Peach Tree KV00398 Breeding for Large Melting Flesh Fruit

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Solution Overview

Problem

Current peach tree varieties lack a combination of large size, high fruit quality, sweet and mildly acidic flavor, and early mid-season ripening with a distinct yellow, melting-flesh fruit and 80% red blush over a golden yellow ground color, which are desirable traits for dessert peaches.

Innovation Solution

The development of a new peach tree variety, 'KV00398', which is a seedling selection of 'BY96P3480' and characterized by its large size, sweet and mildly acidic flavor, and early mid-season ripening, with fruit exhibiting 80% red blush over a golden yellow ground color, and is vegetatively propagated to maintain these traits.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing peach tree varieties are used, then they may produce fruit with some desirable traits, but they lack the specific combination of large size, high fruit quality, sweet and mildly acidic flavor, and early mid-season ripening with 80% red blush over golden yellow ground color

Engineering Contradiction:
Improvecombination of fruit traitsVSAvoidfruit quality consistency
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent combines multiple desirable fruit traits (large size, yellow melting flesh, sweet mildly acidic flavor, 80% red blush, early mid-season ripening) into a single peach variety KV00398 through controlled breeding and selection, achieving a unified expression of all these characteristics that does not exist in existing varieties

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent achieves precise control over multiple fruit parameters simultaneously including size (70-80 mm diameter), color (80% red blush over golden yellow), flavor profile (sweet mildly acidic with 9-12° Brix), and ripening time (early mid-season), creating a consistent phenotype across the variety

Inventive Principle:
Principle #35Parameter changes

2Volume of moving object

If peach varieties with large fruit size are selected, then fruit size increases, but fruit quality and flavor consistency may be compromised

Engineering Contradiction:
Improvefruit sizeVSAvoidfruit quality
Core Design Contradiction:
Volume of moving objectVSManufacturing precision

Solution Approach 1:

The patent achieves uniform distribution of quality characteristics throughout the large fruit (70-80 mm diameter), ensuring that flesh texture, flavor, and color are consistent across the entire fruit volume rather than varying between different regions of the same fruit

Inventive Principle:
Principle #3Local quality

3Manufacturing precision

If peach varieties with sweet flavor are selected, then flavor quality improves, but acidity balance and firmness may be reduced

Engineering Contradiction:
Improveflavor qualityVSAvoidfruit firmness
Core Design Contradiction:
Manufacturing precisionVSStrength

Solution Approach 1:

The patent achieves a precise balance between sweetness (9-12° Brix) and mild acidity in the fruit flavor profile while simultaneously maintaining firm flesh texture that remains firm until full-ripe, creating a multi-parameter optimization that balances flavor quality with structural integrity

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUSPP21378P2Peach tree named `KV00398`
Publication Date: 2010.10.12 THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY DEPARTMENT OF HEALTH & HUMAN SERVICES
  • USPP21378P2 patent drawing
  • USPP21378P2 patent drawing

AI summary

A new and distinct variety of peach which is characterized by producing large, yellow, melting-flesh fruit with an excellent sweet, only mildly acidic dessert quality flavor. Fruit are melting flesh freestone with an 80% red over-color (blush) over a golden yellow undercolor and average 71 to 75 mm in diameter, ripening in early mid season.