Acta Univ. Agric. Silvic. Mendelianae Brun. 2014, 62(5), 971-977 | DOI: 10.11118/actaun201462050971

The study of similarities among Czech alfalfa (Medicago sativa L.) varieties

Daniela Knotová1, Jiří Skládanka2, Jan Pelikán3
1 Department of Genetic Resources, Agricultural Research, Ltd., Zahradní 400/1, 664 41, Troubsko, Czech Republic
2 Department of Animal Nutrition and Forage Production, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
3 Department of Genetic Resources, Research Institute for Fodder Crops, Ltd. Troubsko, Zahradní 400/1, 664 41, Troubsko, Czech Republic

Within the period of 2010-2011, a set of 14 Czech alfalfa cultivars was evaluated in the research locality Troubsko. On small plots and also in the individual plantations altogether 51 descriptors were evaluated. Statistical differences existing among cultivars in individual trait sunder study were analysed using the method of point and interval estimations of average values. Intraspecific variability was studied on the base of estimation of variation coefficients. A high degree of intraspecific uniformity was found in cultivars 'Jarka' and 'Holyna' while the lowest one was registered in the cultivar 'Litava'. Green matter yields ranged from 66.3 t.ha-1 ('Jitka') to 77.2 t.ha-1 ('Holyna'), hay yields from 11.71 t.ha-1 ('Jitka') to 15.43 t.ha-1 ('Jarka'), and yields of seed from 0.19 t.ha-1 ('Jitka') to 0.35 t.ha-1 ('Kamila'). As far as the descriptor "Alfalfa tuft dry matter" was concerned, cultivars 'Oslava' and 'Holyna' were statistically highly significantly (P < 0.01) better than than cultivars 'Jitka' and 'Vlasta'. As far as the descriptor "Width of the terminal leaflet" was concerned, the cultivar 'Palava' was statistically highly significantly better (P < 0.01) than cultivars 'Vlasta', 'Litava', and 'Denisa'. The existence of similarity of cultivars under study was determined by means of cluster analysis. It was found out that the highest degree of similarity existed between cultivars 'Morava' and 'Niva'.

Keywords: Cluster analyses, Medicago sativa L., variability, yields
Grants and funding:

The work was supported by the Ministry of Agriculture of the Czech Republic (National Programme on Conservation and Utilization of Plant Genetic Resources and Agro-biodiversity) and Ministry of Education, Youth and Sports (Institutional research project No. MSM 2629608001).

Published: December 2, 2014  Show citation

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Knotová, D., Skládanka, J., & Pelikán, J. (2014). The study of similarities among Czech alfalfa (Medicago sativa L.) varieties. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 62(5), 971-977. doi: 10.11118/actaun201462050971
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