Abstract
Caladiums ( Caladium × hortulanum ) are widely grown as pot or landscape plants for their attractive leaves. Pythium root rot ( Pythium myriotylum ) is one of the most damaging diseases in caladium, severely reducing plant growth, aesthetic value, and tuber yield. Twenty-three commercial cultivars were inoculated with three aggressive isolates of P. myriotylum and evaluated for their resistance to root rot. Three cultivars, `Apple Blossom', `Blizzard', and `Etta Moore', were found to have a moderate level of resistance (partial resistance) to pythium root rot. The rest of these cultivars were susceptible or highly susceptible to Pythium infection, losing up to 94% of their root tissue to rotting within 10 days after inoculation. Data indicated a linear relationship between root rot severity and leaf loss severity on Pythium -inoculated plants and highlight the importance of controlling pythium root rot in caladium pot plant and tuber production. Comparison of some recent releases with their parents for pythium root rot resistance suggests the potential of developing new resistant caladium cultivars using the identified sources of resistance.
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Claims 6
Claim · model-written summary
Apple Blossom had moderate resistance to pythium root rot.
- Material
- Apple Blossome0
- Outcome
- moderate level of resistance (partial resistance) to pythium root rote0
Caladium.jpg?width=60){kind=small}
PythiumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“`Apple Blossom', `Blizzard', and `Etta Moore', were found to have a moderate level of resistance (partial resistance) to pythium root rot.”
t0“Caladium Cultivars”
Claim · model-written summary
Blizzard had moderate resistance to pythium root rot.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“`Apple Blossom', `Blizzard', and `Etta Moore', were found to have a moderate level of resistance (partial resistance) to pythium root rot.”
t0“Caladium Cultivars”
Claim · model-written summary
Etta Moore had moderate resistance to pythium root rot.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“`Apple Blossom', `Blizzard', and `Etta Moore', were found to have a moderate level of resistance (partial resistance) to pythium root rot.”
t0“Caladium Cultivars”
Claim · model-written summary
Other cultivars were susceptible, losing up to 94% root tissue within 10 days.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rest of these cultivars were susceptible or highly susceptible to Pythium infection, losing up to 94% of their root tissue to rotting within 10 days after inoculation.”
t0“Caladium Cultivars”
Claim · model-written summary
Root rot severity was linearly related to leaf loss severity.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a linear relationship between root rot severity and leaf loss severity on Pythium -inoculated plants”
t0“Caladium Cultivars”
Claim · model-written summary
The cultivar comparisons suggest potential to develop resistant cultivars.
- Outcome
- developing new resistant caladium cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the potential of developing new resistant caladium cultivars using the identified sources of resistance”