July 31, 2025

Phenotypic Evaluation of Gene-Pyramided Cowpea Lines for Striga Resistance Across Nigerian Ecologies

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Authors

IGIrène Gabriel LOLucky O. Omoigui

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Implication

Phenotypic evaluation reveals significant genetic variation in cowpea lines for striga resistance, indicating potential for effective breeding populations.

Key Points

Cowpea lines were evaluated for resistance to striga, revealing strong genetic variation with p < 0.0001.
High broad-sense heritability for yield components and striga resistance points to their genetic control.
Cluster analyses identified resistant lines that maintain high pod and seed weights without yield penalties.
A two-gene dominance model was established for striga resistance, providing a framework for targeted breeding.

Cite This Study

Gabriel et al. (2025) studied this question.

synapsesocial.com/papers/689a0c5fe6551bb0af8cf52a https://doi.org/10.21203/rs.3.rs-7179368/v1

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Implication

Phenotypic evaluation reveals significant genetic variation in cowpea lines for striga resistance, indicating potential for effective breeding populations.