Abstract. Ikhsan M, Priyambodo S, Nurmansyah A, Hendarjanti H, Sahari B. 2020. Species diversity, abundance and damaged caused by rats in oil palm plantation in West and Central Sulawesi, Indonesia. Biodiversitas 21: 5632-5639. Oil palm is one of the plantation commodities which has an important role in Indonesia’s economy. Indonesia is the largest producer and exporter of oil palm in the world with its export value capable of supplying 55.78% of global consumption. Rats are wild animals that are important pests for human life, both in agriculture plantations and urban areas. Rats can damage crops at various stages of plant growth. This study was aimed to determine the species abundance of rats in oil palm plantations, calculate the severity of crop damage due to rats infestation. Three blocks of mature plants were used in OC and OH plantation blocks were used to calculated, crop damage caused by rats, Identify the species of rats, and estimated rats abundance. The results of these studies showed there were four species of rats found in the oil palm plantation, namely Rattus tiomanicus, R. tanezumi, Rattus sp, and Maxomys hellwaldii. However, only R. tiomanicus and R. tanezumi were dominant species. There were significant differences in the number of, sex, and body weight between R. tiomanicus and R. tanezumi. The OC 12 block had the lowest infestation intensity than the other blocks since it was well maintained. The OH 02 block had the highest infestation intensity, infestation area, and abundance due to a lack of maintenance.
Rice field rats are the main pests of rice whose breeding period is related to the rice growth phase. The research aimed to determine the sex ratio of rice field rats in several phases of rice growth based on the linear trap barrier system (LTBS) catch.
House rat (Rattus tanezumi L.) is an urban pest that are disturbing in the settlements habitat. It can cause destruction and as a reservoir of pathogen to human. Control efforts have been conducted, both non-chemical and chemical. A flavoring ingredient in the formulation of rodenticide is required for chemical control. The objective of this study was to investigate the preference of house rat to flavor ingredients i.e. egg, sugar, monosodium glutamate, cooking oil, and soy sauce. The benefit of this research is to provide information and knowledge on the preference of house rat to the flavor type combined with rodenticide. These ingredients could be attractive enough to combine with acute rodenticide (zinc phosphide) and chronic rodenticide (coumatetralyl) for application in the field. Research conducted at Vertebrate Pest Laboratory, Dept. of Plant Protection, IPB Univ. for 6 month. Preliminary trial conducted to test the different concentration of several flavoring ingredients. Then, it mixed with 2 rodenticides, acute and chronic. The preliminary trial indicated that 10% of egg was the most preferable bait. The daily consumption on acute rodenticide (1.29 g) was significantly different to positive control (0.24 g). On the other hand, the consumption on chronic rodenticide was very high (3.34 g) and significantly different to negative control (2.18 g) and positive control (0.21 g). Mortality rate of test animal on acute and chronic rodenticide was 80% and 90%, respectively.
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