Heterosis
Heterosis is the phenomenon where the progeny of two genetically diverse parents exhibit superior traits in growth, yield, and stress resistance compared to the parents.
Также говорят: hybrid vigor, outbreeding enhancement
In commercial agriculture, heterosis is leveraged to produce F1 hybrids that offer superior performance and uniformity. Farmers use these hybrids to maximize yield potential and ensure robust crop development throughout the growing season.
A critical management practice is the consistent procurement of fresh hybrid seed for each cycle. A common mistake is attempting to save and replant seeds from an F1 harvest, which leads to a significant decline in vigor and yield, as the unique genetic advantage is lost in subsequent generations.