Grandiflora Rose Meikanaro Trait Combination
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Solution Overview
Problem
There is a need for a new variety of Rosa hybrida Grandiflora rose plant that combines desirable characteristics such as vigorous growth, bushy habit, attractive blossoms, disease resistance, and distinct ornamentation, which existing varieties fail to provide effectively.
Innovation Solution
The new Rosa hybrida Grandiflora rose plant, named 'Meikanaro', is created through artificial pollination of 'Bucbi', 'Meipsilon', and 'Meironsee' varieties, resulting in a plant with vigorous vegetation, bushy growth, conical buds, abundant and continuous yellow to cream yellow double blossoms, dense glossy foliage, and good disease resistance, suitable for landscape ornamentation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing rose varieties are used, then some desirable characteristics may be present, but they fail to provide vigorous growth, bushy habit, abundant continuous blossoms, and disease resistance simultaneously
Solution Approach 1:
The patent combines multiple desirable characteristics from different parent varieties into a single new variety. The female parent contributes vigorous growth and bushy habit, while the male parent contributes abundant continuous blossoms and disease resistance. This merging of traits resolves the contradiction by creating a plant that simultaneously exhibits all desired characteristics rather than requiring separate varieties for each trait.
Solution Approach 2:
The patent utilizes controlled pollination parameters to achieve specific trait combinations. By selecting particular parent varieties with known characteristics and controlling the pollination process, the inventor changes the genetic parameters of the offspring to produce a new variety with optimized traits for vigorous growth, bushy habit, abundant blossoms, and disease resistance.
2Manufacturing precision
If selective study is performed to identify the new variety, then the desired characteristics can be achieved, but the process requires significant time and effort
Solution Approach 1:
The patent applies preliminary action by conducting controlled pollination between selected parent varieties before the actual variety identification. The female parent is prepared by crossing 'Bucbi' and 'Meipsilon', and the male parent is prepared as 'Meironsee'. This preliminary preparation of parent materials with known desirable characteristics streamlines the subsequent selective study process, reducing the time needed to identify the single plant with all desired traits.
3Stability of the object's composition
If the new variety is propagated asexually, then stable true-to-type characteristics are maintained, but the propagation process requires multiple techniques and careful maintenance
Solution Approach 1:
The patent employs asexual propagation methods (budding, grafting, cuttings) to create copies of the new variety that are genetically identical to the parent plant. This copying process maintains the stability of desirable characteristics such as vigorous growth, bushy habit, abundant blossoms, and disease resistance. The propagation techniques allow the variety to be reproduced true-to-type without the genetic variation that would occur through sexual reproduction.
Data Source
AI summary
A new and distinct variety of Grandiflora rose plant is provided that abundantly and substantially continuously forms attractive double blossoms that are yellow finishing to cream yellow in coloration. The vegetation is vigorous and a bushy growth habit is displayed. Attractive conical buds are formed, and the disease resistance is good. The plant is particularly well suited for providing distinctive attractive ornamentation in the landscape.