Abstract
Abstract Mating disruption experiments were evaluated and compared in several pheromone traps and sexpheromone composition ratios at commercial chestnut garden for developing alternative control method of D.punctiferalis. The highest attractive was shown in Delta traps at the effective sex pheromone ratio of 75:25(E10-16:A1:Z10-16:A1). Comparisons of domestic and imported pheromone constituents were not significantdifference in 90:10 (E10-16:A1:Z10-16:A1). But, there was significant difference in sex pheromone ratio of75:25. D. punctiferalis was caught the highest number in Gongju area for attractive test using pheromonetrap. Attractive effects with dose of pheromone were showed the highest at 2.5 mg/lure and 1 mg/lure inGongju area and Cheongyang area respectively. However, there was no significant difference amongpheromone dose in Buyeo area. These data could be useful for eco-friendly managing of D. punctiferalis inthe chestnut farm.Key words Delta trap, Dichocrocis punctiferalis, (E)-10-hexadecenyl aldehyde, Sex pheromone, (Z)-10-hexa-decenyl aldehyde
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