PX3A82W3FE Cotton Variety Yield Stability and Pest Resistance

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Solution Overview

Problem

The development of new cotton plant varieties and hybrid cotton plants is a slow and costly process that requires expertise and involves numerous steps, including selection of parent plants, inbreeding, and crossing to produce F1 hybrid progeny, with existing parent varieties losing commercial competitiveness over time.

Innovation Solution

The introduction of a novel cotton inbred variety, PX3A82W3FE, which possesses broad adaptation, excellent yield stability, improved fiber properties, resistance to Lepidoptera insects, and tolerance to herbicides, along with methods for producing male sterile plants and regenerating plants from tissue cultures, to enhance yield production and crop flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional inbreeding and crossing techniques are used to develop new cotton varieties, then new varieties can be produced, but the process is slow and costly

Engineering Contradiction:
Improvevariety development speedVSAvoidtime required for inbreeding and crossing
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by developing and maintaining a pre-characterized inbred cotton variety (PX3A82W3FE) with known desirable traits including fiber quality, yield stability, and pest resistance. This pre-prepared genetic material can be immediately used in crossing programs, eliminating the need to perform lengthy inbreeding procedures from scratch and significantly accelerating variety development timelines

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent utilizes copying by reproducing the PX3A82W3FE variety through tissue culture methods to generate multiple identical copies. This allows rapid propagation of the elite genetic material without repeated sexual reproduction cycles, maintaining genetic uniformity while multiplying the available breeding stock efficiently

Inventive Principle:
Principle #26Copying

2Productivity

If existing parent varieties are used repeatedly, then breeding programs can continue, but commercial competitiveness is lost over time

Engineering Contradiction:
Improvebreeding program continuityVSAvoidcommercial competitiveness
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent applies parameter changes by systematically varying the crossing partners and breeding parameters while maintaining the core PX3A82W3FE parent. This allows the breeding program to continuously generate novel genetic combinations with improved traits such as enhanced fiber quality, increased yield, or improved adaptability to different environments, thereby maintaining commercial competitiveness through controlled parametric variation

Inventive Principle:
Principle #35Parameter changes

3Ease of manufacture

If self-pollination and sib-pollination are used for inbreeding, then new varieties can be developed, but plant vigor decreases after sufficient inbreeding

Engineering Contradiction:
Improveinbreeding capabilityVSAvoidplant vigor
Core Design Contradiction:
Ease of manufactureVSStrength

Solution Approach 1:

The patent applies self-service by utilizing the inherent self-pollination capability of cotton plants to maintain and propagate the PX3A82W3FE inbred line. The variety is specifically bred to be highly uniform and homozygous, allowing it to serve its own propagation needs through self-pollination without requiring external intervention, while maintaining vigor through its optimized genetic constitution

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent applies preliminary action by performing extensive inbreeding and selection work in advance to develop the PX3A82W3FE variety with optimized vigor characteristics. This pre-established vigorous inbred line can then be used immediately in crossing programs without requiring further inbreeding, which would otherwise degrade vigor, thus separating the vigor-building phase from the variety-development phase

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11013204B2Cotton variety PX3A82W3FE
Publication Date: 2021.05.25 PIONEER HI BREED INTERNATIONAL INC

AI summary

The disclosure relates to a cotton variety, designated PX3A82W3FE, the plants and seeds of the cotton variety PX3A82W3FE, methods for producing a cotton plant, either varietal or hybrid, produced by crossing the cotton variety PX3A82W3FE with itself or with another cotton plant, hybrid cotton seeds and plants produced by crossing the variety PX3A82W3FE with another cotton variety or plan, methods for producing a cotton plant containing in its genetic material one or more transgenes, and the transgenic cotton plants produced by that method. This disclosure also relates to cotton varieties derived from cotton variety PX3A82W3FE, to methods for producing other cotton varieties derived from cotton variety PX3A82W3FE, and to the varieties derived by the use of those methods.