Table
1. Resistance of evergreen azalea
cultivars and species to root rot caused by Phytophthora cinnamomi.
|
Hybrid
group/ Cultivar
|
Flower
Color
|
|
Resistant
|
|
| Back Acres Hybrid | |
| Corrine Murrah | White with rose ruffle |
| Carla Hybrid | |
| Fred Cochran | Moderately purplish red |
| Glenn Dale Hybrid | |
| Fakir | Purplish pink |
| Rhododendron species | |
| Rhododendron poukhanese | Moderate purple |
| Southern Indian Hybrid | |
| Formosa | Rose purple |
|
Moderately
Resistant
|
|
| Back Acres Hybrid | |
| Rachel Cunningham | Yellowish pink to vivid red |
| Belgian Indian Hybrids | |
| Chimes | Purplish red |
| Redwing | Purplish red |
| Gable Hybrid | |
| Rose Greeley | White with blotch |
| Glenn Dale Hybrids | |
| Glacier | White |
| Merlin | Light reddish purple |
| Polar Seas | White |
| Pericat Hybrids | |
| Hampton Beauty | Deep pink with blotch |
| Morning Glow | Purplish pink |
| Pink Supreme | Pink |
| Sweetheart Supreme | Deep pink with blotch |
| Rutherford Hybrid | |
| Alaska | White with blotch |
| Satsuki Hybrids | |
| Eikan | Variable, white to pink |
| Higasa | Purplish pink with blotch |
| Pink Gumpo | Light pink |
| Shin-ki-gen | Variable, white to red |
| Southern Indian Hybrid | |
| New White | White |
|
Susceptible
|
|
| Back Acres Hybrid | |
| Margaret Douglas | Light pink |
| Marian Lee | White center, red border |
| Pat Kraft | Vivid red |
| Saint James | Yellowish pink to reddish orange |
| White Jade | White |
| Carla Hybrids | |
| Cochran's Lavender | Purplish pink |
| Pink Camellia | Light purplish pink |
| Wolfpack Red | Strong red |
| Belgian Indian Hybrid | |
| California Sunset | Moderate red |
| Hexe | Purplish red |
| Gable Hybrids | |
| Herbert | Vivid reddish purple |
| Rosebud | Deep purplish pink |
| Royalty | Vivid purplish pink |
| Glenn Dale Hybrids | |
| Catawaba | Reddish purple |
| Copperman | Yellowish pink |
| Gaiety | Light purple pink |
| Martha Hitchcock | White with reddish margins |
| Robinhood | Purplish pink |
| Treasure | White with pink margin |
| Kurume Hybrids | |
| Coral Bells | Pink |
| Hershey Red | Red |
| Hinodegiri | Red |
| Massasoit | Dark red |
| Snow | White |
| Pericat Hybrid | |
| Barbara Gail | Light purplish pink |
| Flanders Field | Vivid red |
| Fortune | Strong red |
| Pink Hiawatha | Pink |
| Sensation | Vivid purplish red |
| Rutherford Hybrids | |
| Dorothy Gish | Reddish orange with blotch |
| Gloria | Purplish red |
| White Gish | White |
| Satsuki Hybrids | |
| Amaghasa | Vivid red |
| Kow Koku | White with red variegation |
| White Gumpo | White |
| Southern Indian Hybrids | |
| Mrs. G. G. Gerbing | White |
| Pride of Summerville (Lawsal) | Strong yellowish pink |
| Prince of Orange | Reddish orange |
|
Highly
Susceptible
|
|
| Carla Hybrids | |
| Adelaide Pope | Deep rose pink |
| Autumn Sun | Bronze-red |
| Carror | Rose pink |
| Elaine | Light pink |
| Emily | Deep rose red |
| Jane Spaulding | Rose pink |
| Pink Cloud | Light pink |
| Sunglow | Deep rose pink |
| Gable Hybrid | |
| Purple Splendour | Vivid reddish purple |
| Glenn Dale Hybrid | |
| Pinocchio | White with stripes |
| Kurume Hybrids | |
| General MacArthur | Reddish purple |
| Hino Crimson | Strong red |
| Pink Pearl | Strong pink |
| Satsuki Hybrid | |
| Johga | White to light purple or lt pink |
For complete descriptions of these hybrid groups and cultivars, see Galle, F. C. 1987. Azaleas. Timber Press, Portland, Ore.
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