Agronomic, leaf anatomy, morphology, endophyte presence and ploidy characterization of accessions of Festuca group rubra collected in northern Spain

Oliveira, J. A.; Gutiérrez-Villarias, M. I.; Fernández-Casado, M. A.; Costal-Andrade, L.; González-Arráez, E.; Bughrara, Suleiman S.; Afif, E.

doi:10.5424/sjar/2008064-5293

Cited by 7 publications

(13 citation statements)

References 20 publications

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“…McMillan (1959) showed that diverse prairie junegrass specimens were infl uenced more by conditions in the local habitat than by their native latitude. (Oliveira et al, 2008). Our data support these later fi ndings in that there were significant fl owering diff erences among accessions within the Table 3.…”

Section: Discussionsupporting

confidence: 87%

“…(Greene et al, 2008) and fi ne fescue (Festuca spp.) (Oliveira et al, 2008). Cluster analysis revealed a grouping of accessions that had a prostrate growth habit, lower seed yields, smaller seedheads, and shorter plants than the other clusters.…”

Section: Discussionmentioning

confidence: 93%

“…At St. Paul (Fig. 1), cluster analysis revealed four used with a variety of grass species to examine the relationships among accessions (Casler and vanSanten, 2000;Greene et al, 2008;Oliveira et al, 2008). The clustering of accessions may provide a biological meaning for the relatedness of the accessions based on the variables examined (Iezzoni and Pritts, 1991).…”

Section: Methodsmentioning

confidence: 99%

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Seed Production Characteristics of Prairie Junegrass Germplasm Accessions

Clark

Watkins

2010

Crop Science

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Prairie junegrass [Koeleria macrantha (Ledeb.) Shult.] is a perennial, short‐grass prairie species distributed throughout the northern hemisphere. This species is known to require fewer inputs than other cool‐season turfgrasses and it demonstrates tolerance to many environmental stresses found in Minnesota. In June 2007, 48 K. macrantha accessions from the U.S. National Plant Germplasm System (NPGS) were grown and evaluated for seed production characteristics in 2 locations (St. Paul, MN, and Becker, MN). Significant variation was found among accessions for several seed production traits including harvest date, plant height, seedhead number, and seed yield. A significant correlation between seedhead number and seed yield was found, which can be utilized for indirect selection in the production nursery. Plant growth and seed yield were highest at the Becker location, demonstrating the species' preference for well‐drained soils. Flowering times were significantly different between the locations; however, there were no significant differences in the duration from seedhead emergence to harvest between the locations. Multivariate analysis did not reveal clustering of accessions based on geographic origin, suggesting a diversity of material within collection regions.

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Section: Discussionsupporting

confidence: 87%

Section: Discussionmentioning

confidence: 93%

Section: Methodsmentioning

confidence: 99%

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Seed Production Characteristics of Prairie Junegrass Germplasm Accessions

Clark

Watkins

2010

Crop Science

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“…litoralis (G.F.W. Meyer) Auquier] (Newell and Wood, 2003). In natural stands, prairie junegrass is tolerant of the trampling that occurs on paths and provides complete cover (Dixon, 2000).…”

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confidence: 99%

Turfgrass Characteristics of Prairie Junegrass Germplasm Accessions

Clark¹,

Watkins²

2010

Crop Science

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Prairie junegrass [Koeleria macrantha (Ledeb.) Shultes] is a perennial, short‐grass prairie species distributed throughout the Northern Hemisphere. This species demonstrates tolerance to many environmental stresses in Minnesota. Forty‐eight K. macrantha accessions from the United States National Plant Germplasm System (NPGS) were grown under low‐input conditions to evaluate turfgrass quality characteristics for use in a breeding program. A second objective was to identify key geographical locations for germplasm collection. The experiment was conducted at Becker and St. Paul, MN. Nineteen accessions at Becker and 30 accessions at St. Paul performed with an adequate turf quality rating of 5.0 or higher when averaged over the 3‐yr study, suggesting the potential for use in low‐input areas. Prairie junegrass from northern collection regions displayed the highest spring green‐up ratings, an important turf trait in northern climates. There was a negative correlation between this trait and mowing quality at Becker (r = −0.44) and at St. Paul (r = −0.34). Several accessions had acceptable mowing quality and would be candidates for integration into a native prairie junegrass turfgrass breeding program. There was no correlation between inflorescence emergence and turf quality, or between inflorescence emergence and persistent straw suggesting that flowering does not necessarily affect turf quality ratings. Rust (unknown Puccinia species) was present at both locations.

