Hibiscus Arionicus Cultivar Breeding for Flower Longevity
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Solution Overview
Problem
Existing Hibiscus rosa-sinensis cultivars lack strong, long-lasting flowers with attractive and uniform flowering habits, and there is a need for new cultivars with improved garden performance and pest/pathogen resistance.
Innovation Solution
The development of a new Hibiscus cultivar 'Arionicus' through cross-pollination of Hibiscus rosa-sinensis 'Camaro' and a proprietary selection, resulting in plants with upright and bushy growth, glossy dark green leaves, large and long-lasting red flowers, and good garden performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing Hibiscus rosa-sinensis cultivars are used, then they are available for cultivation, but they lack strong long-lasting flowers with attractive and uniform flowering habits
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific floral parameters including flower size (10-15 cm diameter), color intensity (red with dark red-purple center), and longevity (7-10 days). The breeding program systematically modified these parameters to achieve the desired combination of large, vibrant, and long-lasting flowers with uniform flowering habits.
2Duration of action of moving object
If new Hibiscus cultivars are developed through breeding programs, then flower size and longevity are improved, but the breeding process requires significant time and resources
Solution Approach 1:
The patent applies preliminary action by conducting controlled cross-pollination between selected parent plants ('Camaro' as female parent and GB 2006-4715 as male parent) in advance to produce the desired cultivar. The preliminary selection of parent plants with complementary traits and the controlled breeding process accelerated the development of 'Arionicus' with improved flower longevity compared to conventional breeding methods.
3Stability of the object's composition
If Hibiscus plants are propagated through asexual reproduction, then genetic stability is maintained, but resistance to common pathogens and pests is not developed
Solution Approach 1:
The patent applies the taking out principle by separating the function of genetic stability (achieved through asexual propagation of selected clones) from the function of disease resistance (which would require sexual recombination). The breeding program extracted and fixed desirable traits including moderate vigor and tolerance to environmental conditions while accepting that specialized pathogen resistance requires separate breeding objectives.
4Area of moving object
If Hibiscus plants are bred for large flower size, then flower attractiveness is improved, but plant vigor may be reduced
Solution Approach 1:
The patent applies local quality by concentrating resources on developing large flowers (10-15 cm diameter) in specific locations (terminal and axillary positions) while maintaining moderate overall plant vigor. The cultivar 'Arionicus' produces 1-3 flowers per node with large diameter, achieving local floral excellence without requiring excessive overall plant strength, thus balancing flower size with plant health.
Data Source
AI summary
A new and distinct cultivar of Hibiscus plant named ‘Arionicus’, characterized by its upright to somewhat outwardly spreading plant form; dense and bushy plant habit; glossy dark green-colored leaves; freely, uniform and continuous flowering habit; large red-colored flowers with dark red purple-colored centers; good flower longevity; and good garden performance.