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Self-incompatibility characterization in segregating populations of apple trees with DNA markers for S-alleles Rev. Bras. Frutic.
Brancher,Thyana Lays; Hawerroth,Maraisa Crestani; Hawerroth,Fernando José; Kvitschal,Marcus Vinícius; Denardi,Frederico; Guidolin,Altamir Frederico.
Abstract The objective of this study was to characterize the parents and respective populations of apple trees regarding S-alleles to confirm their genealogy and to evaluate the efficiency of the molecular markers used. Sixteen specific sets of primers were used for identification of apple S-alleles by PCR. Two segregating populations of the Epagri Apple Breeding Program resulting from crosses between ‘Fred Hough’ × ‘Monalisa’ and ‘M-11/00’ × ‘M-13/91’ were evaluated. The expected segregations are 1:1:1:1 for full compatibility and 1:1 for semi-compatibility, which can be confirmed by the X2 test. The ‘Fred Hough’ (S5S19) × ‘Monalisa’ (S2S10) cross proved to be fully compatible; and two triploids were identified among the hybrids as well. The ‘M-11/00’...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus × domestica Borkh; S genotype; S-RNase; Allele-specific PCR; Segregation.
Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452021000100801
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Comparison of fruit maturation and quality of ‘Gala’ apple strains at harvest and after storage Rev. Bras. Frutic.
Argenta,Luiz Carlos; Amarante,Cassandro Vidal Talamini do; Brancher,Thyana Lays; Betinelli,Karyne Souza; Bartinick,Vinícius Adão; Nesi,Cristiano Nunes.
Abstract Strains of ‘Gala’ apples with highly red-colored skins have been planted in new orchards based on consumer interest and financial returns to the producers. The effect of somatic mutation may not be limited to change in fruit skin appearance. In this study, six ‘Gala’ strains were compared regarding fruit maturity and quality attributes at commercial harvest time and after 210 days in controlled atmosphere cold storage plus seven days shelf-life. Experimental orchards were established in three regions and fruit assessed over four seasons. The fruit skin red color area was highest in ‘Baigent’ and ‘Galaxy’, and lowest in ‘Royal Gala’ and ‘Imperial Gala’. Fruit of ‘Maxi Gala’ and ‘Gala Real’ had intermediate skin coloration among the six strains....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus × domestica Borkh; Fruit skin color; Storability; Physiological disorder; Disease.
Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452021000100301
Registros recuperados: 2
Primeira ... 1 ... Última
 

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