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Evaluating Plant Traits and Genetic Distance in Diverse Maize Crosses

This study analyzes key traits of maize hybrids, including plant height, days to flowering, seed weight, and genetic distances between parent lines. We report correlations for various cross combinations, such as Oh43xB73 and B73xMo17, emphasizing their impact on traits like biomass and BPH percentage. Results indicate significant relationships, including R-values and associated p-values, providing insights into hybrid performance. This information is crucial for breeders aiming to enhance productivity and disease resistance in maize.

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Evaluating Plant Traits and Genetic Distance in Diverse Maize Crosses

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  1. A) Plant height Days to flowering Weight of 50 seeds Oh43xB73 R = 0.214 p = 0.350 R = -0.216 p = 0.346 R = 0.243 p = 0.332 30% 25% B37xB73 6% B73xMo17 20% Oh43xMo17 20% B73xMo17 4% 15% Mo17xB73 Mo17xB73 Percent BPH 10% Mo17xB73 Oh43xB73 B37xB73 B73xMo17 B84xB73 10% 2% Oh43xMo17 B84xB73 Oh43xMo17 0% B84xB73 5% Oh43xB73 0% -10% 0% -2% 0.20 0.25 0.30 0.35 0.20 0.25 0.30 0.35 0.20 0.25 0.30 0.35 Nei genetic distance between parents Nei genetic distance between parents Nei genetic distance between parents B) Seedling height Seedling biomass Crosses between SS and NSS R = 0.324 p = 0.152 R = 0.532 p = 0.013 30% 100% Oh43xMo17 Crosses within SS or NSS 80% Oh43xB73 20% Oh43xMo17 60% B37xB73 B73xMo17 Percent BPH 10% Oh43xB73 40% Mo17xB73 B37xB73 B73xMo17 Mo17xB73 20% B84xB73 0% 0% B84xB73 -10% -20% 0.20 0.25 0.30 0.35 0.20 0.25 0.30 0.35 Nei genetic distance between parents Nei genetic distance between parents

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