Sangria Red Interspecific Plum Tree Breeding
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Solution Overview
Problem
Existing interspecific and apricot tree varieties lack desirable traits such as consistent fruit production, early maturity, and disease resistance, which limits their commercial viability and adaptability to different growing conditions.
Innovation Solution
The development of the 'Sangria Red' interspecific tree variety, resulting from a cross between 'Bella Jewel' and '76MA153', which exhibits vigorous growth, regular fruit production, earlier maturity, and good handling and shipping qualities, using 'Nemaguard' rootstock for accelerated fruit production and asexual reproduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing interspecific and apricot tree varieties are used, then commercial viability is limited, but developing new varieties requires extensive breeding programs and time
Solution Approach 1:
The patent applies preliminary action by pre-selecting and characterizing parent varieties ('Bella Jewel' Intersspecific and intersspecific seedling '76MA153') with known desirable traits before crossing. The breeding program systematically evaluates multiple seedlings and selects the最优 candidate ('Sangria Red') based on predetermined criteria for vigor, fruit quality, and disease resistance, thereby streamlining the breeding process and reducing time to market.
2Productivity
If later maturity varieties are used, then fruit production is more established, but earlier maturity varieties offer better market timing and profitability
Solution Approach 1:
The patent applies parameter changes by modifying the maturity parameter of intersspecific plum varieties. The 'Sangria Red' variety was specifically selected and bred to mature approximately 8 days earlier than its seed parent 'Bella Jewel' Intersspecific, while maintaining regular and productive bearing. This temporal parameter shift allows earlier market entry and improved profitability without sacrificing production stability.
3Stability of the object's composition
If pubescent skin varieties are used, then traditional characteristics are maintained, but glabrous skin varieties offer improved handling and shipping ability
Solution Approach 1:
The patent applies local quality by changing the skin surface property from pubescent to glabrous in the 'Sangria Red' variety. This localized trait modification specifically improves handling and shipping ability by reducing surface friction and damage susceptibility, while other variety characteristics such as fruit size, flesh color, and flavor remain consistent with traditional intersspecific plums.
4Productivity
If vigorous growth varieties are selected, then rapid fruit production is achieved, but disease susceptibility may increase
Solution Approach 1:
The patent applies the blessing in disguise principle by selecting parent varieties that possess both vigorous growth characteristics and inherent disease resistance. The 'Sangria Red' variety inherits vigorous growth from its parents, enabling rapid fruit production, while also acquiring disease resistance traits that convert the potential harm of vigorous growth (increased susceptibility) into a benefit through enhanced overall tree health and resilience.
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. Tree having a vigorous, upright growth habit.2. Tree being a regular and productive bearer of medium to large size fruit.3. Fruit with a high degree of attractive reddish purple skin color.4. Fruit with very good flavor and eating quality.5. Fruit with good storage and shipping ability.