In agriculture, "heterosis" describes the phenomenon where hybrid offspring from two distinct strains surpass their parents in strength, growth, fertility, and survivability. This biological enhancement of hybrids is crucial for improving crop yields and livestock productivity. The term was introduced to define these beneficial effects observed in hybrid organisms.
The term "heterosis" was coined by George Harrison Shull in 1914. Shull's foundational research established the basis for contemporary hybrid breeding, profoundly influencing agricultural science and production globally.
This significant discovery has driven the development and implementation of hybrid vigor across numerous crops and animal species, underscoring the importance of genetic diversity and hybridization in agriculture.
Consequently, the accurate identification is: Shull, 1914