Analysis of the expression of S alleles in ‘Rocha’ pear. In this work, the expression of incompatibility genes (S-alleles) in ‘Rocha’ pear was investigated. The comparison of these alleles with the alleles of other cultivars may constitute a tool to help the technicians and farmers to choose pollinators when planning a new ‘Rocha’ orchard. We have used molecular techniques that include pistil RNA extraction fro...
In order to select pear cultivar which are genetically compatible with ‘Rocha’ (Sa, Sj), the identification of S alleles sequences of commercial cultivars with bloom periods overlapping (partially or totally) the bloom period of ‘Rocha’ was performed. Partial sequences of the S alleles from the different cultivars were amplified with specific primers, cloned and sequenced. ‘Pêra De Água’ (S22, Sb) ‘Général Lecl...
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