Genetic variability in photosynthetic rate and leaf characters in Brassicaceae coenospecies |
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| Authors: | K Suresh KLN Rao TVR Nair |
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| Institution: | (1) Division of Plant Physiology, Indian Agricultural Research Institute, New Delhi, 110 012, India;(2) Department of Science and Technology, New Mehrauli Road, New Delhi, India;(3) Nuclear Research Laboratory, Indian Agricultural Research Institute, New Delhi, 110 012, India |
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| Abstract: | 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.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | Brassica chlorophyll content leaf area specific leaf mass stomatal resistance |
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