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Tissues (in Melzer) of sunflower white rust...on-the-Brazos a day before. Texas  
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Tissues (in Melzer) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023

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Thumbnail 3358-32: Tissues (in Melzer) of sunflower white...Brazos a day before. Texas Show full size picture

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Similar   Thumbnail of picture 3358-31: Spores (in Melzer) of sunflower white rust fungus Pustula tragopogonis ... on-the-Brazos a day before. Texas, March 7, 2023 Thumbnail of picture 3358-30: Spores an conidia(?) (in KOH) of sunflower white rust fungus Pustula ... on-the-Brazos a day before. Texas, March 7, 2023 Thumbnail of picture 3356-23: Underside of a leaf of squaw-weed (Senecio ampullaceus) with sunflower ... Historic Site. Washington, Texas, March 6, 2023 Thumbnail of picture 3368-23: Underside of leaves of squaw-weed (Senecio ampullaceus) with sunflower ... Creek Park. College Station, Texas, March 20, 2023 Thumbnail of picture 3368-24: Close-up of underside of leaves of squaw-weed (Senecio ampullaceus ... Creek Park. College Station, Texas, March 20, 2023
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Tissue samples of the sunflower white rust fungus Pustula tragopogonis were collected from the underside leaves of squaw-weed plants in Washington-on-the-Brazos, Texas on March 7, 2023. The samples were taken a day prior and exhibited web-like structures with white powdery residue. – generated by AI

The image shows a microscopic view of fungal tissue, specifically from the sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis). The sample was collected from squaw-weed leaves in Washington-on-the-Brazos, Texas.

**Key Features:**

* **Fungal Tissue:** The image shows fungal tissue with distinct characteristics.
* **Coloration:** The tissue appears to be stained using Melzer's reagent, which is a common method for highlighting the cell walls of fungi.
* **Cell Walls:** The stained cell walls are visible as dark brown or black lines surrounding individual cells.
* **Cell Structure:** Some cells appear to have multiple nuclei (karyosomes) and a large central vacuole.

**Conclusion:**

The image provides a detailed view of the cellular structure of Pustula tragopogonis, including its fungal tissue, cell walls, and cell structure. The use of Melzer's reagent highlights the unique characteristics of this fungus, which can be useful for identification purposes. – AI vision

Tejidos (en Melzer) del hongo Pustula tragopoginis (Pustula obtusata, Albugo tragopoginis)(?), recogidos de un polvo blanco con red bajo las hojas inferiores de la planta de escaramujo (Senecio ampullaceus) en Washington-on-the-Brazos un día antes. Texas, 7 de marzo del 2023. La imagen muestra una vista microscópica del tejido fúngico, específicamente del hongo Pustula tragopoginis (Pustula obtusata, Albugo tragopoginis). La muestra se recolectó de las hojas de la planta de escaramujo en Washington-on-the-Brazos, Texas. **Características clave:** * **Tejido Fúngico:** La imagen muestra el tejido fúngico con características distintivas. * **Coloración:** El tejido parece mancharse usando el reactivo de Melzer, que es un método común para destacar las paredes celulares de los hongos. * **Paredes Celulares:** Las paredes teñidas son visibles como líneas marrones oscuras o negras que rodean a células individuales. * **Estructura Celular:** Algunas células parecen tener múltiples núcleos (cariomas) y una gran vacuola central. **Conclusión:** La imagen proporciona una vista detallada de la estructura celular de Pustula tragopoginis, incluyendo su tejido fúngico, paredes celulares y estructura celular. El uso del reactivo de Melzer destaca las características únicas de este hongo, lo que puede ser útil para fines de identificación. – Spanish translation


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