HOT125A1 Apple Variety Early Harvest Storage Quality

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Solution Overview

Problem

Existing apple varieties do not offer a combination of early harvest season, attractive fruit appearance, and excellent storage quality, particularly under hot climate growing conditions.

Innovation Solution

The development of the apple variety 'HOT125A1', which results from controlled crossing and selection for desirable traits such as earlier harvest, higher overcolour coverage, and improved storage quality, is achieved through asexual propagation using 'M9' rootstock.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If apple varieties are selected for early harvest season, then harvest time is reduced, but fruit appearance and storage quality may be compromised

Engineering Contradiction:

Improveharvest season durationVSAvoidstorage quality

Core Design Contradiction:

Loss of timeVSReliability

Solution Approach 1:

The patent applies parameter changes by selecting and breeding apple varieties with specific genetic parameters that simultaneously achieve early harvest timing and maintain storage quality. The variety 'HOT125A1' was developed through controlled crossing and selection to optimize multiple parameters including harvest time, skin color coverage (60% overcolor), flesh firmness, and storage durability, resolving the contradiction between early harvest and storage quality

Inventive Principle:

Principle #35Parameter changes

2Shape

If apple varieties are bred for attractive fruit appearance with high overcolour coverage, then market appeal is improved, but harvest season may be delayed

Engineering Contradiction:

Improvefruit appearance and overcolour coverageVSAvoidharvest season timing

Core Design Contradiction:

ShapeVSLoss of time

Solution Approach 1:

The patent uses parameter changes by breeding apple varieties with optimized color parameters and harvest timing parameters. The variety 'HOT125A1' achieves 60% skin surface overcolor coverage (superior to Fuji's 40-50%) while simultaneously maintaining mid-September harvest timing, demonstrating that color intensity and harvest time can be independently optimized through selective breeding

Inventive Principle:

Principle #35Parameter changes

3Duration of action of stationary object

If apple varieties are developed for excellent storage quality, then post-harvest durability is improved, but fruit appearance and flavor may be reduced

Engineering Contradiction:

Improvestorage quality and durabilityVSAvoidfruit flavor and appearance

Core Design Contradiction:

Duration of action of stationary objectVSShape

Solution Approach 1:

The patent applies parameter changes by selecting apple varieties with genetic parameters that simultaneously optimize storage durability, flavor compounds, and appearance characteristics. The variety 'HOT125A1' maintains excellent storage quality while achieving superior flavor and 60% overcolor coverage, proving that storage duration and fruit quality parameters can be co-optimized through controlled breeding programs

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUSPP36688P3Apple tree named ‘HOT125A1’

Publication Date: 2025.05.20 FRUITFUTUR A I E

AI summary

A new and distinct apple variety is described. The variety results from crossing the apple varieties ‘A101R10T175’ (not patented) and ‘A123R06T021’ (not patented) in Havelock North, New Zealand. The fruit of the apple tree of this new variety have an attractive appearance characterized by its pink, red colour and it notable for its long storage life. This new variety has been named ‘HOT125A1’.