Radmor Climbing Rose Breeding for Disease Resistance
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Solution Overview
Problem
Current climbing rose varieties lack desirable characteristics such as attractive semi-double blossoms, vigorous growth, resistance to blackspot, and excellent cold hardiness, making them less suitable for horticultural applications.
Innovation Solution
A new Rosa hybrida climbing rose variety, 'Radmor', was developed through artificial pollination of 'Radsbs' and 'Radspot' parents, exhibiting soft pink semi-double cuplike blossoms, upright growth, vigorous vegetation, semi-glossy foliage, and exceptional resistance to blackspot and cold hardiness, suitable for ornamental use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing climbing rose varieties are used, then they can be grown in parks and gardens, but they lack desirable characteristics such as attractive blossoms, vigorous growth, disease resistance, and cold hardiness
Solution Approach 1:
The patent combines multiple desirable traits from different parent varieties into a single new variety. The 'Radsbs' parent contributed disease resistance and climbing habit, while the 'Radspot' parent contributed blossom quality and color. The resulting 'Radmor' variety merges these characteristics along with vigorous growth and cold hardiness into one unified plant that meets all horticultural requirements.
2Adaptability or versatility
If artificial pollination of selected parents is performed, then a new variety with multiple desirable characteristics is created, but the breeding process requires time and selective study
Solution Approach 1:
The breeders performed preliminary selection and characterization of parent varieties before crossing. The 'Radsbs' and 'Radspot' parents were previously studied and evaluated for their specific traits. This preliminary action ensured that the artificial pollination would produce offspring with the desired combination of characteristics, reducing the time needed for subsequent selection and evaluation.
3Productivity
If climbing rose varieties with vigorous growth are selected, then they produce abundant foliage and blossoms, but they may exhibit poor disease resistance and cold hardiness
Solution Approach 1:
The patent applies local quality by selecting specific parent varieties that excel in particular traits. The 'Radsbs' parent was selected for its disease resistance and climbing vigor, while the 'Radspot' parent was selected for its blossom quality. The resulting 'Radmor' variety exhibits local quality enhancement in each trait area, achieving both vigorous productivity and reliable disease resistance through targeted parental selection.
Data Source
AI summary
A new and distinct variety of rose plant is provided which forms in abundance on a substantially continuous basis attractive cuplike semi-double blossoms that are soft pink and finish to shell pink in coloration. The vegetation is vigorous and the growth habit is upright and climbing. Attractive ornamental green foliage having a semi-glossy appearance is formed. Excellent resistance with respect to blackspot is displayed. The hardiness of the new variety is excellent for a climber. The new variety is particularly well suited for growing as distinctive ornamentation in parks, gardens, and residential settings.