00485naa a2200145 a 450000100080000000500110000800800410001910000210006024501570008126000090023865000100024765000140025770000190027177300490029015977271995-06-27       1955    bl ---       0--  u    #d1 aWEINSTEIN, L. H.  aThe effect of different iron and manganese nutrient levels on the catalase and cytochrome oxidase activities of green and albino sunflower leaf tissues.  c1955  aFerro  aManganês1 aROBBINS, W. R.  tPlant Physiol.gv. 30, n. 1, p. 27-32, 1955.