Naslov
Genetic diversity in cultivars and ecotypes of Lolium perenne

Autori
Posselt, K. Ulrich ; Bolarić, Snježana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of Abstracts of 22nd Fodder Crops and Amenity Grasses Section Meeting.EUCARPIA. / - Sankt Peterburg, 1999

Skup
EUCARPIA. 22nd Fodder Crops and Amenity Grasses Section Meeting

Mjesto i datum
Sankt Peterburg, Ruska Federacija, 17.10.1999. - 21.10.1999

Vrsta sudjelovanja
Plenarno

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Lolium perenne L.; Genetic diversity; cultivars; ecotypes; AMOVA; PCoA

Sažetak
Genetic diversity was investigated by means of RAPD-markers on 24 individuals per population. The species is highly polymorphic since 6 Primers generated almost 200 markers of wich over 90 % were polymorphic. On average cultivars revealed a higher degree of polymorphism than ecotypes. All populations showed a distinct banding pattern. By means of AMOVA the molecular variance could be partioned: For ecotypes 70% was due ti the variability within the population while 24 5 derived from among populations.The latter can be interpreted as genetic diversity. The respective figures for cultivars were about 55 vs. 45 %, thus showing a higher degree of genetic diversity. based on pairwise differences genetic distances ranged from 0.24 to 0.56 between cultivars and 0.28 to 0.44 between ecotypes. Dendrograms were constructed by means of UPGMA-clustering based on Jaccard coefficient of similarity. To even better visualise the interreltionships among the two sets and among all populations Principle Coordinate Analysis was applied.

Izvorni jezik
Engleski

POVEZANOST RADA