Lagorai Plus Raspberry Plant Breeding for Pest Resistance

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Solution Overview

Problem

Current raspberry varieties face challenges in maintaining consistent quality and resistance to pests and diseases, with limited adaptability to varying environmental conditions and harvest times.

Innovation Solution

The 'Lagorai Plus' red raspberry plant, developed through free pollination of Tulameen individual raspberry plants, exhibits stable characteristics such as strong vigour, good fruit colour and flavour, large and firm berries, and tolerance to pests and diseases, propagated effectively via root cutting and tissue culture, suitable for medium-high winter chill conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional raspberry varieties are used, then they can be grown and harvested, but they show limited resistance to pests and diseases and require frequent spray treatments

Engineering Contradiction:

Improvepest and disease resistanceVSAvoidneed for spray treatments

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent converts the harmful susceptibility to pests and diseases into a beneficial resistance trait through selective breeding. The 'Lagorai Plus' variety was developed by selecting parent plants with desirable resistance characteristics and breeding them to produce offspring with enhanced natural defense mechanisms, thereby converting the problem of vulnerability into an asset of resistance.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent changes the genetic parameters of the raspberry plant through controlled breeding programs. By selecting specific parental varieties with complementary traits and performing systematic crossing and selection over multiple generations, the genetic composition was modified to achieve superior pest and disease resistance while maintaining fruit quality.

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If conventional raspberry varieties are used, then they can produce fruit, but they show inconsistent quality and limited adaptability to varying environmental conditions

Engineering Contradiction:

Improveadaptability to environmental conditionsVSAvoidconsistency of quality

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent creates a raspberry variety with universal adaptability to different environmental conditions through multi-parent breeding. The 'Lagorai Plus' variety was developed by combining genetic material from multiple parental varieties, each contributing adaptability to specific conditions, resulting in a plant that can thrive across a wide range of environmental parameters while maintaining stable fruit quality.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Productivity

If primocane variety is grown as floricane, then productivity is improved, but autumn production becomes very low

Engineering Contradiction:

Improvesummer productivityVSAvoidautumn production quantity

Core Design Contradiction:

ProductivityVSQuantity of substance

Solution Approach 1:

The patent applies dynamic growth management by allowing the plant to exhibit different productive behaviors in different seasons. The 'Lagorai Plus' variety is trained and managed to maximize floricane production during summer months when market demand and pricing are most favorable, while accepting reduced autumn production as a trade-off for optimized overall profitability and resource allocation.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUSPP25636P3Raspberry plant named ‘Lagorai Plus’

Publication Date: 2015.06.23 SANTORSOLA SOC COOP AGRI

AI summary

The new raspberry variety ‘Lagorai Plus’ was obtained by open pollination of hybrid raspberry plant Tulameen at Faver (Cembra Valley, Province of Trento, Region of Trentino, Italy). The new plant is a primocane variety producing two crops per year, wherein the fruits ripen on current season's cane in late autumn and on previous season's cane in mid-summer. The production of autumn is negligible when in summer is very high. The resulting fruits are conical and strong red in coloration.