Deficit irrigation influences yield and lycopene content of diploid and triploid watermelon
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AutorLeskovar, D.I.; Bang, H.; Kolenda, K.; Perkins Veazie, Penélope; Franco Leemhuis, José Antonio
Área de conocimientoProducción Vegetal
PatrocinadoresThe authors thank the Texas Department of Agriculture and USDA for their partial financial support, to Sakata, Novartis, Abbott & Cobb, Willwhite, and Sugar Creek Seeds for providing seeds, and to Tropical Star for growing the transplants.
Fecha de publicación2003-12
EditorialInternational Society for Horticultural Science
Cita bibliográficaLESKOVAR, D.I., BANG, H., KOLENDA, K., PERKINS VEAZIE, P., FRANCO, J.A. Deficit Irrigation Influences Yield and Lycopene Content of Diploid and Triploid Watermelon . Acta Horticulturae, 628: 147-151, Diciembre 2003. ISSN 0567-7572
Palabras claveFirmeza del fruto
Sandia sin pepitas
Riego por goteo superficial
Many vegetable production regions in the southwestern US are strictly regulated on water use. In addition, demand for high quality and nutritious vegetables has increased. This study was performed to explore the effects of deficit irrigation on yield, fruit quality and lycopene content of red-fleshed diploid and triploid watermelon (Citrullus lanatus (Thunb) Matsum & Nakai) cultivars. Irrigation treatments were 1.0, 0.75 and 0.5 evapotranspiration (ET) rates. Cultivars used were ‘Summer Flavor 710’, ‘RWW 8036’, ‘Allsweet’, ‘Sugarlee’, and ‘SWD 7302’ (diploids) and ‘Summer Sweet 5244’, ‘SWT 8706’, ‘Sugar Time’, and ‘Tri-XSunrise’ (triploids). Total water applied through a subsurface drip system was 395, 298 and 173 mm, for the 1.0, 0.75 and 0.50 ET, respectively. Total yields were highest at 1.0 ET (53.9 t ha-1) compared with 0.5 ET (26.8 t ha-1). Triploids had a 34% higher total yield and fewer culls (2%) compared with diploid cultivars (25%). Highest yields were obtained for ...
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