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semi dwarfing gene

Catalogue: GRDC Final Reports
Prior to this study and contrary to the situation in wheat, the physiological basis of the relationship between plant height and grain yield was poorly understood in sorghum... Physiological determinants of plant growth such as biomass accumulation, partitioning between various plant organs, phenology, canopy dynamics, radiation and water use efficiencies and photosynthetic capacity were measured on an individual plant basis... As the present study was restricted to three genetic backgrounds and one major dwarfing gene, it is conceivable that assessments of other major dwarfing genes in different genetic backgrounds relevant to current breeding efforts may further improve an understanding of the relationship between plant height and grain yield and aid in the development of sorghum germplasm with increased yield potential...
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