PJB-2023-366
EXPLORING INCIDENCE OF POTATO VIRUSES IN MAJOR GROWING AREAS OF POTATO IN KHYBER PAKHTUNKHWA, PAKISTAN
ZAFRULLAH KHAN
Abstract
The Enzyme Linked Immunosorbant Assay (ELISA) test of potato leaves collected from different areas within three selected divisions in Khyber Pakhtunkhwa, Pakistan was performed in 2016. The region-wise results showed the over all incidence of potato virus Y (PVY) to be highest in all the three divisions on potato crop followed by the incidence of potato leaf roll virus (PLRV). The PVY and PLRV incidence in Malakand division was noted by 62.7 and 44.6 %, respectively. In Peshawar division the incidence of PVY was 55.4% and that of the PLRV was 40.7% and the incidence of PVY and PLRV was 50.7 and 37.3%, respectively in Hazara. The field-wise results of Malakand region showed the highest incidence of PVY and PLRV in Kalam was found by 70 and 50%) followed by Miandam (62 and 46 %) and the lowest incidence was recorded in Malamjaba (56 and 38%). In Peshawar the highest incidence of PVY and PLRV was noted on potato crop in Warmarh (66 and 46%) followed by Regi (52 and 32%) and the lowest was noted in Pul Dheri Mehra (48 and 44%). In the Hazara potato crop in Kaghan had 62 and 54% PVY and PLRV incidence followed by Bagnotar (48 and 36%) and the lowest incidence was noted in Kalanderabad (42 and 22%), respectively. Results obtained by this study indicating that both PVY and PLRV are major viruses of potato crop in selected potato growing areas of KPK province which could pose serious threat to the potato crop, development of resistance cultivar against vector insect could be recommended.
Keywords: Potato Crop, Potato Aphid, Potato Virus Y (PVY), ELISA) Kit
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