Comparative effects of partial rootzone drying and deficit irrigation on growth and physiology of tomato plants
2009
Savic, S., Megatrend University, Backa Topola (Serbia). Faculty of Biofarming | Lui, F., University of Copenhagen, DK-2630 Taastrup (Denmark). Faculty of Life Sciences, Department of Agricultural Sciences | Stikic, R., University of Belgrade, Belgrade - Zemun (Serbia). Faculty of Agriculture | Jacobsen, S. -E., University of Copenhagen, DK-2630 Taastrup (Denmark). Faculty of Life Sciences, Department of Agricultural Sciences | Jensen, C.R., University of Copenhagen, DK-2630 Taastrup (Denmark). Faculty of Life Sciences, Department of Agricultural Sciences | Jovanovic, Z., University of Belgrade, Belgrade - Zemun (Serbia). Faculty of Agriculture
The effects of partial root zone drying (PRD), deficit irrigation (DF), and full irrigation (FI) on tomato physiology were investigated. In PRD and DI plants, leaf water potential values and stomatal conductance were significantly lower, while xylem ABA concentration was greater compared to FI plants. Photosynthesis was similar for all treatments. Water use efficiency was improved by PRD and DI, which reduced fruit dry weight, but had no effect on dry weight of leaves and stems.
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