Self-incompatibility in passion fruit: evidence of two locus genetic control |
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| Authors: | M M R do Rêgo C H Bruckner E A M da Silva F L Finger D L de Siqueira A A Fernandes |
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| Institution: | (1) Campus de Paricarana, Universidade Federal de Roraima, 69300-270 Boa Vista-RR, Brazil, BR;(2) Departamento de Fitotecnia, Universidade Federal de Vicosa, 36571-000-Vicosa-MG, Brazil, BR;(3) Departamento de Biologia Vegetal, Universidade Federal de Vicosa, 36571-000 Vicosa-MG, Brazil, BR |
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| Abstract: | The self-incompatibility in yellow passion fruit was previously described as homomorphic sporophytic with monofactorial inheritance.
Five progenies were obtained by bud-selfing. The plants of these progenies were selfed, reciprocally crossed within each progeny
and crossed with known incompatible phenotypes to identify their phenotypic group. Fruit set was evaluated at the 7th day
after pollination. Two progenies consisted of two self-incompatible groups, the other three formed three suck groups. The
groups were identified as S1, S2, S3, S4, S5 and S6. The results provide evidence that the self-incompatibility of passion fruit is controlled by two loci, the S-gene and another,
whose expression needs to be investigated.
Received: 20 June 1998 / Accepted: 13 July 1998 |
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| Keywords: | Passiflora Self-incompatibility Genetics |
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