AZLAN Hybrid Sweet Corn Yield Stability and Disease Resistance

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Solution Overview

Problem

Current sweet corn breeding methods face challenges in developing stable, high-yielding hybrids with improved agronomic, horticultural, and processing qualities, such as kernel shape, size, and nutritional content, while maintaining adaptability and disease resistance.

Innovation Solution

The development of a novel hybrid sweet corn variety, AZLAN, which includes specific physiological and morphological characteristics, and methods for its propagation, such as tissue culture and crossing techniques, to produce plants with enhanced traits like increased sugar content, disease resistance, and adaptability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional sweet corn breeding methods are used, then basic yield is achieved, but stability and consistency of high yield across different environments cannot be ensured

Engineering Contradiction:
ImproveyieldVSAvoidstability of yield
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The breeding program segments the development process into distinct phases: developing inbred lines with specific traits, testing multiple hybrid combinations, and evaluating across different environments. This systematic segmentation allows for identifying stable high-yielding combinations while managing complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention evaluates sweet corn hybrids across multiple dimensions including different locations, years, and management conditions. This multi-dimensional testing approach transforms a single-environment yield problem into a comprehensive stability assessment, ensuring reliable high yield across diverse conditions.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Productivity

If breeding for high yield is prioritized, then productivity increases, but other qualities such as kernel shape, size, and nutritional content may be compromised

Engineering Contradiction:
ImproveyieldVSAvoidkernel quality
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The breeding program applies local quality by selecting for specific kernel traits in different regions and applications. Different hybrid combinations are optimized for different qualities: some for yield, others for kernel uniformity, nutritional content, or processing qualities, allowing tailored solutions for different market needs.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The invention creates composite genetic combinations by crossing inbred lines with complementary traits. Each hybrid combines multiple desirable characteristics from different parents, achieving a composite of high yield, good kernel quality, and adaptability that no single parent possesses alone.

Inventive Principle:
Principle #40Composite materials

3Productivity

If focus is placed on improving agronomic qualities, then plant performance increases, but adaptability to different environmental conditions may be reduced

Engineering Contradiction:
Improveagronomic performanceVSAvoidenvironmental adaptability
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The breeding program develops inbred lines and hybrids with universal adaptability across multiple environments. By testing and selecting for performance across diverse locations and conditions, the program identifies combinations that maintain agronomic qualities regardless of environmental variations, achieving multi-functional performance.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Reliability

If selection for disease resistance is intensified, then reliability against pests and diseases improves, but genetic diversity and adaptability may be limited

Engineering Contradiction:
Improvedisease resistanceVSAvoidgenetic diversity
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The program applies local quality by introducing specific disease resistance genes from diverse sources into different inbred line backgrounds. Each hybrid receives targeted resistance traits appropriate for its intended growing region and disease pressure, maintaining genetic diversity while ensuring reliable protection.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS11452273B2Hybrid sweet corn plant named AZLAN
Publication Date: 2022.09.27 HM CLAUSE

AI summary

A novel hybrid sweet corn plant, designated AZLAN is disclosed. The invention relates to the seeds of hybrid sweet corn designated AZLAN, to the plants and plant parts of hybrid sweet corn designated AZLAN, and to methods for producing a sweet corn plant by crossing the hybrid sweet corn AZLAN with itself or another sweet corn plant.