Plant Breeding and Biotechnology

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Table. 5.

Table. 5.

Phenotypic correlation among some 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.

Silking date (SD) Anthesis-silking interval (ASI) Plant height (PH) Ear aspect (EA) Field weight (FW) Moisture content (MOIS) Turcicum leaf bight (TLB) Maize streak virus (MSV) Gray leaf spot (GLS) Stem borer (STB) Grain yield (t/ha) (GY)
Silking date (SD) 1
Anthesis-silk interval (ASI) 0.81** 1
Plant height (PH) 0.63** 0.74** 1
Ear aspect (EA) 0.58* 0.86** 0.73** 1
Field weight (FW) 0.69** 0.70** 0.78** 0.77** 1
Moisture content (MOIS) 0.73** 0.45* 0.84** 0.91** 0.83** 1
Turcicum leaf bight (TLB) ‒0.52* ‒0.41 ‒0.63** ‒0.68** ‒0.57** ‒0.76** 1
Maize streak virus (MSV) ‒0.91** ‒0.68* ‒0.87** ‒0.65** ‒0.85** ‒0.72** 0.83** 1
Gray leaf spot (GLS) ‒0.58* ‒0.84** ‒0.69** ‒0.86** ‒0.68** ‒0.95** 0.74** 0.66** 1
Stem borer (STB) ‒0.32 ‒0.41 ‒0.53* ‒0.82** ‒0.78** ‒0.87** 0.85** 0.71** 0.82** 1
Grain yield (t/ha) (GY) 0.88** 0.79** 0.75** 0.71** 0.81** 0.66** ‒0.79** ‒0.88** ‒0.78** ‒0.85** 1
Plant Breed. Biotech. 2021;9:124-38 https://doi.org/10.9787/PBB.2021.9.2.124
© 2021 Plant Breed. Biotech.