Bean Line EX 15340804 Root Rot Resistance Breeding
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Solution Overview
Problem
Current bean breeding techniques have limitations in developing uniform varieties with improved traits such as root rot resistance and desirable agronomic characteristics, which are essential for enhanced crop yields and quality.
Innovation Solution
The development of the bean line EX 15340804, which is created through backcross and pedigree breeding methods, incorporating genetic loci for traits like herbicide tolerance, insect resistance, and disease resistance, and utilizing tissue culture for regenerable cells to produce uniform F1 hybrid progeny with improved root rot resistance and elite agronomic traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional breeding techniques are used to develop bean varieties, then genetic diversity is maintained, but uniformity and predictability of performance are reduced
Solution Approach 1:
The breeding program segments the development process into distinct phases: creating homozygous inbred lines through repeated self-pollination, then crossing specific lines to produce uniform F1 hybrids. This segmentation allows genetic diversity to be captured in the inbred line development phase while achieving uniformity in the final hybrid variety
Solution Approach 2:
Homozygous inbred lines are developed in advance through multiple generations of self-pollination and selection before the final hybrid cross. This preliminary action ensures that the parental lines are genetically stable and uniform, which then produces uniform F1 hybrid progeny with predictable performance
2Manufacturing precision
If inbred plants are developed through self-pollination and selection, then uniform homozygous lines are produced, but breeding time and complexity increase
Solution Approach 1:
The breeding program employs periodic self-pollination and selection cycles over multiple generations to progressively increase homozygosity. This periodic action systematically reduces genetic variation in the parental lines, ensuring uniformity in the final hybrid while providing a structured timeline for breeders to follow
3Productivity
If multiple desirable traits are combined in a single variety, then agronomic quality and yield are improved, but breeding complexity and difficulty of selection increase
Solution Approach 1:
The breeding program merges multiple desirable traits from different parental inbred lines into a single F1 hybrid variety. By combining homozygous lines that each possess specific beneficial traits (such as disease resistance, yield components, and adaptability), the final hybrid achieves superior overall performance while the modular approach keeps breeding complexity manageable
Data Source
AI summary
The invention provides seed and plants of the bean line designated EX 15340804. The invention thus relates to the plants, seeds and tissue cultures of bean line EX 15340804, and to methods for producing a bean plant produced by crossing a plant of bean line EX 15340804 with itself or with another bean 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 bean line EX 15340804, including the pods and gametes of such plants.