Morphological and Physiological Aspects of Evolution in Common Buckwheat

Morphological and Physiological Aspects of Evolution in Common Buckwheat Comparative morphological and physiological studies of the ancestral forms (Fagopyrum homotropicumO. and F. esculentumssp. ancestraleO.) and the various morphogenotypes of common buckwheat (F. esculentumMoench.) were carried out in glasshouse experiments in a soil culture. A considerable reduction of plant morphogenesis, a restriction of the growth of the vegetative organs, and the ecological and agricultural specialization (accompanied by the change in the primary adaptive life strategy from competitive (c) to ruderal (r) or to combined c/rtype) occurred in the evolution of common buckwheat. The reduction of morphogenesis was accompanied by changes in some of the morphological and anatomical structures and their functions, primarily, the source–sink relationships among plant organs. Compensatory mechanisms were developed, and the nutritional compounds became reutilized as an additional source for fruit formation and ripening. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Morphological and Physiological Aspects of Evolution in Common Buckwheat

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/A:1016791532032
Publisher site
See Article on Publisher Site

Abstract

Comparative morphological and physiological studies of the ancestral forms (Fagopyrum homotropicumO. and F. esculentumssp. ancestraleO.) and the various morphogenotypes of common buckwheat (F. esculentumMoench.) were carried out in glasshouse experiments in a soil culture. A considerable reduction of plant morphogenesis, a restriction of the growth of the vegetative organs, and the ecological and agricultural specialization (accompanied by the change in the primary adaptive life strategy from competitive (c) to ruderal (r) or to combined c/rtype) occurred in the evolution of common buckwheat. The reduction of morphogenesis was accompanied by changes in some of the morphological and anatomical structures and their functions, primarily, the source–sink relationships among plant organs. Compensatory mechanisms were developed, and the nutritional compounds became reutilized as an additional source for fruit formation and ripening.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 10, 2004

References

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