Maize Inbred 1PKTJ53 for Stable Multi-Trait Breeding
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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 a novel maize variety, 1PKTJ53, 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 producing hybrid seeds and plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to combine desirable traits, then trait stability and agronomic soundness are improved, but development time increases significantly
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing inbred line 1PKTJ53 with desirable baseline traits (disease resistance, yield potential, stress tolerance) before hybrid development. This preliminary characterization allows breeders to start hybrid programs with a pre-validated parent, reducing the time needed for multi-year stability testing while ensuring trait reliability is established upfront through systematic evaluation of the inbred line's performance across multiple environments and disease pressures.
2Productivity
If multiple desirable traits are combined in a single variety, then agronomic performance and yield are improved, but the complexity of the breeding process increases
Solution Approach 1:
The patent applies merging by combining multiple desirable traits (disease resistance, drought tolerance, high yield, stress tolerance) into a single integrated inbred line 1PKTJ53 through systematic breeding. This consolidation allows the subsequent hybrid to inherit all these traits simultaneously from one parent, simplifying the overall breeding process by reducing the need for separate trait introgression steps and enabling breeders to focus on optimizing hybrid performance rather than managing complex multi-trait stacking.
3Stability of the object's composition
If conventional breeding procedures are followed, then genetic stability is maintained, but the time required from first cross to seed delivery extends to 6-12 years
Solution Approach 1:
The patent applies copying by creating true-breeding inbred line 1PKTJ53 that can be replicated and used repeatedly as a parent in hybrid development. Once the inbred line is established with desired traits, it can be copied and distributed to multiple breeding programs simultaneously, and the resulting hybrids will consistently inherit the same stable genetic characteristics. This copying approach allows parallel development of multiple hybrids from the same validated parent, dramatically reducing the overall time from initial breeding to commercial seed delivery while maintaining genetic stability through the self-pollinating nature of inbred lines.
Data Source
AI summary
A novel maize variety designated 1PKTJ53 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PKTJ53 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PKTJ53 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 1PKTJ53 or a locus conversion of 1PKTJ53 with another maize variety.