Research Article

QTL Mapping of Traits Associated with Dual Resistance to the African Stem Borer (Busseola fusca) and Spotted Stem Borer (Chilo partellus) in Sorghum (Sorghum bicolor)

Table 1

Combined analyses of variance across environments.

SourceDFDHLDEHSTVGBW

Rep160.31176.8397.45432.692.420.4
Borer spp.1109506.8417327701.76304.25.628.4
Genotype265547.1 ns527.4 ns137.99041.23.2
Environment3153767.782463.84338.243160.98.1977.9
265506.9 ns511.3 ns60.1341.20.9 ns2 ns
795323.9 ns330.5 ns27 ns187.4 ns0.6 ns1.5 ns
Residual9302471.2585.828.9217.20.92.1

and indicate that data are significant at the ≤0.05 and ≤0.01 probability levels, respectively; ns=nonsignificant; DF=degrees of freedom; DH=deadheart (%); LD=leaf feeding damage (%); EH=exit holes; ST=stem tunneling; VG=seedling vigour; BW=bloom waxiness; Borer_spp · genotype=borer spp. by genotype interaction; Genotype · environment=genotype by environment interaction.