Pentas Plant Trailing Growth Habit Breeding

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Solution Overview

Problem

Current commercial Pentas cultivars lack a trailing growth habit phenotype, limiting their use in the gardening industry and appeal to consumers.

Innovation Solution

Development of a Pentas plant with a trailing growth habit phenotype through crossing, resulting in a hybrid or tetraploid plant that exhibits this trait during both vegetative and generative growth phases, characterized by horizontal stem and branch orientation, increased branching, and adventitious root formation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional Pentas cultivars are grown, then they maintain upright growth habit, but they fail to meet consumer demand for trailing growth habit

Engineering Contradiction:
Improvegrowth habit varietyVSAvoidconsumer appeal
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent applies parameter changes by modifying the genetic parameters of Pentas plants through crossing and selection to produce novel growth habit phenotypes. The invention changes the fundamental growth parameter from upright to trailing by selecting for specific phenotypic expressions in hybrid and tetraploid plants, thereby expanding the adaptability and consumer appeal of Pentas cultivars

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If Pentas plants are developed with trailing growth habit, then they extend the spectrum of uses, but they require complex breeding processes

Engineering Contradiction:
Improveuse spectrumVSAvoidbreeding process complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies preliminary action by pre-establishing breeding lines with desired traits (upright and trailing growth habits) and pre-performing crossing operations to generate hybrid and tetraploid plants. This preliminary preparation of genetic material and crossing schemes streamlines the overall breeding process, making it more systematic and manageable despite the complexity involved in creating novel growth habit phenotypes

Inventive Principle:
Principle #10Preliminary action

3Stability of the object's composition

If all current commercial Pentas cultivars grow upright, then they maintain consistent growth pattern, but they limit application scenarios in gardening

Engineering Contradiction:
Improvegrowth pattern consistencyVSAvoidapplication scenarios
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The patent applies local quality by creating distinct growth habit variants (upright, trailing, mounding) within the Pentas genus, allowing different local expressions of growth patterns while maintaining the overall species characteristics. This enables tailoring specific growth traits to specific application scenarios - trailing habits for hanging baskets, upright for traditional beds, and mounding for ground cover - thereby expanding versatility without compromising the stability of each variant's growth pattern

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS11116172B2Pentas plant having a novel trailing growth habit
Publication Date: 2021.09.14 SYNGENTA CROP PROTECITON AG

AI summary

The present invention relates to a plant of the family Rubiaceae, in particular to a Pentas lanceolata plant having a novel trailing growth habit phenotype. Methods of obtaining, growing and propagating a plant of the invention and uses thereof are also provided. The invention further relates to pollen, seed and sexual as well as asexual progeny of such plants.