The Effects of Climate Change on the Physiology and Agronomy of Grain Crops

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 1221

Special Issue Editors


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Guest Editor
Independent Researcher, 15 Westgate Court, Leeming, WA 6149, Australia
Interests: conservation agriculture; crop physiology; agronomy; on-farm research

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Guest Editor
College of Agriculture Resource and Environmental Sciences, China Agricultural University, Beijing 100193, China
Interests: soil quality and crop production; adaptation strategies to climate change; yield gap; carbon and nitrogen management; precision rice farming; food security

Special Issue Information

Dear Colleagues,

Climate change presents unprecedented challenges to global agriculture, particularly impacting the physiology and agronomy of grain crops, which are essential for food security. Rising temperatures and the increased frequency of extreme weather events significantly influence crop physiology. Heat stress disrupts photosynthesis, reduces pollen viability, and accelerates crop maturation, affecting yield and quality. Changes in rainfall patterns and water availability generally determine crop growth and ultimate yield. Agronomic practices must adapt to mitigate climate-induced stresses.

Precision farming technologies, including remote sensing and climate and crop modeling, enable real-time monitoring and adaptive management. Breeding resilient crop varieties with enhanced tolerance to heat, drought, and pests is of paramount importance. Furthermore, sustainable soil management practices, such as conservation tillage and cover cropping, enhance soil health and resilience to climate extremes.

This Special Issue synthesizes current research on the physiological responses of grain crops to climate change and the advances in agronomic strategies to mitigate its impacts. It underscores the importance of interdisciplinary approaches integrating biology, agronomy, and climate science to sustainably enhance crop productivity and resilience in the face of a changing climate.

Dr. Chris Johansen
Prof. Dr. Mingsheng Fan
Guest Editors

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Keywords

  • sustainable crop production
  • crop physiology, productivity, and quality
  • climate change
  • drought
  • flooding
  • heat

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Published Papers (1 paper)

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Research

24 pages, 2972 KB  
Article
Stage-Specific Effects of Climatic Variation on Rice Yield and Nitrogen Use Efficiency for Identifying Adaptive Genotypes Based on Variable Selection Method
by Yingjun Ma, Xianglong Liang, Zhongqi Li, Pulin Kong, Huimin Zhang, Jinxia Xiang, Zhiyao Tian, Mingniang Qi, Ziyang Qu, Xianyang Li, Biqi Lei, Chanakan Prom-u-thai and Xiaorong Fan
Plants 2026, 15(4), 639; https://doi.org/10.3390/plants15040639 - 18 Feb 2026
Viewed by 521
Abstract
Extreme weather variability across different climatic regions severely threatens rice yield and nitrogen use efficiency (NUE). To clarify the response of rice traits to climatic factors and optimize adaptive strategies, this study conducted field experiments in Nanjing (subtropical monsoon climate, 2022–2024) and Sanya [...] Read more.
Extreme weather variability across different climatic regions severely threatens rice yield and nitrogen use efficiency (NUE). To clarify the response of rice traits to climatic factors and optimize adaptive strategies, this study conducted field experiments in Nanjing (subtropical monsoon climate, 2022–2024) and Sanya (tropical marine climate, 2024). Nine rice genotypes covering indica, japonica, and hybrid genetic backgrounds were used, and the least absolute shrinkage and selection operator (LASSO) regression model was applied to identify the key drivers among climatic factors (air temperature, solar radiation, rainfall) and nitrogen application rates. Results showed growth stage-specific responses of rice to climatic stress: high-temperature stress during the flowering stage and low-temperature stress during the filling stage were key yield-limiting factors, while rainfall during the seedling stage and solar radiation during the tillering stage positively promoted yield and NUE. Nitrogen metabolic enzyme activities during the filling stage were the core physiological link connecting environmental stress and yield (R2 = 0.776–0.795). Furthermore, three genotypes (YZ2, IR30, and YZ3) were observed to show more positive associations with yield and NUE. This study clarifies the differential associative effects of climatic factors in tested environments and seasons, providing theoretical support and genetic resources for rice adaptive improvement under diverse climatic conditions. Full article
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