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2. Canna leaf roller - Wikipedia

   en.wikipedia.org/wiki/Canna_Leaf_Roller

   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 ]

3. Puccinia thaliae - Wikipedia

   en.wikipedia.org/wiki/Puccinia_thaliae

   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.

4. List of hemp diseases - Wikipedia

   en.wikipedia.org/wiki/List_of_hemp_diseases

   Melanospora cannabis (secondary on hemp canker) Rhizoctonia soreshin and root rot Rhizoctonia solani: Rust Aecidium cannabis Uredo kriegeriana Uromyces inconspicuus. Southern blight. Sclerotium root and stem rot Sclerotium rolfsii Athelia rolfsii [teleomorph] Stemphylium leaf and stem spot Stemphylium botryosum Pleospora tarda [teleomorph]

5. 11 Garden Pests That Are Eating Your Plants—and How ... - AOL

   www.aol.com/11-garden-pests-eating-plants...

   Besides removing the insects by hand or including trap plants to lure away bugs, you can bring in (native) ladybugs as well. A ladybug larva can eat 50 aphids a day. A ladybug larva can eat 50 ...

6. Canna (plant) - Wikipedia

   en.wikipedia.org/wiki/Canna_(plant)

   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 ...

7. Canna virus - Wikipedia

   en.wikipedia.org/wiki/Canna_virus

   Sometimes leaves are slightly distorted and puckered. Like many plants under stress, affected cannas will flower very early in the season and before the plant is full height. Over the years the canna will lose vigour and become increasingly unsightly. Some are spread by aphids and other sap sucking insects.