The single spores were isolated from chlamydospores of Ustilaginoidea virens with three different maturities by PSA. The isolated single spores were cultured on
[Objective] The paper was to compare different extraction methods for genomic DNA of fall webworm [Hyphantria cunea( Drury) ]and study the amplification effect
[Objective]The paper was to study the control effect of pheromone insect-attracting board on tea green leafhopper(Empoasca vitis Gothe)in fields. [Method]Pherom