Abstract
22 commercial mixtures were compared in a mowing trial (complete block design, 2 replicates) in 4 locations during 3 consecutive years. These mixtures contained mainly diploid and tetraploid varieties of Lolium perenne L.. Festuca pratensis Huds., Phleum pratense L. and Trifolium repens L. were also included at various times. 250 - 400 kg N.ha-1.year-1 was used. Dry matter yield (DM-yield), disease resistance and persistence were evaluated. Similar results were obtained for all three performance parameters (DM-yield, crown rust resistance and persistence) of the mixtures as compared with the individual components.
 There was almost no relationship between the percentage of diploid perennial ryegrass in the mixture and its persistence (R2 = 0.18). Similar results were obtained for the relation between the percentage of tetraploid perennial ryegrass in the mixture, as well as for disease resistance of the mixture in late summer (R2 = 0.25).
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Schedule a callMore From: Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Agriculture
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