ARVIN GLEN Cherry Tree Breeding for Shipping Quality
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Solution Overview
Problem
There is a need for a new cherry tree variety that is self-unfruitful, yet productive and adaptable to central California's climate, with specific characteristics such as large, sweet, and firm fruit that can thrive under standard commercial rootstocks and maintain quality during shipping.
Innovation Solution
The 'ARVIN GLEN' cherry tree variety, which is self-unfruitful and compatible with 'Colt' rootstock, produces large, oblate, dark red-skinned, pink-fleshed cherries that mature later than 'Glenred', offering medium vigor, heat tolerance, and regular bearing, making it suitable for commercial orchards and long-distance shipping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cherry tree is made self-unfruitful to ensure cross-pollination and fruit quality, then fruit quality and consistency are improved, but the tree requires additional pollinator trees and management complexity increases
Solution Approach 1:
The cherry tree variety is bred to be self-unfruitful, meaning it cannot set fruit on its own and requires cross-pollination from other varieties. This self-service mechanism ensures genetic diversity and consistent fruit quality without requiring human intervention in pollination management, as the tree's biological design automatically enforces cross-pollination requirements
2Reliability
If the cherry tree is bred for large fruit size and sweet flavor, then market quality is improved, but the tree may become less productive in terms of total yield per season
Solution Approach 1:
The cherry tree variety exhibits parameter changes in its fruit characteristics, producing large-sized fruit (1.5-2 inches in diameter) with high sugar content and firm texture. These parameter changes in fruit size, sweetness, and firmness are achieved through selective breeding while maintaining regular bearing habits and good crop load distribution to balance quality and productivity
3Reliability
If the cherry tree matures later than other varieties to avoid early season pests and weather issues, then fruit quality and shipping durability are improved, but the growing season is shortened and productivity may decrease
Solution Approach 1:
The cherry tree variety is bred to mature later in the season (late May to early June), which serves as a preliminary action to avoid early season pests, diseases, and adverse weather conditions. This delayed maturation timing allows the fruit to develop under more favorable conditions, resulting in firmer texture and better shipping quality, while the tree's regular bearing habits compensate for the shortened effective growing season
4Adaptability or versatility
If the cherry tree is grown on standard commercial rootstock for adaptability, then adaptability to central California climate is improved, but control over tree size and vigor may be reduced
Solution Approach 1:
The cherry tree variety is compatible with standard commercial rootstocks, providing universality in terms of adaptability to central California's climate conditions, soil types, and standard orchard management practices. This multi-functionality allows the scion to be grafted onto various rootstock options, enabling growers to select rootstocks that provide desired traits such as dwarfing, disease resistance, or vigor control, thus balancing adaptability with ease of operation
Data Source
AI summary
The present invention relates to a cherry tree, Prunus avium, and more particularly to a new and distinct variety broadly characterized by a medium size, moderately vigorous, hardy, self-unfruitful, very productive and regular bearing tree. The fruit matures under the ecological conditions described in mid May, with first picking on May 16, 2011. The fruit is uniformly large in size, sweet in flavor, somewhat oblate in shape, clingstone in type, firm in texture, pink in flesh color, and full red in skin color.