Table 1.

Spikelet fertility (%) of the parental varieties and F ₂ populations

Year	Parent/Population	Plants	Mean	StD	Range	Skewness	Kurtosis
	IR64	9	22.3	11.1	5.7 - 34.6	−0.59	−1.12
	Milyang23	9	44.5	11.8	26.1 - 57.9	−0.31	−1.42
2012	Giza178	17	62.2	12.7	40.6 - 78.8	−0.19	−1.39
	IR64/Giza178 F2	86	29.6	24	0.0 - 82.1	0.42	−1.19
	Milyang23/Giza178 F2	96	38.6	25.7	0.2 - 88.7	0.17	−1.18
	IR64	15	21.4	11.5	8.0 - 38.5	0.54	−1.34
2013	Milyang23	15	49.4	8.3	36.2 - 59.6	−0.53	−1.39
	G178	15	63.6	6.9	50.8 - 72.6	−0.35	−0.85
	IR64//MY23/G178 F2	166	59.2	20.9	0.0 - 90.6	−0.74	−0.26