Plant Breeding and Biotechnology

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2287-9366   pISSN 2287-9358

Table. 6.

Table. 6.

Results of AMMI analysis for yield traits and disease scores obtained from 48 regional maize hybrids and local culrtivars evaluated across greenbelt and ironstone plateau zones over three years (2013-2015) in South Sudan.

Source of variation DF Sum of squares Mean squares Contribution to total variation (%) G × E explained (%)
Replication (R) 1 18.6 18.6 0.2
Genotype (G) 47 625.1 13.3** 6.8
Location (E) 4 142.8 35.7** 0.4
G × E interactions 188 488.8 2.6**
IPCA1 50 55.0 1.1 11.3
IPCA2 48 38.4 0.8 9.7
Residual 90 36.0 0.4 5.4
Pooled error 239 2676.8 11.2
Total 906

**Significantly different at 0.05 and 0.01 probability levels.

Df = Degree of freedom; IPCA1 = First Interaction Principal Componenet Axix; and IPCA2 = Second Interaction Proncipal Component Axis.

Plant Breed. Biotech. 2021;9:124-38 https://doi.org/10.9787/PBB.2021.9.2.124
© 2021 Plant Breed. Biotech.