Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium ... Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) under a microscope in KOH, from upper surface of leaves of littlehip hawthorn (Crataegus ... on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023The microscopic view of the Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) on the upper surface of leaves of littlehip hawthorn (Crataegus spathulata) from Richards Loop Trail in Sam Houston National Forest, Texas, reveals intricate structures under KOH examination. The image was captured on July 23, 2023. - generated by AI The microscopic image shows a cluster of pycnia, the fruiting bodies of Gymnosporangium globosum, the fungus responsible for Juniper-hawthorn rust. The pycnia are brown and elongated, with one larger structure visible in the center-right of the image. **Image Details** * **Background**: The background is white. **Analysis** The brown coloration and elongated shape of the pycnia are consistent with Gymnosporangium globosum. This species is known to infect juniper and hawthorn plants in North America, causing rust disease. – AI vision |
College Station, Texas, July ... 2023 |
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