Pearlicious I Nectarine Hybrid Early Maturity

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Solution Overview

Problem

Existing nectarine varieties face challenges in requiring high dormant chilling hours, delayed blooming, and varying fruit characteristics, which affect their adaptability and shipping quality.

Innovation Solution

The development of the 'Pearlicious I' nectarine variety, which is a hybrid of 'Candy Pearl' nectarine and 'Spring Princess' peach, requiring less dormant chilling, blooming earlier, and producing larger, symmetrical, clingstone fruits with a white flesh and red skin, optimized for early season maturity and shipping.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing nectarine varieties are used, then they produce fruit with acceptable characteristics, but they require high dormant chilling hours and have delayed blooming

Engineering Contradiction:
Improveadaptability to different climatesVSAvoiddormant chilling requirement
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent applies parameter changes by developing a nectarine variety with modified physiological parameters - specifically reducing the dormant chilling requirement from typical high levels to only 350-450 hours. This parameter change enables the tree to adapt to warmer climates and bloom earlier in the season, directly resolving the contradiction between adaptability and chilling requirement.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If existing nectarine varieties are used, then they produce fruit, but the fruit size and symmetry vary

Engineering Contradiction:
Improvefruit symmetryVSAvoidfruit size consistency
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The patent employs feedback principles through systematic selection and evaluation processes. The inventor evaluated numerous seedlings over multiple years, selecting those exhibiting superior fruit symmetry and size consistency. This iterative feedback loop of planting, evaluating, and selecting has resulted in a variety that produces uniformly large, symmetrical fruit, resolving the contradiction between manufacturing precision and productivity.

Inventive Principle:
Principle #23Feedback

3Reliability

If existing nectarine varieties are used, then they mature at typical times, but shipping quality is compromised

Engineering Contradiction:
Improveshipping qualityVSAvoidmaturity time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by developing an early-maturing variety that completes its growth cycle faster than traditional varieties. The 'Pearlicious I' nectarine matures approximately 30 days earlier than most commercial varieties, allowing harvest in early June. This preliminary completion of the growth cycle provides sufficient time for shipping while maintaining fruit quality, resolving the contradiction between reliability of shipping quality and loss of time to maturity.

Inventive Principle:
Principle #10Preliminary action

4Adaptability or versatility

If existing nectarine varieties are used, then they have standard fruit characteristics, but flavor balance is insufficient

Engineering Contradiction:
Improveflavor profileVSAvoidflavor consistency
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent applies composite principles by combining genetic traits from two different parent varieties - 'Candy Pearl' nectarine and 'Spring Princess' peach. This genetic composite results in a hybrid variety that exhibits superior flavor characteristics, combining the sweetness of the nectarine parent with additional flavor complexity from the peach parent, achieving a well-balanced flavor profile that resolves the contradiction between adaptability and manufacturing precision of flavor.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS20120151641P1Nectarine tree named 'pearlicious i'
Publication Date: 2012.06.14 BRADFORD LOWELL GLEN
  • US20120151641P1 patent drawing
  • US20120151641P1 patent drawing

AI summary

The present invention relates to a new and distinct variety of nectarine tree, Prunus persica, broadly characterized by a medium size, moderately vigorous, half-hardy, self-fertile, very productive and regular bearing tree. The variety blooms early and requires about 350 chilling hours. The fruit matures under the ecological conditions described in early June, with first picking on Jun. 4, 2010. The fruit is uniformly large in size for an early season variety, globose in shape, clingstone in type, firm and melting in texture, white in flesh color, mostly red in skin color, and a tasty balance of sweet sub-acid and traditional nectarine flavors.