Comparisons of growth and yield characters between near-isogenic lines with dark and pale green leaves in rice
1986
Park, S.Z. (Korea Air and Correspondence Univ., Seoul (Korea R.)) | Im, B.G. (Seoul Women's Coll., Seoul (Korea R.)) | Lee, B.W. (Suwon Weather Forecasting Office, Suwon (Korea R.))
Two near-isogenic lines with dark and pale green leaves, derived from the F7 generation of wx 126 cross were compared on photosynthetic capacity, growth parameters, grain yield and yield-related characters. Dark green-leaved lines contained much greater content of chlorophyll a and b than pale green-leaved ones, but chlorophyll a to b rato showed no difference between them. The photosynthetic rate per unit leaf area was higher in dark green-leaved lines than in pale green-leaved ones in the flag leaves at heading stage, but that per unit chlorophyll content showed reversed result. The crop growth rate from transplanting to heading was consistantly higher in the dark green-leaved lines, resulting from their greater net assimilation rate
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