Add time:08/28/2019         Source:sciencedirect.com

Gallic acid (I) has been isolated as a specific flowering-inhibitory substance from leaves of vegetative Kalanchoe blossfeldiana. It is also present in leaves of flowering Kalanchoe, apparently in an inactive, non-dialysable form. Gallic acid acts as a flowering inhibitor when applied to Kalanchoe, a short-day plant. Its detection and isolation was facilitated by use of a bioassay based on tissue culture of partially induced apices of the long-day plant Viscaria candida.

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