Nicotine synthesis in Nicotiana tabacum L. induced by mechanical wounding is regulated by auxin.

@article{Shi2006NicotineSI,
  title={Nicotine synthesis in Nicotiana tabacum L. induced by mechanical wounding is regulated by auxin.},
  author={Qiumei Shi and Chunjian Li and Fusuo Zhang},
  journal={Journal of experimental botany},
  year={2006},
  volume={57 11},
  pages={2899-907}
}
The effects of different kinds of mechanical wounding on nicotine production in tobacco plants were compared, with sand or hydroponics culture under controlled conditions. Both removal of the shoot apex and damage of the youngest unfolded leaves nos 1 and 2 by a comb-like brusher with 720 punctures caused an increase in nicotine concentration in whole plants at day 3, and reached its highest level at day 6. The nicotine concentration induced by excision of the shoot apex was much higher than… CONTINUE READING

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