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Development of submergence-tolerant rice cultivars: the Sub1 locus and beyond

Annals of Botany · 2008 · Vol. 103(2) · pp. 151–160

Endang M. Septiningsih✉(International Rice Research Institute)Alvaro M. Pamplona(International Rice Research Institute)Darlene L. Sanchez(International Rice Research Institute)C. N. Neeraja(International Rice Research Institute)Georgina V. Vergara(International Rice Research Institute)Sigrid Heuer(International Rice Research Institute)Abdelbagi M. Ismail(International Rice Research Institute)D. J. Mackill(International Rice Research Institute)

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Abstract

Sub1 provided a substantial enhancement in the level of tolerance of all the sensitive mega varieties. Sub1A is confirmed as the primary contributor to tolerance, while Sub1C alleles do not seem important. Lack of dominance of Sub1 suggests that the Sub1A-1 allele should be carried by both parents for developing tolerant rice hybrids.

Plant responses to water stress Rice Cultivation and Yield Improvement Plant Stress Responses and ToleranceBiologyIntrogressionCultivarHybridLocus (genetics)AgronomyAlleleBiotechnologyHorticultureGene

MeSH terms

Adaptation, PhysiologicalAllelesGenetic MarkersHeterozygotePhilippinesRecombination, GeneticOryzaGenes, PlantGene Expression Regulation, PlantReverse Transcriptase Polymerase Chain ReactionFloods

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Half decade of abiotic and biotic stress tolerance research in resource limited tribal belt of central India