Somatic embryogenesis through in vitro anther culture of Citrus sinensis L. Osbeck ‘Moro’

Nicolò Iacuzzi, Maria Germana', Pablo Aleza, Garcia-Lor

Risultato della ricerca: Articlepeer review


In many crops, anther culture is the most used method to induce gametic embryogenesis, aimed to regenerate homozygous plants. However, also somatic embryogenesis can be obtained by this method, when somatic tissue is involved in regeneration process. Many factors can affect this procedure, such as genotype, pre-treatments applied to floral buds, pollen developmental stage, donor plant states, culture media composition and growth culture conditions.Anthers of Citrus sinensis L. Osbeck, cv. Moro, were collected at the vacuolate stage, and after a chilling (4°C) pre-treatment of 7 days, were placed on the same medium, evaluating different temperature stresses applied after the placing in culture.In this study, the effect of three thermal treatments, compared with direct in vitro culture of the anthers (after the pre-treatment to the floral buds at 4 °C for 7 days), was observed in a Citrus genotype. Regeneration of embryos has been obtained and their characterization, through ploidy analysis and molecular analysis, showed that they were heterozygous tetraploids.
Lingua originaleEnglish
pagine (da-a)23-31
Numero di pagine9
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

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