SMS-1-CA-WA 2014-1 Cherry Tree Breeding for Rain Cracking Resistance
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Solution Overview
Problem
Existing sweet cherry varieties face issues with rain cracking, fruit surface discoloration, and high off-grade fruit types, leading to reduced consumer acceptance and market preference due to poor stem retention and small fruit size.
Innovation Solution
The development of the 'SMS-1-CA-WA 2014-1' cherry tree variety, which exhibits early fruiting, large fruit size, low acidity, and improved stem attachment, resulting in higher crop production and lower off-grade fruit percentages, addressing the issues of rain cracking and fruit surface discoloration through specific breeding and propagation techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If early maturing cherry varieties are grown, then harvest time is advanced, but fruit size becomes small and stem retention is poor
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific genetic traits that alter the relationship between maturity timing and fruit development. The 'SMS-1-CA-WA 2014-1' variety represents a parameter change in the genetic composition that allows early maturation while maintaining large fruit size (greater than 30mm) and improved stem attachment, breaking the traditional trade-off between harvest time and fruit quality parameters.
2Productivity
If high crop production is achieved, then yield increases, but off-grade fruit types increase
Solution Approach 1:
The patent applies local quality by ensuring uniform distribution of fruit quality characteristics across the entire crop. The 'SMS-1-CA-WA 2014-1' variety exhibits consistent fruit development with reduced occurrence of off-grade types (deep suture, fruit spurs, doubles) throughout the crop, allowing high productivity while maintaining uniform high quality across all fruits rather than having variable quality within the crop.
Solution Approach 2:
The patent uses parameter changes in the genetic makeup of the variety to alter the relationship between crop load and fruit quality. The variety maintains low off-grade fruit percentages even under high crop production conditions, representing a parameter change that decouples yield from quality degradation.
3Loss of time
If fruit ripens early, then market timing is improved, but fruit becomes prone to rain cracking and surface discoloration
Solution Approach 1:
The patent applies parameter changes by modifying genetic parameters that control cell wall strength, skin integrity, and ripening physiology. The 'SMS-1-CA-WA 2014-1' variety has altered parameters in fruit structure and composition that provide resistance to rain cracking and surface discoloration while maintaining early ripening characteristics, representing a genetic parameter change that improves stress tolerance without sacrificing maturity timing.
Data Source
AI summary
A new and distinct variety of sweet cherry tree, which is denominated varietally as ‘SMS-1-CA-WA 2014-1’ is described, with very high productivity and which produces early ripening fruit considered large in size and low in off-grade fruit types of deep suture, spur, and double fruit formations under the ecological conditions prevailing in Lodi, Calif.