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“…According to the dry matter yield, meadow fescue (9.1 t ha -1 ) and red fescue (7.0 t ha -1 ) are an important source of fodder in Croatia (Leto et al, 2006), while tall fescue (11.5 t ha -1 ) is in Serbia (Mihajlović et al, 2001). All three fescue species are characterised by a high variability of their agronomic and productive traits (Martincova, 2003;Fang et al, 2004;Oliveira et al, 2008), which provides them with great adaptability to different environmental conditions.…”

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confidence: 99%

Short communication. Effects of the duration of after-ripening period on seed germinations and seedling size in three fescue species

Stanisavljević

Dragičević

Milenković

et al. 2010

Span. j. agric. res.

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After-ripening is a complex enzymatic and biochemical process resulting in the breakage of non-deep physiological dormancy. The experiment was set up to identify the minimum duration of storage after harvest for completion of afterripening in meadow (Festuca pratensis Huds.), tall (Festuca arundinacea Schreb.) and red fescue (Festuca rubra L.). The seeds were stored under ware-house conditions for 0, 30, 60, 90, 120, 150, 180, 210 and 240 days after harvest (DAH). After the storage periods, the seeds were tested for germination and the primary root length, shoot length and seedlings biomass were measured. The final counts in all three species amounted to 60-65% germination immediately after harvest, suggesting a medium level of embryonic dormancy. The after-ripening during storage improved the final germination in all three species with decreasing intensity. In meadow fescue, the final germination was significantly improved up to 150 DAH, while the seedling size did not change significantly. In tall and red fescue, after-ripening significantly improved the final germination up to 120 DAH, while the seedling size variables reached maximum values after 150 DAH. The obtained data can serve for the determination of proper storage duration management between harvest and sowing (autumn/spring) of the tested fescue species under agro-ecological conditions of south-eastern Europe.Additional key words: autumn and spring sowing, biomass, root length, seedling dormancy-breaking effect, shoot length. ResumenComunicación corta. Efecto del periodo de post-maduración sobre la germinación de semillas y crecimiento de plántulas en tres especies de festuca La post-maduración es un proceso enzimático y bioquímico complejo que resulta en la rotura de la latencia fisiológica poco profunda. El experimento se estableció para identificar el tiempo mínimo de almacenamiento después de la cosecha para la terminación de la post-maduración en festuca de prados (Festuca pratensis Huds.), festuca alta (Festuca arundinacea Schreb.) y festuca roja (Festuca rubra L.). Las semillas se almacenaron durante 0, 30, 60, 90, 120, 150, 180, 210 y 240 días después de la cosecha (DAH). Después de los períodos de almacenamiento, se analizó la germinación de las semillas y se midieron la longitud de la raíz primaria, la longitud del vástago y la biomasa de las plán-tulas. Las tres especies tuvieron 60-65% de germinación inmediatamente después de la cosecha, lo que indica un nivel medio de latencia de embriones. La post-maduración durante el almacenamiento mejoró la germinación final en las tres especies, con una intensidad decreciente. En F. pratensis la germinación final aumentó considerablemente hasta 150 DAH, mientras que el tamaño de plántulas no cambió significativamente. En F. arundinacea y F. rubra la postmaduración mejoró significativamente la germinación final hasta 120 DAH, mientras que el tamaño de las plántulas alcanzó valores máximos después de 150 DAH. Los datos obtenidos pueden servir para una gestión adecuada de la duración de almac...

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Agronomic, leaf anatomy, morphology, endophyte presence and ploidy characterization of accessions of Festuca group rubra collected in northern Spain

Cited by 7 publications

References 20 publications

Seed Production Characteristics of Prairie Junegrass Germplasm Accessions

Seed Production Characteristics of Prairie Junegrass Germplasm Accessions

Turfgrass Characteristics of Prairie Junegrass Germplasm Accessions

Short communication. Effects of the duration of after-ripening period on seed germinations and seedling size in three fescue species

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