Abstract
THE MAIN objectives of the present study was to estimate the combining ability for some new white maize inbred lines under different environmental conditions and evaluation the 21 F1 crosses come from this study under two plant densities (D1 and D2) at two locations (L1 and L2). Obtained results could be summarized as follows: The non-additive genetic effects was more important than additive genetic effects in the inheritance of this traits; grain yield at L1D1, L1D2, L2D2 and combined data, days to 50% silking at all environments and combined data, ear height at L1D2 and 100-kernel weight at L1D1. The additive gene effects were most responsible for controlling the inheritance of this traits; for grain yield at L2D1, plant height under all environments and combined data, ear height at L1D1, L2D1, L2D2 and combined data and 100-kernel weight at L1D2, L2D1, L2D2 and combined data. The inbred lines; P1 at L2D1, P4 at L1D2 and P7 at L1D2 had positive and significant GCA effects for grain yield. The single crosses; (P1xP 4), (P2 x P6), (P2 x P7), (P4 x P7) and (P5 x P7) were the best crosses for superiority relative to SC10 for grain yield.
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Claims 11
Claim · model-written summary
Nonadditive effects predominated for grain yield at L1D1, L1D2 and L2D2 and across combined data.
Verbatim
e0“The non-additive genetic effects was more important than additive genetic effects in the inheritance of this traits; grain yield at L1D1, L1D2, L2D2 and combined data”
t0“White Maize”
Claim · model-written summary
Nonadditive effects predominated for days to 50% silking in all environments.
Verbatim
e0“The non-additive genetic effects was more important than additive genetic effects in the inheritance of this traits; grain yield at L1D1, L1D2, L2D2 and combined data, days to 50% silking at all environments and combined data”
t0“White Maize”
Claim · model-written summary
Nonadditive effects predominated for ear height at L1D2 and 100-kernel weight at L1D1.
Verbatim
e0“The non-additive genetic effects was more important than additive genetic effects in the inheritance of this traits; grain yield at L1D1, L1D2, L2D2 and combined data, days to 50% silking at all environments and combined data, ear height at L1D2 and 100-kernel weight at L1D1”
t0“White Maize”
Claim · model-written summary
Additive effects predominated for grain yield at L2D1 and plant height in all environments.
Verbatim
e0“The additive gene effects were most responsible for controlling the inheritance of this traits; for grain yield at L2D1, plant height under all environments and combined data”
t0“White Maize”
Claim · model-written summary
Additive effects predominated for ear height at L1D1, L2D1 and L2D2.
Verbatim
e0“The additive gene effects were most responsible for controlling the inheritance of this traits; for grain yield at L2D1, plant height under all environments and combined data, ear height at L1D1, L2D1, L2D2 and combined data”
t0“White Maize”
Claim · model-written summary
Additive effects predominated for 100-kernel weight at L1D2, L2D1 and L2D2.
Verbatim
e0“The additive gene effects were most responsible for controlling the inheritance of this traits; for grain yield at L2D1, plant height under all environments and combined data, ear height at L1D1, L2D1, L2D2 and combined data and 100-kernel weight at L1D2, L2D1, L2D2 and combined data”
t0“White Maize”
Claim · model-written summary
P1 at L2D1 had positive significant grain-yield GCA.
Verbatim
e0“P1 at L2D1, P4 at L1D2 and P7 at L1D2 had positive and significant GCA effects for grain yield”
t0“White Maize”
Claim · model-written summary
P4 at L1D2 had positive significant grain-yield GCA.
Verbatim
e0“P1 at L2D1, P4 at L1D2 and P7 at L1D2 had positive and significant GCA effects for grain yield”
t0“White Maize”
Claim · model-written summary
P7 at L1D2 had positive significant grain-yield GCA.
Verbatim
e0“P1 at L2D1, P4 at L1D2 and P7 at L1D2 had positive and significant GCA effects for grain yield”
t0“White Maize”
Claim · model-written summary
P1xP 4, P2 x P6 and P2 x P7 were among the best grain-yield crosses relative to SC10.
Verbatim
e0“(P1xP 4), (P2 x P6), (P2 x P7), (P4 x P7) and (P5 x P7) were the best crosses for superiority relative to SC10 for grain yield”
t0“White Maize”
Claim · model-written summary
P4 x P7 and P5 x P7 were among the best grain-yield crosses relative to SC10.
Verbatim
e0“(P1xP 4), (P2 x P6), (P2 x P7), (P4 x P7) and (P5 x P7) were the best crosses for superiority relative to SC10 for grain yield”
t0“White Maize”