Table 4.

Mean squares acquired from partitioned analysis of variance of eight plant traits for six basic generations tested under contrasting environmental conditions.

Traits		Generations	P1 vs. P2	P's vs. F1	BC1 vs. BC2	BC's vs. F2	P's,F1 vs. BC's,F2	Error
	DF	5	1	1	1	1	1	10
LT (°C)	NS	29.87**	129.0**	4.723**	3.103**	0.168N.S.	12.35**	0.136
	HS	12.10**	51.74**	0.062N.S.	6.232**	0.005N.S.	2.435**	0.044
CMT (%)	NS	1600.6**	5690.0**	973.7**	1062.9**	175.5**	100.6**	2.630
	HS	943.5**	3887.7**	624.3**	166.8**	12.19**	26.55**	0.500
TR (μ g cm−2 S−1)	NS	3.208**	12.96**	0.002N.S.	3.039**	0.008N.S.	0.026N.S.	0.009
	HS	3.930**	9.969**	4.043**	1.021**	1.292**	3.325**	0.019
LF (%)	NS	65.03**	182.2**	84.04**	49.27**	5.572**	4.027**	0.095
	HS	992.1**	3110.0**	1324.2**	166.9**	274.3**	85.55**	2.130
EL (cm)	NS	15.97**	10.11**	64.34**	2.400**	2.077**	0.896**	0.033
	HS	11.54**	9.077**	46.34**	1.050**	0.825**	0.397N.S.	0.087
KPE	NS	26784.7**	76297.9**	33385.3**	18967.5**	5090.1**	182.9**	16.50
	HS	31413.9**	85085.0**	43032.0**	20120.3**	8649.2**	183.0**	12.8
HGW (g)	NS	9.129**	32.34**	1.850**	4.965**	0.023N.S.	6.468**	0.092
	HS	11.84**	43.74**	1.534**	11.64**	0.184N.S.	2.084**	0.143
GYPP (g)	NS	2192.9**	5298.8**	4162.3**	723.7**	35.99**	743.7**	1.990
	HS	2643.5**	6642.9**	4740.1**	595.8**	59.67**	1179.0**	0.770

NS, Non-stressed; HS, Heat-stressed; DF, Degrees of freedom; NS, Non-significant; *,

^**significant at P ≤ 0.05, 0.01, respectively.

LT, Leaf temperature (°C); CMT, Cell membrane thermo-stability (%); TR, Transpiration rate (μg cm⁻² S⁻¹); LF, Leaf firing (%); EL, Ear length (cm); KPE, Kernels per ear; HGW, 100-grain weight (g); GYPP, Grain yield per plant (g).