Resource availability affects investment in carnivory in Drosera rotundifolia
(2003) In New Phytologist 159(2). p.507-511- Abstract
- Carnivory in plants is restricted to nutrient-poor and open habitats presumably because of high benefits and/or low costs of carnivory in these conditions. Carnivory is costly because the plants need specific adaptations to capture prey. Drosera rotundifolia produces sticky substances on its leaf surface to catch prey. These substances are primarily carbon-based, and their production can be expected to be lower in shade. The benefit of carnivory is in terms of the increased nutritional gain which will be low when inorganic nutrients are available in the growth medium. We expected that investment in carnivory would be lower in shade and nutrient-rich conditions. A factorial experiment involving shading and the addition of inorganic... (More)
- Carnivory in plants is restricted to nutrient-poor and open habitats presumably because of high benefits and/or low costs of carnivory in these conditions. Carnivory is costly because the plants need specific adaptations to capture prey. Drosera rotundifolia produces sticky substances on its leaf surface to catch prey. These substances are primarily carbon-based, and their production can be expected to be lower in shade. The benefit of carnivory is in terms of the increased nutritional gain which will be low when inorganic nutrients are available in the growth medium. We expected that investment in carnivory would be lower in shade and nutrient-rich conditions. A factorial experiment involving shading and the addition of inorganic nutrients confirmed these predictions in the carnivorous, perennial herb D. rotundifolia . Plants growing in shade or in media with nutrients added had less sticky leaves and had reduced their investment in carnivory. Interestingly, the observed changes in the stickiness of the leaves were in accord with the carbon/nutrient balance theory, whereas a carbon-based secondary compound, 7-methyljuglone, in the leaves did not respond to shading or nutrient addition. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/306734
- author
- Thorén, Magnus LU ; Tuomi, J ; Kamarainen, T and Laine, K
- organization
- publishing date
- 2003
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- carbon/nutrient balance theory, prey capture, leaf stickiness, carnivorous plant, Drosera (sundew), inorganic nutrients, shade
- in
- New Phytologist
- volume
- 159
- issue
- 2
- pages
- 507 - 511
- publisher
- Wiley-Blackwell
- external identifiers
-
- wos:000184032200022
- scopus:0042349350
- ISSN
- 1469-8137
- DOI
- 10.1046/j.1469-8137.2003.00816.x
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Plant Ecology and Systematics (Closed 2011) (011004000)
- id
- 17fa4c64-de0b-4613-a602-fb2e63269ef3 (old id 306734)
- date added to LUP
- 2016-04-01 12:38:01
- date last changed
- 2022-03-29 03:30:24
@article{17fa4c64-de0b-4613-a602-fb2e63269ef3,
abstract = {{Carnivory in plants is restricted to nutrient-poor and open habitats presumably because of high benefits and/or low costs of carnivory in these conditions. Carnivory is costly because the plants need specific adaptations to capture prey. Drosera rotundifolia produces sticky substances on its leaf surface to catch prey. These substances are primarily carbon-based, and their production can be expected to be lower in shade. The benefit of carnivory is in terms of the increased nutritional gain which will be low when inorganic nutrients are available in the growth medium. We expected that investment in carnivory would be lower in shade and nutrient-rich conditions. A factorial experiment involving shading and the addition of inorganic nutrients confirmed these predictions in the carnivorous, perennial herb D. rotundifolia . Plants growing in shade or in media with nutrients added had less sticky leaves and had reduced their investment in carnivory. Interestingly, the observed changes in the stickiness of the leaves were in accord with the carbon/nutrient balance theory, whereas a carbon-based secondary compound, 7-methyljuglone, in the leaves did not respond to shading or nutrient addition.}},
author = {{Thorén, Magnus and Tuomi, J and Kamarainen, T and Laine, K}},
issn = {{1469-8137}},
keywords = {{carbon/nutrient balance theory; prey capture; leaf stickiness; carnivorous plant; Drosera (sundew); inorganic nutrients; shade}},
language = {{eng}},
number = {{2}},
pages = {{507--511}},
publisher = {{Wiley-Blackwell}},
series = {{New Phytologist}},
title = {{Resource availability affects investment in carnivory in Drosera rotundifolia}},
url = {{http://dx.doi.org/10.1046/j.1469-8137.2003.00816.x}},
doi = {{10.1046/j.1469-8137.2003.00816.x}},
volume = {{159}},
year = {{2003}},
}