MILAN, Sept 9 (Reuters) - Italian bank lending to businesses in July grew at its slowest pace since March 2020, data showed on Thursday, as the boost to credit from state support measures aimed at cushioning the hit from the pandemic on the corporate sector waned. A monthly Bank of Italy report on the balance sheets of domestic banks showed loans to non-financial companies grew by 1.7% year-on-year in July, down from a 3.8% rise in June. ($1 = 0.8454 euros) (Reporting by Sara Rossi, editing by Valentina Za)