Fulfilment of Koch's postulates and preliminary host range results for Septoria lepidii, a fungal pathogen for potential biological control of hoary cress (Lepidium spp.)

Dana BernerUSDA, ARS, Foreign Disease-Weed Science Research Unit, Ft. Detrick, MD, USACorrespondence[email protected]

Farivar EskandariUSDA, ARS, Foreign Disease-Weed Science Research Unit, Ft. Detrick, MD, USA

Craig CavinUSDA, ARS, Foreign Disease-Weed Science Research Unit, Ft. Detrick, MD, USA

H.J. DubinUSDA, ARS, Foreign Disease-Weed Science Research Unit, Ft. Detrick, MD, USA

Abstract

Koch's postulates were fulfilled on five geographical accessions of Lepidium draba and preliminary host range tests were conducted with Septoria lepidii Desm. on 42 Brassicaceae species. Host range results showed the fungus specific to Lepidium spp. This fungus is potentially an important biological control agent for weedy species of Lepidium.

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Fulfilment of Koch's postulates and preliminary host range results for Septoria lepidii, a fungal pathogen for potential biological control of hoary cress (Lepidium spp.)

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Fulfilment of Koch's postulates and preliminary host range results for Septoria lepidii, a fungal pathogen for potential biological control of hoary cress (Lepidium spp.)

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