Cristal Strawberry Variety Fruit Shape and Ripening Traits

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Solution Overview

Problem

Current strawberry varieties lack a combination of desirable traits such as inflorescence position above foliage, consistent fruit size and shape, and early ripening, which are not adequately addressed in existing cultivars like 'Aires'.

Innovation Solution

The new strawberry variety 'Cristal' is developed through crossing two parental varieties, exhibiting distinct characteristics including inflorescence above the foliage, same-sized calyx relative to corolla, dark red, almost cylindrical fruit, and early ripening, distinguishing it from 'Aires' with differences in leaf color, glossiness, fruit shape, and firmness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the inflorescence position is above the foliage, then the fruit production and ripening time are improved, but this trait is not present in existing varieties like 'Aires'

Engineering Contradiction:
Improvefruit productionVSAvoidtrait combination availability
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent combines multiple desirable traits (inflorescence above foliage, same-sized calyx relative to corolla, dark red cylindrical fruit, firmness, early ripening) into a single variety 'Cristal' that integrates all these characteristics simultaneously, resolving the contradiction by merging traits that were分散 in different varieties

Inventive Principle:
Principle #5Merging (Combining)

2Manufacturing precision

If the fruit shape is almost cylindrical with same size calyx relative to corolla, then the fruit quality and consistency are improved, but existing varieties like 'Aires' have conical shape with smaller calyx

Engineering Contradiction:
Improvefruit size consistencyVSAvoidfruit shape
Core Design Contradiction:
Manufacturing precisionVSShape

Solution Approach 1:

The patent changes the geometric parameters of the fruit and flower structures by selecting for a specific ratio between calyx size and corolla size (same size), and fruit shape (almost cylindrical), thereby achieving consistent fruit dimensions and quality that differ from the conical shape of existing varieties

Inventive Principle:
Principle #35Parameter changes

3Illumination intensity

If the leaf color is lighter (RHS green group near 141 B to 141 A) and glossiness is strong, then the leaf quality is improved, but 'Aires' has darker leaf color (RHS green group near 135 B to 135 A) with less strong glossiness

Engineering Contradiction:
Improveleaf glossinessVSAvoidleaf color variation
Core Design Contradiction:
Illumination intensityVSDuration of action of stationary object

Solution Approach 1:

The patent applies local quality by selecting for specific leaf color characteristics (lighter green) and glossiness properties in the upper surface of leaves, creating a variety with enhanced visual quality and surface properties that differ from the darker, less glossy leaves of 'Aires'

Inventive Principle:
Principle #3Local quality

4Illumination intensity

If the fruit is dark red colored with strong glossiness, then the fruit appearance and quality are improved, but existing varieties have red fruit color with medium glossiness

Engineering Contradiction:
Improvefruit glossinessVSAvoidfruit color consistency
Core Design Contradiction:
Illumination intensityVSEase of manufacture

Solution Approach 1:

The patent changes the color and surface property parameters of the fruit by selecting for dark red coloration (RHS red group near 46 B to 45 A) combined with strong glossiness, achieving superior fruit appearance and quality that exceeds the medium glossiness of existing red-ffruited varieties

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUSPP20447P3Strawberry plant named `Cristal`
Publication Date: 2009.11.03 PLANTAS DE NAVARRA
  • USPP20447P3 patent drawing
  • USPP20447P3 patent drawing
  • USPP20447P3 patent drawing

AI summary

The present invention relates to a new and distinct strawberry variety. The varietal denomination of the new variety is ‘Cristal’. Among the characteristics which appear to distinguish the new variety from other varieties are a combination of traits which include inflorescence that appears above the foliage same size of calyx relative to corolla and abundant production of dark red colored, almost cylindrical shaped, and firm fruit, large fruit size, and early time of ripening.