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Table 1 Occurrence of oospores in bracts and achenes of naturally infected sunflower from the field.

From: Oospores of Pustula helianthicola in sunflower seeds and their role in the epidemiology of white blister rust

Sample number Number of oospores in a bract (n = 5)1 Rate (%) of seeds with oospores (n = 50)
1 low 12
2 high 18
3 high 12
4 low 6
5 medium 10
6 high 16
7 medium 10
8 low 4
9 medium 10
10 high 22
11 low 4
12 medium 8
13 high 28
14 medium 6
15 low 2
16 high 16
17 high 24
  1. 1Low, medium, and high denotes approximately <200, <1000, and >5000 oospores per bract, respectively.