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Protocols for Micropropagation of Woody Trees and Fruits

Protocols for Micropropagation of Woody Trees and Fruits

Protocols for Micropropagation of Woody Trees and Fruits

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DOUBLED-HAPLOID MICROPROPAGATION IN QUERCUS SUBER L.<br />

celltrics disposable filter. Small globular embryos, the proliferating tissue <strong>of</strong> the<br />

embryo base <strong>and</strong> the embryo axis without cotyledons provide a good material <strong>for</strong> the<br />

analysis <strong>of</strong> the ploidy level. The suspension <strong>of</strong> released nuclei was stained with 1500<br />

µl staining solution (Partec Cystain UV precise P Kit) <strong>and</strong> left <strong>for</strong> 5 min.<br />

Figure 2. Procedures <strong>for</strong> induction <strong>and</strong> proliferation <strong>of</strong> gametic embryogenesis in cork oak<br />

(Quercus suber L.). A) Quercus suber L. tree. B) Branches with catkins. C) Cork oak anther<br />

cultures on induction medium supplemented with activated charcoal. D) Microspore embryogenesis<br />

from some cork oak anthers. E) Detail <strong>of</strong> small globular embryos emerging from inside<br />

the anther. F) Proliferation <strong>of</strong> cork oak haploid embryos.<br />

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