Hibiscus syriacus MINDOUB1 Cultivar Double Flower Traits
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Solution Overview
Problem
There is a need for new cultivars of Hibiscus syriacus that exhibit large double flowers, as existing cultivars may lack desired traits such as flower size, color, and sterility.
Innovation Solution
The development of the Hibiscus syriacus 'MINDOUB1' cultivar, resulting from a cross between 'Notwoodtwo' and 'Leopoldii', which features medium-sized double white flowers with a pink-purple flush, sterile flowers, an upright growth habit, and vigorous growth, achieved through asexual propagation by grafting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a cross between 'Notwoodtwo' and 'Leopoldii' is performed to develop new Hibiscus cultivars, then new floral characteristics (double flowers with pink-purple flush, sterility) are achieved, but flower size is reduced to medium rather than large
Solution Approach 1:
The patent applies local quality by introducing specific coloration (pink-purple flush) and floral structure (double flowers) as localized characteristics in the 'MINDOUB1' cultivar, while accepting a trade-off in overall flower size. The breeding program selectively emphasized these specific floral qualities over maximum size.
Solution Approach 2:
The patent employs parameter changes by altering floral parameters through controlled crossing - changing flower color (white with pink-purple flush), flower structure (double flowers), and fertility status (sterile). These parameter modifications were achieved through selective breeding between 'Notwoodtwo' and 'Leopoldii'.
2Volume of moving object
If existing Hibiscus cultivars are used, then large flower size may be achieved, but desired traits such as sterility and specific coloration are lacking
Solution Approach 1:
The patent applies merging by combining multiple desirable traits from different parent cultivars into the 'MINDOUB1' offspring. The cross between 'Notwoodtwo' and 'Leopoldii' merged characteristics to produce double flowers with pink-purple flush and sterility, creating a new combination of traits not present in either parent alone.
Solution Approach 2:
The patent employs composite materials in the sense of creating a composite genotype that combines genetic material from two different cultivars. The 'MINDOUB1' cultivar represents a composite genetic structure that integrates traits from both parents to achieve the desired floral characteristics.
Data Source
AI summary
A new cultivar of Hibiscus named ‘MINDOUB1’, characterized by its medium sized double flowers that are white in color with a pink-purple flush with occasional irregular markings of pink-purple, its sterile flowers, its upright pant habit, and its vigorous growth habit.