Interspecific Tree Merging Parent Traits for Fruit Consistency
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Solution Overview
Problem
Existing plum and apricot varieties face challenges in consistency and maturity timing, with issues related to fruit size, firmness, and bearing habits, which affect their commercial viability and consumer appeal.
Innovation Solution
An interspecific tree variety, [Prunus armeniaca×(Prunus salicina×Prunus armeniaca)], is developed through asexual reproduction by budding onto 'Nemaguard' Rootstock, combining desirable traits from '25ED21' and '36GH296' seed and pollen parents, resulting in a vigorous, productive tree with larger, firmer, and more uniformly sized fruit that matures earlier.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing plum and apricot varieties are used, then commercial viability is maintained, but consistency in fruit size and maturity timing is poor
Solution Approach 1:
The patent combines two different parent varieties ('25ED21' and '36GH296') through controlled cross-breeding to create a hybrid interspecific tree. This merging of parental traits produces offspring with improved consistency in fruit size and maturity timing while maintaining commercial viability, directly resolving the technical contradiction between fruit consistency and commercial reliability.
2Strength
If existing apricot varieties are used, then fruit production is achieved, but fruit firmness and handling quality are insufficient
Solution Approach 1:
The hybrid intersspecific tree merges the fruit production capability of apricot parent '25ED21' with the firmness traits from pollen parent '36GH296'. The resulting variety maintains productive fruit production while achieving superior fruit firmness and handling quality, resolving the contradiction between strength and productivity.
3Loss of time
If existing plum varieties are used, then fruit bearing is achieved, but maturity timing consistency varies
Solution Approach 1:
The cross-breeding program merges the fruit bearing productivity of plum parent '36GH296' with the maturity timing consistency of apricot parent '25ED21'. The hybrid variety achieves both reliable fruit bearing and consistent maturity timing, eliminating the time loss associated with variable ripening schedules while maintaining productivity.
4Volume of moving object
If fruit size is increased, then consumer appeal improves, but handling and shipping quality deteriorates
Solution Approach 1:
The hybrid variety merges large fruit size from pollen parent '36GH296' with firm flesh characteristics from seed parent '25ED21'. This combination produces large fruits that maintain firmness and structural integrity, improving consumer appeal while preserving handling and shipping quality.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The new variety exhibits consistent fruit production, improved fruit quality, and enhanced handling and shipping characteristics, with fruit that is firmer and larger than its parents, ensuring better market appeal and storage quality.
Implementation Method 1
Asexual reproduction of the new and distinct variety of intersspecific tree was by budding to 'Nemaguard' Rootstock (non-patented), as performed by us in our experimental orchard located near Modesto, Calif., and shows that reproductions run true to the original tree and all characteristics of the tree and its fruit are established and transmitted through succeeding asexual propagations.
Data Source
AI summary
A new and distinct variety of interspecific 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. Vigorous, upright tree growth.2. Regular production of large size fruit.3. Fruit with good flavor and eating quality.4. Fruit with good handling and storage ability.5. The interspecific tree being self-fruitful, producing fruit with its own pollen.