HASIBUAN, NUR HAZLINDA (2025) INTERAKSI ANTARA HAMA PRIMER DAN HAMA SEKUNDER PADA BERAS. S1 thesis, UNIVERSITAS MALIKUSSALEH.

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Abstract

ABRSTRACT Sitophilus oryzae (L)., Tribolium castaneum (Herbst) and Oryzaphilus surinamensis (L). is a post-harvest pest associated with rice during storage. Interactions between individuals of the three species can affect the population and damage of rice. This study aims to determine the interaction between post-harvest pest species on the population and rice damage. This research was conducted at the Laboratory of Plant Pests and Diseases, Agroecotechnology Study Program, Faculty of Agriculture, Malikussaleh University, from December 2024 to March 2025. This study used a Complete Random Design (CRD) with intraspecific and interspecific interaction treatment of postharvest pest species. A total of 30 imago were infested into a plastic jar containing 150 g of rice by following the following combination of 30 imago S. oryzae, 30 Iamago T. castaneum, 30 O. surinamensis, 15 imago S. oryzae + 15 imago T. castaneum, 15 imago S. oryzae + 15 imago O. surinamensis, 15 imago T. castaneum + 15 imago O. surinamensis, 10 imago S. oryzae + 10 images T. castaneum + 10 images O. surinamensis with 8 repetitions, so that 24 experimental units were obtained. The data was analyzed using variety analysis and continued with the DMRT test at the level of 0.05%. The results of the study show that the interaction between primary pests S. oryzae and secondary pests T. castaneum and O. surinamensis This can significantly reduce the growth of pest populations, the percentage of rice weight depreciation, and the rate of rice spoilage during storage. The presence of primary pests favors the development of secondary pests, which can increase physical damage and deteriorate the quality of rice. This study emphasizes the importance of integrated control of both types of pests to maintain the quality and quantity of rice in storage. Keywords: Competition, Oryzaephilus surinamensi, Rice, Sitophilus oryzae, Tribolium castaneum.

Item Type:	Thesis (S1)
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Pascasarjana > 54111 - Magister Agroekoteknologi
Depositing User:	Nur hazlinda
Date Deposited:	02 Oct 2025 08:59
Last Modified:	02 Oct 2025 08:59
URI:	https://rama.unimal.ac.id/id/eprint/16470

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