Red Maple Cultivar RVF-1 Fast Growth Grey-Red Foliage
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Solution Overview
Problem
Current Acer rubrum cultivars lack a unique combination of fast growth rate, consistent grey-red fall foliage, disease and pest resistance, and high tolerance to extreme heat and humidity, which are not adequately addressed by existing varieties.
Innovation Solution
The new cultivar 'RVF-1' exhibits these traits, characterized by a fast growth rate, grey-red fall foliage, good resistance to diseases and pests, and high tolerance to extreme heat and humidity, achieved through asexual propagation by semi-hardwood stem cuttings, distinguishing it from other Acer rubrum varieties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional Acer rubrum cultivars are used, then they provide basic foliage and growth, but they fail to achieve fast growth rate combined with consistent grey-red fall foliage and high tolerance to extreme heat and humidity
Solution Approach 1:
The patent applies parameter changes by selecting and propagating a mutant plant with altered genetic parameters that result in faster growth rate while maintaining consistent grey-red fall foliage color and high tolerance to extreme heat and humidity. The semi-hardwood stem cutting propagation method ensures these parameter changes are stably inherited across generations.
2Reliability
If existing Acer rubrum varieties are used, then they provide standard foliage characteristics, but they lack disease and pest resistance combined with the desired growth rate and foliage color consistency
Solution Approach 1:
The patent utilizes parameter changes through the discovery and propagation of a mutant plant that exhibits altered disease and pest resistance parameters alongside improved growth rate. The vegetative propagation method preserves these combined parameter improvements in successive generations.
3Stability of the object's composition
If conventional propagation methods are used, then standard genetic variation occurs, but this prevents stable reproduction of the unique combination of fast growth, grey-red foliage, and harsh condition tolerance
Solution Approach 1:
The patent applies the copying principle through vegetative propagation by semi-hardwood stem cuttings, which creates genetically identical copies of the mutant plant. This method preserves the unique combination of fast growth rate, grey-red fall foliage, and tolerance to extreme conditions without the genetic variation introduced by sexual reproduction.
Data Source
AI summary
A new cultivar of Acer tree named ‘RVF-1’ that is characterized by its fast growth rate. Its consistent fall foliage colors that is grey-red in color in early November, its foliage with good resistance to diseases and pests, and its high tolerance to extreme heat and humidity.