Claim · model-written summary
Blackberry galls were rounded, dark and woody, with yellow rust spores.
Verbatim
e0“Galls were rounded, brown to blackish in color, with a woody texture and covered with yellow spores of a rust fungus”
e1“wild blackberries (Rubus aff. miser Liebm.)”
Title
First report of Kuehneola guatemalensis on galls of wild blackberry stems in Mexico
Roney Solano-Vidal; Ma. de Jesús Yáñez Morales; Candelario Ortega-Acosta; et al. Plant Disease 2026. doi:10.1094/pdis-12-25-2510-pdn
Other claims from this paper (11)
- Observation Galls occurred on about 16% of wild blackberry stems at the sampled Mexican sites.
- Observation Galls on herbaceous blackberry stems measured 0.5–4.0 × 0.7–3.5 cm.
- Observation Galls on woody blackberry stems formed dense clusters up to 31.0 × 7.5 × 5.0 cm.
- Observation No rust was observed on blackberry leaves, petioles or flowers.
- Observation Some blackberry galls reached 90% rust severity.
- Observation Uredinoid aecia occurred in every examined gall, while spermogonia, uredinia and telia were absent.
- Observation The rust on blackberry galls was identified as Kuehneola guatemalensis.
- Observation The sequence from the blackberry rust shared 95.5% identity with K. loeseneriana.
- Observation The sequence from the blackberry rust shared 91.5% identity with K. uredinis.
- Observation This is the first report of K. guatemalensis on R. aff. miser.
- Observation This is the first published Mexican record of K. guatemalensis.
Populus
Helictotrichon sempervirens