Echinacea Mistral Compact Cultivar with Branched Peduncles
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Solution Overview
Problem
There is a need for a compact, high-flowering Echinacea purpurea cultivar with distinctive red-purple flowers and strong peduncles that can thrive in various horticultural conditions, as existing cultivars may lack these specific characteristics or be less adaptable.
Innovation Solution
A new cultivar, 'Mistral', derived from a naturally occurring branch mutation of 'Kim's Knee High', exhibiting extremely compact growth, rich flowering due to branched peduncles, and strong peduncles, which has been asexually reproduced through tissue culture and retains its characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Echinacea purpurea cultivars are used, then they may have adequate flowering, but they lack compact growth habit and distinctive red-purple flower color
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a natural mutation that exhibits altered growth parameters (compact habit, reduced height) and floral parameters (red-purple color). Through tissue culture propagation, these parameter changes are consistently maintained across generations, creating a stable cultivar with the desired compact shape while preserving adaptability.
2Productivity
If existing Echinacea purpurea cultivars are used, then they may have adequate stem strength, but they lack branched peduncles and rich flowering
Solution Approach 1:
The patent applies segmentation by developing a cultivar with branched peduncles instead of a single main stem. This creates multiple flowering sites (segments) on each plant, increasing the total number of flowers and productivity. The segmentation is achieved through natural mutation and selected during propagation to ensure both branching and peduncle strength are maintained.
3Reliability
If existing Echinacea purpurea cultivars are used, then they may have adequate hardiness, but they lack tolerance to higher temperatures and consistent performance
Solution Approach 1:
The patent applies self-service through in vitro propagation via tissue culture, which allows the plant to self-replicate with genetic stability. This propagation method ensures that the temperature tolerance and performance consistency traits are reliably transmitted to subsequent generations without variation, as the tissue culture process maintains genetic fidelity of the selected mutant plant.
Data Source
AI summary
An Echinacea cultivar particularly distinguished by its extremely compact growth, red-purple flowers, very rich flowering due to branched peduncles and strong peduncles, is disclosed.