Two maize hybrids deliver steady yields across Bangladesh's varied farms
Crop Improvement
If you've ever watched the same crop thrive in one garden bed and flop in another, this study shows breeders can actually pinpoint varieties that shrug off that inconsistency and perform well almost anywhere.
Scientists grew 20 different maize varieties in three very different parts of Bangladesh to see which ones held up best no matter the local soil, weather, or growing conditions. Two crosses, nicknamed E12 and E15, stood out for producing strong, dependable yields everywhere they were planted, while the growing sites in Gazipur and Ishwardi turned out to be tougher environments than Dinajpur. This kind of testing helps farmers pick seeds that won't let them down just because their particular patch of land is less than ideal.
Key Findings
20 maize genotypes (18 experimental hybrids plus 2 check varieties) were evaluated across three agro-ecological zones in Bangladesh using the AMMI model.
Dinajpur proved to be a favorable growing environment while Gazipur and Ishwardi were poor performers for the tested hybrids.
Hybrids E12 (BIL28 × BIL96) and E15 (BIL95 × BIL79) combined high yield with strong stability across all three locations.
chevron_right Technical Summary
Bangladeshi researchers tested 20 maize hybrids across three different growing regions and found two standout crosses that consistently produced high yields no matter where they were planted, giving farmers a reliable option for unpredictable growing conditions.
Abstract Preview
Original paper
Genotype-environment interaction of maize hybrids through ammi model at different location in Bangladesh
Eighteen promising single crosses of maize and two check varieties (BHM-9 and 981) were assessed for genotype environment interaction (GEI) and stability for the selection of promising one(s) in th...
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Maize, also known as corn in North American English, is a tall stout grass that produces cereal grain. The leafy stalk of the plant gives rise to male inflorescences or tassels which produce pollen, and female inflorescences called ears. The ears yield grain, known as kernels or seeds. In modern ...