Hydrangea Magical Pearl Breeding for Stem Strength and Inflorescence Uniformity

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Solution Overview

Problem

Existing Hydrangea cultivars lack strong stems and uniform, large inflorescences with attractive and long-lasting flower colors, which are desirable for horticultural applications.

Innovation Solution

A new cultivar of Hydrangea macrophylla, 'Magical Pearl', bred for upright and mounded habit, strong roots and stems, and large, dense inflorescences with light green to white-colored flowers, exhibiting improved uniformity and longer-lasting blooms compared to 'Snowball' varieties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional Hydrangea cultivars are used, then they can be grown with basic care, but they lack strong stems and uniform, large inflorescences

Engineering Contradiction:

Improvestem strengthVSAvoiduniformity of inflorescences

Core Design Contradiction:

StrengthVSManufacturing precision

Solution Approach 1:

The patent applies parameter changes by selecting and breeding plants with specific genetic parameters that result in stronger stems and more uniform inflorescences. The cultivar 'Magical Pearl' exhibits these improved parameters through controlled breeding programs that optimize plant morphology and structural strength.

Inventive Principle:

Principle #35Parameter changes

2Quantity of substance

If existing Hydrangea varieties are cultivated, then they provide basic ornamental value, but they lack large, dense inflorescences with attractive and long-lasting flower colors

Engineering Contradiction:

Improveinflorescence sizeVSAvoidflower longevity

Core Design Contradiction:

Quantity of substanceVSDuration of action of moving object

Solution Approach 1:

The breeding program optimizes parameters related to inflorescence development and flower longevity. The 'Magical Pearl' cultivar displays larger, denser inflorescences with extended flowering duration through selective breeding that enhances these specific traits while maintaining overall plant health.

Inventive Principle:

Principle #35Parameter changes

3Quantity of substance

If Hydrangea plants are bred for larger inflorescences, then they provide more visual impact, but they may become less uniform in plant habit

Engineering Contradiction:

Improveinflorescence sizeVSAvoidplant habit uniformity

Core Design Contradiction:

Quantity of substanceVSStability of the object's composition

Solution Approach 1:

The patent successfully changes multiple parameters simultaneously through coordinated breeding strategies. The 'Magical Pearl' cultivar achieves both larger inflorescences and uniform plant habit by optimizing the interaction between growth regulators, nutrient allocation, and structural development parameters.

Inventive Principle:

Principle #35Parameter changes

4Reliability

If conventional cultivars are grown, then they require standard maintenance, but they lack resistance to common pests and diseases

Engineering Contradiction:

Improvedisease resistanceVSAvoidcultivation simplicity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent implements self-service by breeding cultivars with inherent resistance to common pests and diseases. The 'Magical Pearl' cultivar possesses natural defenses that reduce the need for chemical interventions and intensive maintenance, allowing the plant to protect itself against environmental stresses and biological threats.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUSPP20614P2Hydrangea plant named `Magical Pearl`

Publication Date: 2009.12.29 KOLSTER BEHEER

AI summary

A new and distinct cultivar of Hydrangea plant named ‘Magical Pearl’, characterized by its upright and mounded plant habit; strong roots and stems; and large and dense inflorescences with light green to white-colored flowers.