Table 5. Effect of pyriofenone on cucumber powdery mildew sporulation.
| Initial valuea) | Final valueb) | ||
|---|---|---|---|
| pyriofenone treatedc) | untreated | ||
| Total number of conidia on 3 leaves (×104 cells) | 9.2±2.4d) | 7±1.5 | 166.1±33.4 |
| Total area of lesions on 3 leaves (mm2) | 187.4±11.7 | 216±17.6 | 858.6±67.9 |
| Number of conidia per unit area (cells/mm2) | 495.7±135.0 | 323.1±60.5 | 1952.6±435.7 |
a) Counting and measuring 6 days after inoculation. b) Counting and measuring 7 days after application. c) Practical use dose rate; 100 µg/mL was applied. d) n=3.