Review on High Temperature Heat Damage of Maize in China

Huo Zhiguo; Zhang Haiyan; Li Chunhui; Kong Rui; Jiang Mengyuan

doi:10.11898/1001-7313.20230101

Vol.34, NO.1, 2023

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Huo Zhiguo, Zhang Haiyan, Li Chunhui, et al. Review on high temperature heat damage of maize in China. J Appl Meteor Sci, 2023, 34(1): 1-14. DOI: 10.11898/1001-7313.20230101.

Citation:

Huo Zhiguo, Zhang Haiyan, Li Chunhui, et al. Review on high temperature heat damage of maize in China. J Appl Meteor Sci, 2023, 34(1): 1-14. DOI: 10.11898/1001-7313.20230101.

Huo Zhiguo, Zhang Haiyan, Li Chunhui, et al. Review on high temperature heat damage of maize in China. J Appl Meteor Sci, 2023, 34(1): 1-14. DOI: 10.11898/1001-7313.20230101.

Citation:

Huo Zhiguo, Zhang Haiyan, Li Chunhui, et al. Review on high temperature heat damage of maize in China. J Appl Meteor Sci, 2023, 34(1): 1-14. DOI: 10.11898/1001-7313.20230101.

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Review on High Temperature Heat Damage of Maize in China

DOI: 10.11898/1001-7313.20230101

Huo Zhiguo^{1, 2
,
,},
Zhang Haiyan¹,
Li Chunhui¹,
Kong Rui^{1, 3},
Jiang Mengyuan^{1, 2}

1.
Chinese Academy of Meteorological Sciences, Beijing 100081
2.
Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science & Technology, Nanjing 210044
3.
China University of Geosciences, Wuhan 430074

Received Date: 2022-07-13
Rev Recd Date: 2022-11-23
Publish Date: 2023-01-31

Abstract

Abstract

As the climate warms, the threat of high temperature to China's maize production is increasing. Starting from the concept and classification of high temperature heat damage, the research progress is systematically summarized, expounding the hazard mechanism, meteorological causes, disaster causative indicators, spatial and temporal distribution and defense countermeasure of high temperature heat damage of maize, and the future research trend is also discussed. The high temperature heat damage of maize in China has a long duration, and its impacts can be divided into four categories:Delay, obstacle, poor growth and mixed. High temperature reduces the photosynthetic rate of maize, weakens pollen activity, inhibits the scattering of powder, shortens the filling time, and causes the yield and quality of maize to decrease. The high temperature and heat damage weather in maize growing areas is mainly caused by abnormal circulation and affected by the degree of atmospheric dryness. The meteorological causes, main types and occurrence periods of high temperature and heat damage are different in each dominant maize region. The disaster indicators include physiological and biochemical indicators and meteorological indicators, but there is no clear and unified standard for distinguishing high-temperature heat damage in maize at present. In the past 10 years, the intensity and frequency of heat damage of maize have increased. High temperature and heat damage of spring maize mostly occurs in flowering and pollination period, and the risk is higher in northeast Liaoning and southwest of Northeast China. High temperature heat damage of summer maize is more likely to occur after the jointing period, and is more frequent in southeastern Hebei Province, most of Henan Province and western Shandong Province. There are two methods to prevent the high-temperature heat damage of maize. The research on monitoring and early warning of high-temperature heat damage is still in its infancy, and the adverse effects of high-temperature heat damage on maize can be reduced by selecting appropriate field cultivation and management measures. The future research should focus on establishing a comprehensive dynamic maize high temperature heat damage index system, strengthening the simulation and risk assessment and further developing a refined monitoring and early warning service system.
- maize;
- high temperature and heat damage;
- hazard mechanism;
- meteorological causes;
- spatial and temporal distribution

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References(100)

Figures and Tables

Table 1 Statistical table of discrimination index of high temperature and heat damage of maize

发育阶段	温度阈值(日最高气温)	研究区域	参考文献
生育期	不小于30℃	东北农作区	[70]
生育期	不小于32℃	中国玉米区	[53]
生育期	不小于32℃	黄淮海玉米区	[60]
生育期	不小于35℃	海河平原	[48]
生育期	不小于30，32，35℃	京津冀地区	[68]
生育期	85%，90%分位值	海河平原	[71]
生育期	95%分位值	中国玉米区	[72]
花期	不小于32，35℃	河南省	[63-64]
花期	不小于34℃	黄淮海玉米区	[65]
花期	不小于32，34℃	河北平原	[66]
花期	不小于35℃	淮北平原	[93]
花期	不小于35℃	华北平原	[61-62]
花期	不小于35℃	河南省	[92]
拔节期前	不小于35.2℃	山东省	[67]
拔节期后	不小于34.5℃	山东省	[67]
吐丝-成熟	不小于35℃	湖南省春玉米区	[79]
播种-出苗	不小于31℃	中国北方地区	[69]
出苗-抽雄	不小于33℃	中国北方地区	[69]
抽雄-吐丝	不小于35℃	中国北方地区	[69]
吐丝-成熟	不小于33℃	中国北方地区	[69]

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