Claim · model-written summary
H. brassicae caused significantly lower disease severity (1.5%) on wild arugula than on B. oleracea.
- Taxon
- wild arugulae2
- Interactor
- H. brassicae
Hyaloperonospora brassicaee2pathogen - Outcome
- disease severitye2
- Value
- 1.5%e2
- Qualifier
- significantly lowere2
- Comparator
- B. oleraceae2
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleTreatmentSettingDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“H. brassicae, originally isolated from Brassica oleracea, caused 45.8% disease severity in B. oleracea, whereas disease severity was significantly lower on wild arugula ( Diplotaxis tenuifolia, 1.5%) and cultivated arugula ( Eruca vesicaria, 0.0%)”
Title
Kallol Das; Emily M. Locke-Paddon; Reilly Blair; et al. Phytopathology 2025. doi:10.1094/phyto-06-25-0226-r
Other claims from this paper (11)
- Observation Twenty-six downy mildew pathogen isolates were obtained from Brassicaceae samples in California.
- Observation Morphology and rDNA/cox2 sequences identified the isolates as H. brassicae, H. diplotaxidis and H. erucae.
- Observation H. brassicae caused 45.8% disease severity on Brassica oleracea.
- Observation H. brassicae caused significantly lower disease severity (0.0%) on cultivated arugula than on B. oleracea.
- Observation H. diplotaxidis caused 26.3% disease severity on wild arugula.
- Observation H. diplotaxidis caused 2.0% disease severity on cultivated arugula, compared with wild arugula.
- Observation H. diplotaxidis caused 0.3% disease severity on B. oleracea.
- Observation H. erucae caused 10.4% disease severity on cultivated arugula.
- Observation H. erucae caused 1.4% disease severity on wild arugula.
- Observation H. erucae caused only 0.6% disease severity on B. oleracea.
- Observation Downy mildew pathogens show host specificity but may pose a potential risk of cross-infection under favorable conditions.