Mandevilla Cultivar Selection for Large Flowers and Compact Growth
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Solution Overview
Problem
Existing Mandevilla plants lack compact growth with large, freely flowering characteristics and good garden performance, necessitating the development of a new cultivar with improved floral and growth traits.
Innovation Solution
A new Mandevilla cultivar, 'TVMD1037', resulting from a controlled cross-pollination of proprietary selection TVMD383 and 'TVMD303', exhibits upright to outwardly spreading habit, moderately vigorous growth, early and continuous flowering, and purplish pink flowers with orangish yellow throats, distinguishing it from other Mandevilla varieties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional Mandevilla breeding methods are used, then existing varieties are produced, but they lack compact growth with large, freely flowering characteristics and good garden performance
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific growth habit parameters (compact, upright to outwardly spreading) and flowering parameters (early and continuous flowering). The new cultivar 'TVMD1037' exhibits these improved parameters through controlled cross-pollination and selective breeding, achieving both compact growth form and high flowering frequency that were not simultaneously present in parent varieties.
2Area of moving object
If larger flowers are bred, then flower size increases, but flowering frequency may decrease
Solution Approach 1:
The patent successfully changed multiple floral parameters simultaneously through breeding. The new cultivar produces flowers that are both larger in size and more frequent in production compared to the female parent TVMD383. This was achieved by selecting for optimal combinations of flower size and flowering frequency from the progeny of controlled cross-pollination.
Solution Approach 2:
The patent employs partial action by selecting specific progeny plants that exhibit the desired balance of large flower size and high flowering frequency, rather than attempting to improve all parameters equally in all offspring. The new cultivar 'TVMD1037' represents a selective achievement where flowering frequency and flower size are both enhanced without compromising each other.
3Productivity
If vigorous growth is selected, then plant size increases, but compactness may be reduced
Solution Approach 1:
The patent applies local quality by differentiating between overall plant vigor and specific growth habits. The new cultivar exhibits vigorous growth in terms of flowering productivity and health, while maintaining a compact, upright to outwardly spreading habit. This is achieved by selecting for localized growth patterns that promote compactness while maintaining overall plant vigor and flowering capacity.
Data Source
AI summary
A new and distinct cultivar of Mandevilla plant named ‘TVMD1037’, characterized by its upright to outwardly spreading plant habit; moderately vigorous to vigorous growth habit; early and freely flowering habit; purplish pink-colored flowers with orangish yellow-colored throats; and good container and garden performance.