Dapconwhi Buddleia Cultivar Stem Strength and Compact Growth
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Solution Overview
Problem
The horticultural industry lacks compact and well-branched Buddleia davidii cultivars suitable for ornamental purposes, with existing varieties either having different growth habits or lacking desired characteristics such as sturdy stems and dense foliage.
Innovation Solution
A new Buddleia davidii cultivar, 'Dapconwhi', was developed through controlled self-pollination, exhibiting white flowers, medium green foliage, and a compact, mounded growth habit, distinguished by its sturdy stems and dense growth, achieved through asexual propagation using terminal stem cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If existing Buddleia davidii varieties are used, then they may have compact growth habit, but they lack sturdy stems and dense foliage structure
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plants with specific phenotypic parameters (stem thickness, foliage density, growth habit) to create a cultivar that simultaneously achieves sturdy stems and compact mounded growth. The breeding program monitored and selected for specific parameter combinations to resolve the contradiction between strength and adaptability.
2Volume of moving object
If compact growth habit is selected, then space efficiency is improved, but branching density and foliage structure deteriorate
Solution Approach 1:
The patent applies local quality by creating a cultivar where different parts of the plant have optimized characteristics: the overall plant maintains compact mounded volume for space efficiency, while specific regions (branches, foliage) exhibit enhanced density and branching patterns. This localized optimization resolves the contradiction between compact size and branching density.
3Stability of the object's composition
If self-pollination is used for breeding, then genetic stability is improved, but phenotypic variation and selection difficulty worsen
Solution Approach 1:
The patent applies self-service by utilizing self-pollination of the parent plant to generate progeny with stable genetic composition. The self-pollination process automatically maintains genetic consistency while allowing phenotypic expression to emerge, enabling the breeder to select for desired traits without introducing external genetic variability. This resolves the contradiction between genetic stability and phenotypic detection.
Data Source
AI summary
A new and distinct variety of Buddleia plant, referred to by its cultivar name, ‘Dapconwhi’, is disclosed. The new variety forms attractive white colored flowers. Attractive, medium green colored foliage is formed. The growth habit is compact, mounded and the plant has moderate growth vigor. The new variety is well suited for providing attractive ornamentation in the landscape.