Ameliorative role of salicylic acid and spermidine in the presence of excess salt in Lycopersicon esculentum

Q. Fariduddin, T. A. Khan, M. Yusuf, S. T. Aafaqee, R. R.A.E. Khalil

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Salicylic acid (SA) and polyamines (PA) are widely used to overcome various abiotic stresses including salt (NaCl) stress in plants. In the present investigation, co-application efficacies of SA and PA on the salt stress (200 mM NaCl) were evaluated in Lycopersicon esculentum. After transplantation, at 10-d stage, seedlings were exposed to NaCl through soil and then allowed to grow till 30-d stage. At 31-d stage of growth, plants were sprayed with double distilled water (control) or spermidine (1.0 mM) and/or SA (10–5 M). The salt stress significantly reduced the growth, gas-exchange parameters, but increased antioxidant enzymes and proline content in the leaves. Moreover, the loss caused by salt stress was successfully restored by the following treatment of spermidine and SA.

Original languageEnglish
Pages (from-to)750-762
Number of pages13
JournalPhotosynthetica
Volume56
Issue number3
DOIs
Publication statusPublished - Sep 1 2018
Externally publishedYes

Keywords

  • abiotic stress
  • antioxidant
  • photosynthesis
  • proline

ASJC Scopus subject areas

  • Physiology
  • Plant Science

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