Annals of Applied Biology (2018) 172, 268-281

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T. Aznar-Fernández and D. Rubiales (2018)
Identification and characterisation of antixenosis and antibiosis to pea aphid (Acyrthosiphon pisum) in Pisum spp. germplasm
Annals of Applied Biology 172 (3), 268-281
Abstract: Acyrthosiphon pisum is a polyphagous aphid of major importance on the pea crop to which few resistant cultivars are available. In this study, we screened a germplasm collection of Pisum spp. under field conditions over two seasons yielding the identification of a number of accessions with intermediate levels of resistance. Selected accessions were further studied under semi-controlled and controlled conditions in no choice and choice assays to validate the responses, and to further characterise the mechanisms of resistance operative. Results elucidated the valuable resistance of accession P40 (Pisum sativum ssp. sativum) and P665 (P. sativum ssp. syriacum), with the combination of both antixenosis, by reducing aphid preference, and antibiosis, by diminishing aphid proliferation.
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Database assignments for author(s): Thaïs Aznar-Fernández

Research topic(s) for pests/diseases/weeds:
resistance/tolerance/defence of host


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Acyrthosiphon pisum Pea (Pisum sativum)