Celery PYC 6651 Breeding Fusarium Resistance and Petiole Length

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Solution Overview

Problem

Current celery varieties often lack desirable traits such as disease resistance, longer shelf life, and optimal petiole length and number, which affects their commercial value and consumer appeal while maintaining flavor, texture, and nutritional properties.

Innovation Solution

Development of a celery variety, PYC 6651, characterized by exceptional height, dark green color, long, smooth, slender petioles, and high resistance to Fusarium oxysporum, achieved through Pedigree Breeding Method and Single Plant Selections, resulting in genetically stable and commercially advantageous traits.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional celery varieties are used, then they maintain basic flavor and texture, but they lack disease resistance and have shorter shelf life

Engineering Contradiction:

Improvedisease resistanceVSAvoidcommercial appeal

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent applies parameter changes by selectively breeding celery plants to modify specific genetic parameters that confer resistance to Fusarium oxysporum while maintaining other desirable traits. The breeding process targets disease resistance parameters without sacrificing petiole quality, flavor, or texture characteristics that consumers expect.

Inventive Principle:

Principle #35Parameter changes

2Productivity

If celery varieties with longer petioles are developed, then yield per plant increases, but genetic uniformity and stability may be compromised

Engineering Contradiction:

Improvepetiole length and numberVSAvoidgenetic uniformity

Core Design Contradiction:

ProductivityVSStability of the object's composition

Solution Approach 1:

The patent employs preliminary action through systematic pedigree breeding and single plant selection methods that establish genetic uniformity before final variety stabilization. The breeding process includes preliminary generations (P1, P2, P3) where genetic traits are standardized, followed by testcross generations (T1, T2, T3) that confirm uniformity and stability before commercial release.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If new celery varieties are bred for commercial advantages, then disease resistance and shelf life improve, but consumer-desired flavor and texture may be lost

Engineering Contradiction:

Improveshelf lifeVSAvoidconsumer acceptance

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent applies local quality by making targeted improvements in specific areas (disease resistance through Fusarium oxysporum resistance) while deliberately maintaining unchanged qualities in consumer-critical areas (flavor, texture, petiole succulence). The breeding program focuses disease resistance enhancements in the root and vascular system while preserving the petiole characteristics that consumers expect.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS8093471B2Celery variety stix (PYC 6651)

Publication Date: 2012.01.10 SYNGENTA CROP PROTECITON AG

AI summary

A new variety of celery designated as STIX (PYC 6651) and whose seed has an ATCC accession number PTA-9654 is presented. STIX has long petioles that make it well suited for making celery sticks.