Alternaria alternata EN22, Chladosporium cladosperoides FBP8, C. tenellum IS16, C. tenuissimum, Psathyrella sp. A18, strains of Fusarium, Melanconis marginalis A2, strains of Penicillum and Trichoderma harzianum IS2 could grow moderately to normally on MSA plates with PU, Ru, PE and LDPE-PB as well as agar itself as a control