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282 Potato virus Y (PVY) isolates collected from potato crops in northern and central Poland from 1995 to 2009 were characterized by serological and biological assays. From these, 112 isolates collected from 2006 to 2009 were additionally analyzed by one-step triplex Reverse Transcription-Polymeraze Chain Reaction (RT-PCR). Recombinants of PVY strains predominate among the isolates tested. Using one-step...
Hypersensitive resistance (HR) is an efficient defense strategy in plants that restricts pathogen growth and can be activated during host as well as non-host interactions. HR involves programmed cell death and manifests itself in tissue collapse at the site of pathogen attack. A novel hypersensitivity gene, Ny-1, for resistance to Potato virus Y (PVY) was revealed in potato cultivar Rywal. This is...
Oceniono odporność i wrażliwość odmian ziemniaka uprawianych w Polsce na infekcję silnym szczepem wirusa Y ziemniaka (PVYNTN), który może wywoływać nekrotyczną chorobę bulw (PTNRD). Spośród 90 ocenionych odmian, 21 wykazało krańcową odporność, 14 odporność polową i 55 podatność na infekcję tym szczepem. Silne objawy nekrotycznej choroby bulw wykazały odmiany: Bard, Delikat, Denar, Ditta, Lord, Molli,...
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