Fertilisation assessment and postzygotic development in several intra- and interspecific Prunus hybrids |
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Authors: | M J Rubio-Cabetas R Socias i Company |
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Institution: | (1) Unidad de Fruticultura. S.I.A.-D.G.A., Campus de Aula Dei. Apartado 727, 50080 Zaragoza, Spain |
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Abstract: | Summary the clearing technique was applied to assess fertilisation and to follow the postzygotic development in ten intra- and interspecific crosses among Prunus species used as rootstocks. The technique allowed to distinguish fertilised ovules from unfertilised ones, as well as to calculate the fertilisation percentage in intra-and interspecific compatible crosses. All the stages from unfertilised to fertilised ovules were analysed in order to determine the best time for embryo rescue. Differences in postzygotic development among the crosses are discussed in terms of the genotype of the seed parent in the pollen-pistil interactions.Abbreviations DAP
Days After Pollination |
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Keywords: | clearing technique interspecific hybridisation Prunus L postzygotic development rootstocks woody plants |
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