Tolerance of castor bean cultivars under salt stress

被引：4
|
作者：
Sa, Francisco V. da S. [1 ]
de Paiva, Emanoela P. [2 ]
de Mesquita, Evandro F. [3 ]
Bertino, Antonio M. P. [4 ]
Barbosa, Marcelo A. [5 ]
Souto, Lauter S. [6 ]
机构：
[1] Univ Fed Campina Grande, Ctr Tecnol & Recursos Nat, Unidade Acad Engn Agr, Campina Grande, PB, Brazil
[2] Univ Fed Rural Semi Arido, Dept Ciencias Vegetais, Mossoro, RN, Brazil
[3] Univ Estadual Paraiba, Dept Agr & Exatas, Catole Do Rocha, PB, Brazil
[4] Univ Estadual Paraiba, Ctr Ciencias Agr, Areia, PB, Brazil
[5] Univ Estadual Paulista, Fac Ciencias Agr & Vet, Dept Solos & Adubos, Jaboticabal, SP, Brazil
[6] Univ Fed Campina Grande, Unidade Acad Ciencias Agr, Pombal, PB, Brazil
来源：
REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL | 2016年 / 20卷 / 06期
关键词：
Ricinus communis L; growth; selection germoplasm; water quality; COMPONENTS; YIELD; PLANT; TIME;
D O I：
10.1590/1807-1929/agriambi.v20n6p557-563
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This study aimed to evaluate the tolerance of castor bean cultivars under salt stress during the initial growth stage. The experiment was set in randomized blocks, in a 5 x 4 factorial scheme, resulting in 20 treatments, 5 salinity levels (0.6-control, 1.2, 1.8, 2.4 and 3.0 dS m(-1)) and 4 castor bean cultivars (BRS Energy, LA Guarani, BRS Gabriela and IAC 028)] with 3 replicates. At 30 days after sowing, plants were evaluated for growth, dry matter accumulation and salt tolerance. Increased salinity levels in the water used for irrigation reduced the growth of all the studied cultivars. The salt tolerance of the studied castor bean cultivars follows the following order: BRS Energia > BRS Gabriela = IAC 028 > LA Guarani.
引用
收藏
页码：557 / 563
页数：7
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