A two-choice olfactometer was developed to determine the behavioural responses of adult cotton bollworm (Helicoverpa armigera) to plant volatiles.

• 发展了一种选择性嗅觉仪，用这种嗅觉仪测定了棉铃虫成虫对萎蔫的枫杨叶、新鲜的棉花叶、棉花花蕾、玉米叶及玉米花丝气味的反应。