Aster Yosloopy Cultivar Uniform Mounded Habit and Floret Color
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Solution Overview
Problem
Existing Aster cultivars lack uniform growth habits, desirable floret colors, and consistent flowering responses, which affects their garden performance and aesthetic appeal.
Innovation Solution
The development of the Aster hybrida cultivar 'Yosloopy' with a uniform, spreading plant habit, dark green foliage, and light violet blue-colored ray florets, which is more mounding and rounded than other cultivars, with improved floret color retention and delayed flowering, achieved through open-pollination and asexual reproduction by vegetative tip cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing Aster cultivars are used, then they have basic flowering capability, but they lack uniform growth habits and consistent flowering responses
Solution Approach 1:
The patent applies parameter changes by selecting and stabilizing specific genetic parameters through controlled breeding. The cultivar 'Yosloopy' was developed by open-pollination of White Swan with an unknown Aster hybrida seedling, then selecting and asexually reproducing plants that exhibited the desired uniform mounded growth habit and consistent flowering response. This genetic parameter stabilization achieves both reliable flowering and uniform growth.
2Reliability
If existing Aster cultivars are used, then they have basic floret color, but they lack desirable and unique floret colors with good retention
Solution Approach 1:
The patent changes the color parameter by developing a novel light violet blue ray floret color through controlled breeding. The selected plant exhibited this unique coloration which was then stabilized through asexual reproduction, ensuring both the uniqueness and reliable retention of the floret color in subsequent generations.
Solution Approach 2:
The patent uses asexual reproduction by vegetative tip cuttings to propagate the unique color trait. This method creates genetically identical copies that reliably retain the light violet blue coloration, effectively 'disposable' cutting material that produces consistent color results without genetic variation.
3Shape
If existing Aster cultivars are used, then they have basic plant structure, but they lack uniform and mounding growth habits
Solution Approach 1:
The patent changes the morphological parameters by selecting for a uniform mounded growth habit. The cultivar 'Yosloopy' exhibits a distinctive rounded, mounding form with compact dimensions (28 cm height, 22 cm width) that is consistently reproduced through asexual propagation, achieving both shape uniformity and growth consistency.
Data Source
AI summary
A new and distinct cultivar of Aster plant named ‘Yosloopy’, characterized by its uniform, outwardly spreading and mounded plant habit; freely branching growth habit; dark green-colored foliage; uniform flowering habit; natural flowering season early September in the Northern Hemisphere; daisy-type inflorescence with light violet blue-colored ray florets; and good garden performance.