Seed Yield of Birdsfoot Trefoil Grown in Mixture with Meadow Grasses

Institute of Mountain Stockbreeding and Agriculture, BG -5600 Troyan, Bulgaria


CHURKOVA, B., 2007. Seed yield of birdsfoot trefoil grown in mixture with meadow grasses. Bulg. J. Agric., Sci., 13: 515-520

In the 2004-2006 periods, the possibility for seed production of the birdsfoot trefoil candidate variety Troyan, grown in binary mixtures with the following meadow grasses: meadow and red fescue, Kentucky bluegrass, orchardgrass, perennial ryegrass and oatgrass, was studied in the experimental field of IMSA, Troyan.
It was found that during the whole study period, all tested mixtures were characterized by a high and stable seed yield of birdsfoot trefoil. The highest seed yield was obtained from the mixed stands of birdsfoot trefoil with red fescue and Kentucky bluegrass and on average for the study period; the increase over the control was 79.7% and 77.0%, which had very good statistical significance.
Birdsfoot trefoil mixed with red fescue had the highest values of pod number per raceme and raceme number per stem and seeds per pod.

Key words: birdsfoot trefoil, seed productivity, mixtures with meadow grasses

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