Effect of ultra sound on physiological parameters in cultivars of Vigna radiata

In the present study an attempt has been made to study the influence of ultrasound (25 Kc sec-1) waves of different durations on physiological variables like photosynthetic rate, inter cellular CO2 concentrations, stomatal conductance, transpiration rate, water use efficiency and total chlorophyll content, a content, b content, a/b ratios, DCPIP, protein content, nitrate and nitrite reductase and glutamin synthetase. Photosynthetic rate, inter cellular CO2 concentration, transpiration rates, total chlorophyll content, total protein content have increased and DCPIP levels reduced up to 35 days, whereas, water use efficiency decreased and glutamine synthatase activity increased between 25 and 35 days of treatment of ultrasound in all three cultivars.

Author(s): B. Suresh Babu and P. M. Swamy

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