Maize Inbred PH1CTM Breeding for Disease Resistance and Yield
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Solution Overview
Problem
Current maize breeding techniques face challenges in combining desirable traits such as disease resistance, drought tolerance, and uniformity, which are essential for efficient crop production and mechanical harvesting.
Innovation Solution
Development of a novel maize variety, PH1CTM, with specific genetic traits introduced through backcross conversion and transformation, focusing on improved abiotic stress tolerance, disease resistance, and uniform plant characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding methods are used to combine desirable traits, then disease resistance and drought tolerance can be improved, but the time required to develop new varieties and the complexity of the breeding process increase
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing inbred lines with specific desirable traits (disease resistance, drought tolerance, uniformity) before hybridization. The inbred line PH1CTM was developed through multiple generations of selection and characterization to ensure it possesses the desired traits, which then can be efficiently combined with other lines through controlled crossing rather than through lengthy traditional breeding processes.
Solution Approach 2:
The patent utilizes parameter changes by evaluating and selecting inbred lines based on specific measurable parameters including disease resistance scores, drought tolerance ratings, uniformity metrics, and yield characteristics. By changing and optimizing these parameters through systematic selection and hybridization, the patent achieves reliable trait combination without excessive time investment.
2Productivity
If multiple desirable traits are combined in a single variety, then reliability and productivity improve, but the complexity of the variety and difficulty of breeding increase
Solution Approach 1:
The patent applies segmentation by dividing the breeding process into distinct components: developing specialized inbred lines with specific traits (PH1CTM with disease resistance and drought tolerance, another parent line with high yield potential), and then combining them through controlled hybridization. This segmentation allows each parent line to be optimized for specific functions, making the overall breeding process more manageable and less complex.
Solution Approach 2:
The patent achieves universality by creating a hybrid variety that combines multiple functions: disease resistance, drought tolerance, uniformity, and high yield potential all in a single variety. The inbred line PH1CTM serves as a universal parent that can be crossed with various other lines to produce hybrids with different trait combinations, making the breeding approach versatile and applicable to multiple breeding goals.
3Ease of operation
If uniformity of plant characteristics is improved for mechanical harvesting, then ease of operation improves, but the adaptability to different environmental conditions may be reduced
Solution Approach 1:
The patent applies local quality by ensuring uniformity in specific characteristics critical for mechanical harvesting (plant height, ear height, maturity timing) while maintaining genetic diversity and adaptability through the selection of diverse parent lines. The inbred line PH1CTM provides uniformity in key traits, but the hybridization process allows the offspring to inherit adaptability from both parents, achieving local uniformity without sacrificing overall environmental adaptability.
Data Source
AI summary
A novel maize variety designated PH1CTM and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PH1CTM with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH1CTM through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the variety PH1CTM or a locus conversion of PH1CTM with another maize variety.