NECTARPERF Nectarine Tree Hybridization for Extended Shelf Life
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Solution Overview
Problem
There is a need for a white nectarine tree variety that offers a long shelf life without alteration after harvesting, with semi-early to semi-late flowering period, and produces large, firm, and aromatic fruit suitable for commercial fresh market production, particularly in the Pyrénées-Orientales department of France.
Innovation Solution
The 'NECTARPERF' variety, derived from hybridizing 'NECTARIANE' and 'NECTARCRISP', exhibits semi-early to semi-late flowering, late maturity, and produces fruit with a very long shelf life, characterized by its large size, firmness, and semi-sweet, aromatic qualities, making it suitable for commercial fresh fruit production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If early-maturing nectarine varieties are used, then productivity and earlier market entry are improved, but shelf life and durability of fruit are reduced
Solution Approach 1:
The patent applies parameter changes by selecting specific genetic traits from parent varieties that control fruit maturation rate and shelf life. The hybridization process modifies the biological parameters of fruit development to achieve a balance between early maturity and extended shelf life, resulting in a variety that matures in mid-season but maintains durability for over 4 weeks post-harvest.
2Volume of moving object
If large fruit size is selected, then market appeal and yield per tree are improved, but firmness and resistance to bruising may be reduced
Solution Approach 1:
The patent applies local quality by developing large fruit (average weight 100-150g) with specifically enhanced skin thickness and firmness characteristics. The skin structure is locally optimized to provide extra protection against bruising, while the flesh maintains large volume and attractive appearance, achieving both market appeal and handling durability.
3Illumination intensity
If white-fleshed nectarines are used, then aesthetic appeal and aromatic quality are improved, but susceptibility to browning and quality degradation after harvesting increases
Solution Approach 1:
The patent applies beforehand cushioning by selecting parent varieties with genetic traits that prevent enzymatic browning in white-fleshed fruit. The hybrid inherits protective mechanisms that cushion against quality degradation, maintaining the attractive white flesh appearance and aromatic qualities for over 4 weeks after harvesting without browning or softening.
4Adaptability or versatility
If semi-early to semi-late flowering period is selected, then adaptability to climatic conditions is improved, but productivity compared to early varieties is reduced
Solution Approach 1:
The patent applies universality by creating a variety with multi-functional adaptability: the semi-early to semi-late flowering period (mid-March to early April) allows the tree to adapt to various climatic conditions and avoid frost damage, while maintaining high productivity through vigorous growth and good fruit set. The variety serves multiple functions across different environmental conditions.
Data Source
AI summary
A new and distinct variety of white nectarine tree, denominated ‘NECTARPERF’, has a large fruit of very long shelf life without alteration after harvesting, a semi-sweet white flesh of high eating quality and an attractive bright purple red skin color. The tree is of large size and is vigorous. Fruit can be consumed crunchy or at maturity.