Geographical variation in the response to nitrogen deposition in Arabidopsis lyrata petraea.
Authors
Vergeer, Philippinevan den Berg, Leon L. J.
Bulling, Mark T.
Ashmore, Mike R.
Kunin, William E.
Issue Date
2008
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The adaptive responses to atmospheric nitrogen deposition for different European accessions of Arabidopsis lyrata petraea were analysed using populations along a strong atmospheric N-deposition gradient. Plants were exposed to three N-deposition rates, reflecting the rates at the different locations, in a full factorial design. Differences between accessions in the response to N were found for important phenological and physiological response variables. For example, plants from low-deposition areas had higher nitrogen-use efficiencies (NUE) and C : N ratios than plants from areas high in N deposition when grown at low N-deposition rates. The NUE decreased in all accessions at higher experimental deposition rates. However, plants from high-deposition areas showed a limited capacity to increase their NUE at lower experimental deposition rates. Plants from low-deposition areas had faster growth rates, higher leaf turnover rates and shorter times to flowering, and showed a greater increase in growth rate in response to N deposition than those from high-deposition areas. Indications for adaptation to N deposition were found, and results suggest that adaptation of plants from areas high in N deposition to increased N deposition has resulted in the loss of plasticity.Citation
Geographical variation in the response to nitrogen deposition in Arabidopsis lyrata petraea. 2008, 179 (1):129-41 New Phytol.Journal
The new phytologistDOI
10.1111/j.1469-8137.2008.02445.xPubMed ID
18422899Type
ArticleLanguage
enISSN
1469-8137ae974a485f413a2113503eed53cd6c53
10.1111/j.1469-8137.2008.02445.x
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