biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 46:621-624, 2003 | DOI: 10.1023/A:1024840301092

Alleviation of Ultraviolet-B Radiation-Induced Growth Inhibition of Green Gram by Triadimefon

K. Rajendiran1, M.P. Ramanujam2
1 Botany Laboratory, Centre for Post Graduate Studies, Pondicherry-, India
2 Botany Laboratory, Centre for Post Graduate Studies, Pondicherry-, India

Supplementary UV-B (12.2 kJ m-2 d-1 UV-BBE) provided to Vigna radiata for 2 h d-1 suppressed the length of root, shoot and whole plants, number of leaves, total leaf area, leaf area index, specific leaf mass, fresh and dry mass of leaves and shoot, relative growth rate and net productivity. In unstressed green gram plants (10 kJ m-2 d-1 UV-BBE), triadimefon (TRIAD) (20 mg dm-3) enhanced growth in all parameters over control. The growth promoting effect of TRIAD enabled the UV-B impacted plants to overcome the growth inhibitions to varying degrees indicating its protective potential against UV-B stress.

Keywords: growth regulator; leaf area index; relative growth rate; triazole; UV-B stress; Vigna radiata
Subjects: green gram, UV-B, triadimefon; growth analysis, biomass production; triadimefon; ultraviolet-B radiation, growth inhibition, triadimefon; Vigna radiata

Prepublished online: May 1, 2003; Published: December 1, 2003  Show citation

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Rajendiran, K., & Ramanujam, M.P. (2003). Alleviation of Ultraviolet-B Radiation-Induced Growth Inhibition of Green Gram by Triadimefon. Biologia plantarum, 46(4), 621-624. doi: 10.1023/A:1024840301092
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