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If your plant is sporting crispy, dark or brown tips on the leaves, it may mean you need to water more often. Check the soil moisture, and slowly reduce the number of days in between watering.
Cercospora cannabis - causes olive leaf spot on Cannabis spp., and is found on hops; Cercospora cantuariensis - found on hops; Cercospora capsici - causes "frogeye" leaf spot on peppers; Cercospora caribaea; Cercospora carotae - causes carrot leaf blight; Cercospora circumscissa - causes brown shot hole on Prunus subg. Cerasus
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.
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5. Low Humidity. Light brown spots scattered across fiddle leaf fig leaves can be caused by dry air. If the brown spots in question have a pox-like look instead of being in a single area of the ...
Symptoms of infection include a downward curling of the leaves, leaf tip dieback, stunting, necrosis of growing leaf tips, sunken 'chicken pox-like' spots on leaves (often with a surrounding halo), stem death and yellowing. [7] Since these symptoms are so generic, extreme caution must be taken when introducing new plants to your greenhouse.
Brown leaf tips can be a sign the leaves are drying out and the plant needs more humidity. Fix It: Spritz your peace lily’s leaves with water once a week. Put the peace lily in a bathroom where ...
Calcium deficiency symptoms appear initially as localized tissue necrosis leading to stunted plant growth, necrotic leaf margins on young leaves or curling of the leaves, and eventual death of terminal buds and root tips. Generally, the new growth and rapidly growing tissues of the plant are affected first.