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Structure and organisation of the shoot apex inCrotalaria retusa L.

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Proceedings / Indian Academy of Sciences

Abstract

Organisation of the shoot apex and the development of axillary bud and leaf primordium have been investigated inCrotalaria retusa. The shoot apex ranges from slightly elevated to deeply convex in its shape. Tunica is single layered while the corpus is of 3–5 layers. Anticlinal division is the rule in the tunica cells whereas the corpus cells undergo divisions in all the planes. Three zones,viz., central, flanking and pithrib meristem zone, are present though not very distinctly. Leaf primordium is initiated only by corpus, while the tunica remains as the epidermis. Axillary bud is deeply stained in its early ontogeny and arises from the detached meristem as evidenced by the deep seated nature and the presence of a distinct shell zone on its adaxial side.

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Authors and Affiliations

  1. Department of Biology, Jawaharlal Institute of Postgraduate Medical Education and Research, 605 006, Pondicherry

    B. Kannabiran

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  1. B. Kannabiran
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Communicated by Prof. D. D. Pant,f.a.sc.

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Kannabiran, B. Structure and organisation of the shoot apex inCrotalaria retusa L.. Proc. Indian Acad. Sci. 79, 91–95 (1974). https://doi.org/10.1007/BF03045565

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  • DOI: https://doi.org/10.1007/BF03045565

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