Digitalis ISOB007 Cultivar Compact Habit and Floriferousness

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Solution Overview

Problem

There is a lack of compact, well-branched, and freely flowering cultivars of Digitalis isabelliana, specifically in the Canary Island foxglove, which limits the diversity and aesthetic appeal in landscape use.

Innovation Solution

The development of the 'ISOB007' cultivar, characterized by a compact and well-branched plant habit, freely flowering habit, and apricot orange flowers, achieved through asexual propagation by stem cuttings, which reproduces true to type in successive generations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If traditional Digitalis isabelliana cultivars are used, then the plant can grow and flower, but the plant habit is not compact and branching is insufficient

Engineering Contradiction:
Improveplant habit compactnessVSAvoidbranching structure
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by selecting and propagating a mutant plant that exhibits altered growth parameters - specifically a more compact overall size and increased branching frequency - compared to the original Digitalis isabelliana species. This natural mutation represents a change in the plant's morphological parameters that resolves the contradiction between compactness and branching complexity.

Inventive Principle:
Principle #35Parameter changes

2Quantity of substance

If traditional Digitalis isabelliana cultivars are used, then the plant can produce flowers, but the flowering abundance is insufficient

Engineering Contradiction:
Improveflower quantityVSAvoidflowering efficiency
Core Design Contradiction:
Quantity of substanceVSProductivity

Solution Approach 1:

The patent utilizes parameter changes by propagating a mutant variant that exhibits increased floriferousness - producing significantly more flowers per plant compared to the original species. This genetic mutation alters the plant's reproductive parameters, enabling higher flower quantity and improved flowering efficiency simultaneously.

Inventive Principle:
Principle #35Parameter changes

3Shape

If a compact and well-branched cultivar is developed, then ornamental value is improved, but the plant may become more susceptible to diseases or pests

Engineering Contradiction:
Improveplant habitVSAvoiddisease resistance
Core Design Contradiction:
ShapeVSReliability

Solution Approach 1:

The patent applies the self-service principle by allowing the mutant plant to naturally maintain its improved compact and branched habit while inherently resisting diseases and pests without requiring external interventions. The plant's own genetic constitution provides both the desired ornamental form and the necessary disease resistance, eliminating the trade-off between aesthetics and reliability.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20200367398P1Digitalis plant named `ISOB007'
Publication Date: 2020.11.19 LENARD FOUNTAIN BIRDIE
  • US20200367398P1 patent drawing
  • US20200367398P1 patent drawing

AI summary

A new cultivar of Digitalis plant named ‘ISOB007’ that is characterized by its compact and well-branched plant habit, its freely flowering habit, and its flowers that are apricot orange in color.