Estimation of daily water requirements for potted ornamental crops

Methodology was developed to estimate water requirements for production of 20 different potted ornamental plant species with practical application for water conservation in commercial operations. Water requirement prediction equations were generated using pan evaporation to estimate evaporative dema...

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Bibliographic Details
Published in:HortTechnology (Alexandria, Va.) Va.), 1992-10, Vol.2 (4), p.454-456
Main Authors: Stanley, C.D, Harbaugh, B.K
Format: Article
Language:English
Subjects:
BEDDING PLANTS
BESOIN EN EAU
CONSERVACION DE AGUAS
CONSERVATION DE L'EAU
CROP PRODUCTION
EVAPOTRANSPIRACION
EVAPOTRANSPIRATION
FORECASTING
HABITOS DE CRECIMIENTO
NECESIDADES DE AGUA
ORNAMENTAL FOLIAGE PLANTS
ORNAMENTAL PLANTS
PLANT CONTAINERS
PLANT HABIT
PLANT PRODUCTION
PLANTAS DE ARRIATE
PLANTAS DE HOJAS ORNAMENTALES
PLANTAS DE MACETAS
PLANTAS ORNAMENTALES
PLANTE A FEUILLAGE DECORATIF
PLANTE DE PARTERRE
PLANTE EN POT
PLANTE ORNEMENTALE
PORT DE LA PLANTE
POT PLANTS
PREDICTION
PRODUCCION VEGETAL
PRODUCTION VEGETALE
RECIPIENT DE CULTURE
RECIPIENTE DE CULTIVO
TECHNIQUE DE PREVISION
TECNICAS DE PREDICCION
USO DEL AGUA
UTILISATION DE L'EAU
VARIEDADES
VARIETAL REACTIONS
VARIETE
VARIETIES
WATER CONSERVATION
WATER REQUIREMENTS
WATER USE
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Summary:Methodology was developed to estimate water requirements for production of 20 different potted ornamental plant species with practical application for water conservation in commercial operations. Water requirement prediction equations were generated using pan evaporation to estimate evaporative demand along with plant canopy height and width and flower height as input variables. Coefficients of determination (R 2 ) for the prediction equations among plant species ranged from 0.51 to 0.91, with the lower values mostly associated with plant species with an open or less-uniform growth habit. Variation in water use among different cultivars of marigold also was associated with differences in cultivar growth habit. Estimation of the daily water requirements of potted Reiger begonia and Ficus benjamina using their developed prediction equations was compared to actual water use under common growing conditions to demonstrate the implementation of the method for plant species differing in growth habit.
ISSN:1063-0198
1943-7714
DOI:10.21273/HORTTECH.2.4.454