| Xap | Xanthomonas arborícola pv. pruni |
| PNRSV | Prunus necrotic ringspot virus |
| Xf | Xylella fastidiosa |
| DNA | Deoxyribonucleic acid |
| RNA | Ribonucleic acid |
| RT-PCR | Real-time–polymerase chain reaction |
| HWT | Hot water treatment |
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