<abstract xmlns="http://www.w3.org/1999/xhtml">Leaves of <italic>Alchemilla mollis</italic> (Bauser) Rothm. were the subject of the study. The leaves were harvested early in the morning from the department’s ornamental plant collection. Selected leaves were fully-developed and showed no signs of damage or discolouring. Gibberellic acid (GA3), benzyladenine (BA), <italic>meta</italic>-methoxytopolin (MemT) and its riboside (MemTR) at concentrations of 25, 50 and 75 mg dm−3 were applied in the form of solutions to four-hour leaf-conditioning in the room at a temperature of 18-20°C. After conditioning, the leaves were placed in distilled water. Leaves put into distilled water immediately after cutting served as the control. The post-harvest longevity of leaves of <italic>Alchemilla mollis</italic> was 7.2-11.8 days. The conditioning of leaves in gibberellic acid solutions at concentrations of 25-50 mg dm−3, benzyladenine at concentrations of 25 mg dm−3 and <italic>meta</italic>-methoxytopolin and its riboside at concentrations of 75 mg dm−3 extended the post-harvest longevity of leaves by 10.1-81.9%. The conditioning of leaves in gibberellic acid at a concentration of 50 mg dm−3 inhibited the degradation of chlorophyll, as indicated by the highest SPAD index values.</abstract>

Leaves of Alchemilla mollis (Bauser) Rothm. were the subject of the study. The leaves were harvested early in the morning from the department’s ornamental plant collection. Selected leaves were fully-developed and showed no signs of damage or discolouring. Gibberellic acid (GA3), benzyladenine (BA), meta-methoxytopolin (MemT) and its riboside (MemTR) at concentrations of 25, 50 and 75 mg dm−3 were applied in the form of solutions to four-hour leaf-conditioning in the room at a temperature of 18-20°C. After conditioning, the leaves were placed in distilled water. Leaves put into distilled water immediately after cutting served as the control. The post-harvest longevity of leaves of Alchemilla mollis was 7.2-11.8 days. The conditioning of leaves in gibberellic acid solutions at concentrations of 25-50 mg dm−3, benzyladenine at concentrations of 25 mg dm−3 and meta-methoxytopolin and its riboside at concentrations of 75 mg dm−3 extended the post-harvest longevity of leaves by 10.1-81.9%. The conditioning of leaves in gibberellic acid at a concentration of 50 mg dm−3 inhibited the degradation of chlorophyll, as indicated by the highest SPAD index values.

The effect of growth regulators on post-harvest <italic>Alchemilla mollis</italic> (Bauser) Rothm. leaf longevity

Department of Ornamental Plants, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznań,

Department of Phytopathology and Seed Science Technology, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznań,

Folia Horticulturae

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The effect of growth regulators on post-harvest  (Bauser) Rothm. leaf longevity

Leaves of Alchemilla mollis (Bauser) Rothm. were the subject of the study. The leaves were harvested early in the morning from the department’s ornamental...

The effect of growth regulators on post-harvest Alchemilla mollis (Bauser) Rothm. leaf longevity

Published Online: Dec 28, 2016

Page range: 137 - 142

Received: Oct 28, 2015

Accepted: May 17, 2016

DOI: https://doi.org/10.1515/fhort-2016-0016

Keywords
BA, florists’ greens, GA, MemT, MemTR quality, vase life

© 2016 Beata Janowska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The effect of growth regulators on post-harvest Alchemilla mollis (Bauser) Rothm. leaf longevity

Published Online: Dec 28, 2016

Page range: 137 - 142

Received: Oct 28, 2015

Accepted: May 17, 2016

DOI: https://doi.org/10.1515/fhort-2016-0016

KeywordsBA, florists’ greens, GA, MemT, MemTR quality, vase life

© 2016 Beata Janowska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
BA, florists’ greens, GA, MemT, MemTR quality, vase life