Open AccessChanges of genetic structure of Pinus sylvestris L. populations exposed to industrial pollution
Author(s) -
Aleksandra Wojnicka-Półtorak
Publication year - 2014
Publication title -
acta societatis botanicorum poloniae
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 29
eISSN - 2083-9480
pISSN - 0001-6977
DOI - 10.5586/asbp.1997.011
Subject(s) - biology , fixation index , genetic diversity , loss of heterozygosity , genotype , genetic variation , genetic variability , locus (genetics) , allele , genetic structure , pollution , botany , ecology , genetics , population , demography , sociology , gene
Isoenzymatic variation of Pinus sylvestris was analysed in populations from a provenance trial (IUFRO 1982) in Kórnik and their replication in Luboń. The two groups of populations originated from the same seed pool, but the one in Luboń was exposed to pollutants emitted during the production of nitrogen-phosphorus fertilizers, while the Kórnik provenance trial were used as a control group. The parameters determining the genetic structure of the studied populations - frequency of alleles and genotypes (average number of alleles and genotypes per locus), observed heterozygosity (Ho), and genotypic polymorphism index (Pg) - have higher values in the group of trees tolerant to pollution. Also fixation index (F), which indicates that homozygotic genotypes underwent selection in this group, as well as dendrites and dendrograms according to Nei and Hedrick, suggest that the genetic structure of the populations exposed to pollution was changed. The obtained results indicate that populations characterized by a greater genetic diversity are more tolerant to pollution