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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Biochemical composition changes can be linked to the tolerance of four grassland species under more persistent precipitation regimes
Physiologia Plantarum, Volume 175, No. 6, Article e14083, Year 2023
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Description
Climate models suggest that the persistence of summer precipitation regimes (PRs) is on the rise, characterized by both longer dry and longer wet durations. These PR changes may alter plant biochemical composition and thereby their economic and ecological characteristics. However, impacts of PR persistence have primarily been studied at the community level, largely ignoring the biochemistry of individual species. Here, we analyzed biochemical components of four grassland species with varying sensitivity to PR persistence (Holcus lanatus, Phleum pratense, Lychnis flos-cuculi, Plantago lanceolata) along a range of increasingly persistent PRs (longer consecutive dry and wet periods) in a mesocosm experiment. The more persistent PRs decreased nonstructural sugars, whereas they increased lignin in all species, possibly reducing plant quality. The most sensitive species Lychnis seemed less capable of altering its biochemical composition in response to altered PRs, which may partly explain its higher sensitivity. The more tolerant species may have a more robust and dynamic biochemical network, which buffers the effects of changes in individual biochemical components on biomass. We conclude that the biochemical composition changes are important determinants for plant performance under increasingly persistent precipitation regimes. © 2023 Scandinavian Plant Physiology Society.
Authors & Co-Authors
Zi, Lin
Belgium, Antwerpen
Universiteit Antwerpen
Reynaert, Simon
Belgium, Antwerpen
Universiteit Antwerpen
Nijs, Ivan
Belgium, Antwerpen
Universiteit Antwerpen
de Boeck, Hans J.
Belgium, Antwerpen
Universiteit Antwerpen
Verbruggen, Erik
Belgium, Antwerpen
Universiteit Antwerpen
Beemster, Gerrit T.S.
Belgium, Antwerpen
Universiteit Antwerpen
Asard, Han H.
Belgium, Antwerpen
Universiteit Antwerpen
Abdelgawad, Hamada R.
Belgium, Antwerpen
Universiteit Antwerpen
Statistics
Authors: 8
Affiliations: 1
Identifiers
Doi:
10.1111/ppl.14083
ISSN:
00319317
Study Approach
Quantitative