Ucar Turker a, Yucesan, B, and Gurel E. 2010. Adventitious shoot regeneration from stem internode explants of Verbena officinalis L., a medicinal plant. Turkish Journal of Biology. 34: 297-304.
Scientists have discovered that new plants can be grown from pieces of old plants through a process called "plant tissue culture." In this process, pieces of plants are placed in a media containing specific growth regulating chemicals, and from this a whole new plant can be grown. And the new plant will be a genetic duplicate of the old plant. The authors of this study tested whether different parts of a specific plant, called Verbena officinalis, could be better at producing a whole new plant through the process of plant tissue culture. By taking different parts of the plant, and growing them on media containing a different amounts and concentrations of plant growth regulating chemicals, the authors were able to determine which parts of the plant, grown under which conditions, would be best able to produce new plants.
The experiment was divided into two parts: the growth of the shoots, and the growth of the roots. The authors first experimented with the shoot regeneration process by sprouting Verbena officinalis seeds and letting them grow for a number of weeks. They then took the young Verbena plants divided them into leaves, petioles (the part between the stem and the leaf), and internode sections (part of the stem); and...
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