Moana Apple Tree Solid Red Flush and Storage Quality
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Solution Overview
Problem
Existing apple tree varieties lack a distinctive and attractively colored fruit with solid red flush and firm, crisp flesh texture that maintains quality during storage and handling.
Innovation Solution
The 'Moana' apple tree variety, derived from a limb sport mutation of 'Nagafu-6' Fuji, produces globose apples with 95-100% solid red flush and firm, crisp flesh, suitable for commercial storage and handling, distinguished by its unique coloration and texture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing apple tree varieties are used, then they can be grown and harvested, but they lack distinctive attractively colored fruit with solid red flush and firm crisp flesh texture
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a sport mutation that exhibits dramatically different fruit characteristics (95-100% solid red flush, globose shape, firm crisp flesh) from the parent Nagafu-6 Fuji variety (30-40% red flush with striping). This genetic parameter change creates a new variety with superior and consistent fruit quality attributes.
2Duration of action of stationary object
If apple varieties are harvested for fresh market, then they can be sold, but they deteriorate in quality during storage periods
Solution Approach 1:
The Moana variety possesses inherent physiological properties that cushion against storage deterioration. The firm crisp flesh texture and solid red flush coloration are maintained throughout storage periods, providing a buffer against quality loss that allows commercial storage without significant deterioration.
3Shape
If apple varieties are selected for color and texture, then they meet market preferences, but they may have limited adaptability to different growing conditions
Solution Approach 1:
The patent develops Moana with locally optimized qualities for the fresh market sector while maintaining the genetic background of Nagafu-6 Fuji that provides adaptability. The sport mutation provides the desired local quality (solid red flush, globose shape) while the underlying variety maintains broader environmental adaptability.
Data Source
AI summary
A new and distinct variety of apple tree ‘Malus domestica Mil’ named ‘Moana’ is described and which is characterized by a date of maturity of April 15th or later under the ecological conditions prevailing near Nelson, New Zealand.