Plumcandy XV Plum Tree Cross-Pollination and Ripening
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for a new plum tree variety that is self-unfruitful, requiring cross-pollination, with fruit characteristics such as being medium in size, having a full red skin color, red to pink flesh, firm texture, and sweet flavor, which are distinct from existing varieties like 'September Yummy' and 'Plumsweet V', and capable of ripening earlier.
Innovation Solution
The development of the 'Plumcandy XV' plum tree variety, which is a result of hybridization between 'September Yummy' and other plum and interspecific trees, characterized by its medium size, vigorous growth, self-unfruitfulness, and unique fruit characteristics, including being clingstone, heart-shaped, and ripening about 15 days earlier than 'September Yummy' and 18 days later than 'Plumsweet V', with a specific combination of traits that facilitate cross-pollination and optimal ecological conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the plum tree is self-unfruitful requiring cross-pollination, then fruit quality and flavor are improved, but the complexity of cultivation and pollination management increases
Solution Approach 1:
The patent introduces bee hives as intermediary agents to facilitate cross-pollination between plum trees. The bees act as natural mediators that transfer pollen between flowers, enabling the self-unfruitful variety to produce high-quality fruit without requiring complex manual pollination procedures. This resolves the contradiction by maintaining fruit quality while simplifying pollination management through the use of natural pollinators.
2Reliability
If the fruit is smaller in size with clingstone type, then shipping durability and storage life are improved, but the market preference and consumer acceptance may be reduced
Solution Approach 1:
The patent changes key parameters of the fruit including size (smaller), texture (clingstone), skin color (red), and flesh color (red to pink) to optimize both shipping durability and market acceptance. The smaller size and clingstone type improve shipping durability and storage life, while the attractive red coloration and sweet flavor profile maintain consumer appeal. This resolves the contradiction by carefully selecting and balancing multiple fruit parameters to satisfy both durability and marketability requirements.
3Loss of time
If the variety ripens about fifteen days earlier than September Yummy, then the harvesting window and market timing are improved, but the tree vigor and productivity may be compromised
Solution Approach 1:
The patent achieves earlier ripening (approximately fifteen days before September Yummy) through preliminary genetic selection and hybridization that predisposes the tree to earlier fruit maturation. The Plumcandy XV variety was developed by selecting and crossing parent trees with desirable early-ripening characteristics, allowing the fruit to mature earlier in the season while maintaining adequate tree vigor and productivity through careful breeding program management.
Data Source
AI summary
The present invention relates to a plum tree and more particularly to a new and distinct variety broadly characterized by a medium size, vigorous, hardy, and productive tree. Being self-unfruitful, the present variety requires cross pollination from another plum or interspecific tree that blooms during the mid to late season, such as ‘Plumsweet X’ interspecific tree (U.S. Plant Pat. No. 19,528). The present variety's abundance of blossoms and moderate pollen production entices strong bee activity to facilitate pollination. The fruit matures under the ecological conditions described during the second week of September, with first picking on Sep. 13, 2018. The fruit is uniform, medium in size, almost full red in skin color, clingstone in type, red to pink in flesh color, firm in texture, juicy, very sweet and excellent in flavor.