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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 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 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]
These are the most common causes of brown spots on fiddle leaf fig foliage, plus simple tips for restoring your plant’s health. 7 Causes for Brown Spots on a Fiddle Leaf Fig (and How to Save ...
Without control leaf spot is estimated to be able to reduce yields by up to 50%. [65] Alternaria leaf spot is controlled using the same treatment as downy mildew: applications of azoxystrobin, copper, chlorothalonil, mancozeb, and maneb beginning midseason.
Here are the best acne spot treatments, according to dermatologists, experts, and editors to help shrink, fade, and get rid of pimples and breakouts quickly. 12 Spot Treatments That'll Make A Zit ...
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.
“This treatment pairs vitamin C with alpha-hydroxy acids, which help to lighten dark spots and smooth the skin,” says Dr. Loucas. The 15% concentration of vitamin C works to prevent UV damage ...