Caladium Cultivar BRZ STR 013-22173 Breeding and Propagation
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Solution Overview
Problem
Current Caladium cultivars lack uniform plant habit, rapid growth rate, and unique leaf coloration, which are desirable for container and garden performance.
Innovation Solution
The development of Caladium X hortulanum 'BRZ STR 013-22173' through cross-pollination between Caladium 'Desert Sunset' and 'Red Flash', exhibiting intermediate height, vigorous growth, lance-type leaves with reddish bronze to dark orange color and tan petioles with brown stippling, distinguishing it from other cultivars.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If cross-pollination breeding is performed to create new Caladium cultivars, then unique leaf coloration and uniform plant habit are achieved, but breeding time and complexity increase
Solution Approach 1:
The patent performs preliminary breeding actions by crossing 'Desert Sunset' and 'Red Flash' cultivars to pre-establish the desired genetic combination for uniform plant habit and unique coloration before commercial propagation, thereby reducing future breeding time
Solution Approach 2:
Once the desired plant habit and coloration are achieved through crossing, the patent uses tuber chipping (asexual reproduction) to create multiple identical copies of the selected cultivar, maintaining uniformity without requiring repeated breeding cycles
2Reliability
If cross-pollination is used to develop new cultivars, then exceptional container and garden performance is achieved, but the complexity of the breeding program increases
Solution Approach 1:
The patent changes key genetic parameters through controlled cross-pollination between specific parent cultivars with known desirable traits, achieving reliable container and garden performance by combining proven genetic characteristics
Solution Approach 2:
The patent uses self-contained tuber propagation (chipping) where the plant reproduces itself asexually, eliminating the need for complex annual breeding programs while maintaining consistent performance characteristics
3Stability of the object's composition
If asexual reproduction by tuber chipping is used, then stable reproduction of unique features is achieved, but the time to reach maturity in containers is extended
Solution Approach 1:
The patent uses tuber chipping to create exact genetic copies of the selected plant, ensuring stable reproduction of the unique reddish bronze to dark orange leaf coloration with pink spots across all propagated plants
Solution Approach 2:
The patent performs preliminary selection and crossing to establish the desired coloration pattern before propagation, so that all subsequent asexual reproductions inherit the stable, pre-determined color characteristics without requiring additional selection time
4Shape
If intermediate height and upright plant habit are selected, then dense leafy appearance is achieved, but the plant size is reduced compared to some parent cultivars
Solution Approach 1:
The patent selects for localized density and leafiness in the upper plant portions while accepting reduced overall height, creating a compact, dense appearance ideal for container cultivation where vertical space is limited but foliage density is desired
Data Source
AI summary
A new and distinct cultivar of Caladium plant named ‘BRZ STR 013-22173’, characterized by its intermediate height and upright to mounding plant habit; dense, leafy and bushy appearance; vigorous growth habit and rapid growth rate; lance-type leaves that are reddish bronze to dark orange in color with variable and random pink-colored spots; intervenous and leaf notch areas may be tinged with green especially on plants that have not been de-eyed; and petioles that are tan in color with faint brown-colored stippling, streaks and tessellations.