pinus kochiana Klotzsch ex Koch in Crimea

被引：0
作者：
I. I. Korshykov
L. A. Kalafat
O. M. Vynogradova
D. Y. Podgornyi
机构：
[1] National Academy of Sciences of Ukraine,Kryvyi Rih Botanical Garden
[2] National Academy of Sciences of Ukraine,Institute of Food Biotechnology and Genomics
[3] National Academy of Sciences of Ukraine,Donetsk Botanical Garden
[4] Ukrainian Academy of Agricultural Sciences,Nikita Botanical Garden, National Scientific Center
来源：
Cytology and Genetics | 2016年 / 50卷
关键词：
allozymic variability of plants and embryos of ; crossing; populations; Crimea;
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摘要：
Samples of trees and seed embryos of five Pinus kochiana Klotzsch ex Koch populations in Crimea were comparatively studied at 12 allozymic loci for its genetic variability and mating system. It has been shown that the embryos of seeds reproduce the allelic diversity of maternal plants, but the level of their observed heterozygosity (Ho) is significantly lower, i.e., 0.286 vs. 0.189, respectively. Unlike maternal trees, embryos are characterized by a significant divergence between the observed distribution of genotypes and the theoretically expected one according to the Hardy–Weinberg law for the majority of analyzed loci. The frequency of cross pollination in populations varied from 0.384 to 0.673 according to single-locus (ts) estimates and from 0.639 to 0.841 according to multilocus (tm) estimates.
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页码：110 / 115
页数：5
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