Plant Breeding and Biotechnology : eISSN 2287-9366 / pISSN 2287-9358

Table. 2.

Table. 2.

Comparative response of maize inbreeding depression to optimal field condition (Ikenne and Ife).

Population Era S0 S1 I A D A/d
TZSR-W-1 1 1.34 1.22 8.96 0.55 0.12 4.58
DMR-LSR-W 1 1.57 1.28 18.47 0.50 0.29 1.71
DMR-LSR-Y 1 1.20 1.19 0.83 0.59 0.01 59.00
TZSR-Y-1 1 1.38 1.49 ‒7.97 0.80 ‒0.11 ‒7.27
ACR99TZLCOMP4-DMRSR 1 2.00 1.37 31.50 0.37 0.63 0.59
BR9922DMRSR 2 2.07 1.28 38.16 0.25 0.79 0.31
BR9928DMRSR 2 1.27 0.92 27.56 0.29 0.35 0.81
BR9943DMRSR 2 1.55 1.27 18.06 0.50 0.28 1.77
AMATZBR-WC2B 2 1.91 1.21 36.65 0.26 0.70 0.36
TZBRELD.4C0W 2 1.87 1.36 27.00 0.43 0.51 0.83
Mean 1.62 1.26 22.09 0.45 0.36 1.26

Values of S0 represent the genotype per se, S1 inbreeding effect (I). Where A represents the potential contribution of homozygotes and d is deviation due to the heterozygotes.

Plant Breed. Biotech. 2023;11:235-41 https://doi.org/10.9787/PBB.2023.11.4.235
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