Multi-traits and stability-based selection of high-yielding mungbean (Vigna radiata L.) genotypes in Benin.
Sodedji KAF, Ahomondji ES, Kafoutchoni KM, Ayi S, Agoyi EE
Crop Improvement
Mungbean goes from seed to harvest in under 60 days and fixes nitrogen back into garden beds, so identifying varieties that stay productive across wildly different soils is a direct win for any gardener wanting a fast, self-fertilizing protein crop that doesn't exhaust the ground.
Scientists put nearly 300 different mungbean varieties through their paces in three distinct farming zones in Benin to see which ones consistently produced the most seeds. They discovered that a plant's environment shapes its yield almost as much as its genetics — meaning a top variety in one location could underperform somewhere else. Using several number-crunching approaches together, they identified standout varieties that hold up well no matter where they're planted, giving breeders and farmers a shortlist of truly reliable options.
Key Findings
288 mungbean genotypes evaluated across three agro-ecological zones in Benin showed significant genetic variability and genotype × environment interactions for all 13 traits measured.
Grain yield exhibited low broad-sense heritability, indicating that environmental conditions — not just genetics — are a dominant driver of how much a variety produces.
Three statistical methods (AMMI, WAASB, and MGIDI) were combined to identify the most stable, high-yielding genotypes, offering a multi-trait selection shortlist for breeding programs.
chevron_right Technical Summary
Researchers tested 288 mungbean varieties across three farming regions in Benin to find which ones produce the most grain reliably, even as growing conditions vary — pinpointing top performers that could anchor food-secure, protein-rich cropping systems in West Africa.
Abstract Preview
Mungbean [Vigna radiata (L.) R. Wilczek var. radiata] is an important warm season grain legume for sustainable food systems diversification in Africa owing to its nutrient-dense seeds, short life c...
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The mung bean or green gram is a plant species in the legume family. It is mainly cultivated in East, Southeast, and in South Asia and used as an ingredient in both savoury and sweet dishes.