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Understanding the Spread and Impact of Stemphylium Leaf Blight in Onion Crops: An Epidemiological Study

Understanding the Spread and Impact of Stemphylium Leaf Blight in Onion Crops: An Epidemiological Study

Muhammad Ahmad1, Safdar Ali1*, Amer Habib1, Muhammad Usman Ghani2,3, Humaira Kalsoom4, Yasir Iftikhar5 and Muhammad Ahmad Zeshan5*

1Department of Plant Pathology, University of Agriculture, Faisalabad 38000, Pakistan; 2Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad 38000 Pakistan; 3National-Regional Joint Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Tianhe District, Guangzhou, Guangdong, 510650, China; 4Pest Warning and Quality Control of Pesticides 21-Davis Road Garhi Shahu Lahore 54000, Punjab, Pakistan; 5Department of Plant Pathology, College of Agriculture, University of Sargodha, Sargodha 40100, Pakistan.

 
*Correspondence | Safdar Ali and Muhammad Ahmad Zeshan, Department of Plant Pathology, University of Agriculture, Faisalabad 38000, Pakistan; Department of Plant Pathology, College of Agriculture, University of Sargodha, Sargodha 40100, Pakistan; Email: safdar147m@uos.edu.pk, Muhammad.ahmad@uos.edu.pk 

Figure 1:

Relationship of maximum temperature with Stemphylium leaf blight disease of onion.

Figure 2:

Relationship of minimum temperature with Stemphylium leaf blight disease of onion.

Figure 3:

Relationship of relative humidity with Stemphylium leaf blight disease of onion.

Figure 4:

Relationship of rainfall with Stemphylium leaf blight disease of onion.

Figure 5:

Relationship of wind velocity with Stemphylium leaf blight disease of onion.

Equation 1
Equation 2

Pakistan Journal of Zoology

October

Pakistan J. Zool., Vol. 56, Iss. 5, pp. 2001-2500

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