Ficus Amstel Green Gold Cultivar Leaf Color Mutation

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Solution Overview

Problem

There is a need for a distinct and stable cultivar of Ficus binnendijkii that exhibits unique leaf color characteristics, differing from existing varieties like 'Amstel Gold', particularly in young and mature leaf colors, to cater to ornamental horticulture demands.

Innovation Solution

The development of 'Amstel Green Gold', a naturally occurring branch mutation of Ficus 'Amstel Gold', which is reproduced through asexual terminal cuttings and exhibits reddish-green young leaves and greener mature leaves, offering a distinct ornamental option.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a new Ficus cultivar is developed with distinct leaf color characteristics, then ornamental value is improved, but differentiation from existing varieties requires precise color stability control

Engineering Contradiction:

Improvecolor stabilityVSAvoidcolor differentiation precision

Core Design Contradiction:

ReliabilityVSManufacturing precision

Solution Approach 1:

The patent applies color changes by developing a Ficus cultivar with distinct young leaf color (reddish-green) that differentiates it from the parent variety. The color characteristic is stabilized through asexual reproduction to ensure reliability while maintaining visual distinction.

Inventive Principle:

Principle #32Color changes

Solution Approach 2:

The patent applies parameter changes by modifying the leaf color parameters of the Ficus plant through natural mutation. The young leaves exhibit a specific color range (151A to 151B) that differs from the parent variety, creating a distinguishable cultivar with stable inherited characteristics.

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If a naturally occurring mutation is selected for cultivar development, then genetic uniqueness is improved, but maintaining uniformity across generations requires controlled asexual reproduction

Engineering Contradiction:

Improvegenetic uniquenessVSAvoidtrait uniformity

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent applies copying by using asexual reproduction through terminal cuttings to replicate the unique genetic characteristics of the mutated plant. This method copies the exact genetic composition from the original mutation, ensuring uniformity and stability of traits across successive generations while preserving the genetic uniqueness of the cultivar.

Inventive Principle:

Principle #26Copying

Data Source

PatentUSPP19418P2Ficus plant named 'Amstel Green Gold'

Publication Date: 2008.11.04 KWEKERIJ DE AMSTEL

AI summary

A new cultivar of Ficus plant named ‘Amstel Green Gold’ that is characterized by reddish green young leaves and green mature leaves.