2004
DOI: 10.1590/s0100-204x2004000700015
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Somatic hybridization between Citrus sinensis (L.) Osbeck and C. grandis (L.) Osbeck

Abstract: This work had as objective to produce citrus somatic hybrids between sweet oranges and pummelos. After chemical fusion of sweet orange embryogenic protoplasts with pummelo mesophyll-derived protoplasts, plants were regenerated by somatic embryogenesis and acclimatized in a greenhouse. The hybrids of 'Hamlin' sweet orange + 'Indian Red' pummelo and 'Hamlin' sweet orange + 'Singapura' pummelo were confirmed by leaf morphology, chromosome counting and molecular analysis. These hybrids have potential to be used di… Show more

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Cited by 12 publications
(8 citation statements)
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References 12 publications
(11 reference statements)
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“…Somatic hybridization has contributed tremendously to citrus improvement and many citrus somatic hybrids have been reported to be in use in various breeding programs (Gloria et al, 2000;Calixto, 2004). Even though symmetric somatic hybrids have great potential for rootstock improvement and as tetraploid breeding parents in interploid crosses, they may not have direct application as scion cultivars as they may present complex genetic constitution.…”
Section: Introductionmentioning
confidence: 99%
“…Somatic hybridization has contributed tremendously to citrus improvement and many citrus somatic hybrids have been reported to be in use in various breeding programs (Gloria et al, 2000;Calixto, 2004). Even though symmetric somatic hybrids have great potential for rootstock improvement and as tetraploid breeding parents in interploid crosses, they may not have direct application as scion cultivars as they may present complex genetic constitution.…”
Section: Introductionmentioning
confidence: 99%
“…Os híbridos somáticos laranja 'Hamlin' (Citrus sinensis) + toranja 'Indian Red' (Citrus grandis) (plantas 1 e 2, com genótipo e fenótipo distintos) e laranja 'Hamlin' (C. sinensis) + toranja 'Singapura' (C. grandis) (CALIXTO et al, 2004) foram propagados para avaliação da reação à Phytophthora nicotianae.…”
Section: Materials Vegetalunclassified
“…As toranjas apresentam tolerância a doenças induzidas por Phytophthora spp., além de tolerar estresse salino e altos valores de pH do solo (MOORE et al, 2000). Portanto, o desenvolvimento desses híbridos somáticos tem como propósito poderem ser utilizados em programas de melhoramento de citros como porta-enxertos resistentes a doenças induzidas por Phytophthora spp., além de apresentar uma progênie altamente nucelar através da complementaridade das características dos genitores (CALIXTO et al, 2004). Avaliações adicionais sobre a tolerância dos híbridos somáticos ao vírus da tristeza dos citros (CTV) utilizados neste experimento indicaram que os mesmos podem ser considerados tolerantes a este patógeno (dados não apresentados).…”
Section: Reação à Infecção De Tronco Por Phytophthora Nicotianaeunclassified
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