Drought stress affects constitutive but not induced herbivore resistance in apple plants

Gutbrodt, B. and Dorn, S. and Mody, K. (2012) Drought stress affects constitutive but not induced herbivore resistance in apple plants. Arthropod-Plant Interactions, 6 (2). pp. 171-179.

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Plant–herbivore interactions are influenced by chemical plant traits, which can vary depending on the plants’ abiotic and biotic environment. Drought events, which are predicted to become more frequent and prolonged due to climate change, may affect primary and secondary plant metabolites contributing to constitutive resistance. Furthermore, the ability of plants to respond to herbivore attack in terms of induced resistance may be altered under drought conditions. We assessed the effects of drought stress on constitutive and induced apple plant resistance to a generalist insect herbivore by quantifying plant and herbivore responses in concert. Plants were exposed to different drought stress intensities (constitutive resistance) and subsequently to herbivore damage treatments that included different damage durations (induced resistance).

Item Type: Article
Uncontrolled Keywords: Climate change, Constitutive and induced, defense, Growth-differentiation balance hypothesis, Malus domestica, Spodoptera littoralis
Author Affiliation: Institute of Agricultural Sciences, Applied Entomology, ETH Zurich, Schmelzbergstrasse 9/LFO, 8092 Zurich, Switzerland
Subjects: Plant Production
Divisions: Other Crops
Depositing User: Mr Siva Shankar
Date Deposited: 10 Aug 2012 10:03
Last Modified: 10 Aug 2012 10:03
Official URL: http://dx.doi.org/10.1007/s11829-011-9173-0
URI: http://eprints.icrisat.ac.in/id/eprint/7289

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