Maize Inbred 1PVNL56 as a Stable Platform for Rapid Trait Stacking
Find Innovative SolutionsGenerate Solutions
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 introduction of the novel maize variety 1PVNL56, which incorporates genetic modifications and cytoplasmic traits like male sterility, along with processes for crossing and backcrossing to integrate desired traits, such as herbicide tolerance and disease resistance, into the maize genome, and the use of tissue culture for regenerable cells to maintain physiological and morphological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding processes are used to combine desirable traits, then the resulting varieties have stable and agronomically sound characteristics, but the development process takes six to twelve years which is too time-consuming
Solution Approach 1:
The patent applies preliminary action by pre-establishing inbred lines with specific desirable traits (such as disease resistance, yield potential, and stress tolerance) before the actual variety development process. The inbred line 1PVNL56 is developed with predetermined characteristics that can be rapidly combined with other traits through controlled crossing, eliminating the need for lengthy trial-and-error breeding processes and reducing overall development time while maintaining stability.
2Adaptability or versatility
If multiple desirable traits are combined in a single maize variety through traditional breeding, then the variety achieves high yield and agronomic soundness, but the complexity of the breeding program increases significantly
Solution Approach 1:
The patent applies segmentation by dividing the complex breeding program into separate, manageable components. Each inbred line is developed to possess specific desirable traits (such as disease resistance, yield potential, or stress tolerance) independently. The inbred line 1PVNL56 is one such segmented unit that can be crossed with other specialized inbred lines to combine multiple traits, thereby reducing the complexity of the overall breeding program while achieving high adaptability.
3Productivity
If rapid variety development is pursued through genetic manipulation, then the time to market is reduced, but the agronomic soundness and stability of the variety may be compromised
Solution Approach 1:
The patent uses inbred lines as intermediary carriers that bridge rapid development and agronomic soundness. The inbred line 1PVNL56 serves as a stable genetic platform that has been thoroughly characterized and tested. By using this pre-validated inbred line as a parent in hybrid development, the program achieves rapid variety production while ensuring that the resulting hybrids inherit the proven agronomic soundness and stability of the inbred line, thus maintaining reliability while improving productivity.
Data Source
AI summary
A novel maize variety designated 1PVNL56 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PVNL56 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PVNL56 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 1PVNL56 or a locus conversion of 1PVNL56 with another maize variety.