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Occurrence of Late Blight (Phytophthora infestans (Mont.) de Bary) in Major Potato Growing Areas of Punjab, Pakistan

Occurrence of Late Blight (Phytophthora infestans (Mont.) de Bary) in Major Potato Growing Areas of Punjab, Pakistan

Waqas Raza*, Muhammad Usman Ghazanfar and Muhammad Imran Hamid 

Department of Plant Pathology, College of Agriculture, University of Sargodha, 40100, Sargodha, Pakistan.

waqasraza61@yahoo.com  

Figure 1

Potato crop mask of Punjab, Pakistan. 

Figure 3 (A-F)

Box plots showing disease incidence of different districts showing increase in incidence 2016 and 2017 (A) Khushab (B) Sargodha (C) Sahiwal (D) Okara (E) Chiniot (F) Jhang. 

Figure 4 (A-F)

Disease severity of different districts showing increase in severity 2016 and 2017 (A) Khushab (B) Sargodha (C) Sahiwal (D) Okara (E) Chiniot (F) Jhang. 

Figure 5

Releationship of mean disease incidence and severity of different districts with yield. 

Eq1
Eq2
Figure 2

A) Healthy potato leaves; B) Typical late blight diseased potato leaves.  

Sarhad Journal of Agriculture

March

Sarhad Journal of Agriculture, Vol.40, Iss. 1, Pages 01-262

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