Crimson Tide Lettuce Cultivar Genetic Stability
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Solution Overview
Problem
Current plant breeding methods face challenges in developing uniform and stable redleaf lettuce varieties with desirable traits such as resistance to diseases and improved horticultural quality, as they often result in unpredictable performance due to genetic non-uniformity.
Innovation Solution
The development of the redleaf lettuce cultivar Crimson Tide, which is bred to be homozygous and uniform, incorporating specific genetic loci for traits like herbicide tolerance, insect resistance, and disease resistance through backcrossing and genetic transformation, ensuring consistent performance across generations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding methods are used to develop redleaf lettuce varieties, then various desirable traits can be combined, but genetic non-uniformity results in unpredictable performance
Solution Approach 1:
The patent applies homogeneity by developing a highly uniform redleaf lettuce cultivar through controlled breeding methods. The cultivar exhibits consistent genetic composition and uniform phenotypic expression across plants, ensuring predictable performance while combining multiple desirable traits including disease resistance, horticultural quality, and stem initiation characteristics
2Reliability
If self-pollination and selection over many generations are used to create homozygous plants, then uniform true breeding progeny are produced, but the breeding process becomes time-consuming and complex
Solution Approach 1:
The patent applies preliminary action by performing multiple generations of self-pollination and selection in advance to establish the homozygous Crimson Tide cultivar before commercial deployment. This preliminary breeding work creates a genetically stable foundation that eliminates the need for continued complex breeding operations, saving time in the long term while ensuring uniformity
3Adaptability or versatility
If pedigree breeding and recurrent selection are used to develop inbred plants, then genetic backgrounds from multiple sources are combined, but the evaluation process becomes complex and resource-intensive
Solution Approach 1:
The patent applies merging by combining genetic backgrounds from multiple redleaf lettuce sources through systematic crossing and selection. The Crimson Tide cultivar integrates desirable traits from different parental lines including disease resistance, leaf quality, and growth characteristics, consolidating diverse genetic contributions into a single uniform variety that simplifies subsequent evaluation and deployment
Data Source
AI summary
The invention provides seed and plants of the redleaf lettuce cultivar designated cv. Crimson Tide. The invention thus relates to the plants, seeds and tissue cultures of redleaf lettuce cv. Crimson Tide, and to methods for producing a lettuce plant produced by crossing a plant of redleaf lettuce cv. Crimson Tide with itself or with another lettuce plant, such as a plant of another line. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of a plant of redleaf lettuce line cv. Crimson Tide, including the gametes of such plants.