Impatiens SAKIMP044 Hybrid with Compact Habit and Deep Flower Color
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Solution Overview
Problem
There is a need for a new variety of Impatiens plant that combines deep flower color, compact growth habit, and strong root system, which existing Impatiens varieties fail to provide effectively.
Innovation Solution
The development of the Impatiens hybrid 'SAKIMP044' through interspecific hybridization between proprietary breeding lines 'NE-5331' and 'NI-549-37HB', resulting in red-purple flowers and a compact plant habit, achieved through vegetative propagation and evaluation in controlled greenhouse conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing Impatiens varieties are used, then they have basic flowering capability, but they fail to provide deep flower color, compact growth habit, and strong root system simultaneously
Solution Approach 1:
The patent merges multiple desirable traits from different parent lines through hybridization. The female parent 'NE-5331' contributes salmon-orange flowers and the male parent 'NI-549-37HB' contributes purple flowers and variegated leaves. The hybridization process combines these genetic characteristics to produce offspring with deep red-purple flower color and compact growth habit, simultaneously achieving multiple improvements that neither parent alone possessed.
Solution Approach 2:
The patent changes key phenotypic parameters through selective breeding and hybridization. Flower color intensity is enhanced from salmon-orange and purple parents to deep red-purple in the hybrid. Plant size is reduced to achieve compact growth habit. These parameter changes are stabilized through vegetative propagation, ensuring consistent expression of deep flower color and compact form across generations.
2Reliability
If selective breeding is performed to achieve deep flower color, then flower color intensity improves, but plant stability and true-to-type reproduction may be compromised
Solution Approach 1:
The patent performs preliminary stabilization of desired traits through multiple generations of vegetative propagation before commercial release. Selected plants exhibiting deep red-purple flower color and compact growth are propagated asexually to fix these traits. This preliminary action ensures that the hybrid offspring will reproduce true to type, maintaining stable expression of deep flower color and compact habit in successive generations without further breeding intervention.
3Volume of moving object
If compact growth habit is selected, then plant size is reduced, but root system strength may be compromised
Solution Approach 1:
The patent applies local quality by differentiating between above-ground and below-ground plant characteristics. The compact growth habit is achieved in the above-ground portion through dense foliage and reduced plant height. Simultaneously, the root system is developed to be strong and extensive, providing adequate anchorage and nutrient uptake. This local differentiation allows the plant to maintain compact above-ground form without compromising below-ground strength.
Data Source
AI summary
An impatiens plant particularly distinguished by having red-purple flowers, a compact plant habit, and green leaves, is disclosed.