YCP Apple Tree Lime Green Fruit Color Mutation
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Solution Overview
Problem
There is a need for a distinct apple tree cultivar that exhibits unique characteristics such as bright lime green fruit color, lack of red anthocyanin in wood and leaf petiole, and specific blossom colors, which are not present in existing varieties like 'Cripps Pink' and 'Golden Delicious', and can be reliably propagated through asexual reproduction.
Innovation Solution
The new apple tree variety 'YCP' is a spontaneous limb mutation of 'Cripps Pink' with distinct lime green fruit, yellow-green shoots, white petals, and yellow-green balloon blossoms, which has been asexually propagated and observed to retain its characteristics through successive generations, differing from its parent and similar varieties like 'Golden Delicious'.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a spontaneous limb mutation is selected from an existing variety, then unique distinguishing characteristics such as lime green fruit color and lack of red anthocyanin are achieved, but the reliability of trait inheritance through asexual reproduction must be verified
Solution Approach 1:
The patent uses asexual reproduction through bud grafting to create exact genetic copies of the mutated limb. Multiple trees were propagated from the original mutation to verify consistent inheritance of distinguishing characteristics including lime green fruit color, yellow-green shoots, and absence of red anthocyanin in wood and petioles.
Solution Approach 2:
The patent implements systematic observation and documentation of propagated trees to verify trait consistency. Multiple generations of asexually propagated trees were monitored to confirm stable inheritance of the mutation characteristics, providing feedback on the reliability of the propagation method.
2Ease of manufacture
If distinct color characteristics are selected in a new variety, then market differentiation and unique appearance are achieved, but the variety may have reduced adaptability to different growing conditions
Solution Approach 1:
The patent preserves the adaptability of the parent 'Cripps Pink' variety while introducing localized color mutations. The tree maintains the parent's vigor, disease resistance, and environmental adaptability, while the mutation provides distinct local characteristics in fruit color (lime green), shoot color (yellow-green), and blossom color (white and yellow-green).
Data Source
AI summary
A new and distinct apple tree Malus domestica named ‘YCP’. ‘YCP’ is a spontaneous limb mutation of the variety ‘Cripps Pink’ and is distinguished by its bright lime green fruit color, its Yellow-green one-year old shoots, its petals of white-only color, and its pedicel, sepals and balloon blossom all of Yellow-green color.