Canola Line NS6485 Cytoplasmic Male Sterility Hybrid Control
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Solution Overview
Problem
Current canola breeding methods face challenges in predicting and developing superior varieties due to the unpredictability of genetic combinations and the lack of control at the DNA level, leading to high research costs and time-consuming processes.
Innovation Solution
The development of a novel Brassica napus line, NS6485, which incorporates cytoplasmic male sterility and locus conversions to enhance traits such as disease resistance, herbicide tolerance, and improved agronomic characteristics, allowing for controlled hybrid development and introgression of desired traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional canola breeding methods are used, then various desirable traits can be combined in a variety, but the process is unpredictable and time-consuming with high research costs
Solution Approach 1:
The patent applies preliminary action by developing cytoplasmic male sterile lines and restorer lines in advance through systematic breeding programs. These pre-developed lines with specific traits (disease resistance, herbicide tolerance, quality characteristics) can be directly combined through controlled crosses, eliminating the need for lengthy unpredictable selection processes and significantly reducing breeding time while maintaining trait combination effectiveness
2Adaptability or versatility
If conventional breeding methods are used, then trait combination is possible, but research costs are high due to unpredictability
Solution Approach 1:
The patent reduces research costs through preliminary action by pre-characterizing cytoplasmic male sterile lines and restorer lines for specific traits. This allows breeders to make informed selection decisions based on known parental characteristics, reducing the need for extensive field testing and evaluation, thereby significantly lowering research and development costs while maintaining effective trait combination
3Ease of operation
If cytoplasmic male sterility is incorporated, then controlled hybrid development is enabled, but genetic uniformity must be maintained
Solution Approach 1:
The patent applies segmentation by separating the fertility control function into distinct cytoplasmic male sterile lines and restorer lines. This segmentation allows independent optimization and characterization of each line for desired traits, while the controlled cross between them ensures uniform hybrid progeny. The sterility system acts as a modular component that can be integrated with various nuclear genomes without compromising genetic uniformity of the resulting hybrids
Data Source
AI summary
A novel canola variety designated NS6485 and seed, plants and plant parts thereof. Methods for producing a canola plant that comprise crossing canola variety NS6485 with another canola plant. Methods for producing a canola plant containing in its genetic material one or more traits introgressed into NS6485 through backcross conversion and/or transformation, and to the canola seed, plant and plant part produced thereby. Hybrid canola seed, plant or plant part produced by crossing the canola variety NS6485 or a locus conversion of NS6485 with another canola variety.