Tomato grafted and cultivated in saline medium and its relation on nutraceutical compounds of the fruits | [Pakistan Journal of Botany • 2020]

Author(s):

1. ISRAEL LEON-CALVARIO: Antonio Narro Autonomous Agrarian University, Department of Horticulture,Saltillo 25315, Coahuila,México

2. MARCELINO CABRERA-DE LA FUENTE: Antonio Narro Autonomous Agrarian University, Department of Horticulture,Saltillo 25315, Coahuila,México

3. ADALBERTO BENAVIDES-MENDOZA: Antonio Narro Autonomous Agrarian University, Department of Horticulture,Saltillo 25315, Coahuila,México

4. ANTONIO JUÁREZ-MALDONADO: Antonio Narro Autonomous Agrarian University, Department of Botany,Saltillo 25315, Coahuila,México

5. ALBERTO SANDOVAL-RANGEL: Antonio Narro Autonomous Agrarian University, Department of Horticulture,Saltillo 25315, Coahuila,México

Abstract:

The fruit of tomato is one of the highly consumed vegetables in the world, because of its increasing nutraceutical quality and positive effects on the health of the consumer. The objective of this research was to increase the content of antioxidants in tomato fruits, without significantly affecting yields, inducing abiotic stress in grafted and ungrafted tomato plants, subjecting to four different concentrations of salt (NaCl). The use of grafts increased the lycopene content and the activity of the enzyme ascorbate peroxidase (APx). The concentrations of 50, 75 and 100 mM de NaCl increased the content of vitamina C and the activity of superoxide dismutase (SOD) and APx. However, they reduced the lycopene content and the yields of the culture. The fruits obtained of the grafted plants subjected to 100 mM NaCl showed the highest amount of total phenols. The saline-free treatments had higher lycopene content, while the activity of SOD was increased with the graft and 100 mM NaCl. The maximum yields were obtained in grafted plants without salt stress.

Page(s): 811-819

DOI: 10.30848/PJB2020-3(6)

Published: Journal: Pakistan Journal of Botany, Volume: 52, Issue: 3, Year: 2020

Keywords:

Solanum lycopersicum , Antioxidant enzymes , Grafting

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