Tolerance of tomato seedling cultivars to different values of irrigation water salinity

被引：2
作者：
Oliveira, Carlos E. da S. [1 ]
Zoz, Tiago [2 ]
Jalal, Arshad [1 ]
Seron, Cassio de C. [3 ]
da Silva, Rafael A. [3 ]
Teixeira Filho, Marcelo C. M. [1 ]
机构：
[1] Univ Estadual Paulista, Fac Engn Ilha Solteira, Dept Fitossanidade Engn Rural & Solos, Ilha Solteira, SP, Brazil
[2] Univ Estadual Mato Grosso do Sul, Dept Prod Vegetal, Mundo Novo, MS, Brazil
[3] Univ Estadual Mato Grosso do Sul, Dept Prod Vegetal, Cassilandia, MS, Brazil
来源：
REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL | 2022年 / 26卷 / 10期
关键词：
Solanum lycopersicon; salt stress; osmotic potential; root development; YIELD; GROWTH;
D O I：
10.1590/1807-1929/agriambi.v26n10p697-705
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The use of water with different salinity values in the production of vegetable seedlings is an issue of global concern; therefore, selecting tomato cultivars with tolerance to saline water is essential to improve the fruit quality and production. This study aimed to estimate the maximum electrical conductivity of irrigation water that does not harm the production of tomato seedlings and find cultivars with tolerance to the effects of salinity in this phase. In the first experiment, the treatments were arranged in a 3 x 8 factorial scheme (three tomato cultivars and eight values of electrical conductivity of irrigation water). The second experiment was arranged in a 10 x 3 factorial scheme (10 cultivars and three values of electrical conductivity of irrigation water). The 50% reduction in the root dry matter accumulation occurred with the electrical conductivity of irrigation water (ECw) of 2.31 dS m(-1). The reduction of more than 50% of the Dickson quality index was observed with an ECw of 6.38 dS mCoracao de Boi, Dominador, Maestrina, Sheena, and Shanty were the tomato cultivars most tolerant to the irrigation water with 3.0 dS m(-1) of ECw. The electrical conductivity of irrigation water higher than 2.31 dS m(-1) impairs the root growth of tomato seedlings.
引用
收藏
页码：697 / 705
页数：9
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