Evidence for unexpected higher benefits of clonal integration in nutrient-rich conditions

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F17%3A10372870" target="_blank" >RIV/00216208:11310/17:10372870 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1007/s12224-016-9274-8" target="_blank" >http://dx.doi.org/10.1007/s12224-016-9274-8</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s12224-016-9274-8" target="_blank" >10.1007/s12224-016-9274-8</a>

Result language

angličtina

Original language name

Evidence for unexpected higher benefits of clonal integration in nutrient-rich conditions

Original language description

Physiologically integrated clonal plants cope better with spatial heterogeneity due to their ability to share resources among ramets. According to theoretical predictions and experimental evidence, such benefits of resource sharing should increase with higher patch quality of an exporting ramet and lower patch quality of an importing ramet. This study investigated the effect of spatial heterogeneity in nutrient availability on benefits of clonal integration under plausible scenarios of clonal spread, in which more developed ramets give rise to new ones. Pairs of mother and daughter ramets of a stoloniferous grass, Agrostis stolonifera, were grown in various nutrient conditions. Disconnected pairs of ramets were used as controls. Results showed considerable benefits of integration for developmentally younger daughters and no costs for older mothers in all treatments. Surprisingly, benefits of integration were more pronounced in nutrient-rich daughters, and allocation to integrated daughters decreased with increasing nutrient level of mothers. In addition, integration in general increased root-to-shoot ratio of daughters. One possible explanation of the observed patterns may be prevailing translocation of photosynthates rather than nutrients. Daughters also responded to nutrients by changes in clonal architecture. Number of stolons increased, and maximum stolon length decreased in high nutrient levels. Integration increased maximum stolon length in small daughters. The architectural responses are generally in accord with the foraging behaviour concept. Overall, our results suggest that resource translocation within a clonal fragment need not be easily predictable from a gradient of resource availability.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10611 - Plant sciences, botany

Project

<a href="/en/project/GA16-19245S" target="_blank" >GA16-19245S: Response to disturbance as the key process in evolution of herbaceous and clonal growth forms: linking phylogenetic and experimental approaches</a><br>

Continuities

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2017

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Folia Geobotanica

ISSN

1211-9520

e-ISSN

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Volume of the periodical

52

Issue of the periodical within the volume

3-4

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

12

Pages from-to

283-294

UT code for WoS article

000422948100003

EID of the result in the Scopus database

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