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Relative importance of fertiliser addition to plants and exclusion of predators for aphid growth in the field.

Abstract:

Herbivore dynamics and community structure are influenced both by plant quality and the actions of natural enemies. A factorial experiment manipulating both higher and lower trophic levels was designed to explore the determinants of colony growth of the aphid Aphis jacobaeae, a specialist herbivore on ragwort Senecio jacobaea. Potential plant quality was manipulated by regular addition of NPK-fertiliser and predator pressure was reduced by interception traps; the experiment was carried out at...

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Publication status:
Published

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Publisher copy:
10.1007/s00442-004-1795-9

Authors


Journal:
Oecologia
Volume:
143
Issue:
3
Pages:
419-427
Publication date:
2005-04-05
DOI:
EISSN:
1432-1939
ISSN:
0029-8549
URN:
uuid:3749bf9f-12aa-4a51-a640-d26df852c64c
Source identifiers:
210693
Local pid:
pubs:210693

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