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Wild strawberry shows genetic variation in tolerance but not resistance to a generalist herbivore

Wang, Minggang and Muola, Anne and Anderson, Peter and Stenberg, Johan A. (2020). Wild strawberry shows genetic variation in tolerance but not resistance to a generalist herbivore. Ecology and Evolution. 10 , 13022-13029
[Journal article]

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Abstract

Plants' defenses against herbivores usually include both resistance and tolerance mechanisms. Their deployment has predominantly been studied in either single-plant genotypes or multiple genotypes exposed to single herbivores. In natural situations, however, most plants are attacked by multiple herbivores. Therefore, aims of this study were to assess and compare the effects of single and multiple herbivores on plant resistance and tolerance traits, and the consequences for overall plant performance. For this, we exposed multiple genotypes of wild woodland strawberry (Fragaria vesca) to jasmonic acid (JA), to mimic chewing herbivory and induce the plants' defense responses, and then introduced the generalist herbivoreSpodoptera littoralisto feed on them. We found that woodland strawberry consistently showed resistance toS. littoralisherbivory, with no significant genetic variation between the genotypes. By contrast, the studied genotypes showed high variation in tolerance, suggesting evolutionary potential in this trait. Prior JA application did not alter these patterns, although it induced an even higher level of resistance in all tested genotypes. The study provides novel information that may be useful for breeders seeking to exploit tolerance and resistance mechanisms to improve strawberry crops' viability and yields, particularly when multiple herbivores pose significant threats.

Authors/Creators:Wang, Minggang and Muola, Anne and Anderson, Peter and Stenberg, Johan A.
Title:Wild strawberry shows genetic variation in tolerance but not resistance to a generalist herbivore
Year of publishing :2020
Volume:10
Page range:13022-13029
Number of Pages:8
Publisher:WILEY
ISSN:2045-7758
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
Keywords:cotton leafworm, Fragaria vesca, jasmonic acid, plant defense syndrome, plant defenses, plant resistance, plant tolerance, resistance breeding, woodland strawberry
URN:NBN:urn:nbn:se:slu:epsilon-p-108669
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-108669
Additional ID:
Type of IDID
DOI10.1002/ece3.6888
Web of Science (WoS)000579723500001
ID Code:19831
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Protection Biology
Deposited By: SLUpub Connector
Deposited On:30 Dec 2020 06:23
Metadata Last Modified:15 Jan 2021 19:47

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