Poultc019 Rose Plant Orange-Red Flower Uniformity
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Solution Overview
Problem
Existing rose cultivars lack uniform and abundant orange-red flowers, compact yet vigorous growth, and exceptional disease resistance, which are desired qualities for garden use.
Innovation Solution
A new rose variety, 'Poultc019', is developed through controlled crossing, characterized by orange-red flowers with 20 petals, compact growth, and enhanced disease resistance, achieved through asexual reproduction and propagation in controlled environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional rose cultivars are used, then they have simple petal structure with fewer petals, but they lack uniform and abundant orange-red flowers
Solution Approach 1:
The patent applies parameter changes by modifying the petal count parameter from the parental range of 7-10 petals to 20 petals in the new variety 'Poultc019'. This quantitative parameter change results in fuller, more abundant flower appearance while maintaining the desired orange-red color uniformity across all petals.
2Strength
If rose plants are propagated for vigorous growth, then they have strong growth habit, but they develop large size rather than compact growth
Solution Approach 1:
The patent achieves compact growth with vigorous habit by changing the growth parameter profile of the plant. The new variety 'Poultc019' exhibits controlled internode elongation and compact branching patterns while maintaining strong root systems and overall vigor, creating a balanced growth phenotype that differs from traditional vigorous but sprawling rose cultivars.
3Reliability
If conventional rose varieties are used, then they have average disease resistance, but they lack exceptional disease resistance to multiple diseases
Solution Approach 1:
The patent applies composite genetic material by combining genetic traits from two different rose seedlings through controlled hybridization. This creates a composite genetic composition in 'Poultc019' that integrates disease resistance genes from both parents, resulting in exceptional multi-disease resistance including black spot, powdery mildew, and rust that exceeds the resistance levels of either parent.
4Shape
If orange-red flowers are developed, then unique flower color is achieved, but uniform color distribution across all petals is difficult to maintain
Solution Approach 1:
The patent achieves uniform orange-red coloration across all 20 petals by stabilizing the pigment production parameters in the new variety. The controlled hybridization and subsequent selection processes have fixed the genetic parameters for anthocyanin and carotenoid synthesis, ensuring consistent orange-red color expression throughout the flower without patchy or uneven color distribution.
Data Source
AI summary
A new garden rose plant of the Ground Cover class which has abundant, orange red flowers and attractive foliage. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation.