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Salt induced anatomical changes in the leaves of pigeon pea (Cajanus indicus Spreng.) and cluster bean (Cyamopsis tetragonoloba (L) Taub.)

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Proceedings / Indian Academy of Sciences

Abstract

Correlative studies on changes in anatomical structures have been made in the first trifoliate leaves of pigeon pea (Cajanus indicus Spreng.) and cluster bean [Cyamopsis tetragonoloba (L) Taub.] as induced by NaCl salinity. Leaves of salt stressed plants are characteristically small, but often otherwise normal in appearance and are succulent. The succulence is mainly due to the increase in thickness of both palisade and spongy parenchyma. Palisade cells seemed to enlarge much more than the spongy parenchyma cells. The leaves further showed considerable reduced inter-cellular spaces, reduced dimensions of xylem vessels, increased thickness of xylem wall, increased cuticle thickness and increased number of chloroplasts. The relevance of these changes in structure and function has been discussed.

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Authors and Affiliations

  1. Department of Botany, Sri Venkateswara University, 517 502, Tirupati

    G Gururaja Rao, B Victoria Rose & G Rajeswara Rao

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  1. G Gururaja Rao
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  2. B Victoria Rose
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  3. G Rajeswara Rao
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Rao, G.G., Rose, B.V. & Rao, G.R. Salt induced anatomical changes in the leaves of pigeon pea (Cajanus indicus Spreng.) and cluster bean (Cyamopsis tetragonoloba (L) Taub.). Proc. Indian Acad. Sci. 88, 293–301 (1979). https://doi.org/10.1007/BF03046193

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  • DOI: https://doi.org/10.1007/BF03046193

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