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VAN DER BROEK, L. J., and C. C. GILL. 1980. The median latent periods for three isolates of barley yellow dwarf virus in aphid vectors. Phytopathology 70:644-646. The median latent periods (LP 50) were determined for three isolates of Rhopalosiphum padi with R. padi-specific isolate 6524 the values were 50.1 barley yellow dwarf virus in their specific vector or most efficient vector at hr and 35.0 hr, and for R. padi with R. padi nonspecific isolate 7410 the two temperatures. The latent perioddoi:10.1094/phyto-70-644 fatcat:pxa7tp7tfvbzrj33q7jdgizdo4