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Journal : Mediagro

The EFFECT OF HOST EGG STORAGE DURATION OF Corcyra cephalonica AND THE NUMBER OF EGG CARDS ON THE PARASITIZATION OF THE EGG PARASITOID Trichogramma japonicum: PENGARUH LAMA PENYIMPANAN INANG Corcyra cephalonica DAN PERBANDINGAN JUMLAH PIAS TERHADAP PARASITASI PARASITOID Trichogramma japonicum Fathirsyam, Kemal; Kusuma, Ramadhani Mahendra; Rahmadhini, Noni
Mediagro: Jurnal Ilmu-ilmu Pertanian Vol 22 No 1 (2026): MEDIAGRO
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/mediagro.v22i1.14913

Abstract

Trichogramma japonicum is an important biological control agent used against Lepidopteran pests, and its mass production success strongly depends on the quality of the host eggs Corcyra cephalonica used for its development. This study aimed to determine the effect of storage duration of host eggs Corcyra cephalonica and the number of egg cards (pias) on the parasitization performance of the egg parasitoid Trichogramma japonicum. The research was conducted at the Parasitoid Laboratory of BBPPTP Surabaya using a completely randomized design (CRD) with two factors: egg storage duration (no storage, 1 week, and 2 weeks) and number of pias (3, 4, and 5). Observed parameters included host egg quality and quantity, parasitization rate, percentage of adult emergence, and sex ratio of the parasitoid. The results showed that egg storage duration significantly affected all observed parameters. Fresh eggs without storage produced the highest quality, with normal egg percentages reaching 97%, while two-week storage significantly reduced egg quality to below 68%. The highest parasitization rate was obtained from the combination without storage and three pias (P1V1), reaching 84.57%, whereas two-week storage reduced parasitization to around 66%. The highest adult emergence (87.83%) also occurred in P1V1, while the lowest was observed in P2V3 (74.29%). Similarly, the highest female proportion was recorded in P1V1 (86.67%), and the lowest in P2V3 (71.33%).
Co-Authors Achmad Fiqri Agustin, Eva Tri Aldi Kurniansyah Amir, Faradila anggreini, riski ayu Anita, Tri Yuli Arga Dwi Indrawan Ari Wijayanti Arika Purnawati Arika Purnawati Barna Deta Cristin Naftaly Cantika, Gabriella Choerunnisa, Agustya Salma Damayanti, Alfa Dirsista Didik Utomo Pribadi Didik Utomo Pribadi Dita Megasari Djiwanata, Indra Elly Syafriani Elly Syafriani Erlyana Desy Rahmawati Fathirsyam, Kemal Fatimah Lailatus Saadah Fitri Wijayanti Habibah, Isnaini Ainun Haidar Fari Aditya Hasbulloh, Mu'arif Ihza Herry Nirwanto Hery Nirwanto, Hery Imanadi, Latief Indah Nathasya, Rachmawaty Karuniadin Mukti, Ahmad Novarda Laksamana Agadhia Raharjo Laksmi Diana Lestari, Safira Rizka Mahendra Kusuma, Ramadhani Marlina, U'ud Uda Mochammad Mirza Saputra Mubarok, Basroh Saepul Muhammad Arif Wahyudin Muhammad Arif Wahyudin Muhammad Qoyyimul Amri Musarofa, Musarofa Nugroho, Tito Ridho Okta Gegana Purwadi Penta SURYAMINARSIH Prasetyo, Dandy Putri, Fanny Etrisya Putri, Redwika Clarissa Putri, Vadila Mulia Ramadhani Mahendra Kusuma Ramdan Hidayat Retno Widya Ningrum Risdiyanti, Rateh Lailatul Safira Rizka Lestari Saputra, Mochammad Mirza Saputra, Mochammad Mirza Suharto Suputa Suputa Tri MUJOKO Trijanti A. Widinni Triwahyu, Endang Ukhrowi, Syerlina Titis Muawanah Widajati, Wiludjeng Widayati, Wiludjeng Wijayanto, Mohamad Adi Wiludjeng Widayati Windriyanti, Wiwin Wiwik Sri Harijani Wiwin Windriyanti Wiwin Windriyanti Yenny WURYANDARI YUDI NUR SUPRIADI Yulifada, Dede Angelina Zetta Rasullia Kamandang