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- Title
Ecophysiology of Mentha piperita under saline stress and biostimulant in the Brazilian semiarid region.
- Authors
Silva Nóbrega, Jackson; Iarley da Silva, Toshik; Vieira de Sousa, Leonardo; Everthon da Silva Ribeiro, João; Andrade Figueiredo, Francisco Romário; Teodoro de Fátima, Reynaldo; Jardelino Dias, Thiago; de Lucena Alcântara Bruno, Riselane
- Abstract
Brazilian semiarid region has water with high levels of salts that limit its use in agriculture, necessitating the adoption of strategies to reduce the impact of salinity. The objective of this study was to assess the effect of a biostimulant as a attenuating of mitigate saline stress on the growth, gas exchange, chlorophyll indices, and chlorophyll a fluorescence of Mentha piperita. The experiment was performed using a randomized block design, employing a 5 × 5 incomplete factorial schemes. This involved five different electrical conductivities of the irrigation water (ECw = 0.5, 1.01, 2.25, 3.49, and 4.00 dS m-1) and five doses of the biostimulant (Stimulate® = 0.0, 1.45, 5.00, 8.55, and 10.0 mL L-1). In total, nine combinations were generated using the Central Composite Design. Growth, gas exchange, chlorophyll indices, and chlorophyll a fluorescence were evaluated 45 days after irrigation with saline water. The results indicated that saline stress hindered the growth, gas exchange, chlorophyll indices, and photochemical efficiency of M. piperita. However, the biostimulant mitigated the adverse effects of salinity on the growth, gas exchange, and photochemical efficiency of M. piperita.
- Subjects
PEPPERMINT; ARID regions; SALINE irrigation; GAS exchange in plants; CHLOROPHYLL spectra; SALINE waters; ECOPHYSIOLOGY; IRRIGATION water
- Publication
Brazilian Journal of Agricultural Sciences / Revista Brasileira de Ciências Agrárias, 2023, Vol 18, Issue 2, p1
- ISSN
1981-1160
- Publication type
Article
- DOI
10.5039/agraria.v18i2a2203