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Liquid Culture Systems for in vitro Plant Propagation

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440 B. McAlister et al.<br />

Semi-solid<br />

Figure 7: Rooted plants grown on semisolid medium and <strong>in</strong> RITA � vessels (right) after 4<br />

days <strong>in</strong> the greenhouse.<br />

4. Conclusion<br />

Callus<br />

<strong>Liquid</strong><br />

The results <strong>in</strong>dicate that <strong>for</strong> <strong>in</strong> <strong>vitro</strong> culture of Eucalyptus, the RITA ®<br />

system results <strong>in</strong> benefits not yet obta<strong>in</strong>ed with the more commonly-used<br />

semi-solid protocols <strong>for</strong> axillary bud propagation. However, with<br />

Eucalyptus, an <strong>in</strong>itial short-term semi-solid stage is recommended as a quick<br />

and economical means of establish<strong>in</strong>g microbial-free plants. In RITA ® ,<br />

multiplication <strong>in</strong>creases with the use of the appropriate numbers of start<strong>in</strong>g

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