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Water loss estimates for five recently transplanted landscape tree species in a semi-arid climate
Journal of Environmental Horticulture
  • Thayne Montague
  • Roger Kjelgren, Utah State University
  • Rick Allen
  • David Wester
Document Type
Horticultural Research Institute
Publication Date

Over three growing seasons (1994-1996), water loss of five recently transplanted, balled and burlaped (B&B) tree species was investigated using below-ground, electronic weighing lysimeters. For each species, actual tree water loss was correlated with reference evapotranspiration (ETo) to create a water loss multiplier. At the beginning of each growing season a single tree was planted into each lysimeter. Selected species were London planetree (Platanus x acerifolia 'Bloodgood'), corkscrew willow (Salix matsudana 'Tortuosa'), littleleaf linden (Tilia cordataI 'Greenspire'), Norway maple (Acer platanoides 'Emerald Queen'), and green ash (Fraximus pennsylvanica 'Patmore'). Throughout each growing season, tress were well-watered and lysimeter mass and meteorological variables were collected on site. Water loss multipliers for each tree species were calculated as the ratio of water loss (based upon total leaf area) to total daily ETo. Results indicate corkscrew willow and littleleaf linden had the greatest daily mean water loss (5.6 and 4.8 mm, respectively) (0.22 and 0.18 in, respectively), while Norway maple had the least (1.1 mm) (0.04 in). Water loss multipliers were greatest for corkscrew willow and littleleaf linden (1.1 and 0.9, respectively) and least for Norway maple (0.2). Resgression analysis indicated total daily ETo had limited influence on total daily tree water loss. This suggests factors other than ETo influence water loss of recently transplanted, B&B trees in a semi-aird climate.

Citation Information
Montague, T., R. *Kjelgren, R. Allen, and D. Wester. 2004. Water loss estimates for five recently transplanted landscape tree species in a semi-arid climate. J. Environ. Hort. 22:189-196.