Genetic Differentiation of Red Clover ( Trifolium pratense L.) Cultivars and Their Wild Relatives

Giedrius Petrauskas (), Eglė Norkevičienė and Lesia Baistruk-Hlodan
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Giedrius Petrauskas: Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Instituto al. 1, Kėdainiai District, LT-58344 Akademija, Lithuania
Eglė Norkevičienė: Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Instituto al. 1, Kėdainiai District, LT-58344 Akademija, Lithuania
Lesia Baistruk-Hlodan: Institute of Agriculture in the Carpathian Region of NAAS, Hrushevskogo Str. 5, UA-81115 Obroshyne, Ukraine

Agriculture, 2023, vol. 13, issue 5, 1-13

Abstract: Biodiversity of red clover is changing. It is become more difficult to find new breeding material. Moreover, populations with predominant morphological features of cultivars are more frequently found in wild habitats. Therefore, it is important to identify genetic structure and diversity within and among wild populations and cultivars worldwide. During this research, seed samples from wild red clover ( Trifolium pratense L.) habitats were collected in different Lithuanian sites in nemoral environmental zone. Subsequently, samples were germinated in greenhouse and randomly taken for genetic analyses. ISSR fingerprints of 339 genotypes from 13 populations and 5 varieties were analysed. Analysis of molecular variance (AMOVA) has shown high genetic variation within populations (83%). The highest polymorphism was identified in population pop2887 (PPL = 82.28%). Interestingly the polymorphism of varieties was high and ranged from 64.56 (‘Vytis’) to 83.54 (‘Liepsna’). Meanwhile, variance among populations was low—17%. Fixation index FST = 0.182 revealed high differentiation of the populations while gene flow was high with an exchange of 2.2474 migrants per generation. This revealed a high genetic diversity within populations and high gene flow between wild populations and cultivars in Lithuania.

Keywords: autochthonous clover; crop wild relatives; gene drift; interbreeding (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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