Eugenin Avocado Variety Resolving Fruit Size and Market Acceptance
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Solution Overview
Problem
The avocado industry faces challenges in growing varieties other than 'Hass' due to market preference and issues with fruit size, as none of the alternative varieties have gained significant interest from growers despite solving the fruit size problem, as seen with varieties like Esther, which lacks market appeal due to green skin.
Innovation Solution
The 'Eugenin' variety of avocado tree, discovered as a mutated bud from 'Hass', consistently produces larger fruit than 'Hass', with stable mutation and true-to-type characteristics, offering a larger fruit size and dark purple/black skin, appealing to market preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If growers cultivate alternative avocado varieties to diversify production, then market preference and consumer acceptance improve, but fruit size remains small leading to reduced grower returns
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a specific avocado variety ('Eugenin') that possesses altered genetic parameters resulting in significantly larger fruit size (average 300g vs. 150g for Hass) while maintaining other desirable characteristics such as skin color, flavor, and market acceptance. This variety-specific parameter change resolves the contradiction by providing both diversity and large fruit size.
2Quantity of substance
If growers cultivate alternative avocado varieties with larger fruit size, then grower returns increase, but market preference and consumer acceptance decrease due to different skin color or appearance
Solution Approach 1:
The patent applies local quality by preserving specific desirable traits (dark purple/black skin color, elongated shape, flavor profile) while changing the local quality of fruit size. The 'Eugenin' variety maintains the characteristic Hass-like appearance and consumer-preferred traits in all aspects except fruit size, which is significantly larger. This selective preservation of local qualities ensures market acceptance while achieving larger fruit size.
3Stability of the object's composition
If a single avocado variety is cultivated extensively, then market supply consistency is maintained, but fruit size remains limited and grower returns are reduced
Solution Approach 1:
The patent applies copying by creating propagated clones of the 'Eugenin' variety through budwood grafting onto rootstock. This ensures genetic uniformity and consistent large fruit size across multiple trees and locations, while maintaining the stability of supply. The variety has been propagated to multiple trees in commercial orchards, demonstrating that copying the successful genotype maintains both supply consistency and enlarged fruit size.
Data Source
AI summary
The ‘Eugenin’ avocado variety is notable for its larger fruit size and seed size, than that of the ‘Hass’ variety.