ALLOCATION OF SOURCE MATERIAL OF SHEEP FESCUE (Festuca ovina L.) BY A COMPLEX OF PRODUCTIVITY TRAITS

Article language

українська

Print date

13.08.24

Date posted online

23.11.2024

Institution

Institute of Agriculture Carpathian region of NAAS

Bibliography

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Section

Abstract

Aim. To compile a sheep fescue collection by a set of productivity traits in the Cis-Carpathian conditions and to select collection accessions – sources of valuable traits for using as starting materials the breeding of lawn grass new varieties.

Results and Discussion. At the beginning of the 21^st, lawn grasses gained great importance. Among the fescue species, the sheep fescue (Festuca ovina L.) deserves attention. It is an important ornamental species used in urban landscapes and pastures. It is found in mountainous regions and both ecologically and economically important. The sheep fescue is a perennial densely-growing bushy cereal plant with a bare smooth 20-60 cm tall stem. Stems are flattened, with a rough surface. The plant grows quite quickly, creating a carpet-like dense green mass. Therefore, it is often used as a green lawn. The material was evaluated for winter hardiness, regrowth rate in spring and after mowing, productivity, decorativeness, density, bushiness, resistance to diseases, and adverse weather factors in the Cis-Carpathian Oblast. The scientific novelty of this task is the selection of highly productive accessions. There were strong and moderate correlations between the number of generative shoots and seed weight per plant, seed weight per panicle and the number of seeds per panicle, seed weight per panicle and seed weight per plant, and between thousand seed weight and seed weight per panicle. Thus, when high-yielding varieties are created, attention should be paid to these features of the yield structure.

Conclusions.  Having investigated the collection accessions, we identified sheep fescue sources with various intensity of leaf colors. Bluish leaves were detected in three gene pool accessions: DP1288, P2694, and P2699. On average, over the three study years, the best decorativeness and highest shedding resistance were observed in the following accessions: DP1291, P2697, P2698, P2699, and P2701. Accession P2696, which yielded significantly more seeds (by 0.45 g/m² [LSD₀₅ 0.23 g/m²]) than the check cultivar, ‘Zabava’, was distinguished.

Keywords

sheep fescue, collection, accession, seeds, yield, productivity