TY - JOUR T1 - Field efficacy of the nucleopolyhedrovirus of Anticarsia gemmatalis Hübner (Lepidoptera: Noctuidae): effect of formulations, water pH, volume and time of application, and type of spray nozzle JO - Neotropical Entomology A1 - SILVA, MAURO TADEU BRAGA A1 - MOSCARDI, FLÁVIO SN - 1519-566X UL - 10.1590/S1519-566X2002000100011 VL - 31 Y1 - 2002 PB - Brasil ER -