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Updated: Jun 11, 2026

Imaging and Analysis for Quantifying Maize (Zea mays) Abiotic Stress Phenotypes
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Achieving High-Density and Stress-Resilient Maize Breeding Via Germplasm Innovation.

Xinlong Li1, Yongqiang Chen1, Dong Ding1

  • 1State Key Laboratory of High-Efficiency Production of Wheat-Maize Double Cropping/College of Agronomy/The Shennong Laboratory, Henan Agricultural University, Zhengzhou, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|June 9, 2026
PubMed
Summary
This summary is machine-generated.

Feeding 10 billion people requires boosting maize yield through increased planting density. This involves optimizing plant architecture, yield components, and photosynthetic efficiency for greater crop productivity.

Keywords:
four‐step modern breeding pipelinehigh‐density plantingindividual productivitymaize, stress resilience

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Area of Science:

  • Agricultural Science
  • Plant Breeding
  • Crop Physiology

Background:

  • Global population growth and climate change necessitate enhanced food production.
  • Maize is a critical global crop for meeting future food demands.
  • Increasing planting density is a key strategy for improving maize yield.

Purpose of the Study:

  • To propose strategies for increasing maize planting density to meet future food demands.
  • To enhance individual plant productivity and population-level advantages.
  • To outline a modern breeding pipeline for maize improvement.

Main Methods:

  • Optimizing plant architecture and balancing population/individual advantages.
  • Improving individual productivity via yield components and photosynthetic efficiency.
  • Utilizing gene pyramiding for stress and lodging resistance, and photothermal insensitivity.

Main Results:

  • Proposed strategies focus on enhancing maize yield through optimized planting density.
  • Gene pyramiding aims to improve stress resistance and adaptability.
  • A four-step breeding pipeline integrates variation generation, selection, fixation, and genomic selection.

Conclusions:

  • Optimizing planting density and plant traits is crucial for future maize production.
  • Advanced breeding techniques can enhance maize resilience and adaptability.
  • A structured breeding pipeline can accelerate the development of high-yielding maize hybrids.