تقويم فعالية ثلاثة أنواع من المصائد في جذب أفراد ذبابة ثمار الزيتون Bactrocera (Dacus)‎ oleae

Abstract EN

This study was conducted in northern Lebanon in olive orchards near the town of Kusba, koura, during the period July 20-october 24, 1993.

the main objective of the study is to evaluate the effectiveness of food, color and pheromonic traps in attracting and trapping adult olive fruit flies bactrocera (dacus) oleae (gmelin).

a completely randomized design with three replicates was used.

four treatments were compared : food trap, color (yellow) trap, pheromone trap and a combination of the three traps.

interaction among the different traps was also evaluated.

results showed that traps containing a 2 % solution of diammonium hydrogen phosphate (food) was the most effective at high temperatures and low relative humidity.

the yellow sticky traps (color) was more effective in attracting male than female adults during the experimentation period, and mostly during low temperatures and high relative humidity.

the attractiveness to pheromone and color traps was low during summer months.

the presence of pheromone traps in the olive orchards led to higher numbers of male flies.

it was concluded that it was very essential to identify accurately when to introduce pheromone traps to an orchard, and should be used only to monitor male populations.