Salicylic acid as attenuator of drought stress on germination and initial development of sesame

被引：22
|
作者：
da Silva, Adriana C. [1 ]
Suassuna, Janivan F. [2 ]
de Melo, Alberto S. [1 ]
Costa, Rayssa R. [1 ]
de Andrade, Wellerson L. [1 ]
da Silva, Duval C. [1 ]
机构：
[1] Univ Estadual Paraiba, Programa Posgrad Ciencias Agr, Campina Grande, PB, Brazil
[2] Univ Fed Amapa, Educ Campo, Mazagao, AP, Brazil
来源：
REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL | 2017年 / 21卷 / 03期
关键词：
Sesamum indicum L; drought; tolerance promotion; PLANTS;
D O I：
10.1590/1807-1929/agriambi.v21n3p156-162
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Sesame is an important crop in Northeast Brazil, where climate conditions require adapted genotypes and alternatives for plant defense against drought. This study aimed to evaluate the salicylic acid as drought attenuator in sesame genotypes. The experiment evaluated six genotypes (BRS Seda, CNPA-G2, CNPA-G3, CNPA-G4, LAG-Branquinha and LAG-Pretinha), five osmotic potentials ( 0, -0.2, -0.4, -0.6 and -0.8 MPa) and three seed treatments ( soaking in distilled water, in salicylic acid and no treatment). CNPA-G4 is tolerant to drought in the germination stage. Salicylic acid at 10(-5) M induced tolerance to drought stress in sesame, but it is necessary to test other concentrations.
引用
收藏
页码：156 / 162
页数：7
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