%0 Journal Article
%T Changes in growth and superoxide dismutase activity in Hydrilla verticillata L. under abiotic stress
%A Panda
%A Sanjib Kumar
%A Khan
%A Mohammad Hussain
%J Brazilian Journal of Plant Physiology
%D 2004
%I Scientific Electronic Library Online
%R 10.1590/S1677-04202004000200007
%X a study was made of the role of various heavy metals (chromium, zinc, copper and cadmium) together with the effects of nacl-salinity, peg-mediated water stress and temperature on growth and superoxide dismutase (sod) activity in hydrilla (hydrilla verticillata l.). almost all metals studied reduced growth but presented a modulatory effect at lower concentrations. nacl-salinity, water stress and temperature treatments also reduced growth. sod activity was inhibited by both chromium and zinc but increased by copper and cadmium. nacl-salinity increased sod activity while water stress decreased it. sod showed thermostability with a higher activity being recorded at 45oc.
%K growth
%K heavy metals
%K nacl
%K peg
%K superoxide dismutase
%K temperature.
%U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1677-04202004000200007&lng=en&nrm=iso&tlng=en