Spinach Line OMB66-1101M Homozygous Breeding for Disease Resistance
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Solution Overview
Problem
Current spinach breeding programs lack new lines with improved traits such as increased yield, resistance to diseases, and adaptability, which are essential for enhancing crop quality and farmer-consumer benefits.
Innovation Solution
Development of the spinach line OMB66-1101M, which is a homozygous line with specific traits like resistance to downy mildew, Colletotrichum, and a unique combination of morphological characteristics, achieved through pedigree selection and potentially enhanced by genetic transformation techniques, to produce uniform and stable seed populations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional breeding methods are used to develop spinach lines, then existing varieties have some beneficial traits, but there is a lack of new lines with improved traits such as increased yield, disease resistance, and adaptability
Solution Approach 1:
The patent applies parameter changes by developing a new spinach line (OMB66-1101M) with modified genetic parameters that simultaneously improve multiple traits including yield, disease resistance (specifically downy mildew and Colletotrichum), and adaptability to environmental conditions, moving beyond the limitations of traditional varieties
2Stability of the object's composition
If self-pollination and selection over many generations are used to create homozygous lines, then uniform true-breeding progeny are produced, but the breeding process becomes time-consuming and complex
Solution Approach 1:
The patent employs preliminary action by conducting extensive pedigree selection and genetic stabilization work in advance to develop the homozygous OMB66-1101M line, ensuring uniformity and true-breeding characteristics are established before hybrid production, thereby reducing the time required for subsequent breeding operations
3Adaptability or versatility
If pedigree selection and recurrent selection are used to develop inbred plants, then genetic backgrounds from multiple sources are combined, but the evaluation process to determine commercial potential becomes complex and resource-intensive
Solution Approach 1:
The patent applies the extraction principle by isolating and developing a specific homozygous line (OMB66-1101M) with a stabilized genetic background that combines desirable traits from multiple sources, then using this line as a parent in hybrid production, thereby simplifying the breeding program while maintaining genetic diversity benefits
Data Source
AI summary
The invention provides seed and plants of the spinach line designated OMB66-1101M. The invention thus relates to the plants, seeds and tissue cultures of spinach line OMB66-1101M, and to methods for producing a spinach plant produced by crossing a plant of spinach line OMB66-1101M with itself or with another spinach 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 spinach line OMB66-1101M, including the fruit and gametes of such plants.