Dianthus KLEDP14205 True-to-Type Reproduction
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Solution Overview
Problem
There is a need for a distinct and stable variety of Dianthus caryophyllus that reproduces true to type through asexual propagation, offering unique floral characteristics and growth habits.
Innovation Solution
The development of the Dianthus variety 'KLEDP14205' from a branch mutation of 'DCP 2010-1006', characterized by red flowers with white margins and an upright form, which is vegetatively propagated and maintains its traits in successive generations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If asexual propagation is used to maintain stable traits, then true-to-type reproduction is achieved, but genetic diversity is reduced
Solution Approach 1:
The plant population is segmented into distinct varieties through asexual propagation, allowing each variety to maintain its unique traits while the overall collection maintains diversity. The patent creates separate varieties (e.g., 'KLEDP14205', 'KLEDP14206') through controlled mutations and propagation, enabling true-to-type reproduction within each variety while maintaining diversity across the collection.
Solution Approach 2:
Different varieties are developed with specific local qualities or characteristics (e.g., flower color, growth habit, hardiness) that are maintained through asexual propagation. Each variety has optimized traits for specific conditions, allowing true-to-type reproduction of those specific qualities while the overall system maintains versatility through the existence of multiple varieties with different local qualities.
2Adaptability or versatility
If new varieties are developed through mutation, then unique characteristics are achieved, but propagation stability may be compromised
Solution Approach 1:
The mutation process is performed preliminarily in controlled conditions (greenhouse environment) before commercial propagation. The patent describes how mutations were induced and selected in a controlled setting (e.g., 'DCP 2010-1006' mutation parent) before the varieties were propagated asexually, ensuring that only stable, reliable mutations were propagated true-to-type through vegetative cuttings.
Solution Approach 2:
The development process incorporates feedback mechanisms where the mutated plant is tested and evaluated for stability and true-to-type reproduction before being propagated. The patent indicates that the mutation parent was subjected to controlled conditions and evaluation (e.g., 'found to reproduce true to type in successive generations') before commercial propagation, ensuring propagation stability is verified before widespread use.
3Reliability
If vegetative cuttings are used for propagation, then true-to-type reproduction is achieved, but rooting time increases
Solution Approach 1:
The propagation process parameters are optimized to reduce rooting time while maintaining true-to-type reproduction. The patent specifies controlled conditions for vegetative cutting propagation (e.g., temperature, humidity, substrate composition) that accelerate root development. The 14-16 day rooting period is achieved through optimized parameters while maintaining 100% true-to-type reproduction through asexual propagation.
Data Source
AI summary
A new Dianthus plant particularly distinguished by red flowers with white margins and an upright form, is disclosed.