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Leaf spot is a fungal disease that occurs when Alternaria alernata is present on the spearmint leaves. The infection looks like circular dark spot on the top side of the leaf. Other fungi that cause disease in spearmint are Rhizoctonia solani, Verticillium dahliae, Phoma strasseri, and Erysiphe cischoracearum. [25]
Leaf blight Cephalosporium sp. Phoma leaf spot Phoma exigua. Powdery mildew Erysiphe spp. Erysiphe cichoracearum. Ramularia leaf spot Ramularia menthicola. Rust Puccinia menthae Puccinia angustata. Septoria leaf spot Septoria menthae. Stem and stolon canker Rhizoctonia solani Thanatephorus cucumeris[teleomorph] Stolon decay Fusarium solani
Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]
Cercospora is a genus of ascomycete fungi. Most species have no known sexual stage, and when the sexual stage is identified, it is in the genus Mycosphaerella. [2] Most species of this genus cause plant diseases, and form leaf spots.
These are the most common causes of brown spots on fiddle leaf fig foliage, plus simple tips for restoring your plant’s health.
Mentha, also known as mint (from Greek μίνθα míntha, [2] Linear B mi-ta [3]), is a genus of flowering plants in the mint family, Lamiaceae. [4] It is estimated that 13 to 24 species exist, but the exact distinction between species is unclear.
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Septoria cucurbitacearum Scientific classification Domain: Eukaryota Kingdom: Fungi Division: Ascomycota Class: Dothideomycetes Order: Capnodiales Family: Mycosphaerellaceae Genus: Septoria Species: S. cucurbitacearum Binomial name Septoria cucurbitacearum Sacc. (1876) Septoria cucurbitacearum is a fungal plant pathogen infecting cucurbits. Symptoms of Septoria leaf spot are similar on all the ...