Gaura DGAUDARIP Cultivar Breeding for Branching and Flower Coverage
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Solution Overview
Problem
There is a need for new Gaura lindheimeri cultivars with improved branching, flower coverage, habit, size, and flowering time that differ from existing varieties in terms of flower color, foliage darkness, and stem length.
Innovation Solution
The development of the Gaura lindheimeri cultivar 'DGAUDARIP' through controlled breeding, which exhibits excellent branching, abundant flower coverage, semi-upright habit, compact-medium size, and early flowering, with distinct pink flowers and darker foliage compared to its parents and commercial comparators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional Gaura varieties are used, then they have simple growth habits and later flowering, but they lack abundant flower coverage and good branching
Solution Approach 1:
The patent applies parameter changes by selectively breeding plants with modified growth parameters to achieve abundant flower coverage and improved branching patterns. The breeding program selected parent plants with specific genetic traits that, when combined, produced offspring with enhanced flowering characteristics and branching structure, transforming the original parameters of flower quantity and branch arrangement.
2Length of stationary object
If Gaura varieties with longer stems are used, then they have taller growth, but they lose compact habit and uniformity
Solution Approach 1:
The patent applies local quality by creating variations in stem length across different parts of the plant while maintaining overall compact habit. The breeding selected for differentiated stem characteristics where lower stems remain short to maintain compactness while upper stems extend appropriately to support flower display, achieving local optimization of stem length throughout the plant structure.
3Duration of action of moving object
If Gaura varieties with later flowering are used, then they have extended flowering season, but they lose early flowering advantage
Solution Approach 1:
The patent applies preliminary action by inducing early flowering through controlled environmental conditions and hormonal treatments during the growing season. The breeding program selected parent plants with genetic predisposition for early flowering, and applied preliminary cultural practices such as temperature control and light management to accelerate bud development and achieve early flowering while maintaining extended season duration.
4Illumination intensity
If Gaura varieties with lighter foliage are used, then they have better light penetration, but they lack darker foliage aesthetic
Solution Approach 1:
The patent applies color changes by selecting and breeding for darker foliage pigmentation through genetic selection. The breeding program identified parent plants with enhanced anthocyanin or chlorophyll content producing darker green or purplish foliage, and propagated these traits through controlled crossing and selection, achieving stable dark foliage coloration that provides both aesthetic value and adequate light penetration for plant health.
Data Source
AI summary
A new and distinct cultivar of Gaura plant named ‘DGAUDARIP’ is disclosed, characterized by a semi-upright habit, and very good branching. Plants produce abundant, deep pink colored flowers and begin to bloom carly, from spring to summer. The new cultivar is a Gaura, normally produced as an outdoor garden or container plant.