National Elm Trial in Kansas 2014
John C. Pair Horticulture Center
- Established: 2007
- Located at Kansas State University John Pair Horticultural Center at Haysville, Kansas
- Visitors are welcome-please check in at the office
- 18 cultivars in trial
- The site is flat with mowed vegetation and Canadian-Waldeck fine sandy loam soil
- Irrigated with above ground impact sprinklers when needed
- Insects: European Elm Flea Weevil and Grasshoppers
- Best Trees: Allee, Danada Charm, New Harmony, New Horizon, Morton Accolade, and Princeton
Kansas Diameter Growth/Year
Kansas Height Growth/Year
Insect Disease and Overall Performance
Elm Varieties Details
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 14.4
Height (m): 7.8
Crown shape: Vase
Insects: Lacebug damage to foliage (minimal)
European elm flea weevil damage (minimal)
Comments: Strong grower, broad spreading
Date: 8/2014
Survival: 60%
Diameter at 1.4m (cm): 7.4
Height (m): 3.4
Crown shape: Oval
Insects: None
Comments: Some wet wood, trunk cankers, chlorotic foliage
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 9.2
Height (m): 5.7
Crown shape: Vase, Oval
Insects: None
Comments: Slow growing, thin, wet wood and cankers, chlorotic foliage
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 15.1
Height (m): 7.0
Crown shape: Round
Insects: European elm flea weevil damage (Heavily)
Comments: Canopy lacking density, branches lack rigidity
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 14.6
Height (m): 8.7
Crown shape: Vase, Pyramid and Oval
Insects: European elm flea weevil (Minimal)
Comments: Strong grower with irregular habit
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 15.4
Height (m): 7.9
Crown shape: Round, Pyramid
Insects: European elm flea weevil
Comments: Defoliation, branches lack rigidity, main stem is bent/leaning due to wind, visible trunk canker
Date: 8/2014
Survival: 80%
Diameter at 1.4m (cm): 11.4
Height (m): 6.4
Crown shape: Round
Insects: European elm flea weevil (Minimal)
Comments: Strong grower with dense canopy and attractive bark
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 21.1
Height (m): 9.2
Crown shape: Round
Insects: European elm flea weevil (Heavy)
Comments: Strong grower with uniform/upright rounded habit, some leaf gall
Date: 8/2014
Survival: 80%
Diameter at 1.4m (cm): 9.5
Height (m): 4.3
Crown shape: Vase, Pyramid, Oval
Insects: European elm flea weevil (Heavy)
Comments: Medium growth, unattractive, wet wood
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 13.8
Height (m): 7.2
Crown shape: Pyramid, Vase
Insects: European elm flea weevil (Minimal)
Comments: Tall with irregular growth, not attractive
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 12.8
Height (m): 6.0
Crown shape: Vase
Insects: European elm flea weevil (Minimal)
Comments: Attractive, dark green foliage
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 15.9
Height (m): 8.2
Crown shape: Vase and Pyramid
Insects: European elm flea weevil (Minimal)
Comments: Strong grower, irregular habit, dark green and attractive foliage
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 12.1
Height (m): 6.8
Crown shape: Round
Insects: European elm flea weevil (Minimal)
Comments: Dense canopy with large leaves
Date: 8/2014
Survival: 80%
Diameter at 1.4m (cm): 6.0
Height (m): 4.5
Crown shape: Vase
Insects: None
Comments: Weak, stunted, thin canopy with only a few chlorotic cupped leaves
These Jefferson reps were found to be the same cultivar as Princeton
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 15.4
Height (m): 8.3
Crown shape: Vase
Insects: See ‘Princeton”
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 15.1
Height (m): 8.3
Crown shape: Vase
Insects: European elm flea weevil (Minimal) Lacebug damage to foliage (Minimal)
Comments: Impressive grower, upright habit, attractive tree
Date: 8/2014
Survival: 100%
Diameter at 1.4m (cm): 11.1
Height (m): 7.2
Crown shape: Vase and Round
Insects: European elm flea weevil damage (Minimal) Lacebug damage to foliage (Significant)
Comments: Narrow, upright habit with strong, central axis
Date: 8/2014
Survival: 80%
Diameter at 1.4m (cm): 11.4
Height (m): 5.2
Crown shape: Broad oval
Insects: European elm flea weevil damage (Minimal) Lacebug damage to foliate (Minimal)
Comments: Strong grower with broad spreading habit, some wet wood
Insect and Disease Damage
