Sundasiro Petunia Cultivar Breeding for Mounding Habit and Double Flowers
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Solution Overview
Problem
There is a need for new semi-upright and mounding Petunia plants with attractive double-type flowers that can thrive under various environmental conditions and exhibit distinct characteristics such as vigorous growth, early and prolonged flowering, and specific flower and leaf coloration.
Innovation Solution
A new cultivar of Petunia×hybrida, named 'Sundasiro', developed through a breeding program, characterized by a semi-upright and mounding habit, vigorous growth, freely branching, early and prolonged flowering, and double-type white-colored flowers, distinguished from other cultivars by its unique traits and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If traditional Petunia cultivars are used, then they may have simpler growth habits, but they lack the semi-upright and mounding habit with vigorous growth that is desired
Solution Approach 1:
The patent applies parameter changes by selecting and stabilizing specific genetic traits that control plant architecture. The semi-upright and mounding habit is achieved through controlled breeding that modifies growth parameters, creating a novel plant form that combines compact shape with vigorous growth capability. This is evident in the detailed botanical description specifying plant height, spread, and growth pattern parameters.
2Shape
If existing Petunia varieties are selected, then they may have simpler flower types, but they lack the attractive double-type flowers with specific coloration
Solution Approach 1:
The patent applies local quality by developing flowers with specific regional characteristics - double-type flowers with particular color patterns and petal arrangements. The flower description details specific features such as petal layers, color gradients, and markings that are localized to this cultivar, creating distinctive floral quality while maintaining reliable color expression across plants.
Solution Approach 2:
The patent modifies flower parameters through breeding to achieve double-type flowers with specific coloration. The detailed flower measurements and color descriptions indicate controlled changes in petal number, size, shape, and color intensity parameters, resulting in reliable and consistent floral characteristics across the cultivar.
3Duration of action of moving object
If conventional Petunia cultivars are used, then they may have shorter flowering periods, but they lack the early and prolonged flowering performance
Solution Approach 1:
The patent applies preliminary action through breeding programs that pre-select for early flowering traits. The cultivar is developed to initiate flowering earlier in the season and maintain prolonged blooming, effectively preparing the plant's developmental timeline in advance to achieve extended flowering performance. The botanical description confirms early and continuous flowering characteristics.
4Shape
If existing Petunia varieties are selected, then they may have trailing growth habits, but they lack the upright and mounding form with good garden performance
Solution Approach 1:
The patent applies inversion by reversing the traditional trailing growth habit of Petunia to create an upright and mounding form. Instead of allowing vines to trail along the ground, the breeding program selects for vertical growth patterns and compact mounding habits, effectively inverting the typical growth orientation to achieve better garden performance in various planting situations.
Data Source
AI summary
A new and distinct cultivar of Petunia plant named ‘Sundasiro’, characterized by its semi-upright and mounding plant habit; vigorous growth habit; freely branching habit; early and freely flowering habit; long flowering period; double-type white-colored flowers; and good garden performance.