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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.
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.
Related: 7 Reasons Your Peace Lily Leaves Are Turning Yellow (and How to Fix the Problem) 1. Underwatering. Brown-tipped leaves on a peace lily can be a sign that your plant is not getting enough ...
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 ]
Many flowering plants are called lilies, including calla lily, canna lily, daylily, and water lily, but they aren’t actually true lilies. A true lily is in the genus Lilium and grows from large ...
You can add color and greenery to liven up drab spaces. And you can grow a range of cut flowers, ... Plant: Canna Lily. Canna lilies are striking plants that adore the heat! Plant them as part of ...
However, they may fall victim to canna rust, a fungal disease resulting in orange spots on the plant's leaves, caused by over-moist soil. They are also susceptible to certain plant viruses , some of which are Canna -specific , which may result in spotted or streaked leaves, in a mild form, but can finally result in stunted growth and twisted ...
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