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논문 기본 정보

자료유형
학술저널
저자정보
Amir Hameed (Pakistan Institute of Engineering and Applied Sciences) Zafar Iqbal (Pakistan Institute of Engineering and Applied Sciences) Shaheen Asad (National Institute for Biotechnology and Genetic Engineering) Shahid Mansoor (National Institute for Biotechnology and Genetic Engineering)
저널정보
한국식물병리학회 The Plant Pathology Journal The Plant Pathology Journal Vol.30 No.4
발행연도
2014.12
수록면
407 - 415 (9page)

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Viral diseases have been a major limiting factor threating sustainable potato (Solanum tuberosum L.) production in Pakistan. Surveys were conducted to serologically quantify the incidence of RNA viruses infecting potato; Potato virus X (PVX), Potato virus Y (PVY), Potato virus S (PVS), Potato virus A (PVA), Potato virus M (PVM) and Potato leaf roll virus (PLRV) in two major potato cultivars (Desiree and Cardinal). The results suggest the prevalence of multiple viruses in all surveyed areas with PVY, PVS and PVX dominantly widespread with infection levels of up to 50% in some regions. Co-infections were detected with the highest incidence (15.5%) for PVX and PVS. Additionally the data showed a positive correlation between co-infecting viruses with significant increase in absorbance value (virus titre) for at least one of the virus in an infected plant and suggested a synergistic interaction. To test this hypothesis, glasshouse grown potato plants were challenged with multiple viruses and analyzed for systemic infections and symptomology studies. The results obtained conclude that multiple viral infections dramatically increase disease epidemics as compared to single infection and an effective resistance strategy in targeting multiple RNA viruses is required to save potato crop.

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Materials and Methods
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