Using UAV-Based Temporal Spectral Indices to Dissect Changes in the Stay-Green Trait in Wheat
Rui Yu,
Xiaofeng Cao,
Jia Liu
et al.
Abstract:Stay-green (SG) in wheat is a beneficial trait that increases yield and stress tolerance. However, conventional phenotyping techniques limited the understanding of its genetic basis. Spectral indices (SIs) as non-destructive tools to evaluate crop temporal senescence provide an alternative strategy. Here, we applied SIs to monitor the senescence dynamics of 565 diverse wheat accessions from anthesis to maturation stages over 2 field seasons. Four SIs (normalized difference vegetation index, green normalized di… Show more
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