Hybrid Sweet Corn DRIVER R Yield and Quality Traits
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Solution Overview
Problem
Current sweet corn breeding methods face challenges in developing stable, high-yielding hybrids with improved traits such as yield, ear and kernel quality, and agronomic characteristics, while maintaining genetic stability and adaptability.
Innovation Solution
The development of a novel hybrid sweet corn designated DRIVER R, along with methods for vegetative propagation, tissue culture, and genetic modification using techniques like CRISPR/Cas system, Zinc finger nucleases, and other New Breeding Techniques to introduce desired traits like male sterility, herbicide resistance, and enhanced nutritional quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional sweet corn breeding methods are used, then traditional hybrid development is achieved, but yield, ear and kernel quality, and agronomic characteristics cannot be sufficiently improved
Solution Approach 1:
The patent applies parameter changes by utilizing New Breeding Techniques (NBTs) such as CRISPR/Cas9, zinc finger nucleases, and RNA interference to precisely modify genetic parameters of sweet corn. These techniques enable targeted changes in yield-related genes, quality genes, and stress resistance genes, allowing simultaneous improvement of productivity and adaptability through controlled genetic parameter modification rather than traditional random mutation or conventional crossing methods.
Solution Approach 2:
The patent employs composite materials principle by creating composite genetic structures that combine multiple desirable traits from different parental lines and wild relatives. Through NBTs, the invention integrates genes for high yield, improved ear and kernel quality, disease resistance, and abiotic stress tolerance into a unified genetic composite, achieving superior hybrids with enhanced productivity and adaptability that cannot be obtained through conventional breeding alone.
2Adaptability or versatility
If New Breeding Techniques are used to introduce desired traits, then genetic modification capability is enhanced, but genetic stability may be compromised
Solution Approach 1:
The patent applies local quality principle by using NBTs to make precise, localized modifications to specific genes or genomic regions while leaving the rest of the genome unchanged. Techniques like CRISPR/Cas9 enable targeted editing of specific loci responsible for desired traits (yield, quality, resistance) without affecting other genetic components, thus introducing new traits while maintaining overall genetic stability and the integrity of the sweet corn genome.
Solution Approach 2:
The patent replaces traditional mechanical breeding methods (crossing, selection, and recombination) with molecular-level genetic editing tools. Instead of relying on random genetic recombination through conventional crossing, the invention uses molecular scissors (nucleases) and DNA repair mechanisms to directly write desired genetic changes, providing precise trait introduction with controlled genetic outcomes and maintained stability.
3Productivity
If multiple traits are combined in hybrid development, then overall hybrid performance is improved, but breeding complexity increases
Solution Approach 1:
The patent applies preliminary action principle by pre-selecting and pre-characterizing parental lines with specific desirable traits before hybrid development. Using NBTs, the invention预先 introduces and validates individual trait modifications in parental lines (such as yield enhancement genes, quality improvement genes, and stress resistance genes), so that when these pre-prepared parental lines are crossed, the resulting hybrids automatically inherit multiple desired traits without requiring complex multi-generational selection and breeding processes.
Data Source
AI summary
A novel hybrid sweet corn plant, designated DRIVER R is disclosed. The disclosure relates to the seeds of hybrid sweet corn designated DRIVER R, to the plants and plant parts of hybrid sweet corn designated DRIVER R, and to methods for producing a sweet corn plant by crossing the hybrid sweet corn DRIVER R with itself or another sweet corn plant.