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Table 2 Infection types (ITs) of Puccinia striiformis f. sp. tritici isolates (from grass plants with uredia) on highly susceptible wheat cultivar Mingxian 169

From: Grasses are able to harbor the oversummering of urediospores and the overwintering of teliospores of Puccinia striiformis f. sp. tritici in China

Samples Low infection typesa High infection types Total
IT 1 IT 2 IT 3 IT 4
Number 192 24 21 42 279
Percentage (%) 68.8 8.6 7.5 15.1 100
  1. aInfection type was determined based on a 0-to-4 scale described by Hungerford and Owens (1923)