Wild Cherry - valbro.de

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Selection and Breeding of Wild Cherry A new seed orchard – Selection of mother trees Selectie strategie (2/3) • Afstammingstesten − seed collection in multiclonal plantations half-sib progeny − establishment of 13 experimental plantations ( 11.3 ha ) − estimation of heritability h² A of selection criteria − assessment of General Combining Ability (GCA) for each trait for each genotype n m i n m i GCA i = ( Σ Σ T ij ) / ( Σ m i ) - ( Σ T ij ) / m i i=1 j=1 i=1 j=1 with m i = nbr. of seedlings within the hal-sib progeny of genotype i n = number of genotypes
Selection and Breeding of Wild Cherry A new seed orchard – Selection of mother trees Selectie strategie (3/3) • Construction of a selection-index I s n I s = Σ ( h² A * GCA ) i i = 1 with n = number of traits assessed • Selection of genotypes with I s – value > median
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Wild Cherry - valbro.de

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