SPC495 Cherry Cultivar Breeding for Late Harvest and Split Resistance
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Solution Overview
Problem
Existing cherry tree cultivars lack improvements in fruit appearance, taste, firmness, productivity, precocity, harvest timing, split resistance, and disease resistance, with limited options for late harvest and self-fertile varieties with low natural splitting and good storage potential.
Innovation Solution
The development of the 'SPC495' sweet cherry tree cultivar, which is the result of a breeding program focusing on improved fruit characteristics, including late harvest, self-fertile flowers, large fruit with low splitting, and good storage potential, achieved through asexual propagation by budding onto Mazzard rootstock.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If existing cherry tree cultivars are used, then traditional harvest timing is achieved, but late harvest option is not available
Solution Approach 1:
The patent applies parameter changes by developing a new cultivar 'SPC495' with genetically determined physiological parameters that shift the harvest timing to very late season (mid- to late-September), extending the harvest period beyond traditional cultivars and providing flexibility in harvest scheduling
2Productivity
If existing cherry tree cultivars are used, then fruit production is achieved, but self-fertility is not guaranteed
Solution Approach 1:
The patent applies self-service by developing cultivar 'SPC495' with self-fertile flowers that can set fruit without requiring cross-pollination from other trees, making the cultivar independently productive and reliable for fruit production in isolation
3Productivity
If existing cherry tree cultivars are used, then fruit harvest is achieved, but natural splitting occurs at higher rates
Solution Approach 1:
The patent applies parameter changes by developing cultivar 'SPC495' with genetically determined physiological parameters that reduce natural fruit splitting to very low levels (less than 1% in field trials), improving reliability of fruit integrity during harvest and storage
4Duration of action of stationary object
If existing cherry tree cultivars are used, then fruit storage is achieved, but storage potential is limited
Solution Approach 1:
The patent applies parameter changes by developing cultivar 'SPC495' with genetically determined physiological parameters including firm flesh texture and low splitting tendency, enabling extended storage duration (multiple weeks) while maintaining high storage quality and marketability
5Quantity of substance
If existing cherry tree cultivars are used, then fruit size is achieved, but fruit appearance and quality are not optimized
Solution Approach 1:
The patent applies parameter changes by developing cultivar 'SPC495' with genetically determined physiological parameters that produce large fruit size with optimized appearance characteristics including dark red color, glossy skin, and firm flesh texture, achieving both quantity and quality improvements
Data Source
AI summary
A new cultivar of Prunus avium tree named ‘SPC495’ that is characterized by its very late fruit harvest, its flowers that are self-fertile, its large fruit with a desirable appearance, its fruit with a low level of natural splitting, and its good storage potential in regular air MAP bag.