Dissecting foliar physiology and chemical properties with integrated highthroughput phenotyping and molecular markers in grape improvement
Keywords:Grapes, foliar, chemical composition, breeding, high-throughput phenotyping, hyperspectral, QTL
An advanced phenotyping protocol using a hyperspectral spectrometer to better understand foliar chemical composition and physiological processes in relation to grapevine yield, quality, biotic and abiotic resistance was initiated with in-house and public spectral resources. The initial result for foliar pigments calibration was promising for classification and measurements to support breeding. We demonstrated the potential of adapting public spectral resources in supporting modern phenotyping in programs with limited resources and when combined with our current effort in deploying marker-assisted selection, the dual innovations provide new information to fast-tracking grapevine research and trait improvement.
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