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Updated: Feb 23, 2026

A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates
Published on: October 28, 2021
Race Typing of Puccinia striiformis on Wheat
Mogens S Hovmøller1, Julian Rodriguez-Algaba2, Tine Thach2
1Department of Agroecology, Aarhus University, Forsogsvej 1, 4200, Slagelse, Denmark. mogens.hovmoller@agro.au.dk.
Abstract:
A procedure for virulence phenotyping of isolates of yellow (stripe) rust using spray inoculation of wheat seedlings by spores suspended in an engineered fluid, Novec™ 7100, is presented. Differential sets consisting of near-isogenic Avocet lines, selected lines from the "World" and "European" sets, and additional varieties showing race-specificity facilitate a robust assessment of race, irrespectively of geographical and evolutionary origin of isolates. A simple procedure for purification of samples consisting of multiple races is also presented.
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