Cotton Variety 11R124B2R2 Breeding Segmentation
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Solution Overview
Problem
Current cotton breeding methods face challenges in developing new, superior cotton varieties that combine desirable traits such as higher fiber yield, earlier maturity, disease and insect resistance, drought tolerance, and improved agronomic characteristics, due to the complexity of genetic combinations and environmental unpredictability.
Innovation Solution
The development of the cotton variety 11R124B2R2, which is insect-protected and herbicide-tolerant, achieved through conventional breeding and backcrossing, incorporating transgenic genes for resistance and tolerance, allowing for the production of hybrid seeds and plants with specific desired traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding and backcrossing methods are used to develop new cotton varieties, then multiple desirable traits (fiber yield, maturity, disease resistance, insect resistance, drought tolerance) can be combined, but the process becomes extremely complex and time-consuming due to the need to manage billions of potential genetic combinations
Solution Approach 1:
The patent segments the complex breeding process into distinct generations (P, F1, F2, F3, F4, F5) with specific selection criteria for each generation. This systematic segmentation allows breeders to manage complexity by focusing on one generation at a time rather than attempting to handle all genetic combinations simultaneously.
Solution Approach 2:
The patent applies preliminary action by performing selective breeding and backcrossing in predetermined generations before final variety development. Specific traits are introduced and fixed in early generations (F1-F4) through controlled crosses with recurrent parents, preparing the genetic foundation before final evaluation in F5 generation.
2Productivity
If extensive generation advancement and selection are performed to produce new genetic combinations, then superior cotton varieties with multiple traits can be developed, but the time required for breeding increases significantly
Solution Approach 1:
The patent maintains continuity of useful action by implementing continuous selection and backcrossing across multiple generations without interruption. Each generation (F1 through F5) undergoes systematic selection for desired traits, ensuring that breeding progress accumulates continuously rather than being reset, thereby reducing overall development time while maintaining productivity improvements.
Solution Approach 2:
The patent applies partial action by focusing selection efforts on specific critical traits at each generation rather than attempting to optimize all traits simultaneously. For example, early generations focus on disease and insect resistance, while later generations emphasize fiber yield and quality, allowing efficient progression through the breeding program.
3Adaptability or versatility
If multiple parental lines are crossed to generate diverse genetic combinations, then new and superior cotton varieties can be created, but the difficulty of managing and selecting from billions of combinations increases
Solution Approach 1:
The patent implements feedback mechanisms by evaluating each generation against predefined selection criteria and using this information to guide subsequent breeding decisions. Performance data from F2 generation informs F3 cross selections, and F4 evaluation results guide final F5 variety development, creating a feedback loop that systematically manages genetic diversity while simplifying trait detection and selection.
Solution Approach 2:
The patent applies local quality by introducing specific desirable traits from donor parental lines into the recurrent parent background at different stages. Rather than attempting to combine all traits from multiple parents simultaneously, the method focuses on introducing and fixing specific traits (such as disease resistance or fiber quality) in specific generations, making the selection process more manageable.
Data Source
AI summary
The invention relates to the novel cotton variety designated 11R124B2R2. Provided by the invention are the seeds, plants, plant parts and derivatives of the cotton variety 11R124B2R2. Also provided by the invention are methods of using cotton variety 11R124B2R2 and products derived therefrom. Still further provided by the invention are methods for producing cotton plants by crossing the cotton variety 11R124B2R2 with itself or another cotton variety and plants and seeds produced by such methods.