Effect of plant growth regulators and different nitrogen sources on NADP-isocitrate dehydrogenase activity of radish cotyledons
1998
Sood, C.R. | Chanda, S.V. | Singh, Y.D. (Saurashtra University, Rajkot (India). Dep. of Biosciences)
NADP-isocitrate dehydrogenase activity of radish seedlings pretreated with various plant growth regulators: KiN, GA, ABA and KNO3, NH4CL, NH4NO3 in light and dark was investigated. ICDH activity was significantly higher in light than in dark; addition of different nitrogen sources reduced it to a greater extent in NO3 supplementation. Among hormonal treatment only KiN showed slight promotion with KNO3 and NH4NO3. It is suggested that in non-photosynthetoc tissues, NADP-ICDH provides both reductant and carbon skeleton for glutamate synthesis
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