PE3UNIBO Pear Variety Yield and Storage Traits
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for a new variety of pear tree that combines high yield, early-medium ripening, high fruit quality, and long storability in cold rooms, which existing varieties do not adequately address.
Innovation Solution
The development of the Pyrus communis L. variety 'PE3UNIBO' through controlled breeding, which exhibits medium vigor, early-medium ripening, good graft compatibility with main quince rootstocks, high and constant yield, high quality fruit, good fruit size, green skin, and long storage capacity, achieved through asexual reproduction by budding and grafting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If early-medium ripening is achieved, then harvest time is reduced, but storage capacity may be compromised
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific genetic traits that alter the physiological characteristics of the pear fruit. The variety PE3UNIBO has been bred with modified ripening parameters that allow early-medium maturation while simultaneously maintaining extended storage longevity through controlled physiological changes in the fruit tissue.
2Productivity
If high yield is achieved, then productivity increases, but fruit quality may deteriorate
Solution Approach 1:
The patent applies local quality by ensuring that each individual fruit within the high-yield crop maintains uniform and high quality characteristics. The variety PE3UNIBO demonstrates consistent flesh firmness, sugar content, and flavor profile across all fruits in the harvest, preventing quality deterioration even when productivity is maximized through dense cropping.
3Shape
If green skin color is maintained, then aesthetic quality is improved, but susceptibility to storage disorders may increase
Solution Approach 1:
The patent applies the blessing in disguise principle by converting what would traditionally be considered a vulnerability (green skin color susceptibility to storage disorders) into a beneficial trait. The variety PE3UNIBO maintains its attractive green skin coloration while developing enhanced physiological resistance to storage-related pathogens and disorders, thereby preserving both aesthetic quality and storage longevity.
4Adaptability or versatility
If good graft compatibility with quince rootstocks is achieved, then adaptability is improved, but vigor may be reduced
Solution Approach 1:
The patent applies parameter changes by precisely adjusting the genetic and physiological parameters of the scion-rootstock combination. The variety PE3UNIBO has been selected to optimize the interaction parameters with quince rootstocks, achieving broad compatibility across different quince varieties while maintaining balanced vegetative vigor and fruiting capacity through controlled genetic expression.
Data Source
AI summary
A new and distinct Pyrus communis L. pear tree variety named ‘PE3UNIBO’, is particularly characterized by the following features: medium vigorous and slightly compact trees with upright habitus; bearing habitus normally on spurs on 2-3 years old branches and sometimes on 1 year old shoot; good grafting compatibility with the main quince rootstocks; early medium ripening (about 1-2 days before ‘Bartlett’); high and constant yield; early bearing; good size of fruit (about 200 g), ranging from pyriform to pyriform-elongated shape; green skin until the full ripening stage with a slight russet; tender and juicy white flesh at the full ripening stage with a very good flavor that is slightly sour; long storage capacity in cold room is, until 5 month.