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Seed Priming and Seedling Pre-treatment Induced Tolerance to Drought and Salt Stress: Recent Advances

  • Smita Sahoo
  • Pankaj Borgohain
  • Bedabrata Saha
  • Debojyoti Moulick
  • Bhaben Tanti
  • Sanjib Kumar Panda
Chapter

Abstract

Plants are sessile entities and hence have to face the environmental havocs without any chance of avoiding it. Abiotic stress like drought and salinity encumbers plant growth and developmental activities rendering drastic drop in crop yields. Though plants have evolved stress response mechanisms, many a times it doesn’t suffice, and the plant succumbs to stress intensity and duration. But sometimes priming and pretreatment with exogenous agents (selenium, silicon, zinc, copper, etc.) enhance the inherent tolerance capability of plants to some extent. These priming and pretreatment technologies (using sodium nitroprusside, hydrogen peroxide, etc.) are cost-effective and user-friendly for stress alleviation in various plants. This chapter centre rounds these ameliorating agents and the mechanisms involved in enhancing the tolerance capability. Various reports suggested different techniques and treatments in combinations while using variety of agents. This chapter aims to compare and summarise the technologies used. Though we mainly represent the mitigations reported in the past decade or so, this chapter is divided into two sections, with a glimpse of various inorganic and organic amendments used to alleviate salinity and drought stresses in wide range of plants.

Keywords

Abiotic stress Cross tolerance Osmotic stress Oxidative stress Hydropriming 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Smita Sahoo
    • 1
  • Pankaj Borgohain
    • 1
  • Bedabrata Saha
    • 1
  • Debojyoti Moulick
    • 1
  • Bhaben Tanti
    • 2
  • Sanjib Kumar Panda
    • 1
  1. 1.Plant Molecular Biotechnology Laboratory, Department of Life Science and BioinformaticsAssam UniversitySilcharIndia
  2. 2.Department of BotanyGauhati UniversityGuwahatiIndia

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