Maize Inbred 1PPHF33 Drought Tolerance and Yield Stability
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Solution Overview
Problem
The development of new maize varieties and hybrids is a time-consuming process, taking six to twelve years from the first cross to the delivery of finished seed, and there is a continuous need for stable, high-yielding maize varieties that are agronomically sound and adaptable to various conditions and environments.
Innovation Solution
A novel maize variety, designated 1PPHF33, and processes for making it, including crossing maize variety 1PPHF33 with another maize plant, are provided. This variety can include introgressed traits through backcross conversion, genetic manipulation, and transformation, and can be used to produce hybrid maize seed and plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional maize breeding processes are used, then stable and agronomically sound varieties are developed, but the process takes six to twelve years and is time-consuming
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing inbred line 1PPHF33 with desired traits (drought tolerance, yield stability, adaptability) before hybrid development. This advance preparation of parental material with confirmed desirable characteristics streamlines the breeding process and reduces overall development time while maintaining variety stability.
2Reliability
If traditional maize breeding processes are used, then agronomically sound varieties are developed, but the process is complex and lengthy
Solution Approach 1:
The patent applies parameter changes by utilizing inbred line 1PPHF33 with specifically optimized genetic parameters including heterosis for yield, drought tolerance, and adaptability across different environments. These pre-optimized genetic parameters reduce the complexity of subsequent hybrid development while ensuring agronomic soundness.
3Productivity
If inbred maize variety 1PPHF33 is used as parent, then hybrid maize seed with improved yield and stability is produced, but requires controlled crossing processes
Solution Approach 1:
The patent applies self-service through the use of male sterility systems or detasseling of the female parent (inbred line 1PPHF33) to prevent self-pollination. This self-managing mechanism ensures that only cross-pollination occurs, simplifying the controlled crossing process while maintaining high hybrid yield and stability.
Data Source
AI summary
A novel maize variety designated 1PPHF33 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 1PPHF33 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 1PPHF33 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 1PPHF33 or a locus conversion of 1PPHF33 with another maize variety.