Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean

Saffron is traditionally cultivated in soil as a semi-perennial crop, although the feasibility of crop production is today constrained in Europe due to both agronomic and socioeconomic factors. Accordingly, interest has been increasing concerning its possible cultivation within protected environment...

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Main Authors: Salas, María del Carmen, Montero, José Luis, Diaz, José Gregorio, Berti, Francesca, Quintero, María F., Guzmán, Miguel, Orsini, Francesco
Format: info:eu-repo/semantics/article
Language:English
Published: MDPI 2020
Subjects:
Online Access:http://hdl.handle.net/10835/8442
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author Salas, María del Carmen
Montero, José Luis
Diaz, José Gregorio
Berti, Francesca
Quintero, María F.
Guzmán, Miguel
Orsini, Francesco
author_facet Salas, María del Carmen
Montero, José Luis
Diaz, José Gregorio
Berti, Francesca
Quintero, María F.
Guzmán, Miguel
Orsini, Francesco
author_sort Salas, María del Carmen
collection DSpace
description Saffron is traditionally cultivated in soil as a semi-perennial crop, although the feasibility of crop production is today constrained in Europe due to both agronomic and socioeconomic factors. Accordingly, interest has been increasing concerning its possible cultivation within protected environments through adoption of soilless cultivation technologies. The aim of the present study was to optimize nutrient solution features in the soilless cultivation of saffron corms. The trial was conducted in a greenhouse at Almeria University. Saffron was grown in 15-L pots filled with perlite. Three fertigation treatments were used, obtained by a linear increase of all nutrients of one standard in order to reach an electrical conductivity (EC) of 2.0 (control, EC2.0), 2.5 (EC2.5) and 3.0 (EC3.0) dS·m−1. Measurements included determinations of shoot length, corm yield, as well as nutrient uptake from the nutrient solution and concentrations within plant tissues. The nutrient solution with the highest EC (EC3.0) allowed obtaining three to five times more corms above 25-mm diameter. The increasing EC had a significant effect on the increase of macronutrient uptake, except for NO3− and NH4+ and resulted in a general increase of nutrient concentrations in tissues, such as corms and roots. Both macronutrient uptake and accumulation in plant tissues were highest under EC3.0. Nutrient uptake was significantly correlated with production of larger corms due to higher horizontal diameter
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spelling oai:repositorio.ual.es:10835-84422023-04-12T18:56:38Z Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean Salas, María del Carmen Montero, José Luis Diaz, José Gregorio Berti, Francesca Quintero, María F. Guzmán, Miguel Orsini, Francesco Crocus sativus L nutrient uptake tissue analysis corm yield Saffron is traditionally cultivated in soil as a semi-perennial crop, although the feasibility of crop production is today constrained in Europe due to both agronomic and socioeconomic factors. Accordingly, interest has been increasing concerning its possible cultivation within protected environments through adoption of soilless cultivation technologies. The aim of the present study was to optimize nutrient solution features in the soilless cultivation of saffron corms. The trial was conducted in a greenhouse at Almeria University. Saffron was grown in 15-L pots filled with perlite. Three fertigation treatments were used, obtained by a linear increase of all nutrients of one standard in order to reach an electrical conductivity (EC) of 2.0 (control, EC2.0), 2.5 (EC2.5) and 3.0 (EC3.0) dS·m−1. Measurements included determinations of shoot length, corm yield, as well as nutrient uptake from the nutrient solution and concentrations within plant tissues. The nutrient solution with the highest EC (EC3.0) allowed obtaining three to five times more corms above 25-mm diameter. The increasing EC had a significant effect on the increase of macronutrient uptake, except for NO3− and NH4+ and resulted in a general increase of nutrient concentrations in tissues, such as corms and roots. Both macronutrient uptake and accumulation in plant tissues were highest under EC3.0. Nutrient uptake was significantly correlated with production of larger corms due to higher horizontal diameter 2020-09-14T07:17:00Z 2020-09-14T07:17:00Z 2020-09-02 info:eu-repo/semantics/article 2073-4395 http://hdl.handle.net/10835/8442 en https://www.mdpi.com/2073-4395/10/9/1311 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess MDPI
spellingShingle Crocus sativus L
nutrient uptake
tissue analysis
corm yield
Salas, María del Carmen
Montero, José Luis
Diaz, José Gregorio
Berti, Francesca
Quintero, María F.
Guzmán, Miguel
Orsini, Francesco
Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean
title Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean
title_full Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean
title_fullStr Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean
title_full_unstemmed Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean
title_short Defining Optimal Strength of the Nutrient Solution for Soilless Cultivation of Saffron in the Mediterranean
title_sort defining optimal strength of the nutrient solution for soilless cultivation of saffron in the mediterranean
topic Crocus sativus L
nutrient uptake
tissue analysis
corm yield
url http://hdl.handle.net/10835/8442
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