Tomato Line PSQ 176-09PW0002 Breeding for Uniformity
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Solution Overview
Problem
Current plant breeding techniques face challenges in developing uniform tomato varieties with desirable traits such as nematode resistance, high yield, and specific fruit characteristics, as they often result in unpredictable performance due to genetic non-uniformity in hybrid plants.
Innovation Solution
The development of the tomato line PSQ 176-09PW0002, which is a semi-determinate plant with nematode resistance and specific morphological and physiological characteristics, achieved through a breeding program involving backcrossing and genetic selection to produce a stable and uniform population of seeds and plants with added heritable traits like herbicide tolerance and modified carbohydrate metabolism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination between different plant varieties is used, then genetic diversity and adaptability are improved, but uniformity and predictability of performance deteriorate
Solution Approach 1:
The breeding program segments the development process into distinct phases: creating diverse hybrid populations through cross-pollination, then separating and selecting uniform individual plants that exhibit desired traits. This segmentation allows the system to first generate genetic diversity, then filter for uniformity in the final selected lines.
Solution Approach 2:
The patent applies local quality by selecting and propagating only those individual plants within the hybrid population that display specific uniform traits (such as disease resistance, yield characteristics, or morphological uniformity). This creates local uniformity in the selected subset while maintaining overall genetic diversity in the broader population.
2Manufacturing precision
If self-pollination and selection over many generations are used, then uniformity and true-breeding status are improved, but time required for development increases
Solution Approach 1:
The breeding program performs preliminary actions by creating and evaluating hybrid populations before final selection. By pre-establishing diverse hybrid populations and identifying promising lines early, the process reduces the number of generations required for final selection and stabilizes the breeding cycle.
Solution Approach 2:
The patent implements feedback mechanisms through continuous evaluation of hybrid plant performance traits. By monitoring and selecting based on observed phenotypic expression, the program accelerates the convergence toward uniformity without requiring excessive generations of self-pollination.
3Adaptability or versatility
If broad-based breeding pools are used to combine genetic backgrounds, then adaptability and trait combinations are improved, but complexity of breeding program increases
Solution Approach 1:
The breeding program extracts and focuses on specific trait combinations of interest from the broader genetic pool. By identifying and selecting only the relevant traits (such as nematode resistance, yield, or fruit quality) rather than managing all possible genetic combinations, the program reduces operational complexity while maintaining adaptability.
Solution Approach 2:
The patent creates universal breeding lines that can serve multiple functions or applications. By developing lines with broad adaptability that can be used for different purposes (food production, processing, disease resistance), the program reduces the need for separate specialized lines, thereby simplifying the overall breeding program structure.
Data Source
AI summary
The invention provides seed and plants of the tomato line designated PSQ 176-09PW0002. The invention thus relates to the plants, seeds and tissue cultures of tomato line PSQ 176-09PW0002, and to methods for producing a tomato plant produced by crossing a plant of tomato line PSQ 176-09PW0002 with itself or with another tomato 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 tomato line PSQ 176-09PW0002, including the seed, pod, and gametes of such plants.