Adaptation strategies for winter wheat production at farmer fields under a changing climate: Employing crop and multiple global climate models

Shoukat, Muhammad Rizwan; Wang, Jingjing; Habib-ur-Rahman, Muhammad; Hui, Xin; Hoogenboom, Gerrit; Yan, Haijun

doi:10.1016/j.agsy.2024.104066

Agricultural Systems

2024

DOI: 10.1016/j.agsy.2024.104066

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Adaptation strategies for winter wheat production at farmer fields under a changing climate: Employing crop and multiple global climate models

Muhammad Rizwan Shoukat,

Jingjing Wang,

Muhammad Habib-ur-Rahman

et al.

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2024

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Cited by 2 publications

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Construction of Indicators of Low-Temperature Stress Levels at the Jointing Stage of Winter Wheat

Zhang,

Huo,

Yang

et al. 2024

Agriculture

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This study aimed to investigate the impact of low-temperature (LT) stress during the jointing stage on three most representative wheat varieties in the Huang-Huai-Hai region: “Shannong 38” (a robust winter wheat variety), “Jimai 22” (a semi-winter wheat variety), and “Zhenmai 12” (a weak winter wheat variety). The objective was to explain the sensitivity and change thresholds of various physiological and yield indicators of three winter wheat varieties to low temperatures during the jointing stage and to construct an index for the grading of LT disasters during the jointing stage using principal component analysis. Controlled environment experiments were conducted using an artificial climate chamber during the jointing stage of winter wheat. Five daily minimum temperature treatments were applied, namely (T1, −6 °C); (T2, −3 °C); (T3, 0 °C); (T4, 3 °C); (T5, 6 °C); and control (CK, 8 °C). The duration of treatments was divided into three levels: (D1: 2 days), (D2: 4 days), and (D3: 6 days). It was found that the photosynthetic parameters and chlorophyll content showed a decreasing trend with the increase in the degree of LT stress. The activities of protective enzymes and endogenous hormones increased during the early stages of LT stress or at relatively high temperatures. However, they decreased significantly with an increase in LT stress. Among the varieties, “Zhenmai 12” exhibited a yield reduction rate exceeding 10% under 3 °C LT stress for more than 4 days and a yield reduction rate exceeding 20% under 0 °C LT stress for more than 6 days. “Jimai 22” showed a yield reduction rate exceeding 10% under 3 °C LT stress lasting more than 2 days, and a yield reduction rate exceeding 20% under −3 °C LT stress lasting more than 4 days. “Shannong 38” experienced a yield reduction rate exceeding 10% under 0 °C LT stress lasting more than 4 days and a yield reduction rate exceeding 20% under −6 °C LT stress lasting more than 6 days. Principal component analysis (PCA) conducted on all trait indicators of the three winter wheat varieties revealed that “Zhenmai 12” experienced mild LT stress at 6 °C for 2 days, moderate LT stress at 0 °C for 6 days, and severe LT stress at −3 °C for 6 days. “Jimai 22” experienced mild LT stress under 6 °C for 6 days, moderate LT stress under 0 °C for 4 days, and severe LT stress under −6 °C for 2 days. “Shannong 38” experienced mild LT stress under 3 °C for 4 days, moderate LT stress under 0 °C for 4 days, and severe LT stress under −6 °C for 6 days.

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Construction of Indicators of Low-Temperature Stress Levels at the Jointing Stage of Winter Wheat

Zhang,

Huo,

Yang

et al. 2024

Agriculture

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Are Agroecosystem Services Under Threat? Examining the Influence of Climate Externalities on Ecosystem Stability

Olowoyeye,

Abegunrin,

Sojka

2024

Atmosphere

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This study examines the impacts of climate-induced externalities on the stability of agroecosystems and the ecosystem services they provide. Using the PRISMA approach, we review literature published from 2015 to 2024. The study identifies how extreme weather events such as droughts, floods, heatwaves, and altered precipitation patterns disrupt the provisioning, regulating, and supporting services critical to food security, soil fertility, water purification, and biodiversity. Our findings show a continued increase in climate extremes, raising concerns about food security, environmental resilience, and socio-economic stability. It also reveals that regions dependent on rain-fed agriculture, such as parts of Africa, Asia, and the Mediterranean, are particularly vulnerable to these stressors. Adaptation strategies, including conservation agriculture, crop diversification, agroforestry, and improved water management, are identified as crucial for mitigating these impacts. This study emphasises the importance of proactive, policy-driven approaches to foster climate resilience, support agroecosystem productivity, and secure ecosystem services critical to human well-being and environmental health.

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Adaptation strategies for winter wheat production at farmer fields under a changing climate: Employing crop and multiple global climate models

Cited by 2 publications

References 59 publications

Construction of Indicators of Low-Temperature Stress Levels at the Jointing Stage of Winter Wheat

Construction of Indicators of Low-Temperature Stress Levels at the Jointing Stage of Winter Wheat

Are Agroecosystem Services Under Threat? Examining the Influence of Climate Externalities on Ecosystem Stability

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