Cytokinin activity in rose petals and its relation to senescence.

  title={Cytokinin activity in rose petals and its relation to senescence.},
  author={Shimon Mayak and Abraham H. Halevy},
  journal={Plant physiology},
  volume={46 4},
Cytokinin activity in young rose petals was higher than in old ones. The content of endogenous cytokinins in petals of a short-lived variety (Golden Wave) was lower than in a long-lived variety (Lovita). Application of the cytokinin, N(6)-benzyladenine, increased longevity of the short-lived variety. This strengthens the view that cytokinins participate in the endogenous regulation of senescence in rose petals. 

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