Petunia Breeding for Violet Veining and Semi-Trailing Habit
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Solution Overview
Problem
There is a need for new and distinct varieties of Petunia x atkinsiana (syn. P. x hybrida) that exhibit unique flower color and semi-trailing plant habit, which are not currently available in existing varieties.
Innovation Solution
A new Petunia variety, 'KLEPH24734', is developed through controlled cross-pollination of proprietary lines 'KLEPH14245' and 'PH-2018-4744', exhibiting large light violet flowers with darker violet veins and a semi-trailing plant habit, achieved via vegetative propagation and tissue culture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If controlled cross-pollination between proprietary lines is performed, then unique flower color and semi-trailing plant habit are achieved, but breeding time and complexity increase
Solution Approach 1:
The patent performs preliminary controlled cross-pollination between specifically selected proprietary lines (KLEPH14245 and PH-2018-4744) to pre-establish the desired genetic combination before commercial propagation. This preliminary breeding action creates a ready-to-propagate variety with unique flower color and semi-trailing habit, eliminating the need for repeated breeding cycles during commercial production.
2Reliability
If vegetative propagation and tissue culture are used, then true-to-type reproduction is achieved, but propagation complexity and cost increase
Solution Approach 1:
The patent employs vegetative propagation through terminal tip cuttings and tissue culture to create exact genetic copies of the selected plant. This copying method ensures that each propagated plant is an identical clone of the parent, guaranteeing true-to-type reproduction of the unique flower color and semi-trailing habit without genetic variation.
Data Source
AI summary
A new Petunia plant particularly distinguished by large light violet flowers with darker violet veins and a semi-trailing plant habit, is disclosed.