Canola DN040847 Breeding Segmentation
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Solution Overview
Problem
The development of new canola cultivars is a time-consuming and unpredictable process due to the complexity of combining desirable traits such as high seed yield, disease resistance, and nutritional quality, with breeders facing challenges in identifying genetically superior plants amidst confounding traits and environmental factors.
Innovation Solution
The introduction of the canola cultivar DN040847, which is developed through traditional breeding and dihaploid methodology, incorporating traits like high oleic acid content, blackleg resistance, Clearfield herbicide tolerance, and low glucosinolates, along with genetic engineering techniques for introducing specific genes for herbicide resistance and improved nutritional quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to combine multiple desirable traits, then the cultivar achieves comprehensive improvement in yield, disease resistance, and nutritional quality, but the breeding process becomes extremely time-consuming and unpredictable
Solution Approach 1:
The patent segments the breeding process by first developing parent lines with specific individual traits (disease resistance, nutritional quality, yield characteristics) and then combining them through controlled crossing. This allows systematic accumulation of desirable traits rather than relying on random genetic recombination, making the breeding process more predictable and efficient.
Solution Approach 2:
The patent applies preliminary action by pre-selecting and stabilizing parent lines with specific desirable traits before the final crossing event. The parent lines are developed and characterized in advance, ensuring that the desired traits are already present and stable, which accelerates the overall breeding process and reduces uncertainty in the final cultivar development.
2Productivity
If breeders select for high seed yield, then the cultivar produces more seeds, but identifying genetically superior plants becomes more difficult due to confounding environmental factors and other traits
Solution Approach 1:
The patent extracts the genetic basis of high seed yield from the complex phenotypic expression by developing inbred parent lines where the genetic potential for yield is stabilized and separated from environmental variations. This allows breeders to select for yield genetics in controlled conditions and then combine these genetic factors through crossing, rather than trying to identify superior plants in field conditions where environmental factors confound the measurement.
3Adaptability or versatility
If multiple desirable traits are combined in a single cultivar, then the overall agronomic performance improves, but the complexity of the breeding program increases significantly
Solution Approach 1:
The patent segments the complex breeding program into manageable components by developing separate parent lines, each optimized for specific traits (disease resistance, nutritional quality, yield). This modular approach allows the breeding program to systematically combine traits through controlled crosses rather than attempting to select for all traits simultaneously in a single population, reducing program complexity while achieving comprehensive trait combination.
Solution Approach 2:
The patent creates parent lines that serve multiple functions: they are used for crossing to combine traits, as genetic sources for specific desirable characteristics, and as standards for evaluating the final cultivar. This multi-functionality of the parent lines simplifies the overall breeding program by reusing the same genetic materials for multiple purposes rather than requiring separate development programs for each trait combination.
Data Source
AI summary
The present invention relates to a new and distinctive canola cultivar, designated DN040847. Also included are seeds of canola cultivar DN040847, to the plants, or plant parts, of canola DN040847 and to methods for producing a canola plant produced by crossing the canola DN040847 with itself or another canola cultivar, and the creation of variants by mutagenesis or transformation of canola DN040847.