Apriplum III Interspecific Tree Heavy Bloom Cross-Pollination
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Solution Overview
Problem
The existing varieties of plum trees are self-unfruitful and require cross-pollination for normal production, necessitating the presence of plenty of pollinators due to low pollen production, which can be challenging in terms of pollination efficiency and fruit production.
Innovation Solution
The development of the 'Apriplum III' interspecific tree, which is self-unfruitful and requires cross-pollination from an apricot or plum tree, addresses the low pollen production issue by being compatible with 'Nemaguard' rootstock and exhibiting heavy bloom, ensuring adequate pollination and fruit production with a unique two-tone flesh color and strong apricot flavor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the tree produces very light pollen, then pollinator attraction is reduced, but cross-pollination is necessary for fruit production
Solution Approach 1:
The patent introduces an intermediary element (additional pollinators or alternative pollination mechanisms) to bridge the gap between low pollen production and the need for cross-pollination. The heavy bloom provides visual and olfactory intermediaries that attract pollinators despite reduced pollen quantity, enabling fruit production to proceed.
Solution Approach 2:
The patent changes the parameters of the flowering system by producing very heavy blooms with extended duration. This parameter change compensates for low pollen production by increasing the temporal and spatial availability of floral resources, thereby maintaining pollination effectiveness and fruit production.
2Productivity
If the tree is self-unfruitful, then cross-pollination is required, but this increases dependence on external pollinators and pollination efficiency
Solution Approach 1:
The patent employs preliminary action by producing very heavy blooms that occur before or during the optimal pollination window. This advance preparation of abundant floral resources ensures that cross-pollination can occur effectively even though the tree cannot self-fruit, reducing the practical impact of pollination dependency.
Solution Approach 2:
The patent maintains continuity of useful action through extended bloom duration and heavy flower production. This continuous availability of floral resources throughout the pollination period ensures sustained cross-pollination activity, compensating for the inability to self-fruit and reducing dependence on any single pollination event.
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 moderately productive tree. The variety produces a heavy bloom during the mid season with scant pollen and is self-unfruitful. The fruit matures under the ecological conditions described during early July, with first picking on Jul. 1, 2007. The fruit is uniformly small in size, nearly black in skin color, clingstone in type, globose in shape, a red and orange yellow two-tone in flesh color, firm and crisp in texture, and outstanding in flavor, having high sugar and a strong apricot presence.