Image: Rhubarb Leaf with Leaf Spot Disease
Published: February 14, 2026 at 9:49:16 PM UTC
High-resolution image of a rhubarb leaf affected by leaf spot disease, showing dark lesions and chlorosis.
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Image description
This high-resolution landscape-oriented photograph captures a close-up view of a rhubarb leaf exhibiting clear symptoms of leaf spot disease. The leaf is broad and slightly wrinkled, with a rich green hue and a prominent central vein that branches into a network of lighter green secondary veins. These veins form a visually striking pattern across the leaf’s surface, emphasizing its natural texture and structure.
The most notable feature of the leaf is the presence of numerous dark brown to reddish-purple circular lesions scattered irregularly across its surface. These spots vary in size and density, with some areas showing clusters of lesions while others have isolated marks. Each spot typically has a darker center surrounded by a lighter, yellowish halo, a classic sign of fungal or bacterial leaf spot infection. The surrounding tissue often appears chlorotic, with yellowing that radiates outward from the lesions, indicating stress and damage to the leaf cells.
The leaf’s surface has a subtle gloss, reflecting ambient daylight and enhancing the visibility of its contours and imperfections. The reddish-pink petiole, partially visible at the bottom left of the frame, contrasts sharply with the green leaf and adds a structural anchor to the composition.
In the background, the soil is dark and slightly clumpy, interspersed with organic matter and hints of other green foliage. The background is softly blurred, creating a shallow depth of field that draws attention to the diseased leaf in the foreground. Other rhubarb leaves and garden plants are visible but indistinct, contributing to the natural garden setting without distracting from the main subject.
The composition is balanced and intentional, with the leaf occupying the majority of the frame and positioned to highlight the extent and pattern of the disease. The lighting is natural and even, allowing for accurate color representation and detailed examination of the leaf’s condition. This image serves as a valuable visual reference for identifying leaf spot disease in rhubarb and understanding its impact on foliage health.
The image is related to: A Complete Guide to Growing Rhubarb in Your Home Garden