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Puccinia thaliae is the causal agent of canna rust, a fungal disease of Canna. Symptoms include yellow to tan spots on the plant's leaves and stems. Initial disease symptoms will result in scattered sori (clustered sporangia), eventually covering the entirety of the leaf with coalescing postulates.
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.
Pseudomonas cannabina is a gray, Gram-negative, fluorescent, motile, flagellated, aerobic bacterium that causes leaf and stem rot of hemp (Cannabis sativa), [1] from which it derives its name. It was formerly classified as a pathovar of Pseudomonas syringae , but following ribotypical analysis , it was reinstated as a species. [ 2 ]
Fungal diseases; Anthracnose Colletotrichum coccodes = Colletotrichum atramentarium = Colletotrichum dematium: Black dot disease Epicoccum nigrum = Epicoccum purpurascens: Black mildew Schiffnerula cannabis: Brown blight Alternaria alternata = Alternaria tenuis: Brown leaf spot and stem canker Ascochyta spp. Ascochyta prasadii Phoma spp ...
Symptoms can overlap across causal agents, however differing signs and symptoms of certain pathogens can lead to the diagnosis of the type of leaf spot disease. Prolonged wet and humid conditions promote leaf spot disease and most pathogens are spread by wind, splashing rain or irrigation that carry the disease to other leaves. [2]
Acne symptoms and signs. Acne blemishes are most common on the face, chest, back, shoulders and neck, but they can appear almost anywhere. With acne, you might have pimples, blackheads, papules ...
LOS ANGELES (AP) — The Biden administration's move to reclassify marijuana as a less dangerous but still controlled drug was hailed as a monumental step in reshaping national policy. But it ...
Hop latent viroid (abbreviated HpLVd, or HLVd, binomial Cocadviroid latenshumuli) is a viroid, which is known to cause the Dudding Disease in hemp and cannabis. [1] [2] It is a non-capsulated strand of RNA and an obligate parasite that requires the presence of a compatible host for its survivability.