بررسی شناسایی و تعیین بیماریزایی عوامل فوزاریومی بلایت سنبله گندم در خوزستان

During 2003-2005 Fusarium species involved in head blight of wheat were investigated in khuzestan province of Iran . Inthid study 56 isolates of Fusarium species were collected from different parts of spike by common and specific media. F. culmorum ,F. proliferatum , F. equiseti , F. moniliforme , F. crookwellens, F. lateritium , F. xylarioides ,F. subglutinan and F. semitectumwere were identified also their pathogenicity was investigated with randomized compelet design in green- house . The statistical comparison showed that there were significant differences in pathogenicity among species at 1 % level . F.crookwellens was isolated for the first time from wheat spike in khuzestan Province.

Keywords:

بلایت , قارچ فوزاریوم , سنبله , گندم , خوزستان , شوشتر , اندیمشک , دزفول , هندیجان , ماهشهر , لالی , مسجد سلیمان , آزمون گلخانه ای