أول تسجيل للفطر pestalotiopsis rosa على الورد الجوري rosa hybrid L. في العراق

الملخص EN

The fungus Pestalotiopsis rosa was recorded for the first time in Iraq and isolated from Rosa host plant (Rosa hybrida) which infectd with Black stem disease, the fungus stimulated typical symptoms of this disease on the same host when artificially inoculated.

The ability of Pycnidia formation was found in P.

rosa, which were brown colour at immaturity and turned to black at full maturity on PDA.