Pycnial stage or Spermogonial stage of Puccinia graminis f.sp. tritici causing Rust disease of wheat

Pycnial stage or Spermogonial stage of Puccinia graminis f.sp. tritici causing Rust disease of wheat

Sumia Fatima-Telial stage (black rust stage), Rust disease of wheat

Life cycle of Puccinia graminis (part 1)|2nd sem