Hydrangea SMNHPSB Cultivar Dwarf Habit and Color Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for new Hydrangea varieties with dwarf habits and good foliage that can maintain their unique characteristics across varying environmental conditions, as existing varieties may not consistently exhibit desired traits under different temperature, day length, and light intensity.
Innovation Solution
The cultivar 'SMNHPSB' is developed through open-pollination and subsequent asexual reproduction, exhibiting a very dwarf habit, thick coarse-textured leaves, dense branching, dark green foliage, and large mophead inflorescences that fade from pure white to dark pink, providing a distinct and stable phenotype.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing Hydrangea varieties are grown under varying environmental conditions, then their growth and development proceed, but their unique characteristics do not consistently exhibit desired traits
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a specific cultivar ('SMNHPSB') that exhibits stable phenotypic characteristics across varying environmental parameters such as temperature, day length, and light intensity. The asexual reproduction method maintains consistent genetic parameters, ensuring reliable expression of desired traits including dwarf habit, thick coarse-textured leaves, and mophead inflorescences regardless of environmental fluctuations.
2Shape
If new Hydrangea varieties are developed with dwarf habits and good foliage, then ornamental value is improved, but stability of unique characteristics across environments may be compromised
Solution Approach 1:
The patent employs asexual reproduction through softwood cuttings to create genetically identical copies of the selected Hydrangea cultivar. This copying method ensures that the unique characteristics—dwarf habit, thick coarse-textured leaves with pronounced venation, dense branching, and dark green foliage—are precisely replicated and maintained across multiple generations, guaranteeing stability of the desired phenotypic composition.
3Adaptability or versatility
If open-pollination is used to produce new varieties, then genetic diversity is increased, but consistency of trait expression may decrease
Solution Approach 1:
The patent applies preliminary action by first conducting open-pollination to generate genetic diversity and identify promising variants, then selecting a specific cultivar ('SMNHPSB') that exhibits the desired combination of traits. Subsequent asexual propagation of this selected variant ensures consistent trait expression, while the preliminary breeding phase had already captured the necessary genetic diversity to produce the superior cultivar.
Data Source
AI summary
A new and distinct cultivar of Hydrangea plant named ‘SMNHPSB’ is disclosed, characterized by large, mophead inflorescences with pure white sepals that progress to brilliant dark pink/pinkish-red. Plants have dwarf habits and dark green foliage with pronounced venation. The new variety is a Hydrangea, typically produced as an outdoor ornamental plant.