Coreopsis Sangria Dwarf Cultivar Propagation
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Solution Overview
Problem
There is a need for a new and distinct cultivar of Coreopsis with unique characteristics such as deep ruby red inflorescences and a compact habit that can be consistently reproduced through asexual propagation methods.
Innovation Solution
The cultivar 'Sangria' exhibits medium-sized, deep ruby red, daisy-like inflorescences and a dwarf upright habit, reproduced via asexual propagation techniques like cuttings and tissue culture, ensuring identical characteristics in progeny.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If asexual propagation methods (cuttings and tissue culture) are used to reproduce the cultivar, then identical characteristics are maintained in progeny, but propagation complexity and time increase
Solution Approach 1:
The patent employs tissue culture techniques to create exact genetic copies of the parent plant. This involves taking small tissue samples and multiplying them in controlled laboratory conditions to produce numerous identical plantlets, ensuring complete genetic fidelity without the complexity of traditional seed propagation methods.
Solution Approach 2:
The patent performs preliminary selection and characterization of the parent plant's unique traits (ruby red inflorescences, compact habit, free flowering) before propagation. This ensures that the propagation process targets specific desirable characteristics, allowing for efficient reproduction of the exact cultivar without needing complex verification procedures later.
2Volume of moving object
If the cultivar is selected for compact dwarf habit, then plant size is reduced for ornamental purposes, but flowering capacity and vigor may be compromised
Solution Approach 1:
The patent describes a cultivar that defies the typical trade-off between size and productivity by achieving both compact dimensions (25 cm tall and wide) and high flowering capacity. This represents a parameter change in the plant's growth characteristics, where the compact habit does not come at the expense of flowering vigor,而是 maintains excellent productivity within a small footprint.
Solution Approach 2:
The patent highlights that the compact habit is achieved through controlled stem elongation and branching patterns, while the inflorescences themselves maintain full size and vigor. This local differentiation allows the plant to be compact overall while still producing abundant, large flowers at the appropriate locations.
3Productivity
If the cultivar is selected for free flowering characteristic, then ornamental value increases, but energy resources may be depleted affecting plant health
Solution Approach 1:
The patent describes a cultivar with such vigorous growth and free flowering that it essentially sustains itself. The plant's excellent vigor and compact habit allow it to allocate resources efficiently, maintaining plant health despite continuous flowering. The plant appears to self-regulate its resource allocation to prevent exhaustion.
Data Source
AI summary
A new and distinct Coreopsis plant named ‘Sangria’ characterized by small ruby red inflorescences, and an upright, very dwarf habit.