Vriesea ELECTRIC Cultivar Yellow-Orange Inflorescence
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Solution Overview
Problem
There is a need for a new Vriesea plant cultivar with a good growing habit and attractive inflorescence that differs from existing varieties in terms of inflorescence color, as current cultivars lack a distinct yellow-orange to orange-red hue.
Innovation Solution
The development of the Vriesea 'ELECTRIC' cultivar through controlled breeding, characterized by a funnel-form rosette with yellow-orange to orange-red bipinate spike inflorescence, resulting from crossing Vriesea hybrids '91233' and '91209', and stabilized through asexual reproduction by tissue culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a new Vriesea cultivar is developed through controlled breeding to achieve a distinct yellow-orange to orange-red inflorescence color, then the inflorescence color differentiation is improved, but the breeding program complexity and time required are increased
Solution Approach 1:
The breeding program systematically varied genetic parameters through controlled crosses between specific Vriesea hybrids ('91233' and '91209') to achieve the desired inflorescence color parameter (yellow-orange to orange-red, RHS 14B-33A). This principle is applied by selecting parent plants with specific color characteristics and combining them to produce offspring with the target color phenotype, thereby changing the color parameter while managing breeding complexity through deliberate parental selection.
2Reliability
If tissue culture methods are used for asexual reproduction to stabilize and propagate the new cultivar, then the genetic stability and true-to-type reproduction are improved, but the propagation technology complexity is increased
Solution Approach 1:
The tissue culture process creates exact genetic copies of the selected Vriesea 'ELECTRIC' plant through in vitro propagation. This copying mechanism ensures that each propagated plant is genetically identical to the parent, maintaining the distinctive yellow-orange to orange-red inflorescence color and other cultivar characteristics true-to-type across generations, thereby improving genetic stability while using standardized propagation protocols.
3Ease of manufacture
If the plant is selected from progeny of a controlled cross to achieve unique characteristics, then the distinctiveness of the cultivar is improved, but the selection process time and resources are increased
Solution Approach 1:
The breeding program performed preliminary actions by pre-selecting and characterizing parent hybrids ('91233' and '91209') before crossing to ensure the progeny would exhibit the desired yellow-orange to orange-red inflorescence color. This preliminary characterization of parental lines allowed for more efficient selection of superior offspring, reducing the overall time and resources needed to develop the distinct Vriesea 'ELECTRIC' cultivar with its unique color phenotype.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Vriesea 'ELECTRIC' exhibits a unique and consistent combination of traits, including a yellow-orange to orange-red inflorescence, providing a distinct appearance that differs from similar cultivars like 'STYLE', and demonstrates good plant vigor and adaptability under controlled greenhouse conditions.
Implementation Method 1
Asexual reproduction of the new Vriesea 'ELECTRIC' performed by vegetative means by tissue culture was first performed in 2004, in Assendelft, The Netherlands
Data Source
AI summary
A new and distinct Vriesea sp. plant named ‘ELECTRIC’, characterized as a funnel-form rosette plant, measuring about 40 cm to 50 cm in total height (when flowering) and about 50 cm in diameter; yellow-orange (RHS 14B) in color, with orange-red bract margins (RHS 33A),bipinate spike inflorescence, measuring about 30 cm to 35 cm in height and about 15 cm in diameter; about 7 to 9 branches; and green (RHS 137A) foliage, measuring about 30 cm in length and about 3.5 cm to 4.0 cm in width.