Soybean Variety 01072279 Segmentation Reduces Breeding Complexity

The patent segments the breeding process by first developing a recurrent parent variety with a stable, optimized genetic background through conventional breeding, then using genetic transformation to introduce specific desired traits at a single locus. This segmentation separates the maintenance of genetic diversity (in the recurrent parent) from the introduction of specific traits (through transformation), thereby reducing overall breeding complexity while maintaining adaptability.

The patent applies preliminary action by extensively characterizing the recurrent parent variety's genetic background, agronomic performance, and compositional traits before initiating trait introduction. This preliminary characterization establishes a stable baseline that simplifies subsequent breeding operations and reduces the complexity of evaluating genetic combinations during the actual trait introduction phase.

The patent segments trait introduction into two distinct phases: (1) development of a recurrent parent with optimized agronomic and compositional traits through conventional breeding, and (2) introduction of specific desired traits (e.g., disease resistance, herbicide tolerance) through genetic transformation. This segmentation allows parallel development of different traits without the time-consuming process of crossing and evaluating multiple genetic combinations in the field.

The patent replaces the mechanical system of conventional crossbreeding and field evaluation with genetic transformation technology. Instead of physically crossing plants and waiting for generations to segregate and express traits, the desired traits are directly introduced at the molecular level, dramatically reducing the time required to achieve multi-trait soybean varieties while maintaining genetic diversity in the recurrent parent background.

The patent applies preliminary action by conducting comprehensive characterization of the recurrent parent variety's agronomic performance, compositional traits, and adaptability across multiple environments before trait introduction. This preliminary evaluation establishes reliable baseline data that reduces the need for extensive re-testing of similar traits in subsequent breeding cycles, thereby maintaining trait stability while reducing resource consumption.

The patent creates a well-characterized recurrent parent variety that serves as a reusable genetic platform. Once the recurrent parent's performance is established through field testing, this proven genetic background can be repeatedly used as the recipient for introducing different desired traits through transformation, eliminating the need to conduct extensive field testing for each new trait combination and thereby reducing resource consumption while maintaining reliability.

The patent segments the trait combination process by maintaining a recurrent parent with a stable, characterized genetic background and introducing specific desired traits through genetic transformation at defined loci. This segmentation allows precise control over which traits are combined, as each trait can be independently introduced and tracked, dramatically improving the precision and predictability of achieving specific trait combinations compared to conventional breeding where multiple genes segregate simultaneously.

The patent replaces the imprecise mechanical process of conventional crossbreeding and genetic segregation with molecular-level genetic transformation. This substitution enables precise introduction of specific traits at known loci, allowing breeders to predictably combine desired traits while maintaining the genetic background of the recurrent parent, thereby achieving high precision in trait combination without relying on random genetic segregation.