Wheat Variety Breeding for Stable Multi-Trait Performance
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Solution Overview
Problem
Existing wheat varieties often lack a combination of desirable traits such as high seed yield, disease resistance, drought tolerance, and improved milling properties, making them less adaptable to various agricultural conditions and uses.
Innovation Solution
Development of the wheat variety 6PDJZ35B, which is homozygous and stable, combining traits like disease resistance, drought tolerance, and improved milling properties through genetic modification and breeding techniques, including locus conversions and transgenic approaches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional wheat breeding is used to combine desirable traits, then trait combination is achieved, but the process is time-consuming and complex with numerous intervention steps
Solution Approach 1:
The patent applies preliminary action by pre-establishing a set of desirable traits in the parental germplasm before the breeding process begins. The parental lines are selected and prepared in advance to contain specific combinations of traits (disease resistance, drought tolerance, yield potential, milling properties), which then serve as the foundation for rapid development of the new variety without requiring numerous sequential intervention steps during the breeding process.
2Adaptability or versatility
If multiple breeding steps and interventions are applied, then desired traits are combined, but the complexity of the breeding program increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct modular components: (1) selection of parental germplasm with specific traits, (2) controlled cross-pollination to combine traits, (3) evaluation and selection of progeny, and (4) variety release. This segmentation allows each step to be independently managed and optimized, reducing the overall complexity of coordinating multiple breeding interventions.
3Adaptability or versatility
If conventional breeding methods are used, then trait combination is achieved, but the variety development process lacks efficiency
Solution Approach 1:
The patent applies parameter changes by modifying key breeding parameters including: (1) using controlled cross-pollination instead of natural pollination to ensure precise trait combination, (2) implementing multi-location field testing to evaluate traits under diverse environmental conditions, and (3) employing molecular markers or genomic selection to accelerate the identification of desirable progeny. These parameter changes significantly improve the efficiency of variety development while maintaining trait combination accuracy.
Data Source
AI summary
A wheat variety designated 6PDJZ35B, the plants and seeds of wheat variety 6PDJZ35B, methods for producing a wheat plant produced by crossing the variety 6PDJZ35B with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety 6PDJZ35B with another wheat line or plant, and the creation of variants by backcrossing, mutagenesis or transformation of variety 6PDJZ35B are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety 6PDJZ35B and to wheat varieties or breeding lines produced by those methods are also provided.