Commonly available low-cost natural substrates. including agricultural products and byproducts. were evaluated for blastospore production by the entomopathogenic fungi Beauveria bassiana (Balsamo)Vuillemin and Beauveria brongniartii(Sacc. ) Petch. https://www.marketingjeunesse.com/product-category/oxydant-creme-3-75-12-5-volume/