Improvement of Attractant and Trap of Grapholita molesta (Busck) in Peach

doi:10.16409/j.cnki.2095-039x.2025.01.001

Abstract

Abstract: Sex pheromone control has become the main biocontrol method of oriental fruit moth. The sex pheromone monitoring and trapping of Grapholita molesta were affected and the female moths could not be monitored in the maze orchard or when the population density was high. In this study, the attractive effects of terpinyl acetate, E8, E10-12:OH and small sex pheromone on G. molesta were investigated in conventional peach orchards and peach orchards treated with sex pheromone, and the trapping device was improved. The results showed that the water-soluble terpinyl acetate had the best trapping effect under the triangular-water cup trap, and the trapping amount was 38.22. The combination of E8, E10-12:OH, terpinyl acetate and pear sex pheromone showed synergistic attraction. Compared with the simple pear sex pheromone, the capture amount of the combination of the three treatments could reach 2.38 times. The treatment containing terpinyl acetate can capture female insects, and the female induction rate can reach 18.6%. In the peach orchard, the small sex pheromone of pear and E8, E10-12:OH were difficult to monitor the occurrence of pests. The treatment group containing only terpinyl acetate captured the G. molesta and captured the female insects, and the female rate was up to 37.6%. Studies have shown that the combination of these three substances captures more (female) G. molesta in high-density insect populations or tropism treatments, which improves the accuracy of population assessment.

Key words: oriental fruit moth, mating disruption, trap, food lure, monitoring

CLC Number:

S476

ZHANG Bojun, LI Yiran, WEI Xiaohong, LI Xianwei, ZHAO Longlong, MA Ruiyan, XIANG Huiming. Improvement of Attractant and Trap of Grapholita molesta (Busck) in Peach[J]. Chinese Journal of Biological Control, 2025, 41(1): 71-79.

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