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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.
|Qualification||Doctor of Philosophy|
|Award date||20 Oct 2017|
|Place of Publication||Wageningen|
|Publication status||Published - 2017|
- drought resistance
- abiotic injuries
- oryza sativa
- plant-microbe interactions
- nutrient uptake
- defence mechanisms
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