Pelargonium Cultivar Duepelsurneviol17 High-Temperature Tolerance
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Solution Overview
Problem
Existing Pelargonium cultivars lack vigorous growth habit, dense branching, and consistent flower coloration, particularly in varying environmental conditions, and do not exhibit high temperature tolerance and early, continuous flowering.
Innovation Solution
A new cultivar 'Duepelsurneviol17' of Pelargonium×hortorum, resulting from a cross-pollination between proprietary selections PL-1129 and PL-1500, exhibits an upright and rounded plant habit, vigorous growth, freely basal branching, dark green zoned leaves, semi-double red-purple flowers, and high temperature tolerance, achieved through vegetative propagation in a controlled greenhouse environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing Pelargonium cultivars are grown under varying environmental conditions, then their growth and flowering performance deteriorates, but maintaining stable performance requires controlled environmental conditions which increases cultivation complexity
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plants with optimized genetic parameters that enable stable growth and flowering performance across varying environmental conditions. The new cultivar 'Duepelsurneviol17' exhibits consistent phenotypic expression (vigorous growth, dense branching, early continuous flowering) without requiring controlled environmental conditions, thus resolving the contradiction by changing the biological parameters of the plant itself rather than controlling the environment
2Productivity
If existing Pelargonium cultivars are bred for vigorous growth, then their branching density decreases, but the new cultivar achieves both vigorous growth and dense branching through selective cross-pollination
Solution Approach 1:
The patent applies merging by combining desirable traits from two different parent selections through controlled cross-pollination. The female parent PL-1129 contributed vigorous growth characteristics while the male parent PL-1500 contributed dense branching traits, and the new cultivar 'Duepelsurneviol17' merges both characteristics into a single plant that exhibits both vigorous growth and dense basal branching, resolving the contradiction between these two previously mutually exclusive traits
3Loss of time
If existing Pelargonium cultivars are bred for early flowering, then their flower coloration consistency deteriorates, but the new cultivar achieves both early flowering and consistent red-purple coloration through selective breeding
Solution Approach 1:
The patent applies feedback by implementing a selective breeding program where flowering time and flower coloration consistency are monitored and used as selection criteria. Plants exhibiting both early flowering and consistent red-purple coloration are selected for the next generation, creating a feedback loop that progressively improves both traits simultaneously. The new cultivar 'Duepelsurneviol17' is the result of this feedback-driven selection process, achieving both early continuous flowering and consistent flower coloration
Data Source
AI summary
A new and distinct cultivar of Pelargonium plant named ‘Duepelsurneviol17’, characterized by its upright and rounded plant habit; vigorous growth habit; freely basal branching habit; dark green-colored leaves with a distinct zonation pattern; early and freely flowering habit; semi-double red purple-colored flowers; and good garden performance and high temperature tolerance.