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  2. 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.

  3. Canna (plant) - Wikipedia

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

    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 ...

  4. Canna indica - Wikipedia

    en.wikipedia.org/wiki/Canna_indica

    Canna indica, commonly known as Indian shot, [2] African arrowroot, edible canna, purple arrowroot, Sierra Leone arrowroot, [3] is a plant species in the family Cannaceae.It is native to much of South America, Central America, the West Indies, and Mexico.

  5. 6 Signs Your Houseplant Isn't Getting the Right Light (and ...

    www.aol.com/6-signs-houseplant-isnt-getting...

    Sometimes it helps to give the plant's pot a quarter-turn every week or so to straighten out its growth, but the better option is to increase light exposure. 5. Losing Variegation or Fenestration

  6. Leaf spot - Wikipedia

    en.wikipedia.org/wiki/Leaf_spot

    Small water-soaked lesions, maturing into sunken and brown spots with or without a yellow halo. May show concentric rings with purple margins. Necrotic tissue may fall out to appear shot-holed. Leaf spot on many plants and crops. Septoria: Small brown spots, that turns light tan to white in the centre. Leaf spot on many crops Bipolaris

  7. Canna virus - Wikipedia

    en.wikipedia.org/wiki/Canna_virus

    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.

  8. Canna 'Yellow King Humbert' - Wikipedia

    en.wikipedia.org/wiki/Canna_'Yellow_King_Humbert'

    Canna 'Yellow King Humbert' Burbank is a medium sized Italian Group Canna cultivar; foliage green, but often variegated purple markings and occasionally whole leaves purple, oval shaped, spreading habit; oval stems, coloured green + purple; flower clusters are open, spotted, colours yellow with red spots, often large red markings and occasionally whole flowers red, staminodes are large; seed ...

  9. 7 Reasons Your Prayer Plant's Leaves Are Curling—and ... - AOL

    www.aol.com/7-reasons-prayer-plants-leaves...

    Temperature Extremes. The ideal temperature range for a prayer plant is between 60 to 80 degrees Fahrenheit, says Langelo. Any temperature that is lower or higher can cause the leaves to curl.

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