ECOPHYSIOLOGY AND GROWTH OF BASIL (Ocimum basilicum) UNDER SALINE STRESS AND SALICYLIC ACID

被引：2
作者：
da Silva, Toshik Iarley [1 ]
Ribeiro, Joao Everthon da Silva [2 ]
Dias, Marlon Gomes [3 ]
Nobrega, Jackson Silva [1 ]
Goncalves, Anderson Carlos Melo [4 ]
de Melo Filho, Jose Sebastiao [5 ]
Alves, Antonio Carlos Leite [3 ]
Calixto Junior, Joao Tavares [6 ]
Dias, Thiago Jardelino [7 ]
Zanuncio, Jose Cola [8 ]
机构：
[1] Univ Fed Campina Grande, Ctr Ciencias & Tecnol Agroalimentar, Pombal, Brazil
[2] Univ Fed Rural Semi Arido, Dept Fitotecnia, Mossoro, Brazil
[3] Univ Fed Vicosa, Dept Fitotecnia, Vicosa, MG, Brazil
[4] Univ Estadual Paraiba, Ctr Ciencias Humanas & Agr, Catole Do Rocha, Brazil
[5] Univ Fed Paraiba, Dept Fitotecnia & Ciencias Ambientais, Areia, Brazil
[6] Univ Reg Cariri, Dept Ciencias Biol, Crato, Brazil
[7] Univ Fed Paraiba, Dept Agr, Bananeiras, Brazil
[8] Univ Fed Vicosa, Dept Entomol, Vicosa, MG, Brazil
来源：
ACTA BIOLOGICA COLOMBIANA | 2023年 / 28卷 / 01期
关键词：
photosynthesis; salinity; gas exchange; ANTIOXIDANT ENZYME-ACTIVITY; SALT STRESS; PHOTOSYNTHESIS; ARABIDOPSIS; ALLEVIATION; RESPONSES; SEEDLINGS; EXPOSURE; L;
D O I：
10.15446/abc.v28n1.97151
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Salinity is one of the major problems of modern agriculture, affecting physiological, growth and plant production. Basil (Ocimum basilicum) is a plant widely used in cooking, and in the pharmaceutical and cosmetics industries. Salicylic acid can be a strategy to mitigate the harmful effects of saline stress on basil plant. The present study aimed to evaluate plants with, gas exchange, chlorophyll a fluorescence and chlorophyll indices of basil (cv. Cinnamon) plants under saline stress and salicylic acid. The experimental design was a randomized block design in a 5x5 incomplete factorial scheme generated through the central composite design. The factors we five electrical conductivities of irrigation water (ECw- 0.5, 1.3, 3.25, 5.2 and 6.0 dS m-1) and five doses of salicylic acid (SA- 0.0, 0.29, 1.0, 1.71 and 2.0 mM), with five replications and two plants per replicate. Growth, gas exchange, chlorophyll a fluorescence and chlorophyll indices of O. basilicum cv. Cinnamon were evaluated. Canonical variables analysis and confidence ellipses (p <= 0.01) were performed to study the interrelationship between variables and factors. Salicylic acid alleviated the deleterious effects of salt stress on growth, gas exchange, chlorophyll fluorescence and chlorophyll indices of basil.
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页数：26
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