CV858395 Corn Variety Breeding Segmentation
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Solution Overview
Problem
Current corn breeding techniques face challenges in developing uniform corn hybrids with desirable traits such as high yield, disease resistance, and uniformity, as they often result in unpredictable performance due to genetic non-uniformity among hybrid plants.
Innovation Solution
The development of the corn variety CV858395, which is an inbred corn plant with specific physiological and morphological characteristics, including cytoplasmic male sterility and heritable traits like herbicide tolerance and disease resistance, is achieved through backcrossing and genetic transformation techniques, ensuring stability and uniformity in progeny.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination is used to combine desirable traits from different plants, then genetic diversity and trait combination are improved, but uniformity and predictability of hybrid performance deteriorate
Solution Approach 1:
The breeding process is segmented into distinct phases: creating inbred lines through self-pollination, then crossing those inbreds to create uniform F1 hybrids. This segmentation allows each phase to be optimized independently, ensuring uniformity within F1 hybrids while maintaining trait combination capabilities.
Solution Approach 2:
Inbred lines are developed through preliminary self-pollination and selection before the actual hybrid crossing. This preliminary action ensures that the parental lines are genetically uniform and stable, which then guarantees uniformity in the resulting F1 hybrids and predictable performance.
2Stability of the object's composition
If self-pollination is used to develop homozygous inbred plants, then uniformity and genetic stability are improved, but productivity and yield potential deteriorate
Solution Approach 1:
The breeding system dynamically switches between self-pollination (for developing uniform inbreds) and cross-pollination (for producing high-yielding F1 hybrids). This dynamic approach allows the system to achieve both genetic stability in inbreds and high productivity in F1 hybrids, which are then used for commercial seed production.
Solution Approach 2:
The pollination mode is changed as a key parameter between different breeding stages. Self-pollination is used when genetic uniformity is the priority (inbred development), while cross-pollination is used when heterosis and yield potential are prioritized (F1 hybrid production).
3Reliability
If extensive breeding programs are implemented to develop superior inbred plants, then desirable characteristics are improved, but device complexity and breeding program requirements deteriorate
Solution Approach 1:
The breeding program uses copying of successful inbred lines and their F1 hybrids to establish commercial varieties. Once a superior inbred line is developed, it can be repeatedly crossed with appropriate partners to produce multiple F1 hybrid varieties, effectively copying the success of the original breeding work across multiple products.
Data Source
AI summary
According to the invention, there is provided seed and plants of the corn variety designated CV858395. The invention thus relates to the plants, seeds and tissue cultures of the variety CV858395, and to methods for producing a corn plant produced by crossing a corn plant of variety CV858395 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety CV858395 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety CV858395.