Assessment of new materials for hybrid breeding of winter triticale with rye cytoplasm of the Pampa type
Bogusław Łapiński
b.lapinski@ihar.edu.plKrajowe Centrum Roślinnych Zasobów Genowych, Instytut Hodowli i Aklimatyzacji Roślin — PIB, Radzików (Poland)
Jacek Matusiak
Krajowe Centrum Roślinnych Zasobów Genowych, Instytut Hodowli i Aklimatyzacji Roślin — PIB, Radzików (Poland)
Abstract
Yield level, thousand kernels weight (TKW), test weight (TW) and restoration index (IR) were investigated in a field experiment (5 m2 plots, 4 randomized blocks) with 29 F1 hybrids obtained after the first pre-breeding cycle of winter triticale with the Pampa CMS cytoplasm, transferred from rye. The IR ranged from 4.9% to 91.3%, the yield varied between 25.9% and 91.7% of the Moderato cultivar control (3.1 kg/5 m2), the TKW was within the scope 24.3g–38.5g (27.7 g for Moderato ) and the TW ranged from 56.1 kg/hl to 68.1 kg/hl (63.03 kg/hl for Moderato ). Usefulness of the best selected female and male lines for the next breeding cycle is analyzed and methods are discussed for creation of new cross components ensuring higher levels of heterosis and tolerance of the Pampa cytoplasm.
Keywords:
CMS Pampa, hybrid breeding, restoration index, test weight, thousand kernels weight, winter triticale, yieldReferences
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Authors
Bogusław Łapińskib.lapinski@ihar.edu.pl
Krajowe Centrum Roślinnych Zasobów Genowych, Instytut Hodowli i Aklimatyzacji Roślin — PIB, Radzików Poland
Authors
Jacek MatusiakKrajowe Centrum Roślinnych Zasobów Genowych, Instytut Hodowli i Aklimatyzacji Roślin — PIB, Radzików Poland
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Copyright (c) 2011 Bogusław Łapiński, Jacek Matusiak
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