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The host of Diplocarpon earliana is the strawberry plant. The disease mainly infects strawberry leaves at any stage of its life cycle, but may infect all parts of the strawberry plant, including the petioles, fruits, and stems. The disease is characterized by numerous small, purplish to brownish lesions (from 1/16 to 3/16 of an inch in diameter ...
This disease affects strawberry plant foliage causing purple spots ⅛ to ¼ inches across on the upper side of the leaves. [3] At first, the whole spot is purple but as the disease matures the center of the leaf spots on older leaves become tan or gray, then almost white. Lesions on younger leaves remain light brown. [4]
The younger plant leaves turn blue-green, and older leaves turn red or yellow. The plant will wilt and collapse. In some cases, not frequently, the plant will merely wilt and die before visible symptoms are able to develop above the ground. The plant may die before fruiting, but if there is fruit produced it will likely be small, deformed, or dry.
Brown leaf edges are like a warning sign that your plant is experiencing stress. This could be due to underwatering, where the plant isn’t getting enough moisture to keep its leaves hydrated.
As the disease worsens, the angular spots grow larger and begin to combine. Severely affected leaves can tear away and become jagged, with a dry and reddish-brown appearance. Prolonged wetness on strawberry leaves can exacerbate this disease, so air circulation and sunlight exposure are important to protecting the host plants.
Noticing brown tips on leaves of your indoor plants? Solve the problem with proper watering and fertilizing tips from a gardening expert. The post Why Does My Plant Have Brown Tips on the Leaves ...
Brown leaf spot of strawberry; Causal agents: Septoria fragariae: Hosts: Strawberries: EPPO Code: SEPTFR: Septoria fragariae is a fungal plant pathogen affecting ...
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 ...