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1 October 2004 Effect of Attract and Kill Formulations and Application Rates on Trap Catches of European Pine Shoot Moth (Lepidoptera: Tortricidae) and Shoot Damage in Scots Pine Saplings
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Abstract

Attract and kill technology was tested for management of European pine shoot moth, Rhyacionia buoliana (Denis & Schiffermüller), in 4–6-yr-old Scots pine, Pinus sylvestris L., plantations managed by Jablonna and Pultusk Forest Districts, Poland. In 2001, two formulations based on ricinoleic acid and hydrocarbon fraction (petroleum jelly) in combination with (E)-9-dodecenyl acetate, the sex pheromone of the pine shoot moth; permethrin as a contact insecticide; and Tinuvin UV absorber were used. In 2002, different formulations and application rates of the attracticide based on petroleum jelly were tested. Significantly reduced trap catches occurred in plots treated with three attracticide formulations [Rhykil-1 (with Tinuvin UV absorber), Rhykil-2 (with a new UV absorber, 3,3′-dihydroxy-2,2′-bipyridyl), and Rhykil-3 (without the insecticide)] at 3,000 droplets per hectare in comparison with those in control plots, suggesting that all formulations were highly effective. Significantly lower catches than in control plots also were observed when Rhykil-1 was applied at 1000, 2,000, and 3,000 droplets per hectare. However, only slight reduction of shoot damage in treated plots was observed in both experiments. The formulation without the insecticide had similar efficacy to that of the formulation combined with the insecticide. In 2003, the Rhykil-2 attracticide was tested at 250, 500, and 1000 droplets per hectare. Although there were no significant differences in trap catches between treated and control plots, shoot damage level was reduced substantially in all treated plots. These results suggest that attract and kill technology may be used at rates lower than 1000 droplets per hectare for management of R. buoliana; however, its “kill” effect should be confirmed in further studies.

Lidia Sukovata, Andrzej Kolk, and Marek Cieślak "Effect of Attract and Kill Formulations and Application Rates on Trap Catches of European Pine Shoot Moth (Lepidoptera: Tortricidae) and Shoot Damage in Scots Pine Saplings," Journal of Economic Entomology 97(5), 1619-1623, (1 October 2004). https://doi.org/10.1603/0022-0493-97.5.1619
Received: 10 September 2003; Accepted: 1 April 2004; Published: 1 October 2004
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