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| Agronomic and Grain Yield Components Traits under Drought Condition Of Some Maize (Zea Mays) Hybrids
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Solomon Z. S., Jonathan J. S., Jimoh A.
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Abstract:
Fifteen Maize genotypes were evaluated at two locations (Jebba and Rabba fields) using Randomized Complete Block Design (RCBD) with three replications during 2022/2023 cropping season. The objective was to study the relationship and contributions of some agronomic traits to grain yield generation in drought stress condition. Data collected on quantitative characters subjected to analyses of variance showed significant difference among genotypes at the two locations combined under water stress and non stress conditions. Significant differences were found amongst the genotype for all trait studied under the two conditions but only plant height under non drought stress condition. However, ears heights, weight of 100 kernel, number of kernel row per cob, number of kernel per row, cob length, cob diameter and kernels per cob were found to have positive and significant relationship with grain yield. Plant height, weight of 100 grains, Numbers of kernel per row and Number of kernel per cob recorded higher values under both condition, hence were found to have contributed more to yield in genotypes with maximum grain yield.Two genotypes DT SYN2-W x (W.DT STR Syn/TZL COMP1-W) F2 and DT SYN2-W x DT SYN 13-W F1 were superior in terms of grain yield production.
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