FTN	maximum tiller number per plant in the first season
FPN	panicle number per plant in the first season
FGY	grain yield per plant in the first season
RTN	maximum tiller number per plant in the ratoon season
RPN	panicle number per plant in the ratoon season
RGY	grain yield per plant in the ratoon season
TNR	maximum tiller number ratio of RTN to FTN
PNR	panicle number ratio of RPN to FPN
GYR	grain yield ratio of RGY to FGY
IL	introgression line
QTL	quantitative trait locus
M-QTL	Main-effect quantitative trait locus
MH63	Minghui 63
SSR	simple sequence repeat