Interspecific Prunus Tree Bella Kat Fruit Quality

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Solution Overview

Problem

Existing varieties of plum and cherry trees lack desirable traits such as consistent fruit production, flavor, and disease resistance, with limited options for early maturity and attractive fruit characteristics.

Innovation Solution

The development of the 'Bella Kat' interspecific tree, resulting from a cross between (Prunus salicina×Prunus avium) and Prunus avium, exhibiting vigorous growth, regular fruiting, and medium to large-sized fruit with good flavor and eating quality, pubescent skin, and earlier maturity compared to existing varieties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing plum and cherry varieties are used, then cultivation is straightforward, but fruit production consistency, flavor quality, and disease resistance are insufficient

Engineering Contradiction:
Improvefruit production consistencyVSAvoidtree variety complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple desirable traits from different Prunus species into a single interspecific hybrid variety. The 'Bella Kat' variety merges early maturity characteristics, disease resistance, and superior fruit quality traits that were previously分散 in different parent varieties, achieving reliable and consistent fruit production while maintaining manageable tree characteristics

Inventive Principle:
Principle #5Merging (Combining)

2Loss of time

If existing varieties are used, then cultivation management is simple, but fruit maturity time is delayed and flavor balance is poor

Engineering Contradiction:
Improvefruit maturity timeVSAvoidfruit quality
Core Design Contradiction:
Loss of timeVSProductivity

Solution Approach 1:

The patent achieves earlier fruit maturity by changing the genetic parameters of the tree through interspecific hybridization. The 'Bella Kat' variety exhibits approximately 20 days earlier maturity compared to its seed parent and 65 days earlier than its pollen parent, while simultaneously improving fruit quality parameters including flavor balance, skin texture, and eating quality

Inventive Principle:
Principle #35Parameter changes

3Shape

If existing varieties are used, then tree growth is manageable, but fruit size and attractiveness are limited

Engineering Contradiction:
Improvefruit characteristicsVSAvoidtree variety complexity
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The patent applies local quality by developing distinct and attractive fruit characteristics in the 'Bella Kat' variety. The fruit exhibits pubescent skin texture, dark red skin color, and medium to large size with excellent flavor balance, creating locally superior fruit quality that distinguishes it from parent varieties and existing cultivars

Inventive Principle:
Principle #3Local quality

Data Source

PatentUSPP24040P3Interspecific tree named 'Bella Kat'
Publication Date: 2013.11.26 ZEE 5 LLC
  • USPP24040P3 patent drawing

AI summary

A new and distinct variety of interspecific Prunus tree. The following features of the tree and its fruit are characterized with the tree budded on ‘Nemaguard’ Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, Calif., with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consist of the following combination of desirable features:1. Vigorous, upright tree growth.2. Fruit with attractive red skin and flesh color.3. Fruit with very good flavor and eating quality.4. Fruit with good handling and storage quality.5. Heavy and regular production of medium to large size fruit.6. Fruit with an average Brix of 18.7° and a good balance between acid and sugar.