Bean Line SVGF2123 Breeding Segmentation for Uniformity and Diversity
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Solution Overview
Problem
Current plant breeding techniques face challenges in developing uniform and stable bean varieties that combine desirable traits such as high yield, disease resistance, and environmental stress tolerance.
Innovation Solution
The development of the bean line SVGF2123, which involves creating a homozygous inbred line through self-pollination and selection, followed by crossing with other lines to introduce desired traits like herbicide tolerance, insect resistance, and modified carbohydrate metabolism. This is achieved through genetic engineering techniques such as genome editing with engineered nucleases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pedigree breeding and recurrent selection are used to develop inbred plants, then genetic diversity is increased, but uniformity and predictability of the population decrease
Solution Approach 1:
The breeding program segments the development process into distinct phases: first developing uniform homozygous inbred lines through self-pollination, then strategically crossing these lines to introduce genetic diversity. This segmentation allows the program to maintain uniformity within lines while achieving diversity across the breeding pool, resolving the contradiction between uniformity and genetic diversity.
2Stability of the object's composition
If self-pollination and selection are used to create homozygous inbred plants, then uniformity is improved, but genetic diversity is reduced
Solution Approach 1:
The program performs preliminary action by first creating uniform homozygous inbred lines through extended self-pollination and selection. These uniform lines serve as a foundation, and only after establishing this uniformity does the program introduce genetic diversity through controlled crosses. This preliminary establishment of uniformity allows subsequent introduction of diversity without compromising the stability of the base population.
3Adaptability or versatility
If crossing of heterozygous plants is performed, then genetic diversity is maintained, but uniformity and performance predictability decrease
Solution Approach 1:
The program uses homozygous inbred lines as intermediaries between genetic diversity and performance predictability. These inbred lines serve as uniform parental sources that can be crossed to introduce diversity while maintaining predictable outcomes. The inbred lines act as a buffer, allowing controlled introduction of genetic variation while preserving the predictability needed for commercial production.
Data Source
AI summary
The invention provides seed and plants of the bean line SVGF2123. The invention thus relates to the plants, seeds, and tissue cultures of bean line SVGF2123 and to methods for producing a bean plant produced by crossing a plant of bean line SVGF2123 with itself or with another bean plant, such as a plant of another genotype. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of a plant of bean line SVGF2123, including the pods and gametes of such plants.