Hybrid Maize X09T083 for Trait Stacking With Stable Uniformity
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Solution Overview
Problem
Existing hybrid maize development methods struggle to combine desirable traits such as disease resistance, heat and drought tolerance, and improved yield while maintaining uniformity and stability, which are crucial for commercial crop production.
Innovation Solution
The development of the maize hybrid variety X09T083, produced by crossing inbred varieties and incorporating genetic loci for traits like male sterility, disease resistance, and altered metabolism through backcrossing and transformation, along with cytoplasmically-inherited traits to enhance hybrid performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional plant breeding methods are used to combine multiple desirable traits, then the variety of traits can be increased, but the uniformity and stability of plant characteristics deteriorate
Solution Approach 1:
The patent segments the breeding process into distinct phases: first developing uniform inbred lines through repeated selfing, then combining them in controlled hybrid crosses. This segmentation allows each phase to optimize for its specific goal (uniformity in inbreds, trait combination in hybrids) without compromising the other.
Solution Approach 2:
The patent performs preliminary action by developing and stabilizing inbred parent lines before the actual hybridization. The inbred lines are pre-selected and pre-uniformed through multiple generations of selfing, ensuring that when they are crossed, the resulting hybrids inherit both the uniformity of the parents and the desired combined traits.
2Productivity
If multiple traits are combined in a single hybrid, then the agronomic quality and yield can be improved, but the complexity of the breeding process increases
Solution Approach 1:
The patent merges multiple desirable traits from different inbred parent lines into a single hybrid offspring. By selecting parents that each possess specific advantageous traits, the hybrid combines these traits simultaneously, achieving improved yield and agronomic quality in one unified variety.
Solution Approach 2:
The hybrid maize variety serves multiple functions simultaneously: it provides high yield, disease resistance, insect resistance, and adaptability to different environmental conditions. This multi-functionality is achieved by carefully selecting parent lines that contribute different advantageous traits to the hybrid.
3Stability of the object's composition
If inbred varieties are crossed to produce hybrids, then uniformity of plant characteristics is improved, but the time required for stand establishment and maturity may be extended
Solution Approach 1:
The patent optimizes parameters such as planting density, row spacing, and environmental conditions to accelerate the growth and maturity of hybrid maize. By adjusting these parameters, the patent reduces the time loss associated with hybrid establishment while maintaining the uniformity benefits of inbred crossing.
Data Source
AI summary
A novel maize variety designated X09T083 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X09T083 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X09T083 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X09T083, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X09T083 are provided. Methods for producing maize varieties derived from maize variety X09T083 and methods of using maize variety X09T083 are disclosed.