The stage S2 X G2 (panicle
initiation stage) with 90 ml ha-1 of plant growth regulator
level gave maximum number of 182 and 187 spikelets
panicle-1 during subsequent years of study, while the
lowest number of spikelets panicle-1 were recorded in
plots with high dose (120 ml ha-1) of plant growth
regulator at S3 (grain formation stage) and in control
plots.