June 23, 2025 - Depending on the plant affected, septoria can damage the harvest, or totally destroy it. In cannabis cultivation, it shouldn’t totally ruin a harvest, but it is likely to stunt growth and reduce the final harvest if left untreated.

October 3, 2024 - 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 ...

November 10, 2022 - This is caused due to Septoria lycopersici — a fungus that tends to stay dormant in old plant foliage of cannabis plants. Usually, this infection is spread via splashing water and wind, most commonly during rainfall, which is why you will ...

Sometimes called “yellow leaf spot” or “leaf septoria,” this condition is caused by a fungus (or sometimes a bacteria) that attacks cannabis plants and usually appears in warm, wet weather.

September 23, 2022 - Cannabis leaf Septoria is a fungal disease that affects cannabis plants, as well as plenty of other species including tomatoes, potatoes, parsley, aubergine/egg plant and many others.

May 16, 2025 - Septoria cannabis represents a relatively understudied species within the broader Septoria genus, with gene sequence information becoming available only recently in scientific literature.

April 17, 2024 - For example, Septoria lycopersici, ... the spot on wheat, affecting it and also oats, barley and rye. Septoria cannabis is known to cause disease only in cannabis....

August 17, 2020 - What is Septoria Leaf Spot Septoria cannabis is a species of plant-pathogen from the genus Septoria, which is an ascomycete and pycnidia producing fungus, otherwise known as Septoria leaf spot.

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April 18, 2023 - Cannabis leaf septoria typically appears as small, yellow or brown spots on the leaves of the plant. As the disease progresses, these spots will grow in size and merge, eventually leading to the death of the plant.

February 17, 2024 - Yellow leaf spot, also known as leaf septoria, are caused by Septoria cannabis and S.

March 17, 2023 - Septoria, also called yellow spot or brown spot, is a fungal pathogen affecting many different species, including soybeans, tomatoes, and cannabis.

Of all those, only two infect cannabis and hemp plants: Septoria cannabis and Septoria neocannabina.

Two Septoria species have been reported on Cannabis sativa: S. cannabis and S. neocannabina. The specific distribution of each species is unknown, since morphological characteristics are similar between them, but S. cannabis appears to be dominant in cannabis production in the United States.

Similarity of morphological characteristics and lack of sequence data matching other Septoria spp. led to the conclusion that isolates collected from hemp in Kentucky are S. cannabis.

June 13, 2024 - Supplement your JWA with: sulphur, caustic soda, water, phyllite powder, red clay powder, and/or sea salt. While it’s not the worst condition when compared to other cannabis diseases, cannabis leaf septoria can be damaging.

December 27, 2020 - Septoria leaf spot is most commonly found on tomato plants but also attacks cannabis, eggplant and potatoes.