Field trapping efficacy of two kinds of sex pheromone attractant of Helicoverpa armigera.
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Key Words：sex pheromone, Helicoverpa armiger, trapping efficacy
Abstract： The cotton bollworm, Helicoverpa armigera (Hübner), has been one of the most serious pests in China. In order to monitor and trap the moth population efficiently, trapping efficacy of two kinds of sex pheromone attractant was evaluated in field in Shanxi and Xinjiang in 2009. These two kinds of the pheromone lure were from Institute of Zoology, Chinese Academy of Sciences and Beijing Pherobio Technology Co., Ltd., respectively. Two and six replicates were designed for these two kinds of attractant, respectively. The mean number of moths captured with the pheromone attractant from Institute of Zoology was 8.60 and 11.89 fold of that from Beijing Pherobio Technology Co. in Shanxi and Xinjiang, respectively. Statistical analysis showed that both differences were greatly significant (P< 0.01). Field durability of the attractant from Institute of Zoology was 62 days, 14 days longer than that from Beijing Pherobio Technology Co. based on these results, it was suggested to use the attractant from Institute of Zoology.