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Some Aspects of Ontogeny of the Shoot Apices of Solatium melongena L. and Capsicum annuum L.
J. J. SHAH and J. D. PATEL
Annals of Botany
New Series, Vol. 34, No. 135 (MARCH 1970), pp. 415-422
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/42908781
Page Count: 9
You can always find the topics here!Topics: Plant cells, Cell nucleus, Germination, Vacuoles, Ontogeny, Shoot apices, H I regions, Angiosperms, Histology, Plants
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The ontogeny of the vegetative shoot apices of two important vegetable plants, Solarium melongena L. and Capsicum annuum L. is described. Each shoot apex is studied at different stages of seed germination. The relationship between time of germination and (i) area of vacuoles in the cell, (ii) total area of the cell, (iii) area of the nucleus in the cell, and (iv) ratio of area of vacuoles in the cell to the total area of the cell in each apex is examined. The differentiation of cytohistological zonation in both apices is distinct only after one or two leaves are initiated and developed. At a certain stage heterogeneity in staining in the peripheral region of the shoot apex of S. melongena is found. The zonation in both plants differentiates gradually in histological and cytological features. Vacuolation increases or decreases in all the cells of the shoot apex or in the cells of a particular region of the shoot apex at different stages of its ontogeny.
Annals of Botany © 1970 Oxford University Press