Mesophyll structure and chloroplast density in Panax ginseng leaves from the Sikhote-Alin mts

• Autorzy: Khrolenko Y. , Burundukova O. , Burkovskaya E. , Zhuravlev Y.
• Języki publikacji: EN

Abstrakty

EN

This study investigated the quantitative anatomy of photosynthetic tissues (leaf mesostructure) of wild ginseng Panax ginseng C.A. Mey. (Araliaceae) plants from different natural habitats. The structural and functional traits of the photosynthetic apparatus shown to be especially elastic were mesophyll cell volume (Cv >40%) and traits related to filling of the leaf with cells and plastids (Cv≥21%). P. ginseng possesses relatively few cells per leaf area (44.6–107.2 103/cm2) and chloroplasts (1.7–4.9 106/cm2). Also low are the values of such integral indexes as relative surface of mesophyll cells (Ames/A, 2.78–5.28) and relative surface of chloroplasts (Achl/A, 1.9–3.2). The leaf mesostructure of wild ginseng shows traits of a plant typically found in shady forest habitats. The photosynthetic apparatus of ginseng adapts to various habitat conditions on the level of leaf mesostructure, through structural transformations of mesophyll tissue, such as changes in the number and size of cells and chloroplasts and also the integral surface indexes Achl/A and Ames/A.

Słowa kluczowe

EN

Sikhote-Alin Mountains; Panax ginseng; plant adaptation; mesophyll; quantitative anatomy; leaf anatomy; chloroplast; natural habitat

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 2012
• Tom: 54
• Numer: 2
• Opis fizyczny: p.54-60,fig.,ref.

Twórcy

autor

Khrolenko Y.

• Institute of Biology and Soil Science, Russian Academy of Sciences, Stoletiya St. 159, 690022 Vladivostok, Russia

autor

Burundukova O.

autor

Burkovskaya E.

autor

Zhuravlev Y.

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