Individual selection
A breeding method where the best plants are selected from a population based on progeny testing to develop pure lines.
Также говорят: pure line selection, pedigree selection
Individual selection is a foundational technique in plant breeding, particularly for self-pollinating crops. By evaluating the progeny of specific parent plants, breeders can isolate and fix superior genotypes, ensuring that desired traits like yield potential, disease resistance, and grain quality are reliably passed to the next generation.
The process involves isolating elite plants, growing their progeny in separate plots, and comparing their performance against established standards. This systematic approach is essential when high uniformity and genetic purity are required for commercial seed production.
Common mistakes include selecting based solely on physical appearance without progeny verification, leading to the multiplication of heterozygous traits. Additionally, failing to manage population diversity during the early stages can lead to inbreeding depression and loss of vigor.