Seed priming with phytohormones: An effective approach for the mitigation of abiotic stress

Mohammad Saidur Rhaman, Shahin Imran, Farjana Rauf, Mousumi Khatun, Carol C. Baskin, Yoshiyuki Murata, Mirza Hasanuzzaman

Research output: Contribution to journalReview articlepeer-review

Abstract

Plants are often exposed to abiotic stresses such as drought, salinity, heat, cold, and heavy metals that induce complex responses, which result in reduced growth as well as crop yield. Phytohormones are well known for their regulatory role in plant growth and development, and they serve as important chemical messengers, allowing plants to function during exposure to various stresses. Seed priming is a physiological technique involving seed hydration and drying to improve metabolic processes prior to germination, thereby increasing the percentage and rate of germination and improving seedling growth and crop yield under normal and various biotic and abiotic stresses. Seed priming allows plants to obtain an enhanced capacity for rapidly and effec-tively combating different stresses. Thus, seed priming with phytohormones has emerged as an important tool for mitigating the effects of abiotic stress. Therefore, this review discusses the potential role of priming with phytohormones to mitigate the harmful effects of abiotic stresses, possible mechanisms for how mitigation is accomplished, and roles of priming on the enhancement of crop production.

Original languageEnglish
Article number37
Pages (from-to)1-17
Number of pages17
JournalPlants
Volume10
Issue number1
DOIs
Publication statusPublished - Jan 2021

Keywords

  • Abiotic stress
  • Abscisic acid
  • Auxin
  • Phytohormones
  • Salicylic acid
  • Stress signaling

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science

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