TABLE 1.

Sterol profiles of azole-treated M. graminicola culturesa

TreatmentMean % content ± SD
Ergosta-5,8,22-trienolErgosterolErgosta-7,22-dienolLanosterolEburicol
Untreated4.5 ± 0.685.3 ± 0.56.4 ± 0.3ND3.0 ± 0.1
EpoxiconazoleNDNDND19.3 ± 0.280.7 ± 0.2
TebuconazoleNDNDND17.5 ± 0.482.4 ± 0.4
TriadimenolNDNDND17.5 ± 0.582.5 ± 0.4
ProthioconazoleNDNDND21.4 ± 1.878.6 ± 1.8
  • a The percentage of different sterols in total sterol extracts of M. graminicola IPO323 treated with 5 μg of epoxiconazole, tebuconazole, triadimenol, or prothioconazole ml−1. ND, not detected.