Cotton Variety 10R015B2R2 Breeding via Targeted Backcrossing
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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 resistance, and tolerance to drought and heat, due to the unpredictability of genetic combinations and the complexity of inheritance, which requires extensive research and resources.
Innovation Solution
The development of the cotton variety 10R015B2R2, which is insect-protected and herbicide-tolerant, achieved through conventional breeding and backcrossing, incorporating traits like Bollgard II and Roundup Ready Flex, allowing for the production of hybrid seeds and plants with improved agronomic characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop new cotton varieties, then genetic combinations can be generated, but the process requires extensive research and resources due to unpredictability and inheritance complexity
Solution Approach 1:
The patent applies parameter changes by modifying specific genetic loci through targeted backcrossing and selection. Instead of relying on random genetic recombination across the entire genome, the breeding process focuses on changing specific parameters (traits) at defined loci while maintaining the genetic background of the recurrent parent. This approach transforms the unpredictable nature of conventional breeding into a more controlled process where specific traits can be introduced or modified with known inheritance patterns.
2Adaptability or versatility
If multiple parental lines are crossed to achieve desirable traits, then trait diversity increases, but the inheritance complexity and research requirements increase significantly
Solution Approach 1:
The patent employs preliminary action by pre-selecting parental lines with known desirable traits and established inheritance patterns before initiating the breeding program. The recurrent parent is carefully chosen to possess the desired genetic background, and donor parents are selected for specific traits to be introduced. This preliminary preparation allows the breeding process to proceed more efficiently, as the inheritance expectations are known in advance, reducing the time required for evaluation and selection across multiple generations.
3Reliability
If extensive breeding programs are conducted to combine desirable traits, then variety improvement is achieved, but resource requirements and research efforts increase
Solution Approach 1:
The patent applies the extraction principle by isolating and focusing on specific traits of interest for introduction or modification, rather than attempting to improve all traits simultaneously. The breeding program extracts the essential genetic components needed for the desired variety performance and concentrates resources on those specific loci. This approach allows for more efficient resource allocation, as breeding efforts are directed toward achieving specific performance targets rather than conducting comprehensive improvements across the entire genome.
Data Source
AI summary
The invention relates to the novel cotton variety designated 10R015B2R2. Provided by the invention are the seeds, plants, plant parts and derivatives of the cotton variety 10R015B2R2. Also provided by the invention are methods of using cotton variety 10R015B2R2 and products derived therefrom. Still further provided by the invention are methods for producing cotton plants by crossing the cotton variety 10R015B2R2 with itself or another cotton variety and plants and seeds produced by such methods.