Agronomical response and water use efficiency of sweet pepper plants grown in different greenhouse substrates
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This research was financed by the Fundación Séneca (Project 554/PI/04).Fecha de publicación
2009-06-01Editorial
American Society for Horticultural ScienceCita bibliográfica
del Amor, F. M., & Gómez-López, M. D. (2009). Agronomical Response and Water Use Efficiency of Sweet Pepper Plants Grown in Different Greenhouse Substrates. HortScience horts, 44(3), 810-814. Retrieved Apr 19, 2024, from https://doi.org/10.21273/HORTSCI.44.3.810Revisión por pares
siPalabras clave
Capsicum annuumrice hulls
coconut coir dust
polyacrylamide
urea formaldehyde foam
Resumen
An experiment was carried out to assess the influence of three types of substrate on the growth and yield of sweet pepper (Capsicum annuum L.). Plants were grown during three cycles (2005, 2006, and 2007) in coconut coir dust (CC), urea formaldehyde foam (UF), and rice hull (RH) amended with polyacrylamide gel (water absorber). Growth parameters, dry weight (DW) of vegetative and generative parts, intercepted radiation, water uptake, total fruit yield, and quality parameters were analyzed. Plant height, total leaf fresh weight, and stem diameter were higher in CC and lower for the RH substrate, which also showed lower yields and fruit quality. Accumulated dry matter was modeled according to water uptake and substrate using a linear function. Upper and lower limits in water use efficiency, between 2.5 and 5.7 g DW/L, are linked to the irrigation strategies and crop seasons. Light use efficiency (LUE) under different conditions was also determined to predict plant dry matter and a unique ...
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