JECCIO VISENTI SERRAO DEJESUS Pengarang Yosefina Lewar, SP., MP Dosen Pembimbing 1 Roosna M. O. Adjam, SP., M.Si Dosen Pembimbing 2 Nova D. Lussy, SP., M.Sc Penguji 1 Ester R. Jella, SP, MP Penguji 2

This study aimed to 1) examine the effect of the best concentration of Amazing Bio Growth organic fertilizer on the growth and yield of cayenne pepper plants DewataVariety, and 2) determine the concentration of organic fertilizer Amazing Bio Growth best on the growth and yield of cayenne pepper plants Dewata Variety. The research was conducted in the farmer's garden in Baumata Village, Taebenu District, Kupang Regency in July 2020 – October 2020. The research was designed using Randomized Group Design (RAK). Factors studied were the concentration of organic fertilizer Amazing Bio Growth (A) namely A0 = Without ABG, A1 = 1 ml/l, A2 = 2 ml/l, A3 = 3 ml/l, A4 = 4 ml/l, and A5 = 5 ml/l. The observed variables were the height of plants, the percentage of flowers into fruit, the number of fruits, the length of fruit, the diameter of the fruit, and the weight of the fruit. The data was analyzed by fingerprints and continued with bnj 5% further test. The results showed that 1) Amazing Bio Growth organic fertilizer with different concentration levels had a real influence on the height of plants aged 4 and 6 MST, the percentage of flowers into fruit, the number of fruits, the diameter of the fruit, and the weight of the fruit, and the very real effect on the length of cayenne pepper varieties per plant, and 2) The concentration of organic fertilizer Amazing Bio Growth 2 mll/l gave the best influence on the diameter of the fruit (9.64 mm). Amazing Bio Growth 3 ml/l organic fertilizer concentration had the best influence on plant height of 4 MST and 6 MST (15.73 cm and 34.11 cm), number of fruits per plant (750.75 pieces), fruit diameter (9.10 mm), and fruit weight per plant (1,200.50 g). Amazing Bio Growth 4ml/l organic fertilizer concentration gave the best influence on the percentage of flowers into fruit (95.72%) and the length of the fruit (4.81 cm). Keywords : Cayyene Paper, Dewata variety, Organik Fertilizer, Amazing Bio Growth