Caladium 'Bold 'N Beautiful' Breeding and Propagation
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Solution Overview
Problem
There is a need for new Caladium plant cultivars with uniform plant habit, exceptional container and garden performance, and unique leaf coloration that can thrive under various environmental conditions and cultural practices.
Innovation Solution
The development of Caladium X hortulanum 'Bold 'N Beautiful' through cross-pollination of 'White Star' and 'Florida Red Ruffles', characterized by an intermediate height, vigorous growth, and distinctive leaf and petiole coloration, achieved through asexual reproduction by 'chipping' tubers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cross-pollination breeding is performed to create new Caladium cultivars with unique leaf coloration and vigorous growth, then the plant's growth rate and visual appeal are improved, but the plant habit uniformity and genetic stability may worsen
Solution Approach 1:
The patent applies preliminary action by performing controlled cross-pollination between specifically selected parent plants ('White Star' and 'Florida Red Ruffles') before asexual propagation. This preliminary breeding step establishes the desired genetic combination for vigorous growth and unique coloration, which is then fixed through subsequent asexual reproduction to maintain uniformity.
Solution Approach 2:
The patent uses asexual reproduction by tuber chipping to create exact genetic copies of the selected hybrid plant. This copying process ensures that the superior growth rate and unique leaf coloration traits are uniformly reproduced across multiple plants without genetic variation, resolving the contradiction between improving productivity and maintaining stability.
2Stability of the object's composition
If asexual reproduction by tuber chipping is used to propagate the new Caladium cultivar, then genetic stability and true-to-type reproduction are improved, but the time required for propagation and growth completion may worsen
Solution Approach 1:
The patent applies segmentation by dividing the tuber into multiple chips, each containing an axillary bud and cortical tissue. This segmentation allows simultaneous propagation of multiple plants from a single tuber, reducing the overall time to produce multiple uniform plants compared to waiting for natural tuber production and germination.
Solution Approach 2:
The patent performs preliminary tuber chip preparation and planting before the growing season begins. This preliminary action allows the plants to establish quickly and reach completion faster, while the asexual nature of the propagation ensures genetic stability is maintained throughout the accelerated growth period.
3Productivity
If the Caladium plant is bred for vigorous growth and rapid development, then the growth rate is improved, but the plant height may become excessive and lose the desirable mounded habit
Solution Approach 1:
The patent applies local quality by selecting for specific growth characteristics in different parts of the plant. The cross-pollination was designed to produce plants with vigorous lateral growth and mounded habit rather than excessive vertical growth. The resulting 'Bold 'N Beautiful' cultivar exhibits localized vigorous growth that creates a compact, mounded form rather than tall, leggy growth.
Data Source
AI summary
A new and distinct cultivar of Caladium plant named ‘Bold 'N Beautiful’, characterized by its intermediate height and upright mounded plant habit; vigorous growth habit and very rapid growth rate; lance-type leaves that have dark green-colored margins, transitional areas that are white and dark green mosaic, pinkish red-colored venation and the areas adjacent to the veins and interveinal areas that are pinkish red in color; with high light conditions, interveinal areas can be mostly white and/or greenish white variably tinged with purplish or pinkish red; and petioles that are blackish green in color with tan orange-colored stripes, streaks and tessellations.