Honey Gem Nectarine Tree Ripening Window and Fruit Firmness
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Solution Overview
Problem
Existing nectarine tree varieties lack a cultivar with large, firm, and sweet fruit that ripens later than 'Honey Royale' but earlier than 'Ruby Gold', and exhibits vigorous growth and good handling quality.
Innovation Solution
A new nectarine tree variety (Prunus persica var. nucipersica) was developed through asexual reproduction by crossing a proprietary seedling '349LH508' with 'Honey Royale', resulting in a tree that produces larger, firm, yellow flesh clingstone fruits with a mild sweet flavor, ripening approximately 12 days later than '349LH508' and 24 days later than 'Honey Royale', and is grafted onto 'Nemaguard' rootstock.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing nectarine varieties are used, then fruit production is maintained, but fruit size, firmness, and flavor quality are insufficient
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific fruit characteristics including larger size, increased firmness, and modified flavor composition (mild sweet low acid). The Honey Gem variety represents a deliberate shift in fruit parameters compared to existing varieties, achieving superior eating quality through controlled breeding that modifies multiple fruit parameters simultaneously.
2Loss of time
If early-ripening varieties like Honey Royale are used, then market timing is optimized, but fruit size and ripening flexibility are limited
Solution Approach 1:
The patent applies dynamics by creating a variety with adjustable ripening timing that can be optimized for different market windows. Honey Gem ripens approximately 12 days later than its seed parent and 24 days later than Honey Royale, providing a flexible ripening schedule that extends the harvesting window and allows for both early and late market positioning depending on thinning and cultural practices.
3Productivity
If vigorous growth is achieved through breeding, then productivity increases, but tree size management becomes more challenging
Solution Approach 1:
The patent applies local quality by differentiating between root system characteristics and above-ground tree structure. The variety is propagated on Nemaguard rootstock, which provides vigorous root growth and disease resistance, while the scion is pruned and trained to maintain a manageable canopy structure. This separation allows the root system to drive productivity while the above-ground portion remains controllable through standard pruning practices.
Data Source
AI summary
A new and distinct variety of nectarine tree. The following features of the tree and its fruit are characterized with the tree budded on ‘Nemaguard’ Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, Calif., with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consist of the following combination of desirable features:1. Heavy and regular bearer of large size fruit.2. Producing fruit that has a mild, sweet, sub-acid flavor with very good eating quality.3. Producing fruit with good handling and shipping quality.4. Fruit holding firm on the tree 8 to 10 days past maturity.5. Vigorous and upright tree growth.