Blackred III Interspecific Plum Tree Pollen Production
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Solution Overview
Problem
Existing plum tree varieties face challenges in cross-pollination due to self-unfruitfulness and limited pollen production, resulting in reduced fruit productivity and quality, particularly in varieties like 'Plumsweettwo' that require cross-pollination but struggle with these issues.
Innovation Solution
The development of the 'BLACKRED III' interspecific plum tree variety, which is self-unfruitful and requires cross-pollination, addresses these challenges by producing abundant pollen and fruit, resulting in larger, black-skinned, clingstone fruit with improved productivity and flavor, facilitated by strong bee activity and compatibility with 'Nemaguard' rootstock.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If self-unfruitful plum tree varieties are used, then cross-pollination is required which can improve fruit quality, but pollen production is limited resulting in reduced productivity
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plum trees with specific genetic parameters that enhance pollen production capacity. The invention identifies and cultivates trees with increased anther size, higher pollen yield, and improved pollen viability, thereby changing the biological parameters of the tree to resolve the contradiction between requiring cross-pollination and maintaining limited productivity.
2Manufacturing precision
If cross-pollination is implemented to improve fruit quality, then fruit size and flavor can be enhanced, but pollen scarcity limits the effectiveness of cross-pollination
Solution Approach 1:
The patent employs copying by creating multiple clones of the selected high-pollen-producing parent tree through asexual reproduction methods such as budding and grafting. This ensures that the desirable pollen production characteristics are replicated across multiple trees, thereby increasing the overall pollen quantity available for cross-pollination while maintaining consistent fruit quality.
Solution Approach 2:
The invention changes the biological parameters of the plum tree by selecting parents with superior pollen production traits and breeding them to produce offspring with enhanced pollen quantity and quality, directly addressing the pollen scarcity limitation.
3Productivity
If abundant pollen production is achieved, then cross-pollination effectiveness improves, but tree variety complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the breeding program into distinct phases: selecting parent trees with desired traits, conducting controlled cross-pollination, selecting offspring with improved pollen production, and replicating successful lines. This segmented approach manages the complexity of variety development by breaking down the breeding process into manageable steps with clear objectives at each stage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The 'BLACKRED III' variety ensures reliable cross-pollination, increases fruit size and productivity, and enhances flavor and texture, making it suitable for commercial orchards with improved shipping and storage qualities.
Implementation Method 1
The present variety's abundance of blossoms and pollen entices strong bee activity to facilitate pollination
Implementation Method 2
strong bee activity to facilitate pollination
Data Source
AI summary
The present invention relates to an interspecific 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 an apricot, plum, or interspecific that blooms during the early to mid season. The fruit matures under the ecological conditions described during late July, with first picking on Jul. 29, 2006. The fruit is uniformly large in size, black in skin color, clingstone in type, somewhat cordate in shape, red in flesh color, very firm in texture, and outstanding in flavor.