Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 21: 86 - 89
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.21.019
Occurrence and comprehensive control technology of wheat scab in Shouxian
Received date: 2025-02-18
Online published: 2025-11-12
The occurrence and characteristics of wheat scab in Shouxian, Anhui Province were summarized, the contributing factors were analyzed, and control measures were outlined integrated. Wheat scab is a typical climate-dependent disease, primarily causing head blight in the study area. Its occurrence was closely associated with weather conditions during the wheat heading and flowering stage (April 10-30); the years of major, moderate, and mild occurrence of wheat scab in the study area from 2014 to 2024 were 2, 3, and 6 years, respectively. The incidence of this disease is mainly influenced by variety susceptibility, cultivation practices, and meteorological conditions. In the study area, the widely cultivated mid-to-late maturing white wheat and some red wheat varieties are highly susceptible to the disease. The tight rice-wheat crop succession system, combined with full straw retention, provides a favorable environment for pathogen overwintering. Moderate to severe epidemics are likely to occur when suitable temperature and humidity conditions coincide with the heading and flowering stage. Based on this analysis, integrated control strategies were proposed. These include selecting resistant varieties such as Zhenmai 18 and Ningmaizi 126 based on local conditions; implementing supporting agricultural measures such as deep straw burial, trenching for humidity reduction, and rational crop rotation; applying precise chemical control during key prevention windows according to climate predictions; and in epidemic years, initiating the first spray at the early heading stage followed by 2-3 consecutive applications, prioritizing highly effective agents like prothioconazole and pydiflumetofen. Simultaneously, the “one-spray, multiple-promotion” approach and unified prevention and control should be promoted to ensure maximized and stable control efficacy. This study provides a reference for wheat scab management and safe production.
Key words: wheat; scab; meteorological conditions; integrated pest management
CHEN Hong , YAO Chuanyun . Occurrence and comprehensive control technology of wheat scab in Shouxian[J]. Anhui Agricultural Science Bulletin, 2025 , 31(21) : 86 -89 . DOI: 10.16377/j.cnki.issn1007-7731.2025.21.019
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