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Updated: Jan 8, 2026

Multipronged Phenotyping Approaches to Characterize Sugarcane Root Systems
Published on: August 17, 2022
Strategic considerations for nutrient use efficiency in sugarcane: Physiological, molecular and genetic perspectives
Krishnapriya1, R Manimekalai1, R Gomathi1
1ICAR-Sugarcane Breeding Institute, Coimbatore, India.
None:
Sugarcane being a high biomass producing crop, massively depletes nutrients from the soil. Thus, optimum supply of mineral nutrients has the greatest impact on growth, development, and yield in sugarcane. Amongst the essential nutrients, the major nutrients nitrogen (N), phosphorus (P) and potassium (K) assume primary importance in cane growth and their availability determines the crop yield. Currently, physiological, molecular, and genetic basis of uptake and assimilation of these nutrients in sugarcane is limited compared to other field crops especially with regard to the root system traits that enhance nutrient uptake. Nonetheless, availability of the polyploid sugarcane genome sequence and genomic information has widened the scope for molecular characterisation of candidate genes involved in uptake, transport and assimilation of N, P, and K. This review summarises the physiological, molecular, and genetic basis of nutrient use efficiency in sugarcane and envisages strategies for production of more cane/crop per unit of nutrient applied.
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