Maize Inbred PH1V93 Breeding via Molecular Markers
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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
Development of a novel maize variety, PH1V93, with specific breeding processes and genetic modifications to enhance traits like abiotic stress tolerance, disease resistance, and uniformity, allowing for improved agronomic quality and hybrid production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant breeding is used to combine desirable traits, then resistance to diseases and insects, resistance to heat and drought, reducing the time to crop maturity, greater yield, and better agronomic quality can be achieved, but uniformity of plant characteristics such as germination, stand establishment, growth rate, maturity, plant height and ear height is compromised
Solution Approach 1:
The patent applies parameter changes by utilizing molecular markers and genomic selection to identify and select plants with specific genetic parameters that confer desired traits. By changing the selection parameters from traditional phenotypic selection to genotypic selection based on molecular markers, the breeding process achieves both trait combination and uniformity in plant characteristics.
Solution Approach 2:
The patent replaces traditional mechanical/phenotypic selection methods with molecular biological tools including DNA markers, PCR techniques, and genomic analysis. This substitution allows for more precise and uniform selection of plants with desired characteristics, overcoming the limitations of traditional breeding in achieving uniformity.
2Reliability
If traditional plant breeding is used to combine desirable traits, then resistance to diseases and insects, resistance to heat and drought, reducing the time to crop maturity, greater yield, and better agronomic quality can be achieved, but mechanical harvesting efficiency is compromised due to lack of uniformity
Solution Approach 1:
The patent changes the selection parameters to include uniformity traits such as plant height, ear height, and maturity timing as key selection criteria. By using molecular markers to select for plants with uniform characteristics, the breeding program ensures that the resulting varieties are suitable for efficient mechanical harvesting while maintaining disease and insect resistance.
Solution Approach 2:
The patent substitutes traditional phenotypic selection with molecular genetic selection to achieve uniform plant characteristics that facilitate mechanical harvesting. This replacement of selection methods ensures consistent plant morphology and maturity timing, which are critical for mechanical harvesting efficiency.
3Adaptability or versatility
If conventional breeding methods are used, then crop variety development is achieved, but the complexity of combining multiple desirable traits simultaneously increases
Solution Approach 1:
The patent applies segmentation by breaking down the complex breeding process into manageable steps: identifying molecular markers for desired traits, selecting plants based on these markers, and verifying traits through genomic analysis. This segmentation of the breeding process reduces overall complexity while enabling the combination of multiple desirable traits.
Solution Approach 2:
The patent introduces molecular markers as intermediaries between the desired traits and the selection process. These markers serve as mediators that simplify the identification and selection of plants with multiple desirable traits, reducing the complexity of the breeding process by providing objective, measurable criteria for selection.
Data Source
AI summary
A novel maize variety designated PH1V93 and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PH1V93 with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH1V93 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 PH1V93 or a locus conversion of PH1V93 with another maize variety.