Hybrid Tea Rose LIMking Breeding for Disease Resistance
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Solution Overview
Problem
There is a need for new hybrid tea rose varieties that are vigorous, resistant to diseases like black spot, and offer distinct ornamental features such as large yellow flowers and a sweet fragrance, which existing varieties do not adequately provide.
Innovation Solution
The development of the Rosa 'LIMking' cultivar, resulting from a breeding program, which exhibits vigorous growth, large yellow flowers, strong resistance to black spot disease, and a sweet fragrance, distinguishing it from other hybrid tea roses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing hybrid tea rose varieties are used, then they provide basic ornamental features, but they lack vigorous growth, disease resistance, and distinct ornamental characteristics like large yellow flowers with sweet fragrance
Solution Approach 1:
The patent applies composite breeding by crossing two distinct rose varieties ('BAIlord' and 'The Finest') to create a hybrid cultivar that combines desirable traits from both parents, including disease resistance, vigorous growth, and distinct ornamental features like large yellow flowers with sweet fragrance
2Area of moving object
If existing hybrid tea rose varieties are used, then they provide standard flower sizes, but they lack large flower diameter with fewer, larger petals
Solution Approach 1:
The patent achieves larger flower diameter by changing the quantitative parameters of the flower through selective breeding, specifically producing flowers approximately 10 cm in diameter with 20-30 larger petals, representing a significant increase in flower size parameters compared to standard varieties
3Loss of time
If existing hybrid tea rose varieties are used, then they provide standard blooming cycles, but they lack earlier blooming cycle and repeated flowering capability
Solution Approach 1:
The patent achieves periodic flowering by breeding a cultivar that blooms repeatedly throughout the growing season rather than once, with flowers opening in sequence and providing continuous ornamental display, thereby reducing the effective loss of time without flowers and increasing overall productivity
4Object-generated harmful factors
If existing hybrid tea rose varieties are used, then they provide basic fragrance, but they lack strong sweet fragrance
Solution Approach 1:
The patent applies local quality by enhancing the fragrance property specifically in the flower petals of the 'LIMking' cultivar, creating a strong sweet fragrance that is localized to the floral portion while maintaining disease resistance in other plant systems
Data Source
AI summary
A new and distinct hybrid tea Rosa cultivar named ‘LIMking’ is disclosed, characterized by large soft yellow flowers with a strong, sweet fragrance. Flowers are around 10 cm in diameter and drop petals cleaning after bloom is finished. Plants are upright, and exhibit good resistance to blackspot diseases. The new variety is a Rosa, normally produced as an outdoor garden or container plant.