TABLE 5.

Analyses of variance of general and specific combining abilities of double-heterozygote genotypes at two concentrations of benzaldehyde

Analysis	Source	d.f.	SS	F	P
0.1% (v/v) and 0.3% (v/v) (pooled)	E	1	66.083	255.46	<0.0001
	GCA	9	61.424	26.38	<0.0001
	SCA	35	12.944	1.43	0.0501
	GCA × E	9	7.599	3.26	0.0006
	SCA × E	35	16.362	1.81	0.0027
	Error	1710	442.352
0.1% (v/v)	GCA	9	48.027	19.05	<0.0001
	SCA	35	16.570	1.69	0.0080
	Error	855	239.499
0.3% (v/v)	GCA	9	20.996	9.83	<0.0001
	SCA	35	12.737	1.53	0.0258
	Error	855	202.853

SS, sum of squares; E, environment.