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Assessment of loss in yield due to sorghum downy mildew(Peronosclerospora sorghi)of maize in Nigerian guinea savanna

 

作者: A. B. Anaso,   A. M. Emechebe,   P. D. Tyagi,   S. K. Manzo,  

 

期刊: Tropical Pest Management  （Taylor Available online 1989）
卷期: Volume 35, issue 3  

页码: 301-303

 

ISSN:0143-6147

 

年代: 1989

 

DOI:10.1080/09670878909371385

 

出版商: Taylor & Francis Group

 

关键词: downy mildew of maize;Peronosclerospora sorghi;yield loss assessment

 

数据来源: Taylor

 

摘要:

The losses in yield due to sorghum downy mildew of maize induced byPeronoscleospora sorghiwere assessed from 1982 to 1984 in the epidemic‐prone area of Nigeria. Plots of maize with different downy mildew incidences were obtained by planting seedlots containing different percentages of metalaxyl‐treated seeds. The losses in yield were directly proportional to the incidence of the disease. There was highly significant negative correlation between the incidence of downy mildew and grain yield.

 

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