TABLE 1.

Fungicide efficacies for tebuconazole-adapted and nonadapted control strains of C. graminicolaa

ClassCompoundNonadaptedAdapted
ED50ED90ED50ED90
Azoles (triazoles)Tebuconazole0.059 ± 0.0040.504 ± 0.1010.423 ± 0.056*13.534 ± 2.854*
Itraconazole0.007 ± 0.0011.351 ± 0.0410.014 ± 0.002*8.848 ± 1.183*
Voriconazole0.018 ± 0.0010.228 ± 0.0180.045 ± 0.002*1.328 ± 0.175*
Azoles (imidazoles)Prochloraz0.004 ± 0.0010.087 ± 0.0230.011 ± 0.004*0.720 ± 0.129*
Bifonazole0.148 ± 0.0181.958 ± 0.6620.330 ± 0.058*4.892 ± 1.484*
Clotrimazole0.128 ± 0.0722.440 ± 0.5840.145 ± 0.0356.485 ± 2.690*
Miconazole0.028 ± 0.0021.327 ± 0.3380.048 ± 0.003*4.386 ± 1.705*
Ketoconazole0.115 ± 0.0321.492 ± 0.3440.552 ± 0.037*12.419 ± 1.306*
MorpholineAmorolfine0.030 ± 0.001*0.347 ± 0.0330.023 ± 0.0010.360 ± 0.024
StrobilurinPicoxystrobin0.006 ± 0.0030.148 ± 0.0400.026 ± 0.0031.041 ± 0.435*
ThiocarbamateTolnaftate0.582 ± 0.098104.107 ± 27.670.537 ± 0.016998.710 ± 31.089
PyridoneCyclopiroxolamine9.829 ± 0.593*64.842 ± 13.2093.671 ± 0.17754.616 ± 4.127
BenzofuraneGriseofulvin0.607 ± 0.4005.503 ± 0.9020.051 ± 0.0125.839 ± 0.523
PolyenesAmphotericin B0.030 ± 0.002*2.147 ± 0.250*0.007 ± 0.0010.873 ± 0.185
Nystatin0.030 ± 0.001*2.412 ± 0.135*0.023 ± 0.0010.896 ± 0.272
EchinocandinCaspofungin0.032 ± 0.002*1.281 ± 0.104*0.006 ± 0.0010.770 ± 0.178
  • a Asterisks indicate significantly (α = 0.05) increased ED50 or ED90 values.