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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here
ICV 2022: 95.28
Index Copernicus ICI Journals Master List 2022 - IJCMAS--ICV 2022: 95.28
For more details click here
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Original Research Articles                      Volume : 13, Issue:2, February, 2024
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
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Int.J.Curr.Microbiol.App.Sci.2024.13(2): 42-45
DOI: https://doi.org/10.20546/ijcmas.2024.1302.007


Comparative Evaluation of Photosynthetic Efficiency among Leaf Orientation of Castor (Ricinus communis) and Redgram (Cajanus cajan)
Kalaichelvi Kalaignan*, D. Sambasiva Rao, J. Prabhaharan and R. Durai Singh
Department of Agronomy, Agricultural College and Research Institute, Madurai – 625 104, India
*Corresponding author
Abstract:

In castor (Ricinus communis), top leaf adjacent to spike (flag leaf) was observed with higher photosynthetic rate (19.17 µ mol/m2 /Sec) followed by middle leaf (13.81) and bottom leaf (13.82) and young leaf (6.32). This showed the translocation of source to the sink. Transpiration rate is in the range of 5.57 m mol/m2 /Sec. Stomatal conductance also not much varied with top, middle, bottom and young leaf. Redgram (Cajanus cajan) was reported with a Photosynthetic rate was same as castor (19.86). Transpiration rate (6.48) and stomatal conductance of 0.53 mol /sec which is slightly lesser than castor. Young leaf expressed very less physiological activity photosynthesis of 1.79, Transpiration rate of 1.43 and very less stomatal conductance (0.08) than top leaf and lower leaf.


Keywords: Castor, redgram, Pigeonpea

References:

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How to cite this article:

Kalaichelvi, K., D. Sambasiva Rao, J. Prabhaharan and Durai Singh, R. 2024. Comparative Evaluation of Photosynthetic Efficiency among Leaf Orientation of Castor (Ricinus communis) and Redgram (Cajanus cajan).Int.J.Curr.Microbiol.App.Sci. 13(2): 42-45. doi: https://doi.org/10.20546/ijcmas.2024.1302.007
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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