| Apple or pear genotypes | Preliminary test |
| B9 | Infection assay (Pythium ultimum) |
| M9 | Infection assay (Pythium ultimum) |
| G935 | Infection assay (Pythium ultimum) |
| M26 | Infection assay (Pythium ultimum) |
| G41 | Infection assay (Pythium ultimum) |
| O3R5 Progenies (65 different genotypes) | Infection assay (Pythium ultimum and Infection assay (Pythium ultimum)); interaction with nematodes Pratylenchus penetranse |
| “Gala” | Infection assay (Rhizotonia solani) |
| “Golden Delicious” | Shoot proliferation and root induction and elongation |
| “Barlett” | Shoot proliferation and root induction and elongation |