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Map of a cultivar plot with six double rows and inoculation plan. The test in a year had 21 such plots. Dilutions: No, 1:1, 1:2, 1:4, 1:8, 1:16. Check = no dilutions, 1,2,3,4. Is = in the figure: Isolates used on groups of heads 1–4, 40–50 cm distance from each other.
