Vitex Bailtexfour Cultivar Compact Rebloom Traits
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Solution Overview
Problem
Current cultivars of Vitex agnus-castus lack compact reblooming plant habits, which limits their ornamental landscape appeal and versatility.
Innovation Solution
Development of the 'Bailtexfour' cultivar, characterized by compact size, early and reblooming flowering habit, vigorous growth, and tight rounded form, achieved through controlled breeding and stable asexual propagation by softwood stem cuttings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current cultivars of Vitex agnus-castus are used, then they are available for ornamental planting, but they lack compact reblooming plant habits which limits ornamental landscape appeal
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plants with specific quantitative traits (compact size, reblooming habit, flower color, growth rate) to create a new cultivar that differs from parent plants in multiple parameters simultaneously, thereby achieving superior ornamental landscape appeal
2Stability of the object's composition
If asexual propagation by softwood stem cuttings is used, then the characteristics of the new cultivar are stable and reproduced true to type, but the process requires specific timing and conditions
Solution Approach 1:
The patent applies preliminary action by performing asexual propagation during the summer growing season when softwood cuttings are most viable, and by preparing cutting material in advance before the critical propagation window closes, thereby ensuring stable characteristic reproduction while managing the timing constraints
3Adaptability or versatility
If the new cultivar is propagated by seed, then genetic diversity is maintained, but the desired compact reblooming traits are not reliably reproduced
Solution Approach 1:
The patent applies the extraction principle by separating the propagation process into two distinct pathways: sexual reproduction (seed) for maintaining genetic diversity and wild-type variation, and asexual reproduction (softwood cuttings) for reliably extracting and reproducing the specific compact reblooming traits of the new cultivar, thereby resolving the contradiction between diversity and consistency
Data Source
AI summary
A new cultivar of Vitex plant named ‘Bailtexfour’ that is characterized by its compact plant size; reaching 0.9 to 1.2 m in height and width, its early and reblooming flowering habit, its vigorous growth habit from a young plant, and its tight and rounded plant form.