MORPHOLOGY AND ULTRASTRUCTURE OF TRICHOMES OF THE INTACT AND THE IN VITRO PLANTS STEVIA REBAUDIANA BERTONI IN RELATION TO SYNTHESIS AND ACCUMULATION IN THEM OF STEVIOL GLYCOSIDES
https://doi.org/10.1234/XXXX-XXXX-2010-1-15-20
Abstract
Trichomes present on the leaf surface of both intact and in vitro Stevia plants (Stevia rebaudiana Bertoni) were examined using scanning and transmission electron microscopy. Three types of trichomes were observed both on adaxial and on abaxial surface of leaves: (a) spherical glands, (b) large hairs, (c) small hairs. The trichomes appeared in higher numbers on the leaf surfaces of the intact plants. The numbers of trichomes seem to be greater on the upper leaves than on the lower leaves. The results of the work provide evidence for positive correlation between number of glands on leaves and their content of the SGs. Three major stages in the development of the gland cells were identified, corresponding to the stages of secret accumulation.
About the Authors
N. I. BondarevRussian Federation
M. A. Sukhanova
Russian Federation
G. A. Semenova
Russian Federation
O. V. Goryaeva
Russian Federation
S. E. Аndreeva
Russian Federation
A. M. Nosov
Russian Federation
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Review
For citations:
Bondarev N.I., Sukhanova M.A., Semenova G.A., Goryaeva O.V., Аndreeva S.E., Nosov A.M. MORPHOLOGY AND ULTRASTRUCTURE OF TRICHOMES OF THE INTACT AND THE IN VITRO PLANTS STEVIA REBAUDIANA BERTONI IN RELATION TO SYNTHESIS AND ACCUMULATION IN THEM OF STEVIOL GLYCOSIDES. Vestnik Moskovskogo universiteta. Seriya 16. Biologiya. 2010;(1):15-20. (In Russ.) https://doi.org/10.1234/XXXX-XXXX-2010-1-15-20