Hello, I'm looking for a protocol (composition of the culture support) for in-vitro culture of tobacco. I expect to have a good efficiency of roots developement. Thanks for answers. LAURENT MARCHÉ marche at rennes.inra.fr INRA- Laboratoire de Zoologie centre de Rennes 35653 LE RHEU TEL : (33)02.99.28.51.59 fax : (33) 02.99.28.51.50 ---