Coreopsis ‘Baluptold’ Vegetative Propagation for Stable Traits
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Solution Overview
Problem
There is a need for a new and distinct cultivar of Coreopsis hybrida that exhibits unique characteristics such as upright and mounded plant habit, moderately vigorous growth, freely branching, and bright yellow ray florets, which differ from existing cultivars like 'Baluptgonz' and 'Baluptowed', and demonstrates good garden performance.
Innovation Solution
The development of a new Coreopsis cultivar named 'Baluptold', which is a naturally-occurring mutation of 'Baluptgonz', characterized by its stable vegetative propagation and distinct traits including upright and mounded plant habit, bright yellow ray florets, and freely branching habit, suitable for controlled environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a new Coreopsis cultivar is developed with bright yellow ray florets and upright plant habit, then aesthetic value and garden performance are improved, but the complexity of achieving stable unique characteristics through mutation selection increases
Solution Approach 1:
The patent utilizes a naturally-occurring mutation that arose spontaneously in the plant population without human intervention. The mutation selected for bright yellow ray florets and upright plant habit occurred naturally, and the inventor simply identified and propagated this self-selected variant through vegetative cutting, eliminating the need for complex breeding programs or genetic manipulation techniques.
Solution Approach 2:
The patent employs vegetative propagation through stem cuttings to reproduce the mutant plant. This asexual reproduction method creates exact genetic copies of the selected mutant, ensuring that the unique characteristics (bright yellow ray florets, upright habit) are stably inherited in successive generations without the variability introduced by sexual reproduction.
2Stability of the object's composition
If the new cultivar 'Baluptold' is propagated through vegetative cuttings to maintain stability, then genetic consistency is improved, but the time required to produce rooted young plants increases
Solution Approach 1:
The patent specifies that stem cuttings should be taken and rooted in advance before transplanting to the final container. By performing the rooting process beforehand in a controlled environment (with bottom heat and humidity as needed), the propagation time is managed efficiently, and plants are ready for sale or planting without delay.
Solution Approach 2:
The patent employs controlled environmental parameters during propagation, including maintaining bottom heat (temperature) and humidity levels, to accelerate root development. These parameter optimizations reduce the time required for cuttings to establish roots while ensuring genetic stability through asexual reproduction.
3Manufacturing precision
If the plant is grown in controlled environments to ensure trait stability, then phenotypic consistency is improved, but the cost of production increases
Solution Approach 1:
The patent applies controlled environmental conditions (bottom heat, humidity control) only during the critical propagation phase when cuttings are rooting, rather than maintaining such controls throughout the entire plant lifecycle. This partial application of controlled conditions ensures phenotypic consistency during the most sensitive period while minimizing overall production costs.
Data Source
AI summary
A new and distinct cultivar of Coreopsis plant named ‘Baluptold’, characterized by its upright and mounded plant habit; moderately vigorous growth habit; freely branching habit; medium green-colored leaves; freely flowering habit with numerous inflorescences per plant; single-type daisy inflorescences with bright yellow-colored ray florets; and good garden performance.