Progress in Nuclear Polyhedrosis Virus Genomics RESTRICTION ENDONUCLEASE ANALYSIS OF HYPHANTRIA CUNEA NPV A Studies on the Technology of Propagation of the Nuclear Polyhedrosis Virus of the Poplar Looper,Apocheima cineraius Preliminary Study on Catopsilia pornana NPV THE INFECTIOUS ROUTE OF NUCLEAR POLYHEDROSIS VIRUS IN THE MIDGUT EPITHELIAL CELLS OF Helicoverpa armigera The control effect of Spodoptera exgiua nuclear polyhedrosis virus on its host population Analysis on the Optimal Ratio of Bt to EoNPV A NUCLEAR POLYHEDROSIS VIRUS OF THE LYMANTRIID, PAROCNERIA ORIENTA CHAO Study on Infection of Pupal Ovaries Cells of Antheraea pernyi with ApNPV SCREENING FOR THE NUCLEAR POLYHEDROSIS VIRUS PREPARATION OF TEA GEOMETRID AVAILABLE IN HIGH TEMPERATURE SEASON THE CONTROL EFFECT OF TEA GEOMETRID NUCLEAR POLYHEDROSIS VIRUS ON HOST POPULATION A STUDY ON THE NUCLEAR POLYHEDROSIS VIRUS OF THE POPLAR LOOPER (APOCHEIMA CINERARIUS) Ⅳ. RECOVERY TESTS OF VIRUS The Structural and Phylogenetic Analysis of Late Expression Factor 8 Study on the Mass Propagation of Lymantria dispar Nuclear Polyhedrosis Virus (LdNPV) and Its Application Sustainable Effects for Hyphantria cunea Nuclear Polyhedrosis Virus on the Host Insects and the Diffusion Approach of the Virus The effect specialty of EpNPV-Bt preparation A PRELIMINARY STUDY ON THE NPV OF EUPTEROTE SAPIVORA STUDIES ON THE NUCLEAR POLYHEDROSIS VIRUS OF THE POPLAR LOOPER (APOCHEIMA CINERARIUS) V.PREPARATION AND PRODUCT DETECTION OF ACINPV FORMULATION EFFECTS OF SINPV ON THE INCREASE OF EXPERIMENTAL POPULATION OF COMMOM CUTWORM SPODOPTERA LITURA FABRICIUS THE BIOASSAY AND FIELD EFFICACY TESTS OF THE NUCLEAR POLYHEDROSIS VIRUS OF Chihuo zao Yang FIELD TESTS OF THE FEASIBILITY OF SEX PHEROMONE PLUS VIRUS DISPENSER TECHNIQUE Epizootic dynamics of Spodoptera litura nuclear polyhedrosi virus Mathematical simulation on relatiouship of mean lethal rate of nuclear polybedrosis virus to its host insect and temperature Studies on Applied Technique for control Grassland Caterpillar by V·B Biological Pesticide