PremA003 Apple Tree Breeding for Red Skin and Texture

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Current apple tree varieties lack a cultivar with a unique combination of intense red skin color, large size, tender-crisp flesh texture, and balanced vigor, which are desirable traits for both market appeal and consumer preference.

Innovation Solution

The development of the apple tree variety 'PremA003' through controlled crossing of 'Honeycrisp' and 'Sciros', resulting in a cultivar with a strong red skin color, large size, and tender-crisp flesh texture, distinguished by its moderate vigor and specific botanical characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If apple tree varieties are bred for intense red skin color and large size, then market appeal and consumer preference are improved, but tree vigor and bloom quantity may become unbalanced

Engineering Contradiction:

Improveskin color intensityVSAvoidvigor balance

Core Design Contradiction:

ShapeVSAdaptability or versatility

Solution Approach 1:

The breeding program systematically varied genetic parameters through controlled crosses between 'Honeycrisp' and 'Sciros' to achieve the desired combination of intense red skin color and moderate vigor, selecting for specific phenotypic expressions that balanced these traits

Inventive Principle:

Principle #35Parameter changes

2Volume of moving object

If apple tree varieties are bred for large fruit size, then consumer preference is improved, but flesh texture quality may deteriorate

Engineering Contradiction:

Improvefruit sizeVSAvoidflesh texture

Core Design Contradiction:

Volume of moving objectVSStrength

Solution Approach 1:

The breeding selection focused on achieving uniform flesh texture quality throughout the enlarged fruit volume, ensuring that the tender-crisp texture characteristic was maintained consistently across the entire fruit body despite the increased size

Inventive Principle:

Principle #3Local quality

3Speed

If apple tree varieties are bred for mid-season maturity, then market timing is optimized, but storage life may be reduced

Engineering Contradiction:

Improvematurity timingVSAvoidstorage life

Core Design Contradiction:

SpeedVSDuration of action of stationary object

Solution Approach 1:

The variety achieves adequate storage life (approximately 20 weeks) by implementing partial hardening off before harvest and utilizing controlled atmosphere storage conditions, which extend the storage capability beyond what is typical for mid-season varieties without compromising the mature flavor development

Inventive Principle:

Principle #16Partial or excessive action

Data Source

PatentUSPP33545P2Apple tree named ‘PremA003’

Publication Date: 2021.10.12 PREVAR

AI summary

A new and distinct apple tree named ‘PremA003’, the fruit of which is notable for its intense red skin color, large size and tender-crisp flesh texture.