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Effects of Rootstock/Scion Combination and Two Irrigation Water Qualities on Cherry Tomato Yield and Postharvest Fruit Quality

1
Department of Postharvest Science of Fresh Produce, ARO–the Volcani Center, Rishon Leziyyon 7505101, Israel
2
The Robert H. Smith, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
3
Ramat Negev R & D Agricultural Research Center, Ashalim 85515, Israel
4
Katif R & D Center, Sdot Negev 87710, Israel
*
Author to whom correspondence should be addressed.
Horticulturae 2019, 5(2), 35; https://doi.org/10.3390/horticulturae5020035
Received: 17 March 2019 / Revised: 8 April 2019 / Accepted: 15 April 2019 / Published: 10 May 2019
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Abstract

The aim of this research was to evaluate postharvest cherry tomato (Solanum lycopersicum (L.) Mill.) yield and fruit quality as affected by grafting and irrigation water quality in the desert region of Israel. Tomato plants (scion cv. Lorka) were grafted onto 3 commercial tomato rootstocks (Resistar, Beaufort and TRS2) and were irrigated with 2 water qualities: fresh water (electrical conductivity (EC)-1.6 dS m−1) and salty water (EC-4.0 dS m−1). Fresh water significantly increased fruit yield by an average of 17% and fruit size, regardless of plant grafting and rootstock, but there were no significant differences in fruit size between the water treatments. However, salty water, but not grafting, significantly improved several quality parameters of fruit stored for 12 d at 12 °C followed by 2 d at 20 °C in simulated sea transport of produce from Israel to Europe and marketing. Fruit harvested from plants irrigated with salty water showed higher sweetness, sourness and, especially, better general taste, and significantly reduced off-flavor, compared with those irrigated with fresh water. The combination of ‘Lorka’ on ‘Resistar’ rootstock and resulted in the best external, internal, and sensory quality parameters at the end of storability and marketing simulation, while the lowest-quality parameters were in fruit harvested from ‘Lorka’ on ‘Beaufort’ rootstock. View Full-Text
Keywords: cherry tomato; grafting; irrigation; postharvest; shelf life; storage cherry tomato; grafting; irrigation; postharvest; shelf life; storage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Abu Glion, H.; Alkalai-Tuvia, S.; Zaaroor-Presman, M.; Chalupowicz, D.; Zanbar, M.; Amichai, M.; Cohen, S.; Shemer, T.; Sarig, S.; Fallik, E. Effects of Rootstock/Scion Combination and Two Irrigation Water Qualities on Cherry Tomato Yield and Postharvest Fruit Quality. Horticulturae 2019, 5, 35.

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