Abstract
Perennial ryegrass (Lolium perenne L.) is one of the most important perennial cool-season forage grasses. It is highly productive, with the highest nutritive value among forage grasses, adapted for frequent defoliation and grazing. Market demands focus interest of perennial ryegrass breeders to production of cultivars with high, stable yield and good dry matter quality, tolerant to drought, frost and other stressful environmental conditions, with different maturity. According to that, initial breeding material must be heterogeneous, with a range of different genotypes, either cultivars or wild populations. In this article the diversity in a collection of perennial ryegrass cultivars has been investigated at the beginning of the breeding process. The collection consisted of 21 genotypes which originated from Europe and USA. Within a 2-year period time of tillering, crop height in first and regeneration in second cut, annual yield and nutritive value of dry matter were investigated. The data were analysed by ANOVA on the basis of 2-year mean values and all traits showed great level of variability. Highest annual dry matter yield of about 14tha−1 was achieved by cultivars Mara and K-11, both being intermediate diploid varieties.
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This research has been financed by Ministry of science and technology of Republic of Serbia (Project TR20048).
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Sokolović, D. et al. (2010). Dry Matter Production and Nutritive Value of Perennial Ryegrass Cultivars Collection. In: Huyghe, C. (eds) Sustainable use of Genetic Diversity in Forage and Turf Breeding. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-8706-5_48
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DOI: https://doi.org/10.1007/978-90-481-8706-5_48
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