The first flowering time, and flower number of Petunia hybrida "Fantasy Pink" cultivated separately in long days and short days were recorded.

The LI_6400 Portable photosynthesis of LI_COR was used to study the photosynthetic characteristics in leaves of Gerbera hybrida in greenhouses.

In this thesis, a number of experimental had been performed on Rosa hybrida, Eustoma grandiflorum and Cosmos sulphurens, using the technique of vacuum freeze-drying and embedding drying.