NDLI: Carbohydrate storage in meadow plants and its depletion after disturbance: do roots and stem-derived organs differ in their roles?

Content Provider	Springer Nature Link
Author	Janeček, Štěpán Klimešová, Jitka
Copyright Year	2014
Abstract	Storage of carbohydrates in organs protected from disturbance is an important adaptation of plants in disturbed habitats. We carried out a field experiment involving 31 herbaceous plant species in two cultural meadows to find out whether roots or belowground stem-derived organs (stem bases, stem tubers and rhizomes) are the main storage organs, to study how reserves accumulate in individual organs in the long term (growing season) and to ascertain whether meadow abandonment affects the distribution of carbohydrate reserves in plants. We also conducted a 22-day pot experiment with four meadow plant species to determine how removal of roots and aboveground parts affects the use of carbohydrates stored in roots and stem-derived organs in the short term. From the long-term perspective of the field experiment, mowing had a positive effect on the concentration of carbohydrate reserves. From the short-term perspective of the pot experiment, however, the effect on concentration and pools of carbohydrates was negative. In the field experiment, carbohydrate concentrations before winter were generally higher than in mid-season, and more often higher in roots than in stem-derived organs. Roots and stem-derived organs of plants in the pot experiment were depleted similarly after both types of disturbance. Our results indicate a need for including both types of belowground plant organs in future studies of the carbon economy of plants from disturbed habitats.
Starting Page	51
Ending Page	61
Page Count	11
File Format	PDF
ISSN	00298549
Journal	Oecologia
Volume Number	175
Issue Number	1
e-ISSN	14321939
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-02-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon Roots Rhizomes Semi-natural grassland Storage economy Ecology Plant Sciences Hydrology/Water Resources
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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