Maize Variety PH13HK Breeding via Marker-Assisted Selection
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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 yield improvement.
Innovation Solution
Development of a novel maize variety, PH13HK, with specific genetic traits introduced through backcross conversion and transformation, focusing on abiotic stress tolerance, disease resistance, and improved agronomic characteristics, along with processes for producing hybrid seeds and plants that incorporate these traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional plant breeding is used to combine desirable traits, then trait combination is achieved, but uniformity of plant characteristics and agronomic quality is insufficient
Solution Approach 1:
The patent applies parameter changes by utilizing molecular markers to track and select for specific genetic parameters (traits) during the breeding process. By changing the selection parameters from purely phenotypic to genotypic-based selection, the patent achieves both trait combination and uniformity of plant characteristics in the resulting maize variety PH13HK
2Productivity
If mechanical harvesting is implemented, then harvesting efficiency is improved, but uniformity of plant characteristics becomes more critical and harder to maintain
Solution Approach 1:
The patent implements feedback mechanisms through molecular marker-assisted selection, where the genetic makeup of plants is continuously monitored and used to guide breeding decisions. This feedback loop ensures that uniformity of plant characteristics is maintained while achieving the desired trait combination, thereby supporting efficient mechanical harvesting
3Reliability
If backcross conversion and transformation are used to introduce specific traits, then disease resistance and stress tolerance are improved, but breeding complexity increases
Solution Approach 1:
The patent uses molecular markers as intermediaries to simplify the backcross conversion and transformation processes. These markers serve as guides that allow breeders to track and select for specific traits (disease resistance, stress tolerance) without having to monitor every genetic detail, thereby reducing breeding complexity while improving reliability
Data Source
AI summary
A novel maize variety designated PH13HK and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PH13HK with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH13HK 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 PH13HK or a locus conversion of PH13HK with another maize variety.