Development and Validation of a Duplex RT-qPCR for Detection of Peach Latent Mosaic Viroid and Comparison of Different Nucleic-Acid-Extraction Protocols oleh Marta Luigi, Anna Taglienti, Carla Libia Corrado, Marco Cardoni, Simona Botti, Rita Bissani, Paola Casati, Alessandro Passera, Niccolò Miotti, Kris De Jonghe, Ellen Everaert, Antonio Olmos, Ana B. Ruiz-García, Francesco Faggioli