Genotype-by-environment interactions and seed yield stability of narrow-leaf lupin sweet varieties (Lupinus angustifolius L.) based on AMMI and GGE biplot analyses.
Mullualem D, Mengie T, Fentie D, Tsega A, Bitewlgn W
Crop Improvement
Sweet lupin grown in your vegetable patch or food forest doesn't just feed you — its roots actively pull nitrogen from the air and lock it into the soil, cutting your need for added fertilizer while improving the ground for everything planted after it.
Scientists tested different types of sweet lupin — a protein-packed legume — in several locations over two years to see which ones grew best no matter where they were planted. Two varieties, Probor and Vitabor, came out on top: they produced the most seeds and held steady even when weather and growing conditions varied. This is great news for farmers who need reliable crops they can count on from season to season.
Key Findings
G3 (Probor) and G2 (Vitabor) were identified as the highest-yielding and most stable varieties across three environments and two growing seasons.
Genotype-by-environment interaction had a statistically significant impact on seed yield, meaning variety choice matters greatly depending on local conditions.
Five varieties were evaluated using multiple stability metrics (AMMI, GGE biplot, cultivar superiority index), providing a robust framework for recommending varieties suited to Ethiopian agro-ecological zones.
chevron_right Technical Summary
Researchers in Ethiopia tested five varieties of sweet lupin across multiple locations and growing seasons, finding that two varieties (Probor and Vitabor) consistently produced the highest seed yields while remaining stable across different environmental conditions.
Abstract Preview
Narrow-Leaf lupin sweet varieties (Lupinus angustifolius L.) is a leguminous crop valued for its protein-rich seeds, which are used as both human food and livestock feed. Beyond its nutritional val...
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Lupinus angustifolius is a species of lupin known by many common names, including narrowleaf lupin, narrow-leaved lupin and blue lupin. It is native to Eurasia and northern Africa and naturalized in parts of Australia and North America. It has been cultivated for over 6000 years as a food crop fo...