**5. Conclusion**

The germination of seeds of *P. americana* var. drymifolia and *P. americana* var. americana in an *in vitro* system made it possible to obtain homogeneous seedlings with complete tissue development that were free of pathogens. This system also improved germination time compared to *ex vitro* germination, so it could be useful in future research on avocado plants. The method may also prove useful for work on topics like genetic selection, environmental stress, and pathogen tolerance.

In Vitro *Seed Germination and Seedling Development of Two Avocado Varieties DOI: http://dx.doi.org/10.5772/intechopen.107005*
