Publications by authors named "Eviness P Nyalugwe"

A new resistance-breaking strain of Turnip mosaic virus (TuMV) overcomes TuMV resistance genes that currently suppress spread of this virus in Brassica napus crops in the Liverpool Plains region of eastern Australia. Isolates 12.1 and 12.

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Systemic hypersensitive resistance (SHR) caused by Turnip mosaic virus (TuMV) was studied by light microscopy and histochemical analysis in stem cross sections of Brassica juncea (Indian mustard) plants. Ten TuMV isolates were inoculated to leaves of susceptible line JM 06006, cv. Oasis CI, which carries TuMV systemic hypersensitivity gene TuRBJU 01, and F3 progeny plants obtained from a cross between them.

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Interactions between Potato virus X (PVX) and Potato virus S (PVS) were studied in potato plants, and isolates of PVX were inoculated to potato cultivars from four continents to identify occurrence of PVX resistance genes. Mixed infection with PVX and PVS increased the titer of PVS and enhanced expression of foliar symptoms in primarily and secondarily infected plants of 'Royal Blue'. PVX isolates belonging to strain groups 1 and 3 (WA1+3) or 3 (XK3 and TAS3) were sap and graft inoculated (1 to 3 isolates each) to 38 cultivars and one breeding line.

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