Maize Inbred Lines BDIL3737 DWID3831 Regional Adaptability
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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 maize varieties like BDIL3737 and DWID3831, which can be used to introduce desirable traits such as increased water stress resistance, herbicide resistance, and disease resistance through backcrossing and transgenic methods, allowing for the creation of hybrids with improved adaptability and performance across different Corn Belt regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional corn breeding methods are used to develop hybrids, then uniformity and reproducibility are improved, but adaptability to different regional conditions deteriorates
Solution Approach 1:
The patent applies local quality by developing distinct inbred lines tailored to specific Corn Belt regions, where each line possesses traits optimized for its target environment (e.g., disease resistance in the East, cold tolerance in the North). This allows hybrids to maintain uniformity within their designated region while achieving adaptability across different regions through regional specialization.
Solution Approach 2:
The patent segments the Corn Belt into multiple regions (East, North, South, West) and develops region-specific inbred lines for each segment. This segmentation enables the breeding program to address unique regional challenges (such as Gray Leaf Spot in the East or cool temperatures in the North) while maintaining overall system uniformity through standardized hybrid production methods in each region.
2Stability of the object's composition
If inbred lines are used for hybrid production, then reproducibility of hybrid seed is improved, but plant vigor deteriorates
Solution Approach 1:
The patent merges the advantages of inbred lines (uniformity and reproducibility) with the advantages of hybridization (vigor and adaptability) by using inbred lines specifically as parental stocks for hybrid production. The inbred lines provide genetic uniformity for reproducible hybrid seed, while the hybrid offspring exhibit heterosis for enhanced plant vigor and performance.
3Adaptability or versatility
If region-specific traits are incorporated into corn varieties, then adaptability to local conditions is improved, but breeding complexity deteriorates
Solution Approach 1:
The patent reduces breeding complexity by segmenting the Corn Belt into distinct regions and addressing each region's specific challenges separately through targeted inbred line development. This segmentation allows the breeding program to focus on specific traits for each region (e.g., disease resistance for the East, cold tolerance for the North) rather than attempting to develop a single variety for all regions, thereby managing complexity through systematic division.
Data Source
AI summary
The present invention provides an inbred corn line designated BDIL3737 and DWID3831, methods for producing a corn plant by crossing plants of the inbred line BD/L3737 and DWID3831 with plants of another corn plant. The invention further encompasses all parts of inbred corn line BDIL3737 and DWID3831, including culturable cells. Additionally provided herein are methods for introducing transgenes into inbred corn line BDIL3737 and DWID3831, and plants produced according to these methods.