GWAS	Genome-wide association studies
SNP	Single nucleotide polymorphism
PPR	Pentatricopeptide repeat-containing
MGDG	Monogalactosyldiacylglycerol
OR	Orange
PPD	PsbP domain-containing
CSP41b	Chloroplast stem-loop binding protein of 41 kDa b
QTL	Quantitative trait locus
G×E	Genotype × environment
LL	Leaf length
LW	Leaf width
LR	Leaf length-to-width ratio
LA	Leaf area
Cha	Chlorophyll a content
Chb	Chlorophyll b content
ChR	The ratio of chlorophyll a to chlorophyll b
Chab	Total chlorophyll content
SPV	SPAD value
λ	Genomic inflation factor
ANOVA	Analysis of Variance
hB2	Broad-sense heritability
LMM	Linear mixed model
Q-Q	Quantile–quantile
LSD	Least significant difference
MAF	Minor allele frequency
PCA	Principal component analysis
PVE	Phenotypic variance explained
LD	Linkage disequilibrium
R4	The forth ratoon
R3	The third ratoon