depends on the root system and on the stem and when both these organs are present nicotine can be synthesized by scions grafted on them even of plants normally unable to do so. … 1.plant propagation …
Abstract
Grafting experiments show that the formation of nicotine in tobacco depends on the root system and on the stem and when both these organs are present nicotine can be synthesized by scions grafted on them even of plants normally unable to do so.