Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 10: 27 - 30
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.10.007
Characteristics and mitigation measures of high temperature stress in summer maize in Huaibei area
Received date: 2024-12-12
Online published: 2025-06-03
The maize production practice in Anhui region was combined, to explore the occurrence patterns of high temperature in summer maize in the area, the impacts of high temperature heat damage on summer maize were summarized, and mitigation measures were constructed. The high frequency period of high temperature and heat damage in the research area was from June 1st to August 10th. High temperature stress can cause damage to the nutritional and reproductive growth of maize, manifested as weak plant growth, decreased photosynthetic capacity, Pollen inactivation, poor pollination and fertilization, obstructed grain filling, and decreased quality. The measures to alleviate high temperature damage to summer maize include actively selecting and applying heat-resistant varieties; adjusting the broadcast schedule to avoid exhaling during periods of frequent high temperatures; irrigation during high temperature period to improve the microclimate in the fields; lightly tap the male ear with a bamboo pole or use a drone to assist in pollination; spraying chemical regulators such as CaCl2 to improve the heat resistance of plants. This article provides a reference for the high and stable yield of summer maize in relevant regions.
Key words: summer maize; high temperature; occurrence patterns; mitigation measure
DING Yanchao . Characteristics and mitigation measures of high temperature stress in summer maize in Huaibei area[J]. Anhui Agricultural Science Bulletin, 2025 , 31(10) : 27 -30 . DOI: 10.16377/j.cnki.issn1007-7731.2025.10.007
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