Cassava post-harvest physiological deterioration: From triggers to symptoms

Ima M. Zainuddin, Ahmad Fathoni, Enny Sudarmonowati, John R. Beeching, Wilhelm Gruissem, Hervé Vanderschuren

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

The production of cassava, the most important staple root crop in the world, is constrained by the short shelf life of the cassava storage roots that are undergoing post-harvest physiological deterioration (PPD) shortly after harvest. PPD reduces starch quality and renders the roots unpalatable and unmarketable. PPD is a complex process involving enzymatic stress responses to wounding, changes in gene expression and protein synthesis as well as accumulation of secondary metabolites. PPD can be strongly influenced by environmental factors making the identification of genotypes with delayed PPD trait difficult. In the present review, we propose an integrative presentation of PPD phenomenon based on a comprehensive analysis of several key PPD studies. We discuss recent progress in the standardization of methods to assess and score PPD tolerance in cassava roots. Traditional and improved storage techniques to extend cassava shelf-life are presented and prospects of transgenic approaches to delay PPD are discussed.

Original languageEnglish
JournalPostharvest Biology and Technology
DOIs
Publication statusAcceptance date - 2017

Keywords

  • Cassava
  • Metabolites
  • Oxidative stress
  • Post-harvest physiological deterioration (PPD)
  • PPD symptoms

ASJC Scopus subject areas

  • Food Science
  • Agronomy and Crop Science
  • Horticulture

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