Claim · model-written summary
This is reported as the first worldwide occurrence of D. segeticola causing walnut leaf spot.
- Interactor
- D. segeticolaDidymella segeticolae0pathogen
- Outcome
- first reporte0
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“To our knowledge, this is the first report of D. segeticola causing leaf spot on walnuts worldwide.”
Title
Xianxi Ao; Ting Shi; Wenjia Yang; et al. Frontiers in Microbiology 2024. doi:10.3389/fmicb.2024.1439487
Other claims from this paper (9)
- Observation Walnut leaf spot was observed in a plantation in Shuitang Town, Guizhou, in July 2022.
- Observation Didymella segeticola was identified and confirmed as the pathogen causing walnut leaf spot.
- Observation The optimum temperature for growth of D. segeticola C27 mycelia was 20°C.
- Association Longer light periods significantly decreased D. segeticola conidia production and germination.
- Observation Maltose was the best carbon source for D. segeticola.
- Observation Beef extract was the best nitrogen source for D. segeticola.
- Association Humidity of 90% enhanced D. segeticola conidia germination.
- Intervention effect Difenoconazole had the strongest in vitro inhibition among 20 fungicides, with EC50 of 0.0007 μg/mL.
- Intervention effect Tetramycin inhibited D. segeticola in vitro, with EC50 of 0.0009 μg/mL.