Blister-like pustules of rust fungus Puccinia modiolae on lower leaf surface of Carolina bristlemallow (Modiola caroliniana) on a lawn near apartments on George Bush Dr. College Station, Texas

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College Station, Texas, March 11, 2019

Album 2462: College Station, Texas, March 11, 2019

The image presents a detailed view of a plant's lower leaf surface, featuring a cluster of orange-brown pustules that resemble blisters. These pustules are likely caused by the rust fungus Puccinia modiolae, which has infected the Carolina bristlemallow (Modiola caroliniana) growing on a lawn near apartments along George Bush Drive in College Station, Texas.

**Key Features:**

* **Pustules:** The image showcases numerous orange-brown pustules scattered across the lower leaf surface. These pustules are characterized by their blister-like appearance and are densely packed together.
* **Leaf Surface:** The leaf surface is green with lighter areas where some of the rust has been removed, revealing a lighter green color underneath. This suggests that the rust infection has caused significant damage to the plant's leaves.
* **Rust Fungus:** The presence of Puccinia modiolae on the Carolina bristlemallow indicates an active infection. Rust fungi are known for causing damage to plants by producing spores that can spread rapidly and cause further infections.

**Conclusion:**

The image provides a clear visual representation of the effects of rust fungus Puccinia modiolae on the Carolina bristlemallow plant. The dense cluster of orange-brown pustules on the lower leaf surface is a hallmark symptom of this infection, highlighting the need for prompt action to prevent further damage and potential spread to other plants in the area. – AI vision

🇪🇸 Descripción en español / Spanish Description

Unas pústulas similares a ampollas del hongo roya Puccinia modiolae en la superficie inferior de las hojas de la albahaca amarilla de Carolina (Modiola caroliniana) en un césped cerca de los apartamentos en George Bush Drive. College Station, Texas, 11 de marzo de 2019. La imagen presenta una vista detallada de la superficie inferior de las hojas de una planta, con un grupo de pústulas naranja-marrón que recuerdan a ampollas. Es probable que estas pústulas hayan sido causadas por el hongo roya Puccinia modiolae, que ha infectado la albahaca amarilla de Carolina (Modiola caroliniana) que crece en un césped cerca de los apartamentos a lo largo de George Bush Drive en College Station, Texas. **Principales características:** * **Pústulas:** La imagen muestra numerosas pústulas naranja-marrón dispersadas por toda la superficie inferior de las hojas. Estas pústulas se caracterizan por su aspecto similar al de ampollas y están muy compactadas. * **Superficie foliar:** La superficie del follaje es verde con zonas más claras donde parte del roya ha sido eliminada, dejando ver un color verde más claro debajo. Esto sugiere que la infección por el roya ha provocado daños importantes en las hojas de la planta. * **Hongo roya:** La presencia de Puccinia modiolae en la albahaca amarilla de Carolina indica una infección activa. Los hongos del roya son conocidos por causar daños a las plantas mediante la producción de esporas que pueden propagarse rápidamente y provocar nuevas infecciones. **Conclusión:** La imagen proporciona una representación visual clara de los efectos del hongo roya Puccinia modiolae en la planta de albahaca amarilla de Carolina. El grupo denso de pústulas naranja-marrón en la superficie inferior de las hojas es un síntoma distintivo de esta infección, lo que subraya la necesidad de actuar rápidamente para evitar daños adicionales y su posible propagación a otras plantas de la zona. – Spanish translation

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