Crimson Treasure Raspberry Plant Extended Harvest and Yield
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Solution Overview
Problem
Current primocane-bearing red raspberry varieties have limited harvest seasons and less desirable fruit and cane characteristics, such as shorter harvest duration, lower yields, and less sturdy canes with more spines, making them less adaptable to temperate climates and less efficient for double cropping.
Innovation Solution
The development of the 'Crimson Treasure' red raspberry plant, resulting from a cross between Cornell selection NY02-57 and 'Rafzaqu', which exhibits extended harvest seasons, high yields, sturdy upright canes with multiple branches, and bright, intense red, cone-shaped fruit, optimized for temperate climates like west central New York, and can benefit from protective structures like plastic hoop houses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If current primocane-bearing red raspberry varieties are used, then fruit production is achieved, but harvest season is limited and yield is lower
Solution Approach 1:
The patent changes the temporal parameters of fruit production by extending the harvest season from the typical short primocane window to a prolonged period lasting into late fall and early winter. This is achieved through genetic selection that modifies the phenological characteristics of the raspberry plant, allowing fruiting to continue well into the season while maintaining high yields.
2Strength
If current primocane-bearing red raspberry varieties are used, then fruit production is achieved, but canes are less sturdy and have more spines
Solution Approach 1:
The patent applies local quality modification by creating canes with differentiated characteristics: the upper portions of canes are selected for being spineless or having reduced spines to facilitate fruit handling and harvesting, while the lower portions maintain adequate spines for plant protection. This localized modification of cane quality resolves the contradiction between sturdiness and spine density.
3Ease of operation
If current primocane-bearing red raspberry varieties are used, then fruit production is achieved, but fruit accessibility is difficult due to cane structure
Solution Approach 1:
The patent inverts the typical raspberry cane structure by selecting for canes that are spineless or have reduced spines on the upper portions, making the canes smoother and more accessible for harvesting. This structural inversion from the conventional spiny cane type improves fruit accessibility while maintaining the necessary structural integrity for plant health.
Data Source
AI summary
This invention relates to a new and distinct primocane bearing red raspberry plant designated as ‘Crimson Treasure’ primarily adapted to growing conditions of west central New York and other regions of similar climate. The new plant is primarily characterized by sturdy upright canes, conical fruit that is longer than broad, an extended mid-season to late season primocane production period, open display of fruit and intense red fruit color.