Duessplilbor Impatiens Cultivar Mutation Selection
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Solution Overview
Problem
There is a need for new and distinct cultivars of New Guinea Impatiens plants with attractive flowers and good garden performance, as existing varieties may lack uniformity and desirable traits such as compact growth, specific leaf and flower colors, and robust flowering habits.
Innovation Solution
A naturally occurring mutation of Impatiens×hybrida, designated 'Duessplilbor', exhibiting upright and spreading growth, dark green leaves, light purple flowers with a coral star pattern, and vigorous growth, achieved through asexual reproduction by terminal vegetative cuttings, which maintains stability across generations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Impatiens varieties are used, then garden performance is maintained, but flower color uniformity and compactness are insufficient
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a specific mutation (NN-1188-X0000) that exhibits distinct phenotypic parameters including compact plant habit, dark green leaf color, and light purple flower color with coral star pattern. The cultivar 'Duessplilbor' was derived from this mutation through asexual reproduction, fixing these parameters to achieve uniformity across generations while maintaining compactness and color consistency that differs from parent selections and existing varieties.
2Stability of the object's composition
If asexual reproduction by terminal vegetative cuttings is used, then genetic stability is maintained, but production time is extended
Solution Approach 1:
The patent applies copying through asexual reproduction by terminal vegetative cuttings, where new plants are produced as genetic copies of the parent selection NN-1188-X0000. This copying method maintains genetic stability and true-to-type reproduction across successive generations, ensuring that the unique phenotypic characteristics (compact habit, dark green leaves, light purple flowers with coral star pattern) remain consistent while avoiding the variability introduced by sexual reproduction.
3Reliability
If new cultivars are created through planned breeding programs, then desired traits are achieved, but development time is extended
Solution Approach 1:
The patent applies preliminary action by identifying and selecting the desirable mutation NN-1188-X0000 early in the breeding program, before extensive crossing and selection cycles are completed. The mutation was discovered in a controlled greenhouse environment and immediately subjected to asexual reproduction to fix its characteristics. This preliminary identification and selection of the superior genotype accelerated the development of cultivar 'Duessplilbor' compared to traditional multi-generation breeding programs.
Data Source
AI summary
A new and distinct cultivar of Impatiens plant named ‘Duessplilbor’ characterized by its upright, outwardly spreading and mounding plant habit; vigorous growth habit; freely branching habit; dark green-colored leaves; early and freely flowering habit; light purple-colored flowers with coral-colored star pattern; and good garden performance.