Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes
A survey of Lotus corniculatus populations in the Jostedal valley of S. W. Norway has revealed that plants with cyanogenic leaves are rare in the south of the valley, but predominate in the harsh conditions which are found further north. A similar cline occurs for cyanogenesis in the petals and scor...
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Springer Verlag
1983
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Online Access: | https://doi.org/10.1007/BF00376851 https://researchportal.murdoch.edu.au/esploro/outputs/journalArticle/Selection-of-cyanogenesis-in-the-leaves/991005543263607891 |
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ftmurdochunivall:oai:alma.61MUN_INST:11135981060007891 2024-09-15T18:17:37+00:00 Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes Compton, S.G. Newsome, D. Jones, D.A. 1983 https://doi.org/10.1007/BF00376851 https://researchportal.murdoch.edu.au/esploro/outputs/journalArticle/Selection-of-cyanogenesis-in-the-leaves/991005543263607891 eng eng Springer Verlag ispartof: Oecologia issue 3 vol 60 doi:10.1007/BF00376851 WOS:A1983RV18900013 0029-8549 http://dx.doi.org/10.1007/BF00376851 991005543263607891 https://researchportal.murdoch.edu.au/esploro/outputs/journalArticle/Selection-of-cyanogenesis-in-the-leaves/991005543263607891 alma:61MUN_INST/bibs/991005543263607891 © 1983 Springer-Verlag. text Article 1983 ftmurdochunivall https://doi.org/10.1007/BF00376851 2024-08-15T00:52:48Z A survey of Lotus corniculatus populations in the Jostedal valley of S. W. Norway has revealed that plants with cyanogenic leaves are rare in the south of the valley, but predominate in the harsh conditions which are found further north. A similar cline occurs for cyanogenesis in the petals and scoring of plants for both leaf and petal cyanogenesis has confirmed that there is a relationship between the expression of cyanogenesis in these two parts of the plant. The colour of the keel petals, a third polymorphic character, also has a clinal distribution in the Jostedalen, but its expression is not associated with cyanogenesis. Factors which might be responsible for the cline in cyanogenesis have been investigated, and we conclude that variation in edaphic conditions droughting, temperature and invertebrate herbivory are unlikely to be important. Norway lemmings (Lemmus lemmus) were present at a very high density in one of the areas where L. corniculatus is mainly cyanogenic and differential feeding by this mammal may constitute a strong selective pressure. Further field studies are required to test this hypothesis. Article in Journal/Newspaper Lemmus lemmus Murdoch University Research Portal Oecologia 60 3 353 358 |
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Murdoch University Research Portal |
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ftmurdochunivall |
language |
English |
description |
A survey of Lotus corniculatus populations in the Jostedal valley of S. W. Norway has revealed that plants with cyanogenic leaves are rare in the south of the valley, but predominate in the harsh conditions which are found further north. A similar cline occurs for cyanogenesis in the petals and scoring of plants for both leaf and petal cyanogenesis has confirmed that there is a relationship between the expression of cyanogenesis in these two parts of the plant. The colour of the keel petals, a third polymorphic character, also has a clinal distribution in the Jostedalen, but its expression is not associated with cyanogenesis. Factors which might be responsible for the cline in cyanogenesis have been investigated, and we conclude that variation in edaphic conditions droughting, temperature and invertebrate herbivory are unlikely to be important. Norway lemmings (Lemmus lemmus) were present at a very high density in one of the areas where L. corniculatus is mainly cyanogenic and differential feeding by this mammal may constitute a strong selective pressure. Further field studies are required to test this hypothesis. |
format |
Article in Journal/Newspaper |
author |
Compton, S.G. Newsome, D. Jones, D.A. |
spellingShingle |
Compton, S.G. Newsome, D. Jones, D.A. Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes |
author_facet |
Compton, S.G. Newsome, D. Jones, D.A. |
author_sort |
Compton, S.G. |
title |
Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes |
title_short |
Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes |
title_full |
Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes |
title_fullStr |
Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes |
title_full_unstemmed |
Selection of cyanogenesis in the leaves and petals of Lotus corniculatus L. at high latitudes |
title_sort |
selection of cyanogenesis in the leaves and petals of lotus corniculatus l. at high latitudes |
publisher |
Springer Verlag |
publishDate |
1983 |
url |
https://doi.org/10.1007/BF00376851 https://researchportal.murdoch.edu.au/esploro/outputs/journalArticle/Selection-of-cyanogenesis-in-the-leaves/991005543263607891 |
genre |
Lemmus lemmus |
genre_facet |
Lemmus lemmus |
op_relation |
ispartof: Oecologia issue 3 vol 60 doi:10.1007/BF00376851 WOS:A1983RV18900013 0029-8549 http://dx.doi.org/10.1007/BF00376851 991005543263607891 https://researchportal.murdoch.edu.au/esploro/outputs/journalArticle/Selection-of-cyanogenesis-in-the-leaves/991005543263607891 alma:61MUN_INST/bibs/991005543263607891 |
op_rights |
© 1983 Springer-Verlag. |
op_doi |
https://doi.org/10.1007/BF00376851 |
container_title |
Oecologia |
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60 |
container_issue |
3 |
container_start_page |
353 |
op_container_end_page |
358 |
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1810455691948720128 |