ISSN:
1573-5060
Schlagwort(e):
Festuca arundinacea
;
tall fescue
;
polyploidy
;
isoelectric focusing
;
varietal identification
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
Notizen:
Summary The use of isoelectric focusing for the isozymic identification of cultivars and wild forms in tall fescue (Festuca arundinacea Schreb.) and determination of ploidy effects was investigated. Peroxidase zymograms from allopolyploid accessions (4x, 6x, 8x, and 10x, x=7) and randomly sampled plants of the cultivars ‘Kenhy’, ‘Kentucky 31’, and ‘Missouri 96’, were compared for band number, position, and staining intensity. There was little isozymic variation among plants in the tetraploid and hexaploid, but considerably more in the octoploid and decaploid members of the series. Yet no significant effects of ploidy on isozyme complexity or band number were observed. There were no consistent differences in band number, position, or frequencies among the three cultivars in spite of their diverse parentage. Isoclectric focusing can be used successfully in tall fescue, but the limited variability of the peroxidases encourages investigation of other isozyme systems in the future.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF00028320
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