Royal Belle Cherry Tree Early Ripening and Rootstock Adaptation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cherry tree varieties lack desirable traits such as early fruit ripening, consistent productivity, and attractive fruit characteristics, particularly in terms of ripening time and flavor, which are not adequately addressed by existing varieties like 'Royal Lee', 'Bing', and 'Brooks' Cherry.
Innovation Solution
A new cherry tree variety, 'Royal Belle', is developed through asexual reproduction using 'Mahaleb' Rootstock, originating from a cross between proprietary cherry seedlings '20ZD807' and '26MA629', exhibiting vigorous growth, low winter chilling requirements, and producing large, attractive, and flavorful fruit that ripens significantly earlier than its parents and 'Brooks' Cherry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If early fruit ripening is pursued through breeding programs, then fruit ripening time is reduced, but fruit size and flavor quality may deteriorate
Solution Approach 1:
The patent applies parameter changes by selecting specific parent trees with complementary traits and controlling breeding parameters to produce offspring that ripen 7-20 days earlier than parent varieties while maintaining fruit quality. The 'Royal Belle' variety achieves this by optimizing genetic parameters from parent selections '20ZD807' and '26MA629' to simultaneously improve ripening time and preserve flavor characteristics.
2Productivity
If vigorous growth and high productivity are achieved, then yield increases, but tree size and resource requirements increase
Solution Approach 1:
The patent utilizes parameter changes by grafting selected scion wood onto 'Mahaleb' rootstock, which has optimized physiological parameters for resource efficiency. This combination enables the 'Royal Belle' variety to achieve high productivity with reduced resource requirements compared to seed-grown trees, as the rootstock-scion combination optimizes water and nutrient utilization efficiency.
3Adaptability or versatility
If low winter chilling requirement is reduced for warmer climate adaptation, then climate adaptability improves, but fruit set and tree hardiness may worsen
Solution Approach 1:
The patent applies parameter changes by selecting parent trees with adapted chilling requirements and controlling the breeding process to produce offspring with optimized chilling needs. The 'Royal Belle' variety requires approximately 550 chilling hours, a parameter optimized through selective breeding to maintain reliable fruit set while adapting to warmer climate conditions in California and similar regions.
4Stability of the object's composition
If asexual reproduction is used to maintain variety consistency, then genetic stability is improved, but propagation time and cost increase
Solution Approach 1:
The patent applies preliminary action by collecting and storing scion wood from selected parent trees during the dormant season before the active growing period. This preliminary preparation of propagation material allows for efficient budding operations to commence as soon as conditions are favorable, reducing overall propagation time while maintaining genetic stability through controlled asexual reproduction.
Data Source
AI summary
A new and distinct variety of cherry tree. The following features of the tree and its fruit are characterized with the tree budded on ‘Mahaleb’ 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. Early blooming with a low winter chilling requirement of approximately 550 hours at or below 45° F.2. Fruit maturing in the early season.3. Fruit with attractive red skin color.4. Regular and productive bearer of large size fruit.5. Fruit with good flavor and eating quality.