DAYA PARASITASI Apanteles flavipes Cam. (Hymenoptera: Braconidae) PADA PENGGEREK BATANG TEBU BERGARIS (Chilo sacchariphagus Boj.) (Lepidoptera: Pyralidae) DI LABORATORIUM

Susanti Oktaviana Simanjuntak, Maryani Cyccu Tobing2 Maryani Cyccu Tobing2 Maryani Cyccu Tobing2, Darma Bakti2 Darma Bakti2

Abstract


The Ability of Parasitoid Apanteles flavipes Cam. (Hymenoptera: Braconidae) on Sugarcane Stem Borer (Chilo sacchariphagus Boj.) (Lepidoptera: Pyralidae) in the Laboratory, The sugarcane stem borer Chilo sacchariphagus Boj. (Lepidoptera: Pyralidae) is one of pest that attack sugarcane crop in North Sumatera. The objectives of this research were to study the ability of parasitoid Apanteles flavipes Cam. (Hymenoptera: Braconidae) to control C. sacchariphagus. The research was conducted at the Laboratory of Sugarcane Research and Development Sei Semayang, Binjai, Medan, North Sumatera from Mei to July 2012. This method used  Randomized Complete Design Factorial with two factors. The first factor was age of A. flavipes (control, 0, 1, 2, 3, 4 days) and the second factor was number of C. sacchariphagus (1, 3, 5, 7 larvae) with three replications. The results showed that the percentage of parasitation depend on age of A. flavipes and number of        C. sacchariphagus. The result showed that the highest percentage of parasitation (48.02%) on 0 day A. flavipes and the lowest (11,11%) on 4 days A. flavipes. The highest percentage of parasitation (61,11%) in number of host was 1 larvae C. sacchariphagus and the lowest (9,53%) in 7 larvae     C. sacchariphagus. Sex ratio of male and female was 1: 1.99.

 


Keywords : Parasitoid, Apanteles flavipes, percentage parasitation, sex ratio, Chilo sacchariphagus.


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Program studi Agroteknologi

Fakultas Pertanian

Jl. Prof. A. Sofyan no. 3

Kampus Universitas Sumatera Utara

Padang Bulan- 20155

Medan-Sumatera Utara

E ISSN (2337-6597)