Maize Variety KID4330 Regional Adaptation Segmentation
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Solution Overview
Problem
Current corn breeding methods face challenges in producing high-yielding, agronomically sound plants that are uniformly adapted across the U.S. Corn Belt, as regional growing conditions and specific issues like Gray Leaf Spot infection, cool temperatures, and soil pH levels require region-specific traits, making it difficult to develop hybrids that are broadly adaptable.
Innovation Solution
The development of the maize variety KID4330, which includes a process for introducing additional traits such as increased water stress resistance, waxy starch, male sterility, and disease resistance through backcrossing and transgene introduction, allowing for the creation of hybrid seeds with enhanced characteristics that can be adapted across different regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If inbred maize lines are used for hybrid seed production, then uniformity and reproducibility of hybrid seed are improved, but vigor and seed yield of the inbred plants themselves deteriorate
Solution Approach 1:
The patent divides the breeding program into distinct segments: inbred line development for uniformity, hybrid seed production for vigor, and regional adaptation programs for local optimization. This segmentation allows each component to be optimized independently while maintaining overall system effectiveness.
Solution Approach 2:
The patent implements regional adaptation by introducing specific traits (disease resistance, stress tolerance) into inbred lines based on regional requirements. Different inbred lines are developed with locally optimized characteristics while maintaining the core homozygous uniformity needed for reproducible hybrids.
2Adaptability or versatility
If a single hybrid variety is developed for broad adaptability, then versatility across regions is improved, but performance in specific regional conditions deteriorates
Solution Approach 1:
The patent develops region-specific inbred lines with locally adapted traits (disease resistance for humid regions, drought tolerance for arid regions) while maintaining core hybrid vigor. This allows optimal performance in each region rather than compromising broad adaptability for specific yield.
Solution Approach 2:
The patent segments the Corn Belt into different regional zones, each with specialized inbred lines tailored to local conditions. This segmentation enables both broad coverage across regions and optimized performance within each specific region.
3Adaptability or versatility
If multiple breeding programs are run simultaneously for different regions, then regional adaptability is improved, but program complexity and resource requirements deteriorate
Solution Approach 1:
The patent merges multiple breeding programs by using a common core set of inbred lines that can be crossed with different regional adaptors. This combining approach maintains regional specialization while reducing overall program complexity through shared resources and standardized procedures.
Solution Approach 2:
The patent develops universal inbred line foundations that can serve multiple regional programs through different crossing combinations. These foundational lines possess core traits applicable across regions, reducing the need for completely separate breeding programs for each region.
Data Source
AI summary
The present invention provides an inbred corn line designated KID4330, methods for producing a corn plant by crossing plants of the inbred line KID4330 with plants of another corn plant. The invention further encompasses all parts of inbred corn line KID4330, including culturable cells. Additionally provided herein are methods for introducing transgenes into inbred corn line KID4330, and plants produced according to these methods.