Table 1. NIRIL phenotyped traits, descriptions, approximate distribution, between-year Pearson correlation coefficients, and Pearson P-values.

Trait	Description	Distribution	Pearson coefficient	Pearson P-value
CULM	Diameter of culm	Normal	0.688	<0.0001
DTP	Days to pollen shed	Normal	0.668	<0.0001
EARD	Ear diameter	Bimodal	0.907	<0.0001
EARL	Ear length	Normal	0.409	<0.0001
KPR	Kernels per rank	Bimodal	0.698	<0.0001
KRN	Kernel row no.	Bimodal	0.718	<0.0001
LBLH	Primary lateral branch length	Normal	0.519	<0.0001
PLHT	Plant height	Normal	0.652	<0.0001
PROL	Prolificacy, ears on lateral branch	Exponential	0.422	<0.0001
SPLH	Spikelet length	Normal	NA	NA
STAM	% staminate spikelets	Exponential	0.321	<0.0001
TBN	Tassel branch no.	Normal	0.691	<0.0001
TILL	Tillering index	Exponential	0.346	<0.0001

NA, not applicable.