The population density of arthropods in the rice field ecosystem with insecticide application

Abstract

Abstract This research was conducted in Jeneponto Regency with the purpose was to determine the effect of the use of insecticide on the presence of arthropods in the paddy ecosystem. This research was conducted in 2 rice plantations, each measuring 65 m x 12 m, the first plot was carried out without the application of insecticides in accordance with the habits of farmers. Arthropod sampling begins at the age of the plant 30 days to 70 days. Sampling is done every seven days. Sampling of Arthropod Sweep Net and Pitfall Trap Samples. Arthropod samples can be observed morphologically to know their counterparts in the paddy ecosystem. The results showed that in the rice field without insecticide found 6 species of pests, 10 species of predators, 7 species of predators, and 2 species, pollinators. In the rice field with applied insecticide, found 5 species of pests, 8 species of predators, and 3 species of parasitoids. The results of statistical analysis showed that the average number of arthropods found in rice fields without insecticide treatment was significantly different from those applied with insecticides starting at observations at 42 days to 77 days.

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