Hydroponic evaluation of growth and nutrient uptake in a Lolium/Festuca introgression series

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Abstract

Introgression breeding represents a useful method for generating new germplasm resources which combine positive attributes from different species. Within forage grasses, the interfertility of Lolium and Festuca spp. represents a viable route for achieving this end. In order to evaluate the architecture of trait inheritance within this introgression context, a complete chromosome introgression series of F. pratensis (Fp; meadow fescue) in the L. perenne (Lp; perennial ryegrass) back-ground, and derived progeny, were evaluated for shoot and root biomass and N and P uptake in a hydroponic experiment. The results indicated that the Fp parent and the monosomic introgressions relating to Fp chromosomes 3 and 4 showed enhanced shoot and root biomass. However, there was no clear relationship be-tween these phenotypes of the Fp chromosome 3 and 4 monosomic introgressions and that of their derived, respective, progenies. Thus, the interaction between the Lp and Fp genomes in determining phenotype is likely to be complex.
Original languageEnglish
Pages66
Number of pages1
Publication statusPublished - 2017
EventJoint Meeting of EUCARPIA Fodder Crops and Amenity Grasses Section and Protein Crops Working Group of Oil and Protein Crops Section: Breeding Grasses and Protein Crops in the Era of Genomics - Vilinus, Lithuania
Duration: 11 Sept 201714 Sept 2017

Conference

ConferenceJoint Meeting of EUCARPIA Fodder Crops and Amenity Grasses Section and Protein Crops Working Group of Oil and Protein Crops Section
Country/TerritoryLithuania
CityVilinus
Period11 Sept 201714 Sept 2017

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