New Guinea Impatiens Cultivar Duessppink Traits
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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 desirable traits such as compact growth habit, vigorous flowering, and specific flower colors.
Innovation Solution
The development of a new cultivar, 'DUESSPPINK', which is a naturally occurring mutation of Impatiens hawkeri, characterized by a moderately compact, upright, and freely branching habit with dark green leaves and rose pink flowers, achieved through asexual reproduction by terminal vegetative cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Impatiens varieties are used, then basic flowering is achieved, but desirable traits such as compact growth habit, vigorous flowering, and specific flower colors are lacking
Solution Approach 1:
The patent applies parameter changes by selecting and stabilizing specific genetic traits through asexual reproduction. The cultivar 'Duessppink' exhibits modified parameters including compact growth habit (reduced plant height and spread), vigorous flowering (increased flower production rate), and specific flower color (rose pink with distinct pigmentation). These parameter changes are maintained true-to-type across generations through vegetative propagation, resolving the contradiction between adaptability and productivity.
2Adaptability or versatility
If mutation breeding is used to create new traits, then novel flower colors and growth habits are achieved, but stability of characteristics across generations may be compromised
Solution Approach 1:
The patent employs copying through asexual reproduction by terminal vegetative cuttings to preserve the novel traits discovered in the mutation. The selected plant with rose pink flowers and compact habit is propagated by taking cuttings that are cloned to produce genetically identical offspring. This copying mechanism ensures that the unique combination of traits (novel flower color, compact growth habit, vigorous flowering) is replicated true-to-type across generations, resolving the stability concern while maintaining the novelty achieved through mutation.
Data Source
AI summary
A new and distinct cultivar of Impatiens plant named ‘Duessppink’ characterized by its moderately compact, upright, outwardly spreading and mounding plant habit; vigorous growth habit; freely branching habit; dark green-colored leaves; freely and early flowering habit; rose pink-colored flowers; and good garden performance.