Abstract
Three consecutive potato crops are grown annually in Pakistan and Khyber Pakhtunkhawa (KPK) province is the main source for seed tubers. During the year 2010, 240 symptomatic and viral susceptible potato leave samples were collected from Swat, Dir, Abbottabad and Mansehra and serologically confirmed through Double Antibody Sandwich (DAS) Enzyme Linked Immunosorbant Assay (ELISA) against Potato virus X (PVX), Potato virus Y (PVY), Potato leaf roll virus (PLRV), Potato virus M (PVM), Potato virus S (PVS) and Potato virus A (PVA). The presence or absence of viruses was confirmed by observing the yellow and white color in ELISA plates respectively. According to ELISA results, overall percentage incidence of viral diseases was found highest in Swat (65%) followed by Mansehra (61%), Dir (53%) and Abbottabad (43.33%) while PVY and PVS were dominant in Swat (26.66%), Dir (20%), Mansehra (15%) and Abbottabad (21.66%) respectively. PVX was not detected in Abbottabad while Swat samples seemed to be free from PVM and PVA.
Highlights
Available Online at eSci Journals eSci Journal of Plant PathologyINCIDENCE OF POTATO VIRUSES IN DIFFERENT DISTRICTS OF KHYBER PAKHTUNKHAWA, PAKISTAN aZishan Gul, bAftab A
The edible potato (Solanum tuberosum L) is the world’s leading vegetable and staple food crop and ranked fourth in production after rice, wheat and maize (Rauscher et al, 2006)
Potato growers introduced high yielding foreign potato varieties in Pakistan which enhanced the yield of potato crop but at the same time new viral diseases are reported in spring, summer and autumn potato crops which cause up to 83% yield losses (Abbas et al, 2012; Mughal and Khalid, 1985) and most viruses can effectively be determined by Enzyme Linked Immunosorbant Assay (ELISA) tests (Petrrunk et al, 1991)
Summary
INCIDENCE OF POTATO VIRUSES IN DIFFERENT DISTRICTS OF KHYBER PAKHTUNKHAWA, PAKISTAN aZishan Gul, bAftab A. Khan a Hazara Agriculture Research Station, Abbottabad, Pakistan. B Department Of Botany, Government Post Graduate College, Abbottabad, Pakistan
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