Original scientific paper
https://doi.org/10.5513/JCEA01/16.2.1606
Model of high-productive varieties in forage pea
VALENTIN KOSEV
; Institute of Forage Crops – Pleven, Gen.Vladimir Vazov 89 street, 5800 Pleven, Bulgaria
Abstract
A linear equation of regression was used for establishment of the influence of quantitative characteristics on the grain productivity in forage pea and for development of a model for breeding work. The model for pea plant with high productivity was characterized by average height of 60–70 cm, 8–10 formed pods, 30–40 seeds per plant and 160–260 g in regard to 1000-seed weight.The obtained results showed that the greatest effect on grain productivity had the seed number per plant, first pod height and 1000-seed weight. Kristal variety had high ecological plasticity and could be considered as close to an ideal type, suitable for growing under wide range of environments. Pleven 4 and Rezonator were determined as high-productive varieties and with low stability, Kerpo and Pikardi - as low-productive but stable varieties. Druzba was identified as unstable and low-productive variety.
Keywords
peas; Pisum sativum L.; productivity; quantitative characteristics; regression; stability
Hrčak ID:
141293
URI
Publication date:
15.6.2015.
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