Fig. 1.

External appearance of Linum grandiflorum callus cultures cultivated (a) on the basic nutrient medium and (b) on the medium containing yeast extract (500 mg/L). Both calli are 22 days old.

External appearance of Linum grandiflorum callus cultures cultivated (a) on the basic nutrient medium and (b) on the medium containing yeast extract (500 mg/L). Both calli are 22 days old.