Biologia plantarum 55:779, 2011 | DOI: 10.1007/s10535-011-0187-3

Catechin promotes growth of Arabidopsis thaliana with concomitant changes in vascular system, photosynthesis and hormone content

A. Rani1,*, S. Kumar Vats2, M. Sharma1, S. Kumar1
1 Biotechnology Division, Institute of Himalayan Bioresource Technology, Palampur, India
2 Biodiversity Division, Institute of Himalayan Bioresource Technology, Palampur, India

Catechin is associated with several functions in animal and plant systems, with little information available regarding its role in plant growth. Low concentrations of catechin (50 and 100 μM) were found to enhance length of primary and lateral roots, number of lateral roots, fresh and dry masses of shoots and roots, leaf area, water potential of leaf and root tissues, the number of vascular bundles in the inflorescence, and leaf thickness in Arabidopsis thaliana ecotype Col-0. A significant increase in net photosynthetic rate, stomatal conductance and concentration of indole-3-acetic acid was also observed in catechin treated plants.

Keywords: indole-3-acetic acid; net photosynthetic rate; primary and lateral roots; stomatal conductance; xylogenesis

Received: May 26, 2010; Accepted: December 1, 2010; Published: December 1, 2011Show citation

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Rani, A., Vats, S., Sharma, M., & Kumar, S. (2011). Catechin promotes growth of Arabidopsis thaliana with concomitant changes in vascular system, photosynthesis and hormone content. Biologia plantarum, 55(4), 779. doi: 10.1007/s10535-011-0187-3.
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