Coleus Docogrefang Cultivar Variegated Leaf Coloration
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Solution Overview
Problem
There is a need for a new and distinct cultivar of Coleus plant that exhibits unique characteristics such as compact to trailing growth habit, variegated leaves, and good garden performance, which are not met by existing varieties like 'Docogrefayo', 'Docogrefalig', 'Witch Doctor', and 'Copper'.
Innovation Solution
A naturally occurring whole plant mutation of Solenostemon scutellarioides, designated as 'Docogrefang', with specific traits including greyed purple, greyed orange, and light yellow leaves with light green margins, achieved through asexual reproduction by terminal cuttings, providing a distinct phenotype that differs from other Coleus varieties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Coleus varieties are used, then certain growth habits or leaf colors are achieved, but unique combination of compact trailing habit and specific variegated leaf colors is not obtained
Solution Approach 1:
The patent applies local quality by creating a plant with distinct regional color variations across different parts of the leaf. The leaf displays greyed purple in the center, greyed orange in intermediate zones, and light green margins, with light yellow variegation. This spatial distribution of different colors and textures within a single leaf structure resolves the contradiction by achieving both unique adaptability (compact trailing habit) and precise manufacturing quality (specific variegated color pattern).
Solution Approach 2:
The patent employs composite materials principle by combining multiple pigment types and leaf tissue structures within a single plant variety. The greyed purple, greyed orange, and light green variegated leaves with light green margins represent a composite of different pigmented tissues. This composite structure enables the plant to simultaneously exhibit the desired compact trailing growth habit and the precise multi-color leaf pattern, resolving the technical contradiction between adaptability and manufacturing precision.
2Manufacturing precision
If naturally occurring mutations are selected, then unique phenotypic traits are obtained, but stability of reproduction across generations must be verified
Solution Approach 1:
The patent applies self-service by allowing the naturally occurring mutation to propagate itself through asexual reproduction by terminal cuttings. The mutant plant's unique phenotype (compact trailing habit and variegated leaf colors) reproduces true to type without requiring external intervention or complex breeding programs. This self-propagating mechanism resolves the contradiction by demonstrating that the unique phenotype is inherently stable and reliable across generations, as the plant serves its own reproduction needs while maintaining phenotypic consistency.
3Manufacturing precision
If distinct leaf color variations are achieved, then differentiation from other varieties is improved, but consistency of color expression under varying environmental conditions must be maintained
Solution Approach 1:
The patent applies parameter changes by creating a plant that maintains consistent leaf color expression (greyed purple, greyed orange, light green variegation with light green margins) across varying environmental parameters. The mutant variety demonstrates tolerance to different temperature ranges, light intensities, and humidity conditions while preserving its distinctive color pattern. This resolves the contradiction by showing that the leaf color parameters remain stable despite environmental parameter variations, achieving both manufacturing precision and environmental adaptability.
Data Source
AI summary
A new and distinct cultivar of Coleus plant named ‘Docogrefang’, characterized by its compact to outwardly spreading to trailing plant habit; moderately vigorous growth habit; freely branching habit; variegated leaves that are greyed purple, greyed orange and light yellow with light green-colored margins; and good garden performance.