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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 />

Figure 1. Series <strong>of</strong> the development <strong>of</strong> catkins <strong>and</strong> microspores be<strong>for</strong>e pollen release. A) Developmental<br />

stages <strong>of</strong> catkins. B) tetrad stage <strong>and</strong> microspore release. C) Early uni-nucleated<br />

microspore stage. D) Late uni-nucleated or vacuolated stage. E) Early bi-nucleated pollen<br />

stage.<br />

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