Characterising nitrogen-use efficiency in sugarcane
More efficient nitrogen (N) use in cropping systems can be achieved through improved N management combined with genetic improvement. Sugarcane breeding in Australia focuses on improving sugar yield in different environments, but less attention has been given to improving efficiency of inputs like nitrogen and water.
Improving nitrogen use efficiency (NUE) through genetic manipulation is challenging due to its complexity. While some gains have been made, there is limited understanding of the mechanisms underpinning NUE and related traits.
More intensive study of elite N-efficient genotypes is needed for determining traits potentially useful for clone selection in breeding programs.
This project will build on previous research evaluating the genetic variation in N response in the field and characterising traits that contribute to NUE.
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