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Tomato Yield, Quality, Mineral Composition and Antioxidants as Affected by Beneficial Microorganisms Under Soil Salinity Induced by Balanced Nutrient Solutions

1
Msbiotech S.p.A., 86035 Larino, Campobasso, Italy
2
Federal Scientific Center of Vegetable Production, Odintsovo District, 143072 Moscow, Russia
3
Council for Agricultural Research and Economics (CREA)—Research Center for Cereal and Industrial Crops, 81100 Caserta, Italy
4
Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Naples, Italy
5
Department of Agricultural Technologies, Banat’s University of Agricultural Sciences and Veterinary Medicine King Michael I of Romania, 300645 Timisoara, Romania
*
Author to whom correspondence should be addressed.
Agriculture 2019, 9(5), 110; https://doi.org/10.3390/agriculture9050110
Received: 26 April 2019 / Revised: 19 May 2019 / Accepted: 21 May 2019 / Published: 23 May 2019
(This article belongs to the Special Issue Plant-Microbe Interactions)
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Abstract

With the aim of assessing the effects of beneficial microorganisms on greenhouse tomato “plum” grown under salinity conditions, research was carried out in southern Italy from summer to winter, by comparing two arbuscular mycorrhizal fungi (AMF) based formulates (Rizotech Plus, Myco Apply DR) and a non-inoculated control, in factorial combination with four soil electrical conductivities (1.5, 3.0, 4.5, 6.0 mS·cm−1 EC). The highest root colonization was 83% at 3.0 mS·cm−1 under AMF-based treatments and 34% at 1.5 mS·cm−1 in non-treated control; the latter attained lower values than AMF treatments at any soil EC. Harvest occurred 3.5 days earlier in control plants, six days earlier under 6.0 mS·cm−1 EC compared to 1.5 mS·cm−1. The inoculated plants always showed higher yield than the control ones and the highest production at 4.5 mS·cm−1 EC; control plants attained the highest yield under 3.0–4.5 mS·cm−1 EC. The highest values of most fruit quality indicators, mineral elements and antioxidant compounds and activity were recorded under AMF-based formulates inoculation and 6.0 mS·cm−1 soil EC. Beneficial microorganisms proved to be an effective environmentally friendly tool for improving tomato yield and quality performances in both normal and soil salinity conditions. View Full-Text
Keywords: Solanum lycopersicum L. ‘plum’ type; root colonization; organic acids; antioxidant content and activity Solanum lycopersicum L. ‘plum’ type; root colonization; organic acids; antioxidant content and activity
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Sellitto, V.M.; Golubkina, N.A.; Pietrantonio, L.; Cozzolino, E.; Cuciniello, A.; Cenvinzo, V.; Florin, I.; Caruso, G. Tomato Yield, Quality, Mineral Composition and Antioxidants as Affected by Beneficial Microorganisms Under Soil Salinity Induced by Balanced Nutrient Solutions. Agriculture 2019, 9, 110.

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