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Journal of Experimental Agriculture International

Journal of Experimental Agriculture International, ISSN: 2457-0591, ISSN: 2231-0606 (Past),Vol.: 25, Issue.: 1

Original-research-article

Growth, Production and Essential Oil Content of Basil Genotypes in Hydroponic Conditions under Salt Stress

 

Helio Gondim Filho1, Petterson Costa Conceição Silva1*, Mairton Gomes da Silva1, Monikuelly Mourato Pereira1, Tales Miler Soares1, André Dias de Azevedo Neto2, Rafael Souza Vasconcelos1 and Hans Raj Gheyi1

1Centro de Ciências Agrárias, Ambientais e Biológicas, Universidade Federal do Recôncavo da Bahia, Rua Rui Barbosa, 710, CEP 44380-000, Cruz das Almas, BA, Brazil.

2Centro de Ciências Exatas e Tecnológicas, Universidade Federal do Recôncavo da Bahia, Rua Rui Barbosa, 710, CEP 44380-000, Cruz das Almas, BA, Brazil.

 

Article Information

Editor(s):

(1) Funda Eryilmaz Acikgoz, Associate Professor, Department of Plant and Animal Production, Vocational College of Technical Sciences, Namik Kemal University, Turkey.

Reviewers:

(1) Nimbolkar Prashant Kisan, ICAR-IIHR, India.

(2) Blas Lotina Hennsen, Universidad Nacional Autónoma de México, Mexico.

Complete Peer review History: http://www.sciencedomain.org/review-history/25782

 

Abstracts

 

Aims: Salinity is one of the abiotic factors that most limit the yield of crops. However, the responses may vary according to the genotypic characteristics of each species. This study aimed to evaluate the growth, production and essential oil content of three basil genotypes subjected to salinity in deep flow technique hydroponic system.

Study Design: The experimental design was in randomized blocks, in split plots, with three replicates.

Methodology: The main plots were used to evaluate six levels of electrical conductivity of the solution (ECsol 2.45; 4.32; 6.38; 8.36; 10.37 and 12.27 dS m-1), obtained by the addition of NaCl in the nutrient solution. In the subplots, three basil genotypes (‘Alfavaca Basilicão’, ‘Grecco a Palla’ and ‘Toscano Folha de Alface’) were studied.

Results: Plant height was less sensitive than stem diameter to salinity. Shoot dry matter decreased by 6.87, 6.84 and 6.47%, respectively, in the genotypes ‘Alfavaca Basilicão’, ‘Toscano Folha de Alface’ and ‘Grecco a Palla’ per unit increase in salinity (dS m-1). The essential oil contents increased by 20.3 and 9.7% per unit increase in salinity (dS m-1) for ‘Grecco a Palla’ and ‘Toscano Folha de Alface’, respectively.

Conclusions: The genotype ‘Alfavaca Basilicão’ was the most recommended for shoot dry matter production up to salinity level of 10.37 dS m-1. At the highest salinity level tested (12.27 dS m-1), there was no difference in shoot dry matter production and absolute growth rate among the genotypes evaluated. The genotype ‘Grecco a Palla’ showed higher essential oil content as salinity increased.

 

Keywords :

Ocimum basilicum L.; Ocimum minimum L.; salinity; essential oil.

 

Full Article - PDF    Page 1-10    Article Metrics

 

DOI : 10.9734/JEAI/2018/43023

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