Photosynthetica 1997, 33(2):173-178 | DOI: 10.1023/A:1022147910426

Genetic variability in photosynthetic rate and leaf characters in Brassicaceae coenospecies

K. Suresh1, K.L.N. Rao2, T.V.R. Nair3
1 Division of Plant Physiology, Indian Agricultural Research Institute, New Delhi, India
2 Department of Science and Technology, New Delhi, India
3 Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi, India

Thirty-nine Brassica coenospecies grown in pot cultures during 1993 and 1994 were screened for variability in photosynthetic rate (P N ) and leaf characters. There were significant differences among the species in P N per unit leaf area, chlorophyll (Chl) content, specific leaf mass (SLM), stomatal resistance (r s ) and individual leaf size. The interactions species x year and species x date of measurement were small compared to the species effect. There was a significant negative correlation between P N and r s and a significant positive one between P N and both Chl content and SLM.

Additional key words: Brassica; chlorophyll content; leaf area; specific leaf mass; stomatal resistance

Published: March 1, 1997  Show citation

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Suresh, K., Rao, K.L.N., & Nair, T.V.R. (1997). Genetic variability in photosynthetic rate and leaf characters in Brassicaceae coenospecies. Photosynthetica, 33(2), 173-178. doi: 10.1023/A:1022147910426
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