NDLI: Aplicação Exógena De Ácido Salicílico E Estresse Salino Em Alface Crespa Cultivada Em Sistema Semihidropônico

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Aplicação Exógena De Ácido Salicílico E Estresse Salino Em Alface Crespa Cultivada Em Sistema Semihidropônico

Content Provider	Semantic Scholar
Author	Costa, Paulo Luiz Aguirre Maia, P. M. E. Lima, Luan Alves Marques, Isabel Oliveira, Francisco Silva, R. L.
Copyright Year	2017
Abstract	Lettuces are hardwoods vegetables for human consumption and are produced by small and medium-sized rural producers, who in many cases do not have good quality water for irrigation. Therefore, the objective of this work was to evaluate the effect of salicylic acid on the cultivar of crisp lettuce, cv. Vera under conditions of saline stress. The experiment was carried out in a greenhouse at the UFERSA, Mossoró, RN, Brazil. Developed 1 Graduando(a), Universidade Federal Rural do Semi Árido, Avenida Francisco Mota, 572, Bairro Costa e Silva, Mossoró, RN. Cep 59625900. Tel. (84) 9 9870-4042. Email: paula-alinne@bol.com.br 2 Doutoranda, Programa de Pós-Graduação em Recursos Hídricos em Sistemas Agrícolas, Universidade Federal de Lavras, Lavras, MG 3 Mestrando em Ciência do solo, UFC, Fortaleza, CE Prof. Doutor, Departamento Ciências Ambientais e Tecnológicas, UFERSA, Mossoró, RN P. A. A. Costa et al. in semi-hydroponic system using coconut fiber substrate. A completely randomized design with six treatments and three replications was used. The plants were fertirrigated with saline solution (3.5 dS m) and leaf application of salicylic acid (0; 0.25, 0.5, 0.75 and 1.0 mM), in addition to a control treatment (Solution). The following variables were evaluated: stem diameter, number of leaves, leaf area, fresh mass and total dry mass. It is possible to conclude that: The use of saline water in the preparation of the nutrient solution reduced all variables analyzed. The salicylic acid has a potential to be used as a salt stressing agent in the cultivation of crisp lettuce. KEYWORD: Lactuca sativa, saline stress, mineral nutrition
File Format	PDF HTM / HTML
DOI	10.7127/iv-inovagri-meeting-2017-res1430353
Alternate Webpage(s)	http://www.inovagri.org/anais/TC1430353.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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