Supechtwenty Peach Hybridization for Large Fruit and Early Ripening
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Solution Overview
Problem
There is a need for a new and distinct variety of peach that combines large fruit size, low acidity, and early ripening characteristics, which existing peach varieties do not effectively address.
Innovation Solution
The development of the Prunus persica cv. 'Supechtwenty' variety, achieved through hybridization of 'Supechseventeen' and bulk pollen, which is propagated asexually by grafting and exhibits larger fruit size and earlier ripening compared to similar varieties like 'Super Rich', with low acidity and maintained characteristics through successive propagations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If early ripening varieties are selected, then ripening time is reduced, but fruit size is typically smaller
Solution Approach 1:
The patent combines multiple parental varieties with different desirable traits through hybridization. The seed parent 'Supechseventeen' contributes early ripening characteristics, while the pollen parent contributes large fruit size genes, merging these previously separate traits into a single variety that achieves both early maturation and large fruit dimensions (77mm diameter).
Solution Approach 2:
The hybridization process fundamentally changes the genetic parameters of the offspring, creating a new variety with modified ripening time (5 days earlier than 'Super Rich') and increased fruit size (77mm vs 66mm for 'Super Rich'). This parameter transformation resolves the traditional trade-off between ripening speed and fruit development time.
2Object-generated harmful factors
If acidity is reduced for better taste, then flavor quality improves, but disease resistance may be affected
Solution Approach 1:
The patent achieves low acidity (very low compared to medium acidity of parent) specifically in the fruit flesh to improve taste quality, while the tree itself maintains overall health and disease resistance through selective breeding. The acidity modification is localized to the edible portion without compromising the tree's defensive capabilities.
3Volume of moving object
If fruit size is increased, then market value improves, but shipping and keeping quality may deteriorate
Solution Approach 1:
The patent changes multiple parameters simultaneously: fruit size is increased to 77mm diameter for higher market value, while firmness and skin strength are also modified through hybridization to maintain good shipping and keeping quality. The flesh texture is bred to be firm yet low-acid, resolving the contradiction between size and transport durability.
Data Source
AI summary
A new and distinct peach tree variety, Prunus persica, cv. ‘Supechtwenty’ is characterized by fruit with large size, lower acidity and early ripening.