Argyrayesi Marguerite Daisy Compact Growth and Early Flowering

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Solution Overview

Problem

Existing Marguerite Daisy cultivars lack a compact, freely branching, and early flowering variety with stable characteristics suitable for diverse environmental conditions, particularly in terms of temperature and light intensity.

Innovation Solution

The development of the Argyranthemum frutescens cultivar 'Argyrayesi' with a compact, upright growth habit, dense branching, and early flowering habit, characterized by yellow-colored ray florets and golden yellow disc florets, achieved through open-pollination and asexual reproduction, which is stable across generations and environments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If existing Marguerite Daisy cultivars are grown, then they may produce flowers, but they lack compact growth habit and stable characteristics across varying environmental conditions

Engineering Contradiction:
Improvecompact growth habitVSAvoidstability of characteristics
Core Design Contradiction:
ShapeVSReliability

Solution Approach 1:

The patent applies parameter changes by selecting and stabilizing specific genetic parameters through controlled open-pollination breeding. The cultivar 'Argyrayesi' was developed by changing the genetic parameters of parent plants to achieve a compact growth habit (50cm height, 70-80cm width) with dense branching and short internodes (1.5-4 cm), while ensuring these characteristics remain stable across different environmental conditions through asexual reproduction verification

Inventive Principle:
Principle #35Parameter changes

2Productivity

If existing Marguerite Daisy cultivars are grown, then they may flower, but they lack early and free flowering habit with numerous inflorescences

Engineering Contradiction:
Improvenumber of inflorescencesVSAvoidtime to flowering
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by conducting controlled open-pollination breeding in advance to pre-select plants with early flowering genetics. The cultivar 'Argyrayesi' was developed to flower early in its growth cycle, with the breeding program specifically selecting for reduced time to flowering while maintaining high productivity of numerous inflorescences per plant

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent changes the flowering parameters by selecting for early flowering habit and high inflorescence production. The cultivar produces numerous inflorescences per plant with a compact growth habit, achieving both early flowering and high productivity through genetic selection and stabilization

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If existing Marguerite Daisy cultivars are grown, then they may adapt to some conditions, but they lack adaptability to varying temperatures and light intensities

Engineering Contradiction:
Improvetolerance to environmental conditionsVSAvoidtemperature tolerance
Core Design Contradiction:
Adaptability or versatilityVSTemperature

Solution Approach 1:

The patent applies universality by developing a cultivar with multi-functional adaptability to various environmental conditions. The cultivar 'Argyrayesi' was bred to function reliably across different temperature ranges and light intensities, making it universally suitable for diverse horticultural applications while maintaining its compact habit and flowering characteristics

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUSPP18469P3Argyranthemum frutescens plant named ‘Argyrayesi’
Publication Date: 2008.02.05 SYNGENTA SEEDS
  • USPP18469P3 patent drawing

AI summary

A new and distinct cultivar of Argyranthemum frustescens plant named ‘Argyrayesi’ characterized by its upright and rounded plant habit, good field performance, dark green coloured leaves, freely flowering with numerous inflorescences per plant, and daisy-type inflorescences with yellow-colored ray florets and golden yellow-colored disc florets.