Inbred Corn Line BB93 Stabilization for Drought Tolerance
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Solution Overview
Problem
The development of new corn inbred lines is hindered by the unpredictability of genetic traits due to environmental factors and the complexity of inheritance, leading to high research costs and lengthy breeding processes, with existing methods struggling to efficiently combine desirable traits like yield, disease resistance, and drought tolerance.
Innovation Solution
The introduction of the inbred corn line BB93, which is a yellow dent corn with superior characteristics, including high yield, drought tolerance, and resistance to stalk and root lodging, achieved through a combination of traditional breeding methods and potential genetic modification techniques, such as backcrossing and transgenic approaches, to stabilize desirable traits across different environmental conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional breeding methods are used to combine desirable traits, then genetic diversity is improved, but the breeding process becomes time-consuming and unpredictable
Solution Approach 1:
The patent creates a standardized inbred line BB93 with pre-stabilized desirable traits (high yield, drought tolerance, lodging resistance) that can be directly used as a parental line. This preliminary development of a ready-to-use genetic foundation eliminates the need for time-consuming trait combination experiments in subsequent breeding programs.
Solution Approach 2:
The inbred line BB93 represents a specific genetic parameter configuration that has been optimized for multiple traits simultaneously. By fixing these genetic parameters in a stable inbred line, breeders can reliably predict and achieve desired outcomes without repeated trial and error cycles.
2Stability of the object's composition
If multiple breeding cycles are performed to stabilize traits, then trait consistency is improved, but research costs increase
Solution Approach 1:
The inbred line BB93 has already undergone multiple breeding cycles and stabilization processes during its development. This preliminary stabilization work is completed once, and the resulting line can be repeatedly used without requiring additional stabilization cycles, thereby amortizing the research costs over many breeding applications.
Solution Approach 2:
The standardized inbred line BB93 serves as a reusable genetic template that can be copied and used in multiple breeding programs. Once the desirable trait combination is established in BB93, this genetic configuration can be replicated across different breeding projects without repeating the expensive stabilization process.
3Measurement precision
If environmental factors are controlled to predict genetic traits, then measurement precision is improved, but breeding program complexity increases
Solution Approach 1:
The inbred line BB93 has been developed with stabilized genetic parameters that reduce the influence of environmental variability on trait expression. This genetic stabilization allows for more accurate prediction of trait inheritance without requiring complex environmental control measures.
Solution Approach 2:
The inbred line BB93 inherently possesses stable and consistent trait expression that does not require complex external management or environmental controls to predict outcomes. The line's genetic constitution itself provides the stability needed for accurate prediction, eliminating the need for additional complexity in breeding program management.
Data Source
AI summary
An inbred corn line, designated BB93, is disclosed. The invention relates to the seeds of inbred corn line BB93, to the plants and plant parts of inbred corn line BB93 and to methods for producing a corn plant, either inbred or hybrid, by crossing inbred corn line BB93 with itself or another corn line. The invention also relates to products produced from the seeds, plants, or parts thereof, of inbred corn line BB93 and/or of the hybrids produced using the inbred as a parent. The invention further relates to methods for producing a corn plant containing in its genetic material one or more transgenes and to the transgenic plants produced by that method and to methods for producing other inbred corn lines derived from inbred corn line BB93.