Sergio Musmeci, sergio.musmeci@casaccia.enea.it1, Massimo Cristofaro, massimo.cristofaro@casaccia.enea.it2, Silvia Arnone, silvia.arnone@casaccia.enea.it3, Antonella Lai, lai@frascati.enea.it3, Annalisa Vullo, silvia.arnone@casaccia.enea.it3, and Vincenzo Fogliano, silvia.arnone@casaccia.enea.it4. (1) Biotechnology and Biological Control Agency, Via del Bosco, 10, Sacrofano, Rome, Italy, (2) ENEA, C.R. Casaccia, BIOTEC-SIC, Rome, Italy, (3) ENEA, BIOTEC-GEN, Via Anguillarese, 301, Rome, Rome, Italy, (4) University of Naples “Federico II”, DSA, Scienza degli Alimenti, Portici, Naples, Naples, Italy
Potato tuber moth (PTM) is a key potato crop pest in subtropical and Mediterranean areas.
Somatic hybrids tbr (+) pnt showed good resistance levels. In resistant clones, larval feeding is followed by an early mortality, apparently associated to a strong anthocyanin reaction. Two tetraploid clones, the moderately resistant clone H256-1 (+) BGRC 008168-62 (clone 62) and the resistant H256-1 (+) BGRC 008168-6 (clone 6), were used in 4 experiments aimed to manipulate and dissect resistance by larval feeding, physical and chemical factors.
Species 1: Lepidoptera Gelechiidae
Phthorimaea operculella (Potato tuberworm)
Keywords: insect resistance, somatic hybrids
Poster (.pdf format, 137.0 kb)
