The growth of single cells from Nicotiana tobacum callus tissue in nutrient medium containing agar.
D000362:Agar; D003059:Cocos; D003470:Culture Media; D046508:Culture Techniques; D006540:Herbicides / Q000494:pharmacology; D009281:Naphthalenes / Q000494:pharmacology; D010947:Plants, Toxic; D014026:Nicotiana / Q000166:cytology*
D003470:Culture Media; D006540:Herbicides; D009281:Naphthalenes; D000362:Agar