Panicum Niagara Falls Cultivar Breeding and Propagation
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Solution Overview
Problem
Existing Switch Grass cultivars lack a combination of stable blue-green foliage retention through the fall, upright and dense culms that prevent lodging, a broad arching skirt, and airy panicles transitioning to creamy-tan seed heads retained into winter.
Innovation Solution
Panicum 'Niagara Falls' is a new cultivar resulting from a cross between 'Apache Rose' and 'Northwind', characterized by slightly taller height, more arching blue-green foliage, and unique panicle and seed head traits, which are asexually propagated to maintain these distinct characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If existing Switch Grass cultivars are used, then they have various foliage colors and growth habits, but none maintain stable blue-green foliage retention through fall while having upright dense culms that prevent lodging
Solution Approach 1:
The patent applies parameter changes by selecting and breeding for specific phenotypic parameters: blue-green foliage color, upright culm orientation, dense culm arrangement, and arching foliage habit. These parameter selections in the breeding process produced 'Niagara Falls' with the desired combination of stable color retention and lodging resistance that neither parent cultivar possessed individually.
2Adaptability or versatility
If Panicum 'Niagara Falls' is bred with multiple desirable traits, then it achieves unique characteristics, but requires stable asexual propagation to maintain true-to-type reproduction
Solution Approach 1:
The patent employs copying through asexual propagation by division to reproduce identical copies of the selected plant. This propagation method ensures that the unique combination of traits in 'Niagara Falls' is replicated true-to-type in successive generations, maintaining the stability of the cultivar's distinctive characteristics.
Data Source
AI summary
A new and distinct plant of ornamental Switch Grass named Panicum ‘Niagara Falls’ with wide, blue-green, broadly-arching foliage that retains its coloration into the fall. The upright and dense culms produce medium-height plants with broadly-spreading airy panicles beginning greyed reddish-purple and becoming tan seed heads that are retained into winter. The broadly-arching foliage produces a wide skirt effect below the panicles. The new plant is useful in the landscape as a specimen, en masse, or in a container.