Grain sorghum [_Sorghum bicolor_ L. (Moench)] is subjected to infection by certain diseases causing great and substantial damage to the crop. _Fusarium_ stalk rot of sorghum caused by _F_. _moniliforme_ (J. Sheld) represents the common stalk rot in Egypt and many areas of the world. The tested sorghum cultivars reacted differently to _F.__moniliforme_ in the two tested seasons. Giza15 sorghum ... إقراء المزيد