Goal. Molecular identification of carriers the potato virus Y (PVY) resistance genes Rychc and Ryadg among lines Polissia Research Station Institute Potato Growing National Academy Agrarian Sciences Ukraine.
 Methods. Seventy produced by were studied. We used molecular markers indicating presence specific Ry in genome lines. Those are responsible for plant’s response to pathogen extreme (E...

One of the most efficient mechanisms by which plants protect themselves from invading virusesis the specific RNA-dependent silencing pathway termed post-transcriptional gene silencing(PTGS). In this mechanism, resistance to a virus is engineered through the expression of asegment of the virus genomein transgenic plants. Potato VirusY (PVY) is one of the mostdamaging viruses of potato, infecting...

A molecular probe, p3POT, was constructed of PSTVd, PVY, PLRV cDNA fragments introduced into pUC18 vector. Sequencing of the inserts revealed that cloned fragments covered conservative parts of pathogenic genomes. Dot-blot hybridization of digoxigenin-labelled construct to crude extracts from plants infected with different potato viruses proved high sensitivity and specificity of the p3POT prob...

ACADEMIC DISSERTATION IN PLANT PATHOLOGY To be presented with the permission of the Faculty of Agriculture and Forestry of the University of Helsinki for public criticism in Viikki, Auditorium B2, on June 30th, at 12 o'clock noon. HELSINKI 2000 2 Mäki-Valkama, T. Resistance to Potato virus Y (PVY) in potato cv. Pito transformed with the P1 gene of PVY. Doctoral thesis in plant pathology. 43 p. ...

Potato is an important food crop worldwide and grown in a large number of countries. As such, the under disease pressures need for selecting resistance genes during breeding programs essential. Of particular importance within Australia other parts world potyvirus, virus Y (PVY). In this paper, three commonly used PVY markers, M45, RYSC3 M6, were evaluated using existing genomic resources phenot...