Soybean Cultivar Trait Stacking to Shorten Breeding Cycles
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Solution Overview
Problem
Existing soybean cultivars lack improved traits such as higher seed yield, disease resistance, drought tolerance, and altered fatty acid profiles, which are essential for enhancing agricultural productivity and nutritional value.
Innovation Solution
Development of a new soybean cultivar 21050703 with specific genetic modifications and breeding techniques to introduce desirable traits like herbicide tolerance, disease resistance, and altered fatty acid composition, combined with advanced molecular biology methods for genetic transformation and introgression of transgenic traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop new soybean cultivars, then genetic diversity can be maintained, but the development process takes 6-12 years and requires multiple crossing generations
Solution Approach 1:
The patent applies preliminary action by pre-introducing desired traits through genetic transformation before conventional breeding begins. Transgenic soybean plants are created with specific traits (herbicide tolerance, disease resistance, altered fatty acid profiles) already integrated into the genome, eliminating the need for multiple generations of crossing and selection to introduce these traits. This preliminary genetic modification accelerates the breeding process while maintaining genetic stability through controlled transformation protocols.
2Productivity
If conventional breeding is used to improve seed yield and nutritional traits, then natural genetic variation is utilized, but the process requires extensive phenotypic screening and selection over multiple generations
Solution Approach 1:
The patent replaces the mechanical system of conventional phenotypic screening and selection with molecular biology methods. Instead of visually screening thousands of plants over multiple generations to identify those with desired yield and nutritional traits, the invention uses genetic transformation to directly introduce and express specific genes controlling these traits. Molecular markers and genetic analysis replace traditional phenotypic observation, dramatically reducing the time required for selection while improving precision in achieving target productivity and nutritional composition.
3Adaptability or versatility
If multiple crossing generations are performed to combine desirable traits, then trait combination is achieved, but the complexity of breeding programs increases and resource requirements escalate
Solution Approach 1:
The patent uses genetic transformation as an intermediary method to directly combine multiple desirable traits in a single step, bypassing the need for sequential crossing. Rather than performing multiple crossing generations to accumulate traits from different parental lines, the invention introduces multiple transgenic elements simultaneously into a single soybean genome through transformation. This intermediary approach simplifies the breeding program structure, reduces the number of crossing operations required, and lowers resource requirements while achieving the same level of trait combination and adaptability.
Data Source
AI summary
A soybean cultivar designated 21050703 is disclosed. The invention relates to the seeds of soybean cultivar 21050703, to the plants of soybean cultivar 21050703, to the plant parts of soybean cultivar 21050703, and to methods for producing progeny of soybean cultivar 21050703. The invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. The invention also relates to soybean cultivars or breeding cultivars, and plant parts derived from soybean cultivar 21050703. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar 21050703, and to the soybean plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid soybean seeds, plants, and plant parts produced by crossing cultivar 21050703 with another soybean cultivar.