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- Title
ECOPHYSIOLOGY AND GROWTH OF BASIL (Ocimum basilicum) UNDER SALINE STRESS AND SALICYLIC ACID.
- Authors
da SILVA, Toshik Iarley; Da SILVA RIBEIRO, João Everthon; GOMES DIAS, Marlon; SILVA NÓBREGA, Jackson; MELO GONÇALVES, Anderson Carlos; de MELO FILHO, José Sebastião; LEITE ALVES, Antônio Carlos; CALIXTO JÚNIOR, João Tavares; JARDELINO DIAS, Thiago; COLA ZANUNCIO, José
- Abstract
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.
- Subjects
SALICYLIC acid; BASIL; CHLOROPHYLL spectra; ECOPHYSIOLOGY; PLANT growth; BLOCK designs; IRRIGATION water; ELECTRIC conductivity; CHLOROPHYLL
- Publication
Acta Biológica Colombiana, 2023, Vol 28, Issue 1, p128
- ISSN
0120-548X
- Publication type
Article
- DOI
10.15446/abc.v28n1.97151