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Genus: Septoria. Species: S. lycopersici. Binomial name. Septoria lycopersici. Speg. (1881) Septoria lycopersici is a fungal pathogen that is most commonly found infecting tomatoes. It causes one of the most destructive diseases of tomatoes and attacks tomatoes during any stage of development. [1][2]
Septoria are ascomycete pycnidia -producing fungi that cause numerous leaf spot diseases on field crops, forages and many vegetables including tomatoes which are known to contract Septoria musiva from nearby cottonwood trees, and is responsible for yield losses. The genus is widespread, and estimated to contain 1072 species. [1]
Septoria cannabis is a species of plant pathogen from the genus Septoria that causes the disease commonly known as Septoria leaf spot. Early symptoms of infection are concentric white lesions on the vegetative leaves of cannabis plants, followed by chlorosis and necrosis of the leaf until it is ultimately overcome by disease and all living cells are then killed.
Zymoseptoria tritici, synonyms Septoria tritici, Mycosphaerella graminicola, is a species of filamentous fungus, an ascomycete in the family Mycosphaerellaceae. It is a wheat plant pathogen causing septoria leaf blotch that is difficult to control due to resistance to multiple fungicides. The pathogen today causes one of the most important ...
Septoria malagutii is a fungal plant pathogen infecting potatoes. [ 3] The casual fungal pathogen is a deuteromycete and therefore has no true sexual stage. As a result, Septoria produces pycnidia, an asexual flask shaped fruiting body, on the leaves of potato and other tuber-bearing spp. causing small black to brown necrotic lesions ranging in ...
Melanospora cannabis (secondary on hemp canker) Rhizoctonia soreshin and root rot. Rhizoctonia solani. Rust. Aecidium cannabis. Uredo kriegeriana. Uromyces inconspicuus. Southern blight. Sclerotium root and stem rot.
Miscellaneous diseases and disorders; Air pollution injury Ozone, sulfur dioxide and others Bitter fruit Sunburn injury, physiologic stress Blossom end rot Physiological disorder, calcium deficiency, moisture imbalance Bottle neck of fruit Incomplete pollination Measles Physiological disorder, salt toxicity Sandburn Physiological disorder
Septoria secalis[ 1] is a common disease that mainly attacks rye leaves. Small spots appear between leaf veins, elongate, then turn yellow-brown and become pale. The disease appears most often on seedling leaves during the autumn, but also affects adult plants.