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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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304 A.M. VIEITEZ ET AL.<br />

Figure 1. Shoot culture initiation from buds <strong>of</strong> mature chestnut trees. A) Forced flushing <strong>of</strong><br />

cuttings taken from basal sprouts <strong>of</strong> an adult tree. B) Shoots excised from flushed cuttings<br />

(upper), sterilized shoots (middle) <strong>and</strong> sectioned shoot tip explants to be established in vitro<br />

(lower). C) Shoot development from a primary explant <strong>of</strong> basal sprout origin 1 month after<br />

culture initiation. D) Initial cultures <strong>of</strong> etiolated (left) <strong>and</strong> unetiolated (right) crown-derived<br />

material. E) Plant grafted onto seedling rootstock, exhibiting new shoots to be used as source<br />

<strong>of</strong> crown-derived explants. F) Proliferating shoot cultures originated from crown branches<br />

(left) <strong>and</strong> basal sprouts (right), after 4 weeks in multiplication medium.

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