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  • Základní agronomické znaky dihaploidních (DH) a konvenčně šlechtěných (PD) linií řepky ozimé byly srovnávány ve čtyřech nepřekrývajících se souborech. Zkoušené linie pocházely ze šlechtitelských programů různých šlechtitelů. Každý soubor linií byl zkoušen v jiném roce letech 2001-2004 v pokusech na několika lokalitách ve čtyřech opakováních ve znáhodněných blocích. Ve výnosu semen byly mezi průměry skupin DH a PD linií jen velmi malé neprůkazné rozdíly. Rozdíly mezi skupinami DH a PD linií byly zanedbatelné i ve všech ostatních hodnocených agronomických znacích. Statistická analýza výnosu však odhalila velmi nízkou vypovídací schopnost jednoletých pokusů na více lokalitách. Závěrem lze konstatovat, že s použitím současných výběrových metod v praktickém šlechtění a současným systémem odrůdových pokusů byly získány téměř náhodné vzorky z DH a PD linií, které se v hodnocených znacích významně nelišily. (cs)
  • four not overlapping sets of cultivars, including doubled haploid (DH) lines and pedigree derived (PD) lines of winter oilseed rape, both types of lines were compared in basic agronomic traits. The tested lines originated from breeding programmes of different breeders. Each set of cultivars was tested in a different year from 2001 to 2004 in multi-location trials with four replicates. There was no consistency in yield superiority of DH or PD lines and in all four sets the differences between the means of DH and PD groups were insignificant. On average, the differences between the groups of DH and PD lines were negligible in all evaluated agronomic traits. The statistical analyses of yield performance however revealed a very low predictive value of the multilocation trials. It can be concluded that with the given selection techniques and the actual system of cultivar trials nearly random samples of possible DH and PD lines were obtained in which no superiority of DH or PD lines in the evaluated ag
  • four not overlapping sets of cultivars, including doubled haploid (DH) lines and pedigree derived (PD) lines of winter oilseed rape, both types of lines were compared in basic agronomic traits. The tested lines originated from breeding programmes of different breeders. Each set of cultivars was tested in a different year from 2001 to 2004 in multi-location trials with four replicates. There was no consistency in yield superiority of DH or PD lines and in all four sets the differences between the means of DH and PD groups were insignificant. On average, the differences between the groups of DH and PD lines were negligible in all evaluated agronomic traits. The statistical analyses of yield performance however revealed a very low predictive value of the multilocation trials. It can be concluded that with the given selection techniques and the actual system of cultivar trials nearly random samples of possible DH and PD lines were obtained in which no superiority of DH or PD lines in the evaluated ag (en)
Title
  • Agronomic performance of doubled haploid lines and pedigree-derived lines of winter oilseed rape
  • Agronomic performance of doubled haploid lines and pedigree-derived lines of winter oilseed rape (en)
  • Srovnání výkonnosti dihaploidních linií a konvenčně vyšlechtěných linií řepky ozimé (cs)
skos:prefLabel
  • Agronomic performance of doubled haploid lines and pedigree-derived lines of winter oilseed rape
  • Agronomic performance of doubled haploid lines and pedigree-derived lines of winter oilseed rape (en)
  • Srovnání výkonnosti dihaploidních linií a konvenčně vyšlechtěných linií řepky ozimé (cs)
skos:notation
  • RIV/00027006:_____/04:00000534!RIV09-MZE-00027006
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(QE0052)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 553715
http://linked.open...ai/riv/idVysledku
  • RIV/00027006:_____/04:00000534
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • winter oilseed rape; doubled haploid; seed yield; disease resistance (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [45B6C49FB768]
http://linked.open...i/riv/nazevZdroje
  • Czech Journal of Genetics and Plant Breeding
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 40
http://linked.open...iv/tvurceVysledku
  • Kučera, Vratislav
  • Vyvadilová, Miroslava
  • Klíma, Miroslav
  • Schwarzbach, E.
issn
  • 1212-1975
number of pages
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