Hybrid Maize X13B597 Marker-Assisted Trait Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current maize breeding techniques face challenges in combining desirable traits such as resistance to diseases and insects, heat, and drought tolerance with high yield and uniform plant characteristics, which are essential for efficient mechanical harvesting.
Innovation Solution
The development of the hybrid maize variety X13B597, produced by crossing proprietary Pioneer Hi-Bred International, Inc. inbred varieties, incorporates locus conversion and transformation to introduce specific traits, enhancing resistance and agronomic performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding is used to combine desirable traits, then resistance to diseases and insects can be improved, but uniformity of plant characteristics deteriorates
Solution Approach 1:
The patent uses molecular marker technology to segment and identify specific genetic loci responsible for desirable traits (disease resistance, insect resistance). By targeting specific chromosomal regions rather than whole genomes, the breeding process can precisely combine desired traits while maintaining uniformity in other plant characteristics.
Solution Approach 2:
The patent applies local quality by introducing specific desirable traits at particular genetic loci while maintaining the overall uniformity of the plant genome. Molecular markers allow selective modification of specific chromosomal regions, enabling resistance traits to be incorporated without affecting other uniform plant characteristics essential for mechanical harvesting.
2Reliability
If multiple desirable traits are combined in a single hybrid, then resistance and yield can be improved, but device complexity increases
Solution Approach 1:
The patent introduces molecular markers as intermediary tools that facilitate the combination of multiple desirable traits. These markers serve as mediators to track and select for specific genetic loci during breeding, simplifying the complex process of combining heat tolerance, drought resistance, and high yield traits by providing clear selection criteria at the molecular level.
Solution Approach 2:
The patent changes the parameter of trait selection from phenotypic observation to genotypic identification using molecular markers. This parameter change allows for more precise and efficient selection of plants with desired combinations of heat tolerance, drought resistance, and yield traits, reducing the complexity and time required for multi-trait breeding.
3Ease of operation
If uniformity of plant characteristics is increased for mechanical harvesting, then ease of operation improves, but adaptability to different environmental conditions deteriorates
Solution Approach 1:
The patent segments the genome into specific loci responsible for uniformity traits and loci responsible for environmental adaptability. By using molecular markers to track and maintain specific chromosomal regions, the breeding process can preserve uniform plant characteristics (height, maturity, stand establishment) essential for mechanical harvesting while simultaneously incorporating adaptability traits like heat and drought tolerance at different genetic locations.
Solution Approach 2:
The patent creates a composite genetic structure that combines uniformity genes and adaptability genes within the same hybrid variety. Through marker-assisted selection, multiple genetic components are integrated to produce a composite genotype that exhibits both uniform plant characteristics for mechanical harvesting and enhanced adaptability to heat and drought stress conditions.
Data Source
AI summary
A novel maize variety designated X13B597 and seed, plants and plant parts thereof, produced by crossing Pioneer Hi-Bred International, Inc. proprietary inbred maize varieties. Methods for producing a maize plant that comprises crossing hybrid maize variety X13B597 with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X13B597 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. This invention relates to the maize variety X13B597, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X13B597. This invention further relates to methods for producing maize varieties derived from maize variety X13B597.