Pustaka Ilmiah Universitas Padjadjaran

Abstrak

Response of Fruit Fly, Bactrocera dorsalis Complex on Methyl Eugenol Derived From Basil Plant, Ocimum sanctum L.

Fruit fly is one of the major pests that attack horticultural commodities, as well as the insect becomes a major pest in mango plantation all over the world. The objective of this research was to study the response of fruit fly on methyl eugenol (ME) derived from basil plant used as attractant. The response test was conducted on 5 concentrations of ME (0.1 mL; 0.2 mL; 0.,3 mL; 0.4 mL; and control treatment/commercial eugenol = Petrogenol 0.2 mL) as laboratory test using Olfactometer, semi field trial using screencage (2m x 2m x 2 m), and field treatment. The semi field trial was conducted by placing a mango tree with ± 1 m of heigh and placing a sticky trap inside. Each of the screencage was infested by 50 male fruit flies. Those two experiments were arranged in Completely Randomized Design consisted of 5 treatments and 5 replications. The field experiment was conducted in mango plantation at Panyingkiran, Majalengka which was arranged in the Randomized Block Design with 5 treatments and 5 replications. The plastic bottle trap was used in the field test that was placed on the height of ± 1.5–2 m above soil surface. The result of laboratory test on Olfactometer showed that all of fruit fly gave response to the ME concentrations where the highest concentration the lowest of male insect were caught. On the concentration of 0.1 mL and 0.2 ml, the insect was more responsive compare to control treatment. In the semi field trial, the concentration of 0.2 mL showed the highest response with the highest number of insect trapped (30%). Field treatment indicated that the highest captured was on the concentration of 0.2 mL with the average of insect captured of 226 fruit flies. Titer Analysis of methyl eugenol from basil plant with Gas Kromatografi (GC) it’s 82.29%, whereas level of methyl eugenol from commercial attractant as high as 94.09%.