Maize Inbred PHVPM Breeding for Disease Resistance and Uniformity
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Solution Overview
Problem
Current maize breeding techniques face challenges in combining desirable traits such as disease resistance, drought tolerance, and uniformity, which are essential for efficient crop production and mechanical harvesting.
Innovation Solution
Development of a novel maize variety, PHVPM, which includes specific genetic traits for resistance to diseases and abiotic stresses, combined with advanced breeding methods like backcross conversion and transformation to introduce desired traits, resulting in a hybrid maize seed with improved agronomic qualities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding methods are used to combine desirable traits, then disease resistance and drought tolerance can be improved, but the time required to develop new varieties and the complexity of the breeding process increase
Solution Approach 1:
The patent applies preliminary action by pre-screening and selecting parental inbred lines that already possess desired traits such as disease resistance and drought tolerance before initiating the breeding program. This advance preparation of parental material with known desirable characteristics accelerates the breeding process while ensuring reliable trait inheritance in the resulting PHVPM variety
2Productivity
If multiple desirable traits are combined in a single variety, then agronomic quality and yield potential improve, but the uniformity of plant characteristics required for mechanical harvesting deteriorates
Solution Approach 1:
The patent applies local quality by selectively introducing specific desirable traits into the PHVPM variety through controlled backcrossing and trait conversion, while maintaining uniformity in other critical plant characteristics such as height, maturity, and architecture. This allows the variety to exhibit enhanced yield and stress resistance in specific traits while preserving the overall uniformity needed for mechanical harvesting
3Ease of manufacture
If advanced breeding methods like backcross conversion and transformation are used, then desired traits can be introduced more efficiently, but the device complexity and process difficulty increase
Solution Approach 1:
The patent applies the intermediary principle by using carefully selected parental inbred lines as mediators to transfer desired traits into the PHVPM variety through backcrossing. These parental lines serve as intermediaries that carry specific traits of interest, allowing efficient trait introduction while managing breeding process complexity through the use of well-characterized intermediate genetic materials
Data Source
AI summary
A novel maize variety designated PHVPM and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PHVPM with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHVPM through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the variety PHVPM or a locus conversion of PHVPM with another maize variety.