The role of strigolactones and the fungal microbiome in rice during drought adaptation

Research output: Thesisinternal PhD, WU

Abstract

Rice is the most important food crop in the world, feeding over half the world’s population. However, rice water use efficiency, defined by units of yield produced per unit of water used, is the lowest of all crops. The aim of this thesis was to study the effect of plant hormones and the root microbiome on drought tolerance in rice. The new plant hormone, strigolactone, was shown to be upregulated under drought and to regulate drought tolerance in interaction with the drought-hormone abscisic acid. Using a large collection of rice genotypes grown in the field, we showed that the composition of the root associated fungal microbiome is determined by the rice genotype and can contribute to drought tolerance. 

Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Wageningen University
Supervisors/Advisors
  • Bouwmeester, H.J., Promotor
  • Ruyter-Spira, Carolien, Co-promotor
Award date20 Oct 2017
Place of PublicationWageningen
Publisher
Print ISBNs9789463437028
DOIs
Publication statusPublished - 2017

Keywords

  • drought resistance
  • drought
  • abiotic injuries
  • rice
  • oryza sativa
  • plant-microbe interactions
  • nutrient uptake
  • defence mechanisms
  • hormones
  • fungi
  • genes

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