Kiastlavmi Aster Cultivar Compact Habit and Mildew Tolerance
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Solution Overview
Problem
Existing Aster plant cultivars lack compact, uniformly growing, freely branching varieties with attractive semi-double violet ray florets and sufficient tolerance to mildew, which limits their horticultural appeal and durability in various environmental conditions.
Innovation Solution
A new cultivar, 'Kiastlavmi', resulting from the cross-pollination of Aster dumosus 'Kristina' and a proprietary selection, exhibits a compact, upright growth habit, semi-double violet ray florets, and mildew tolerance, achieved through asexual reproduction by vegetative tip cuttings, distinguishing it from parent and comparative cultivars.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing Aster cultivars are used, then they have basic growth and flowering characteristics, but they lack compact uniform growth habit, freely branching habit, attractive semi-double violet ray florets, and sufficient mildew tolerance
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific phenotypic parameters including compact growth habit, branching pattern, ray floret color (violet), and mildew tolerance. The cultivar 'Kiastlavmi' exhibits these optimized parameters resulting from controlled cross-pollination and selection processes, achieving both horticultural appeal and disease tolerance simultaneously
2Shape
If Aster plants are bred for compact growth habit, then they achieve uniform mounded appearance, but may lose branching freedom and flower quality
Solution Approach 1:
The patent applies local quality by differentiating growth characteristics in different plant regions: the central growing point produces compact upright shoots forming the mounded shape, while lateral buds develop freely branching structures. This localized differentiation allows the plant to simultaneously achieve compact overall form and freely branching habit with attractive inflorescences
3Adaptability or versatility
If Aster plants are bred for attractive ray florets, then they gain horticultural appeal, but may compromise plant hardiness and disease resistance
Solution Approach 1:
The patent applies composite materials by creating a composite genotype through controlled cross-pollination between parent plants with complementary traits. The resulting cultivar 'Kiastlavmi' combines genetic material that produces both attractive violet semi-double ray florets and robust mildew tolerance, achieving a composite phenotype that simultaneously exhibits horticultural appeal and disease resistance
Data Source
AI summary
A new and distinct cultivar of Aster plant named ‘Kiastlavmi’, characterized by its compact, upright, uniform and mounded plant habit; freely branching growth habit; semi-double type inflorescences with violet-colored ray florets; and tolerance to mildew.