1PJPG58 Maize Inbred for Faster Hybrid Seed Development
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Solution Overview
Problem
The development of new maize varieties is a time-consuming process that requires years to combine desirable traits such as disease resistance, drought tolerance, and high yield, posing challenges in efficiently producing stable and agronomically sound maize varieties.
Innovation Solution
The development of the novel maize variety 1PJPG58, which incorporates specific traits through backcross conversion, genetic manipulation, and transformation, including cytoplasmic male sterility and heritable traits like herbicide tolerance and disease resistance, along with processes for crossing and producing hybrid seeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding methods are used to combine desirable traits, then stable and agronomically sound maize varieties are developed, but the process takes six to twelve years which is time-consuming
Solution Approach 1:
The patent creates a preliminary inbred line (1PJPG58) with a specific genetic background that is pre-configured to facilitate rapid trait incorporation. This inbred line serves as a ready-made platform that has already undergone extensive breeding to achieve stability, allowing subsequent trait additions to proceed much faster than traditional breeding where each trait requires separate multi-year breeding programs
Solution Approach 2:
The patent separates the breeding process into distinct segments: first developing the stable inbred line 1PJPG58 with desired agronomic traits, then independently introducing additional traits through backcrossing or genetic manipulation. This segmentation allows parallel development of different trait combinations rather than sequential breeding, significantly reducing overall development time while maintaining variety stability
2Productivity
If multiple desirable traits are combined in a single variety, then yield and resistance are improved, but the breeding process becomes more complex and time-consuming
Solution Approach 1:
The inbred line 1PJPG58 is designed as a universal platform that can serve multiple breeding objectives. It possesses a core set of desirable traits (disease resistance, drought tolerance, good yield) that make it suitable as a parent for developing various hybrid varieties with different additional traits. This multi-functionality reduces breeding complexity by using a single proven genetic background rather than developing separate breeding programs for each trait combination
Solution Approach 2:
The patent uses the inbred line 1PJPG58 as an intermediary between traditional breeding and modern genetic manipulation techniques. The stable genetic background of 1PJPG58 acts as a mediator that can accept traits introduced through backcrossing or transformation while maintaining overall variety stability. This intermediary approach simplifies the breeding process by providing a consistent genetic framework that reduces the complexity of managing multiple trait introductions
Data Source
AI summary
A novel maize variety designated 1PJPG58 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PJPG58 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1P JPG58 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety 1PJPG58 or a locus conversion of 1PJPG58 with another maize variety.