Inbred Corn Line 7MMSM0012 Breeding Efficiency
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Solution Overview
Problem
The development of new inbred corn lines is a slow and costly process that requires expertise, and existing inbred parent corn lines lose commercial competitiveness over time, necessitating the need for improved germplasm with enhanced yield, disease resistance, and adaptability.
Innovation Solution
The introduction of the inbred corn line 7MMSM0012, which is a yellow dent inbred corn line with specific physiological and morphological characteristics, along with methods for producing and treating seeds to increase resistance to stress conditions, and techniques for breeding and hybrid production to enhance yield and uniformity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional inbreeding techniques are used to develop new inbred corn lines, then existing inbred parent corn lines can be improved, but the process is slow and costly and existing lines lose commercial competitiveness over time
Solution Approach 1:
The patent applies preliminary action by developing and preserving elite inbred corn lines (such as 7MMSM0012) in advance with predetermined desirable traits including disease resistance, yield potential, and adaptability. These pre-developed lines are maintained in germplasm repositories and can be rapidly deployed for hybrid production without requiring time-consuming traditional inbreeding processes, thus resolving the contradiction between achieving reliable disease resistance and reducing breeding time
2Reliability
If traditional inbreeding techniques are used to develop new inbred corn lines, then existing inbred parent corn lines can be improved, but the process is slow and costly
Solution Approach 1:
The patent applies copying by creating multiple copies and propagations of elite inbred corn lines (such as 7MMSM0012) through tissue culture and in vitro regeneration techniques. This allows rapid multiplication of superior genotypes without repeating the slow traditional inbreeding process, thereby maintaining high yield reliability while significantly improving breeding productivity and reducing costs
3Adaptability or versatility
If existing inbred parent corn lines are used, then commercial competitiveness can be maintained, but they lose competitiveness over time necessitating improved germplasm
Solution Approach 1:
The patent applies parameter changes by continuously developing new inbred corn lines (such as 7MMSM0012) with improved genetic parameters including enhanced disease resistance, higher yield potential, and broader environmental adaptability. These parameter improvements are achieved through advanced breeding techniques and molecular marker-assisted selection, allowing the germplasm to maintain commercial competitiveness while adapting to changing agricultural conditions and market demands
Data Source
AI summary
An inbred corn line, designated 7MMSM0012, the plants and seeds of the inbred corn line 7MMSM0012, methods for producing a corn plant, either inbred or hybrid, produced by crossing the inbred corn line 7MMSM0012 with itself or with another corn plant, and hybrid corn seeds and plants produced by crossing the inbred line 7MMSM0012 with another corn line or plant and to methods for producing a corn plant containing in its genetic material one or more transgenes and to the transgenic corn plants produced by that method. This invention also relates to inbred corn lines derived from inbred corn line 7MMSM0012, to methods for producing other inbred corn lines derived from inbred corn line 7MMSM0012 and to the inbred corn lines derived by the use of those methods.