Miniature Rose Breeding for Uniform Red Flowers in Small Containers
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Solution Overview
Problem
Existing rose cultivars lack uniform and abundant red flowers, vigorous yet compact growth, suitability for small containers, and exceptional disease resistance.
Innovation Solution
A new rose variety, 'Poulty038', developed through controlled crossing, exhibiting unique qualities such as uniform red flowers, compact growth, and exceptional disease resistance, suitable for commercial production in small containers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing rose cultivars are used, then they have established growth patterns, but they lack uniform and abundant red flowers, vigorous yet compact growth, suitability for small containers, and exceptional disease resistance
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific growth parameters (height, spread, flowering habits) to create a cultivar that simultaneously achieves compact size for container suitability and vigorous growth for disease resistance. The 'Poulty038' variety exhibits controlled height (23 cm) and spread while maintaining robust health, resolving the contradiction between size constraints and disease resistance.
2Productivity
If rose varieties are bred for vigorous growth, then they show strong health and disease resistance, but they become too large for small containers
Solution Approach 1:
The breeding process optimizes the ratio between flower production and plant size by selecting for high flower abundance within constrained height parameters. 'Poulty038' produces uniform, abundant red flowers while maintaining a height of only 23 cm, achieving productivity without excessive vertical growth.
Solution Approach 2:
The cultivar exhibits local quality by concentrating growth resources into intensive flower production rather than extensive vegetative growth. The plant directs energy toward producing uniform, abundant blooms within a compact form, creating high local density of flowers without increasing overall plant height.
3Shape
If rose varieties are bred for compact growth, then they fit small containers, but they lose vigorous growth and disease resistance
Solution Approach 1:
The patent achieves compactness without sacrificing health by changing the growth parameter distribution - reducing height and spread while maintaining root system vigor and immune function. 'Poulty038' demonstrates that compact morphology (23 cm height) and strong disease resistance are not mutually exclusive when breeding parameters are optimized.
Data Source
AI summary
A new garden rose plant of the Miniature class which has abundant, red flowers and attractive foliage. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation.