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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.
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 ...
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.
For best results, repot your plants in spring and choose a well-draining pot that’s just one or two sizes larger than the pot your plant is growing in. If the peace lily’s roots are tangled in ...
Root Problems. While this is less common than other causes, the leaves of a severely root-bound snake plant can droop. ... "Make sure that the new pot is 1 to 2 inches larger in diameter than the ...
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The host-specific characteristic of many leaf spot pathogens makes diversity in plant species a way to reduce and regulate leaf spot pathogen infection levels within plant populations. [ 18 ] Prevention of leaf spot disease includes variety selection, crop rotations, plant hygiene and fungicide use for seeds and foliage. [ 19 ]
However, plants with hairy leaves or plants in soilless mixes may do better by being watered from the bottom. Set the pot in a shallow pool of water so the soil will absorb water over a few hours ...