Badanie wzrostu kultur korzeniowych oraz tworzenia i wzrostu in vitro kalusów z różnych organów marchmi odmiany Terfekcja [Growth and callus formation of tissue cultures derived from various carrot organs]

The clones of excised roots, leaves, petioles, cotylenods, hypocotyls and root calluses derived from the respective carrot fragments (cv. 'Perfekcja' commonly cultivated in Poland) were cultured in vitro. An influence of thiamine concentrations on the growth of root tissue was examined. Several various media were tested for callus cultures. Bee bread extract was also applied. The growth of isolated clones during early and later culture periods was compared