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ABSTRACT
This study was conducted to evaluate maize Accessions from South- South Nigeria for tolerance to waterlogging .The experiment was carried out in a screen house at the Faculty of Agriculture, UNIBEN. The experiment was arranged using completely randomized design(CRD)involving three different treatments which were waterlogging at the three leaf stage(3LS), five leaf stage (5LS) and no waterlogging (NWL). The seed genotypes used were obtained from different parts of South- South Nigeria namely Auchi,Agbede, Ighara, Uselu, Enwan and Aduwawa and were untreated before planting. Fertilizer was applied and mulched with neem plant leaves. The first treatment (waterlogging) was applied at the three leaf stage (3LS) followed by the second treatment (waterlogging) at the five leaf stage (5LS) and the last treatment was left without waterlogging. Data was collected on plant height, leaf length, leaf breadth, number of leaves and number of adventitious roots at 6 weeks. The 3 leaf stage was terminated and the survived plants were kept for further study and use while the five leaf stage (5LS ) is still ongoing. Preliminary results showed that the Accessions survived more at the three leaf stage (3LS) than the five leaf stage (5LS). Waterlogging had high significant effect on plant height, leaf area and number of leaves, while it had no effect on number of dead plants and survival at 6 weeks. There were no significant differences in the interaction between the Accessions(A) and the Waterlogging treatment (W) across all growth parameters. Based on these findings, different set of ascensions should be used in order to test for significant difference. Moreso, field trials and programs for tolerance to waterlogging with mature maize plants is encouraged and recommended. This research will contribute to the development of maize varieties with significant tolerance to waterlogging and promote strong, resilient and sustainable maize farming systems in South-south Nigeria.
