Biogas plants provide multiple benefits at household, local, national and global levels. The major impacts can be seen on gender, poverty, health, employment and environment of the community.

Micropropagation is the aim for which the technology of plant tissue culture arose. However, it is an essential tool for important studies in various fields such as biology, biochemistry, molecular biology, and biotechnology.

The plants of Iraq, the ancient Mesopotamian land of civilization, are interesting. In this dry and arid region they, especially the herbaceous ones, take a special condensed course of life compared with the plants inhabiting mild and moderate climatic regions.