Delosperma DDLPI02-0 Cultivar Cold Tolerance and Summer Flowering

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Solution Overview

Problem

There is a need for a new Delosperma cultivar that exhibits improved cold tolerance and increased summer flowering, while maintaining drought tolerance and a distinct flower color, as existing varieties like 'WOWDRY1' and 'WOWDRW5' lack these specific traits.

Innovation Solution

The cultivar 'DDLPI02-0' is developed through open pollination, characterized by large, round bright pink flowers with a yellow eye, drought tolerance, and excellent garden performance in summer, with stable traits reproduced through terminal vegetative cuttings, showing better cold tolerance and more prolific summer flowering compared to similar varieties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing Delosperma varieties like 'WOWDRY1' and 'WOWDRW5' are used, then drought tolerance is maintained, but cold tolerance and summer flowering performance are insufficient

Engineering Contradiction:
Improvecold toleranceVSAvoidsummer flowering performance
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent applies parameter changes by selecting and breeding plants with specific genetic traits that modify physiological parameters for cold tolerance and flowering behavior. The new cultivar 'DDLPI02-0' exhibits altered parameters including enhanced cold hardiness and increased summer flowering propensity compared to parent varieties, while maintaining drought tolerance through inherited adaptive traits.

Inventive Principle:
Principle #35Parameter changes

2Ease of manufacture

If existing Delosperma varieties like 'WOWDRY1' and 'WOWDRW5' are used, then drought tolerance is maintained, but flower color distinctiveness is insufficient

Engineering Contradiction:
Improvedrought toleranceVSAvoidflower color
Core Design Contradiction:
Ease of manufactureVSShape

Solution Approach 1:

The patent applies local quality by developing a cultivar with distinct local characteristics in flower coloration. The new cultivar 'DDLPI02-0' possesses a unique pink flower color with a contrasting yellow eye, creating a distinctive local quality feature that differentiates it from parent varieties while maintaining the overall drought-tolerant physiology inherited from the parent Delosperma species.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUSPP32379P2<i>Delosperma </i>plant named ‘DDLPI02-0’
Publication Date: 2020.10.20 NUFLORA INT
  • USPP32379P2 patent drawing
  • USPP32379P2 patent drawing

AI summary

A new and distinct cultivar of Delosperma plant named ‘DDLPI02-0’ is disclosed, characterized by large, pink flowers with a yellow eye. Plants have a low, mounded habit, flower well during Summer and are tolerant to cold and drought. The new variety is a Delosperma, normally produced as an outdoor garden or container plant.