2018:groups:g4:start
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- | <WRAP center round todo 60%> | + | **Group 4** |
- | Under Construction | + | ====== Eat anything, keep always chewing: cannibalism in caterpillars induced by plant defenses ====== |
- | </WRAP> | + | |
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+ | Wiki site of the practical exercise of the [[http:// | ||
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+ | Here you will find the exercise assignment and the group' | ||
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+ | If you are a group member login to edit this page, create new pages from it, and upload files. | ||
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+ | ===== Introduction ===== | ||
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+ | Herbivory is known to cause several different responses in plants, from morphological to biochemical mechanisms, as defenses against herbivore attacks. The biochemical mechanisms against herbivores are usually complex and dynamic, and can be both direct and indirect. In a recent work (Orrock et al, 2017), the authors report experiments of induced defense mechanisms against herbivores in tomato plants (//Solanum lycopersicum// | ||
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+ | Induced cannibalism among herbivores may be beneficial to the plant in two ways: (i) herbivores eat less plant biomass (possibly by an alteration on palatability or leaf quality for the caterpillars), | ||
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+ | ===== Assignment ===== | ||
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+ | Build a hypothetical field scenario for this plant-herbivore interaction, | ||
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+ | ===== Questions and challenges ===== | ||
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+ | * Are there different approaches to introduce (i) and (ii) into population dynamics? | ||
+ | * How the relative strength of these two effects may influence population balance? | ||
+ | === Challenge === | ||
+ | How would the infection by horizontally-transmitted pathogens on the caterpillar population be altered with the induction of cannibalism? | ||
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+ | ===== Reference ===== | ||
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+ | **Induced defences in plants reduce herbivory by increasing cannibalism** | ||
+ | Orrock, J., Connolly, B. and Kitchen, A.. //Nature ecology & evolution// 1, no. 8 (2017): 1205. | ||
+ | [[https:// |
2018/groups/g4/start.1510089657.txt.gz · Last modified: 2024/01/09 18:45 (external edit)