Cotton Variety ST 5288B2F Breeding for Stable Phenotypic Expression

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Solution Overview

Problem

Cotton breeding faces challenges in predicting phenotypic expression due to the complexity of gene structures and locations, making it difficult for breeders to reproduce the same variety using the same parents and methodology, resulting in unique and unpredictable outcomes.

Innovation Solution

The development of the cotton variety ST 5288B2F and its derived varieties through a breeding process involving selection, self-fertilization, and recurrent backcrossing, combined with genetic transformation methods, to produce plants with desired traits while maintaining the unique characteristics of the initial variety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If conventional breeding methods with self-pollination are used, then variety characteristics are preserved, but phenotypic expression becomes unpredictable due to gene complexity

Engineering Contradiction:

Improvevariety characteristics preservationVSAvoidphenotypic expression predictability

Core Design Contradiction:

Stability of the object's compositionVSReliability

Solution Approach 1:

The patent creates essentially derived varieties that are genetic copies of the original variety ST 5288B2F, maintaining identical phenotypic expression while preserving variety characteristics through asexual reproduction and tissue culture methods

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent replaces conventional sexual reproduction mechanisms with genetic transformation methods (Agrobacterium infection, microparticle bombardment) to achieve predictable phenotypic expression while maintaining variety characteristics

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If genetic transformation methods are used, then specific traits can be introduced, but the unique characteristics of the original variety may be altered

Engineering Contradiction:

Improvetrait introduction capabilityVSAvoidoriginal variety characteristics

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent introduces specific traits (herbicide resistance, insect resistance) at localized genetic loci while maintaining the overall phenotypic characteristics and quality composition of the original ST 5288B2F variety through targeted genetic transformation

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent applies partial genetic transformation, introducing only specific desired traits (herbicide resistance, insect resistance) rather than comprehensive genetic modification, thereby maintaining the original variety's unique characteristics while adding adaptability

Inventive Principle:

Principle #16Partial or excessive action

Data Source

PatentUS8742225B2Cotton variety ST 5288B2F

Publication Date: 2014.06.03 BASF AGRICULTURAL SOLUTIONS US LLC

AI summary

The cotton variety ST 5288B2F is disclosed. The invention relates to seeds, plants, plant cells, plant tissue, harvested products and cotton lint as well as to hybrid cotton plants and seeds obtained by repeatedly crossing plants of variety ST 5288B2F with other plants. The invention also relates to plants and varieties produced by the method of essential derivation from plants of ST 5288B2F and to plants of ST 5288B2F reproduced by vegetative methods, including but not limited to tissue culture of regenerable cells or tissue from ST 5288B2F.