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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.
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 ...
The genus Canna is susceptible to certain plant viruses, which may result in spotted or streaked leaves, in a mild form, but can finally result in stunted growth and twisted and distorted blooms and foliage. Known species of virus are: Canna yellow mottle badnavirus (CYMV) infecting canna species.
For canna grown outside (in California or Texas, for example), mealybugs and scale insects are most drawn to the dense folds and creases between the leaves and the stem/petiole, where the foliage attaches to the plant. At times, if left unchecked, these sucking-insects may remain effectively concealed in these tight areas, only for older or ...
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 ...
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 ...
Related: The Best Way To Keep Apples From Turning Brown. For more Southern Living news, make sure to sign up for our newsletter! Read the original article on Southern Living.
Canna leaf roller refers to two different Lepidoptera species that are pests of cultivated cannas. Caterpillars of the Brazilian skipper butterfly ( Calpodes ethlius ), also known as the larger canna leaf roller, cut the leaves and roll them over to live inside while pupating and eating the leaf. [ 1 ]
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