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Article
Tetraploid citrus progenies arising from FDR and SDR unreduced pollen in 4x X 2x hybridizations
Polyploid citrus arise by somatic and sexual polyploidization, and both have been used in triploid breeding programs. Sexual polyploidization is mainly achieved by first-division restitution (FDR) or second-di...
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Article
Inheritance in doubled-diploid clementine and comparative study with SDR unreduced gametes of diploid clementine
Tetraploid clementine displays mainly tetrasomic inheritance. Genetic structures of 2n SDR and 2 × gametes from DD clementine are complementary and will guides triploids citrus breedin...
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Article
Implementation of extensive citrus triploid breeding programs based on 4x × 2x sexual hybridisations
Seedlessness is one of the most important characteristics for mandarins for the fresh-fruit market, and mandarin triploid hybrids have this trait. Triploid citrus plants can be recovered by 4x × 2x hybridisati...
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Article
Extensive citrus triploid hybrid production by 2x × 4x sexual hybridizations and parent-effect on the length of the juvenile phase
The citrus fresh market demands the production of seedless citrus fruits, as seedy fruits are not accepted by consumers. The recovery of triploid plants has proven to be the most promising approach to achieve ...
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Article
Multilocus half-tetrad analysis and centromere map** in citrus: evidence of SDR mechanism for 2n megagametophyte production and partial chiasma interference in mandarin cv ‘Fortune’
The genetic structure of 2n gametes and, particularly, the parental heterozygosity restitution at each locus depends on the meiotic process by which they originated, with first-division restitution and second-div...
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Article
Non-additive gene regulation in a citrus allotetraploid somatic hybrid between C. reticulata Blanco and C. limon (L.) Burm
Polyploid plants often produce new phenotypes, exceeding the range of variability existing in the diploid gene pool. Several hundred citrus allotetraploid hybrids have been created by somatic hybridization. Th...
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Article
Recovery of citrus triploid hybrids by embryo rescue and flow cytometry from 2x × 2x sexual hybridisation and its application to extensive breeding programs
Seedlessness is one of the most important characteristics for mandarins for the fresh-fruit market and mandarin triploid hybrids have this trait. Citrus triploid plants can be recovered by 2x × 2x sexual hybri...
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Article
Isozyme Variation in Passiflora Subgenus Tacsonia: Geographic and Interspecific Differentiation Among the Three Most Common Species
In a general study of banana passion fruit genetic resources, diversity was analyzed in the two main cultigens, P. tripartita var. mollissima and P. tarminiana, and their closest wild relative, P. mixta, scori...
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Article
Non-random inheritance of mitochondrial genomes in Citrus hybrids produced by protoplast fusion
Somatic hybridization offers the possibility of manipulating chloroplast and mitochondrial genomes and evaluating their role on cultivar qualities in citrus. Numerous associations between Willow-leaf mandarin (C...
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Article
Somatic hybridization in citrus: An effective tool to facilitate variety improvement
Citrus somatic hybridization and cybridization via protoplast fusion has become an integral part of citrus variety improvement programs worldwide. Citrus somatic hybrid plants have been regenerated from more than...
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Article
Improvement of Citrus somatic embryo development by temporary immersion
Liquid medium improves and facilitates somatic embryo development from Citrus deliciosa Ten. suspension cultures. Three different culture conditions were compared to determine a means of overcoming poor somati...
