Companion planting with French marigolds protects tomato plants from glasshouse whiteflies through the emission of airborne limonene Conboy, Niall J. A. ; McDaniel, Thomas ; Ormerod, Adam ; George, David ; Gatehouse, Angharad M. R. ; Wharton, Ellie ; Donohoe, Paul ; Curtis, Rhiannon ; Tosh, Colin R. Abstract Publication: PLoS ONE Pub Date: March 2019 DOI: 10.1371/journal.pone.0213071 Bibcode: 2019PLoSO..1413071C