Petunia Balsursre Mounded-Trailing Cultivar Breeding
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Solution Overview
Problem
Current Petunia cultivars lack a mounded-trailing growth habit suitable for hanging baskets, pots, and landscapes, with limited options for plants with medium red-colored flowers and moderate vigor.
Innovation Solution
Development of the Petunia x hybrida cultivar 'Balsursre' through cross-pollination, characterized by medium red-colored flowers, medium green-colored foliage, and a moderately vigorous, mounded-trailing growth habit, achieved through asexual reproduction by terminal stem cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cross-pollination breeding is performed to develop new Petunia cultivars, then flower color variety and growth habit diversity are improved, but breeding time and complexity increase
Solution Approach 1:
The patent applies preliminary action by conducting controlled cross-pollination between specifically selected parent plants (PET-00292-01 and PET-00274-04) with desired traits before propagation. The breeding program pre-establishes parent plants with complementary characteristics (one with compact mounded habit, one with spreading habit) to produce progeny with the target mounded-trailing growth habit, thereby reducing the time required for random selection and evaluation in subsequent generations.
2Reliability
If asexual reproduction by terminal stem cuttings is used, then true-to-type reproduction is improved, but propagation speed and vigor may be limited
Solution Approach 1:
The patent applies parameter changes by optimizing cutting propagation parameters including using terminal stem cuttings taken from actively growing plants, applying appropriate rooting hormones, and maintaining controlled environmental conditions (temperature, humidity, light) during rooting. This optimization achieves both high fidelity reproduction and improved propagation speed, with cuttings rooting reliably while maintaining the moderate vigor characteristic of the new cultivar.
3Adaptability or versatility
If moderate growth vigor is selected, then suitability for hanging baskets and pots is improved, but overall plant size and flowering output may be reduced
Solution Approach 1:
The patent applies local quality by creating a cultivar with differentiated growth characteristics in different parts of the plant and different time periods. The plant exhibits moderate overall vigor suitable for containers, but compensates with increased flowering intensity and prolonged blooming period. The mounded-trailing growth habit concentrates biomass efficiently in the root zone while directing energy to continuous flower production, achieving high flowering output within the constraints of moderate size.
Data Source
AI summary
A new and distinct cultivar of Petunia plant named ‘Balsursre’, characterized by its medium red-colored flowers, medium green-colored foliage, and moderately vigorous, mounded-trailing growth habit, is disclosed.