Hydrangea HIDIAM65 Cultivar Stem Strength and Flower Longevity

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Solution Overview

Problem

Current Hydrangea macrophylla cultivars lack sturdy stems and consistent, attractive inflorescence color, which affects their post-production longevity and market appeal.

Innovation Solution

Development of the new Hydrangea cultivar 'HIDIAM65' through controlled cross-pollination, characterized by upright and spreading habit, strong stems, and large, dense mophead inflorescences with purplish-pink sterile flowers, offering improved stem strength and flower color compared to parent cultivars.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional Hydrangea macrophylla cultivars are used, then they can be grown and reproduced, but they lack sturdy stems and consistent, attractive inflorescence color

Engineering Contradiction:
Improvestem strengthVSAvoidinflorescence color consistency
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The patent applies parameter changes by selecting and breeding plants with specific genetic parameters that result in sturdier stems and more consistent inflorescence colors. The new cultivar 'HIDIAM65' exhibits these improved parameters through controlled breeding and selection processes, achieving both stronger stems and more reliable color expression across plants.

Inventive Principle:
Principle #35Parameter changes

2Duration of action of stationary object

If conventional Hydrangea cultivars are used, then they can be propagated, but they exhibit poor post-production longevity

Engineering Contradiction:
Improvepost-production longevityVSAvoidmarket appeal
Core Design Contradiction:
Duration of action of stationary objectVSReliability

Solution Approach 1:

The patent improves post-production longevity by changing the genetic parameters of the Hydrangea cultivar through controlled breeding. The new cultivar 'HIDIAM65' demonstrates extended vase life and longer-lasting inflorescences, directly addressing the longevity parameter while maintaining market appeal through attractive purplish-pink flower color and dense mophead form.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If existing Hydrangea varieties are used, then they can be grown, but they lack vigorous growth and attractive features

Engineering Contradiction:
Improvegrowth vigorVSAvoidinflorescence attractiveness
Core Design Contradiction:
ProductivityVSShape

Solution Approach 1:

The patent achieves both vigorous growth and attractive inflorescence features by selecting parent plants with complementary parameters and breeding for their combination. The new cultivar 'HIDIAM65' exhibits vigorous growth habits with upright, spreading plant architecture while simultaneously producing large, dense mophead inflorescences with attractive purplish-pink coloration.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUSPP36140P2<i>Hydrangea </i>plant named ‘HIDIAM65’
Publication Date: 2024.09.24 HI BREEDING BV
  • USPP36140P2 patent drawing
  • USPP36140P2 patent drawing

AI summary

A new and distinct cultivar of Hydrangea plant named ‘HIDIAM65’, characterized by its upright and broadly spreading plant habit; moderately vigorous and moderate growth rate; freely branching habit; strong and sturdy stems; dark green-colored leaves; freely flowering habit; large and dense mophead inflorescences with purplish pink-colored sterile flowers; and good post-production longevity.