Table 1.

Structural and grain related traits of a rice panicle

Panicle structure traits		Spikelet (Grain) traits
Trait	Short name	Trait	Short name
Primary Axis - length	PA_length	Spikelets - number	Sp_nb
Primary Axis - diameter	PA_diameter	Spikelets - length	Sp_length
Secondary Axis - position	SA_po	Spikelets - width	Sp_width
Secondary Axes - number	SA_nb	Spikelets - area	Sp_area
Secondary Axis - length	SA_length	Spikelets - perimeter	Sp_perimeter
Number of Nodes	Node_nb	Spikelets - circularity	Sp_circularity
Secondary Axes Intervals Length	SA_int	Spikelets - compactness	Sp_compactness
Tertiary Axes - number	TA_nb	Spikelets - ellipticity	Sp_ellipticity
Tertiary Axes - length	TA_length	Aspect - ratio	Sp_AR
Tertiary Axis - position	TA_po
Tertiary Axes Intervals Length	TA_int
Quaternary Axes - number	QA_nb
Quaternary Axes - length	QA_length
Quaternary Axes - position	QA_po
Quaternary Axes Intervals Length	QA_int

Two different types of traits regarding to the panicle components. These are structural and grain related traits.