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Effect of partial root drying on growth and photosynthesis of tomato (Lycopersicon esculentum L.)

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2004
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Authors
Savić, Slađana
Contributors
Oljača, Snežana
Article (Published version)
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Abstract
Tomato plants were grown in commercial compost with the root system divided equally in two parts (PRD technique). At the end of vegetative and during generative stage of development, half of the root system was exposed to drought, while the remainder of the root system was irrigated. One PRD treatment took 10 days and during this period the soil water content in the dry roots ide was reduced to 30%. After this, the treatment was reversed, allowing the previously dry compartment to be well-watered and the well-watered compartment to dry down. In control plants both compartments were watered daily to drip point throughout the experimental period. During experimental period the following measurements were done: plant height leaf number and area, number of flower trusses, number and diameter of fruit, leaf gas exchange (photosynthesis and transpiration), leaf water potential, leaf apoplastic pH and water-use efficiency (WUE). Obtained results of plants height and leaf number and area showe...d that, as a consequence of PRD treatment the growth of whole plants was reduced, but not fruit, although WUE was increased. These results pointed out that with PRD technique it is possible to reduce irrigation water without significant reduction effect on tomato yield.

Keywords:
partial root drying(PRD) / tomato growth / photosynthesis / transpiration / water use efficiency (WUE)
Source:
Journal of Agricultural Sciences, 2004, 49, 1, 1-11
Publisher:
  • Beograd : University of Belgrade - Faculty of Agriculture, Belgrade

ISSN: 1450-8109

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rivec_309
URI
http://RIVeC.institut-palanka.rs/handle/123456789/309
Collections
  • Radovi istraživača Instituta za povratarstvo pre dolaska u Institut / Previous papers of the Institute's researchers
Institution/Community
Institut za povrtarstvo
TY  - JOUR
AU  - Savić, Slađana
PY  - 2004
UR  - http://RIVeC.institut-palanka.rs/handle/123456789/309
AB  - Tomato plants were grown in commercial compost with the root system divided equally in two parts (PRD technique). At the end of vegetative and during generative stage of development, half of the root system was exposed to drought, while the remainder of the root system was irrigated. One PRD treatment took 10 days and during this period the soil water content in the dry roots ide was reduced to 30%. After this, the treatment was reversed, allowing the previously dry compartment to be well-watered and the well-watered compartment to dry down. In control plants both compartments were watered daily to drip point throughout the experimental period. During experimental period the following measurements were done: plant height leaf number and area, number of flower trusses, number and diameter of fruit, leaf gas exchange (photosynthesis and transpiration), leaf water potential, leaf apoplastic pH and water-use efficiency (WUE). Obtained results of plants height and leaf number and area showed that, as a consequence of PRD treatment the growth of whole plants was reduced, but not fruit, although WUE was increased. These results pointed out that with PRD technique it is possible to reduce irrigation water without significant reduction effect on tomato yield.
PB  - Beograd : University of Belgrade - Faculty of Agriculture, Belgrade
T2  - Journal of Agricultural Sciences
T1  - Effect of partial root drying on growth and photosynthesis of tomato (Lycopersicon esculentum L.)
EP  - 11
IS  - 1
SP  - 1
VL  - 49
UR  - https://hdl.handle.net/21.15107/rcub_rivec_309
ER  - 
@article{
author = "Savić, Slađana",
year = "2004",
abstract = "Tomato plants were grown in commercial compost with the root system divided equally in two parts (PRD technique). At the end of vegetative and during generative stage of development, half of the root system was exposed to drought, while the remainder of the root system was irrigated. One PRD treatment took 10 days and during this period the soil water content in the dry roots ide was reduced to 30%. After this, the treatment was reversed, allowing the previously dry compartment to be well-watered and the well-watered compartment to dry down. In control plants both compartments were watered daily to drip point throughout the experimental period. During experimental period the following measurements were done: plant height leaf number and area, number of flower trusses, number and diameter of fruit, leaf gas exchange (photosynthesis and transpiration), leaf water potential, leaf apoplastic pH and water-use efficiency (WUE). Obtained results of plants height and leaf number and area showed that, as a consequence of PRD treatment the growth of whole plants was reduced, but not fruit, although WUE was increased. These results pointed out that with PRD technique it is possible to reduce irrigation water without significant reduction effect on tomato yield.",
publisher = "Beograd : University of Belgrade - Faculty of Agriculture, Belgrade",
journal = "Journal of Agricultural Sciences",
title = "Effect of partial root drying on growth and photosynthesis of tomato (Lycopersicon esculentum L.)",
pages = "11-1",
number = "1",
volume = "49",
url = "https://hdl.handle.net/21.15107/rcub_rivec_309"
}
Savić, S.. (2004). Effect of partial root drying on growth and photosynthesis of tomato (Lycopersicon esculentum L.). in Journal of Agricultural Sciences
Beograd : University of Belgrade - Faculty of Agriculture, Belgrade., 49(1), 1-11.
https://hdl.handle.net/21.15107/rcub_rivec_309
Savić S. Effect of partial root drying on growth and photosynthesis of tomato (Lycopersicon esculentum L.). in Journal of Agricultural Sciences. 2004;49(1):1-11.
https://hdl.handle.net/21.15107/rcub_rivec_309 .
Savić, Slađana, "Effect of partial root drying on growth and photosynthesis of tomato (Lycopersicon esculentum L.)" in Journal of Agricultural Sciences, 49, no. 1 (2004):1-11,
https://hdl.handle.net/21.15107/rcub_rivec_309 .

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