Maize Variety PH183G Homozygous Trait Stabilization
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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, PH183G, which is homozygous and combines desirable traits through inbreeding and locus conversion, allowing for the introduction of specific desired traits such as drought resistance and disease resistance, and can be used to produce hybrid seeds with improved agronomic qualities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding is used to combine desirable traits, then disease resistance and drought tolerance can be improved, but uniformity of plant characteristics deteriorates
Solution Approach 1:
The patent applies inbreeding to change the genetic parameter of the maize variety, achieving homozygosity that provides both disease resistance and uniformity. Through multiple generations of self-pollination, the genetic composition stabilizes, allowing desirable traits like disease resistance to be fixed while ensuring uniform plant characteristics across the population.
Solution Approach 2:
The patent performs preliminary selection and inbreeding actions before commercial deployment. By conducting multiple generations of inbreeding and selection in advance, the variety PH183G achieves stable homozygous genetics that simultaneously provide disease resistance and uniformity, eliminating the need for further genetic manipulation in later generations.
2Stability of the object's composition
If inbreeding is used to achieve uniformity, then uniformity of plant characteristics is improved, but genetic diversity deteriorates
Solution Approach 1:
The patent changes the genetic parameter from heterozygous to homozygous through systematic inbreeding. This parameter change achieves uniformity of plant characteristics while concentrating desirable traits. The homozygous state ensures that all plants in the variety express the same traits uniformly, which is essential for mechanical harvesting and consistent agricultural performance.
3Reliability
If multiple desirable traits are combined through breeding, then disease resistance and drought tolerance are improved, but breeding time and complexity deteriorate
Solution Approach 1:
The patent performs preliminary action by completing multiple generations of inbreeding and trait combination in advance to develop the stable variety PH183G. This preliminary work consolidates disease resistance, drought tolerance, and uniformity into a single homozygous variety, eliminating the need for time-consuming breeding operations later. The variety is ready for immediate commercial deployment with all desired traits already integrated.
4Stability of the object's composition
If inbreeding is used to develop a stable variety, then uniformity is improved, but yield potential deteriorates
Solution Approach 1:
The patent changes the genetic parameter to achieve homozygosity, which provides uniformity of plant characteristics. Through careful selection during the inbreeding process, the variety PH183G maintains yield potential while achieving the uniformity necessary for mechanical harvesting. The homozygous state ensures consistent expression of yield-related traits across all plants in the variety.
Data Source
AI summary
A novel maize variety designated PH183G and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PH183G with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH183G 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 PH183G or a locus conversion of PH183G with another maize variety.