biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 46:597-600, 2003 | DOI: 10.1023/B:BIOP.0000041069.27805.89

Inhibitory Effect of Brassinosteroids on the Flowering of the Short-Day Plant Pharbitis nil

J. Kęsy1, A. Trzaskalska1, E. Galoch1, J. Kopcewicz1
1 Department of Plant Physiology and Morphogenesis, Institute of General and Molecular Biology, Nicolaus Copernicus University, Toruń, Poland, e-mail

The effect of exogenous brassinosteroids (BR) on the flowering induction of Pharbitis nil was examined. Generally plants treated with brassinolide and castasterone form less number of flowers than control plants, but degree of flowering inhibition was depended on the concentration and the method of BR application as well as the length of the inductive dark period. In plants regenerated from sub-induced apices treated with brassinolide at concentration of 1 and 10 μM the flower formation was inhibited completely.

Keywords: brassinolide; castasterone; photoperiod
Subjects: brassinolide; brassinosteroids; castasterone; flowering, brassinosteroid inhibition; Pharbitis nil

Published: December 1, 2003  Show citation

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Kęsy, J., Trzaskalska, A., Galoch, E., & Kopcewicz, J. (2003). Inhibitory Effect of Brassinosteroids on the Flowering of the Short-Day Plant Pharbitis nil. Biologia plantarum, 46(4), 597-600. doi: 10.1023/B:BIOP.0000041069.27805.89
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