Candysweet V Nectarine Breeding for Flavor and Shipping Quality
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Solution Overview
Problem
Existing nectarine varieties face challenges in achieving a balance between flavor, maturity time, and adaptability to specific ecological conditions, with many being acidic, bitter, or having poor shipping qualities.
Innovation Solution
The 'Candysweet V' nectarine variety is developed through a first-generation cross between 'Spring Bright' and 'Ruby Sweet' nectarines, resulting in sub-acidic, sweet, and firm fruit that matures earlier, with improved heat and drought tolerance, making it suitable for commercial orchards and long-distance shipping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing nectarine varieties are used, then fruit production is achieved, but the fruit is acidic and bitter in flavor
Solution Approach 1:
The patent applies parameter changes by crossing two parent varieties with different flavor parameters to produce offspring with improved flavor characteristics. The 'Spring Bright' parent contributes acidity parameters while the 'Ruby Sweet' parent contributes sweetness parameters, and the cross combines these to achieve sub-acidic, sweet flavor in the progeny, directly resolving the harmful taste issue.
2Productivity
If existing nectarine varieties are used, then fruit production is achieved, but the maturity time is extended
Solution Approach 1:
The patent utilizes parameter changes in the genetic composition from crossing two distinct parent varieties to achieve altered maturity parameters. The progeny inherits traits that accelerate maturity compared to parent varieties, reducing the time from planting to harvest and improving productivity while shortening the growth cycle.
3Reliability
If existing nectarine varieties are used, then fruit production is achieved, but the shipping quality is poor
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific firmness parameters in the progeny that exceed those of the parent varieties. The cross between 'Spring Bright' and 'Ruby Sweet' produces offspring with enhanced structural parameters, resulting in firmer fruit that maintains quality during shipping and storage, directly addressing the poor shipping quality issue.
4Reliability
If existing nectarine varieties are used, then fruit production is achieved, but resistance to climatic stress is insufficient
Solution Approach 1:
The patent utilizes parameter changes in the genetic makeup from crossing two adapted parent varieties to produce progeny with improved stress resistance parameters. The cross combines adaptive traits from both parents, resulting in offspring with enhanced physiological parameters for heat and drought tolerance, improving reliability under climatic stress conditions.
Data Source
AI summary
The present invention relates to a new and distinct variety of nectarine tree, Prunus persica, broadly characterized by a large size, vigorous, hardy, self-fertile, productive and regular bearing tree. The fruit matures under the ecological conditions described in mid June, with first picking on Jun. 18, 2006. The fruit is uniformly medium in size, sub-acidic and very sweet in flavor, globose in shape, clingstone in type, very firm in texture, yellow in flesh color, and almost full red in skin color.