1Maria-Teresa Scarano, Nicasio Tusa. Flow cytometry, SSR and modified AFLP markers for the identification of zygotic plarttlets in backcrosses between 'Femminello' lemon cybrids (2n and 4n) and a diploid clone of ' Femminello' lemon ( Citrus limon L. Burm. F. ) tolerant to mal secco disease [ J ]. Plant Science, 2003,164 : 1009 - 1017.