Maize Inbred PH2SSP Accelerates Hybrid Development
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Solution Overview
Problem
The development of new maize varieties and hybrids is a time-consuming process, typically taking six to twelve years, and existing technologies face challenges in creating stable, high-yielding maize varieties with desirable traits such as disease resistance, drought tolerance, and improved agronomic characteristics.
Innovation Solution
A novel maize variety, PH2SSP, is developed through careful breeding and selection, incorporating traits like male sterility, disease resistance, and drought tolerance, achieved through backcross conversion, genetic manipulation, and transformation, allowing for the creation of hybrid seeds with enhanced agronomic properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding processes are used to develop new maize varieties, then stable and high-yielding varieties with desirable traits can be achieved, but the process takes six to twelve years which is time-consuming
Solution Approach 1:
The patent applies preliminary action by developing and maintaining a pre-characterized inbred maize line (PH2SSP) with known desirable traits including male sterility, disease resistance, and drought tolerance. This pre-prepared genetic material can be directly used in hybrid development programs, eliminating the need for time-consuming traditional breeding cycles and allowing immediate utilization of the inbred line's traits in hybrid seed production
Solution Approach 2:
The patent utilizes copying by creating identical copies of the PH2SSP inbred maize line through controlled self-pollination and inbreeding. This ensures genetic uniformity and stability across multiple generations and breeding programs, allowing the same proven genetic material to be replicated and distributed without the variability introduced by traditional breeding methods
2Adaptability or versatility
If multiple desirable traits are combined in a single maize variety, then agronomic performance and resistance to diseases and stresses are improved, but the breeding process complexity increases
Solution Approach 1:
The patent merges multiple desirable traits into a single integrated inbred maize line (PH2SSP), including male sterility for hybrid seed production, disease resistance, and drought tolerance. By combining these traits in one pre-developed genetic platform, the patent eliminates the need for separate breeding programs for each trait and simplifies the overall breeding process while maintaining comprehensive agronomic performance
Solution Approach 2:
The PH2SSP inbred maize line serves multiple functions simultaneously: it provides male sterility for hybrid seed production, confers disease resistance, provides drought tolerance, and serves as a parental line for hybrid development. This multi-functionality reduces the need for multiple specialized breeding lines and simplifies breeding program complexity while maintaining broad adaptability
Data Source
AI summary
A novel maize variety designated PH2SSP and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety PH2SSP with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH2SSP through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety PH2SSP or a locus conversion of PH2SSP with another maize variety.