Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 19 ISSUE 4
Written by Waheed M. ASHAGIDIGBI

The study was conducted in Modoinding District in the villages of Palelon, Makaaroyen and Linelean. The purpose of this study was to determine the types of pests and diseases and their populations. Insect sampling using the diagonal slice method where in each plot there are 5 subplots, 4 at the end and 1 in the middle, each subplot is 4m x 2m wide. Samples were collected by sweeping using 10 nets of insect swings. Insect samples were anesthetized with ethyl acetate and put in bottles containing alcohol and labeled. Samples are taken to the laboratory to identify and calculate the population. Insect sampling was carried out at the age of the plant 14, 28, 42, 56, 70, 84 days after planting. Plant disease sampling also used diagonal slice method, each subplot was 2m x 2m with 22 plants per subplot. Sampling of plants affected by disease is carried out on plants aged 35, 42, 49 days after. Found as many as 27 types of identified insects known as pests, predators and parasitoids. The dominant insects found and the population average is Empoasca sp. 49 individual, Lygus sp. 16.44 individual, Leptorna sp. 15.89 individual, Acrididae 11.44 individual, Nezara sp. 11.22 individual, Epilachna sp. 10.89 individual, Bactrocera sp. 10.78 individual, Phthorimaea sp 10.17 individual. Identified plant diseases are dry spots Alternaria solani, fusarium wilt Fusarium oxysporum and Ralstonia solanacearu. The incidence of the disease found is not too significant where the numbers are relatively small. Bacterial wilt disease was found as much as 7.5%, fusarium wilt 4.54% and dry spots 3.61%.

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