The image shows a close-up of several leaves on a plant with light yellow areas, likely caused by sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis) (possibly). The photograph was taken in Washington-on-the-Brazos State Historic Site, Texas, on March 6, 2023.
The leaves have a light yellow discoloration that appears as small, white pustules along the veins or midribs of the leaf. The affected areas are not uniform and do not cover the entire surface of the leaves.
In the background, other leaves appear to be healthy with no visible signs of disease. The photograph is taken from a top-down perspective looking down at the plant. – AI vision
Las hojas de la planta salvaje (Senecio ampullaceus) con áreas amarillo claro en las hojas causadas por el hongo de la roya blanca del girasol Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis) (?) en el sitio histórico estatal de Washington-on-the-Brazos. Washington, Texas, 6 de marzo de 2023. La imagen muestra un primer plano de varias hojas en una planta con áreas amarillo claro, causadas probablemente por el hongo de la roya blanca del girasol Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis) (posiblemente). La fotografía se tomó en el sitio histórico estatal de Washington-on-the-Brazos, Texas, el 6 de marzo de 2023. Las hojas tienen una decoloración amarillo claro que aparece como pequeñas pústulas blancas a lo largo de las venas o nervios centrales de la hoja. Las áreas afectadas no son uniformes y no cubren toda la superficie de las hojas. En el fondo, otras hojas parecen sanas sin signos visibles de enfermedad. La fotografía se toma desde una perspectiva de arriba hacia abajo mirando hacia abajo a la planta. – Spanish translation
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