GENOTYPIC POPULATION STRUCTURE OF ASCOCHYTA PINODES AND PHOMA PINODELLA IN POLAND

Helena Furgał-Węgrzycka

University of Warmia and Mazury in Olsztyn (Poland)

Michał Węgrzycki

University of Warmia and Mazury in Olsztyn (Poland)

Abstract

The genotypic populations structure of Ascochyta pinodes and Phoma pinodella was de ter mined across a hierarchy of spatial and temporal scale by using vegetative in compatibility system as phenotypic genetic marker. Components of genetic variation within and be tween populations included the following values: in dices of diversity H’, richness (g), indices of evenness E1, E2 and E5, spatio-temporal analysis of genotypic variation (HT and HS val ues), pairwise comparisons of geno type diversity, distribution of VCGs across spatio-temporal scale (GST value) and analysis of variance calculated on VCGs ge no type frequencies within populations... 

Keywords:

Mycosphaerella (Didymella) pinodes anamorph Ascochyta pinodes, Phoma pinodella (teleomorph Didymella), genotypic population structure, components the genetic variation of population, VCG frequency, spatial and temporal VCG diversity