Bioactivity of Myoporum bontioides extracts to Plutella xylostella Bioactivity of volatile oils from Myoporum bontioides on Plutella xylostella STUDIES ON THE BIOACTIVITY AND PHYSIOLOGICAL REACTION OF THE EXTRACTS FROM MYOPORUM BONTIOIDES AGAINST PIERIS RAPAE Chemical constituents from leaves of Myoporum bontioides Chemical Constituents from Leaves of Myoporum bontioides and Their Bacteriostatic Activities Flavonoids from the Leaves of Myoporum bontioides Chemical constituents from leaves of Myoporum bontioides