Pendulous Buddleja Cultivar for Hanging Basket Growth Habit
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Solution Overview
Problem
There is a need for compact, pendulous Buddleja x hybrida varieties suitable for hanging baskets and containers that produce flowers in a range of colors, as existing varieties may not offer the desired growth habit or flower color combinations.
Innovation Solution
The development of Buddleja x hybrida cultivar 'SFF21-026', which exhibits a pendulous growth habit, rose-pink flowers with dark orange eyes, and rapid growth and flowering, achieved through a breeding program using open-pollinated seeds from Buddleja 'Lavender Cascade' as the female parent, with unknown male parent, and propagated via stem cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing Buddleja varieties are used, then they may have acceptable growth habits, but they do not provide the desired pendulous growth habit suitable for hanging baskets and containers
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plants with specific genetic traits that produce a pendulous growth habit. The cultivar 'SFF21-026' was developed through controlled breeding to achieve specific morphological parameters including arching stems, compact size, and pendulous flower clusters that cascade downward, making it suitable for hanging basket applications.
2Volume of moving object
If Buddleja varieties are bred for compact size, then they may be suitable for containers, but they may not produce continuous blooming from May to September
Solution Approach 1:
The breeding program changed multiple parameters simultaneously to achieve both compact size and extended blooming. The cultivar was selected for its ability to maintain a compact form (30 cm height, 90 cm width) while producing continuous blooms from May to September through repeated selection of plants exhibiting both traits in the breeding program.
Solution Approach 2:
The patent applies preliminary action through the three-year breeding program (2019-2021) where plants were evaluated and selected for desired traits before commercial introduction. Stem cuttings were taken and propagated in advance to establish stable lines that consistently exhibit both compact size and continuous blooming characteristics.
3Productivity
If Buddleja varieties are selected for rapid growth, then they may fill containers quickly, but they may not maintain stability and true-to-type reproduction across generations
Solution Approach 1:
The patent applies preliminary action by conducting a three-year breeding program with multiple evaluation cycles to identify and propagate stable genotypes. Stem cuttings were taken in Spring 2021 and propagated in a controlled greenhouse environment to establish plants that consistently reproduce the desired rapid growth trait while maintaining genetic stability and true-to-type characteristics across generations.
Data Source
AI summary
A new cultivar of Buddleja named ‘SFF21-026’ that is distinguishable by its prostate growth habit whose stems arch downwards when laden with flowers (inflorescences). The inflorescences of ‘SFF21-026’ are slender conical in shape and bear approximately 300 outward-facing flowers. The flowers of ‘SFF21-026’ are rose-pink in color and exhibit dark orange eyes and remain in bloom continually from May to September. ‘SFF21-026’ grows and flowers very rapidly. In combination, these characteristics distinguish ‘SFF21-026’ from all other varieties of Buddleja known to the inventor.