Maize Inbred PH13BA Uniformity and Stress Resistance
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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
The development of a novel maize variety, PH13BA, which is homozygous and combines desirable traits through a breeding process involving crossing, backcrossing, and locus conversion, allowing for the introduction of specific desired traits such as drought resistance and disease resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding is used to combine desirable traits, then resistance to diseases and insects, resistance to heat and drought, greater yield, and better agronomic quality can be achieved, but uniformity of plant characteristics such as germination, stand establishment, growth rate, maturity, plant height and ear height may be compromised
Solution Approach 1:
The patent applies parameter changes by modifying specific genetic parameters through targeted breeding strategies. The inbred line PH13BA was developed by changing genetic parameters through multiple generations of selfing and selection, achieving homozygosity at critical loci while maintaining uniformity in plant characteristics such as germination, stand establishment, growth rate, maturity, plant height and ear height, while improving resistance to diseases, insects, heat and drought
2Productivity
If mechanical harvesting is implemented, then crop production efficiency can be improved, but uniformity of plant characteristics becomes increasingly important
Solution Approach 1:
The patent applies parameter changes by selecting and fixing specific phenotypic parameters to ensure uniformity required for mechanical harvesting. The inbred line PH13BA was selected for uniform plant characteristics including germination, stand establishment, growth rate, maturity, plant height and ear height, which are critical parameters for efficient mechanical harvesting operations
3Reliability
If backcross conversion and transformation processes are used to introduce specific traits, then desired traits such as drought resistance and disease resistance can be introduced, but the complexity of the breeding process increases
Solution Approach 1:
The patent applies preliminary action by performing backcross conversion and transformation processes in a systematic sequence. The inbred line PH13BA was developed through preliminary backcrossing to introduce desired traits, followed by transformation processes, and then multiple generations of selfing and selection to stabilize the traits, thereby managing the complexity through a structured approach
Data Source
AI summary
A novel maize variety designated PH13BA and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PH13BA with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH13BA 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 PH13BA or a locus conversion of PH13BA with another maize variety.