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ARIYANTI, EKA LESTARI
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Agriculture, Biological Sciences & Forestry

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UJI POTENSI DAN MEKANISME ANTAGONIS BAKTERI ENDOFIT ASAL TUMBUHAN LIAR SEBAGAI AGENS HAYATI PENGENDALIAN Fusarium oxysporum SECARA IN-VITRO RAHIMI, ANDI SITTI; KHAERUNI, ANDI; BANDE, LA ODE SANTIAJI; ARIYANTI, EKA LESTARI; SATRAH, VIT NERU; ASNIAH, ASNIAH
Jurnal Agroteknos Vol 12, No 2 (2022)
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This research motivated by the Fusarium oxysporum which is a soil borne fungus that can infect cultivated plants. F. oxysporum is a facultative parasite that is part of its life as a saprophyte and becomes a parasite if there is a host plant. This study aims to determine the potential of endophytic bacteria from wild plants as biological agents control of F. oxysporum in-vitro. This research was conducted at the Laboratory of Plant Protection, Phytophatology Unit, Faculty of Agriculture, Halu Oleo University from September 2020 to March 2021. The results showed that endophytic bacteria isolated from wild plants such as as Jamaica cherry/kersen (Muntingia calabura), Suruhan (Paperomia pellucida), and Markisa Hutan/Rambusa (Passiflora foetida) have the potential as biological agents to control F. oxysporum in vitro, with the two best isolates, namely ASR-7(3) and BK-3(2) which were to inhibit the growth of F. oxysporum through the mechanism of antibiosis and competition, produced enzyme bioactive compounds (amylase and protease) which degrade of pathogenic fungi, and are able to produce volatile compounds.
PENGENDALIAN HAYATI PENYAKIT LAYU FUSARIUM PADA TANAMAN TOMAT (Solanum lycopersicum L.) MENGGUNAKAN BAKTERI ENDOFIT ASAL TANAMAN LIAR NERU SATRAH, VIT; ASDAR, ASDAR; KHAERUNI, ANDI; SANTIAJI BANDE, LA ODE; RAHMAN, ABDUL; ISNAINI ULFA, NUR; ARIYANTI, EKA LESTARI
Jurnal Agroteknos Vol 13, No 3 (2023)
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This research aims to determine the effect of using endophytic bacteria from wild plants in the biological control of Fusarium Wilt disease on tomato plants and to find out which isolate method is best for controlling Fusarium Wilt disease on tomato plants. The research was carried out at the Plant Protection Laboratory, Phytopathology Unit, and Experimental Garden Greenhouse 1, Faculty of Agriculture, Halu Oleo University, Kendari, from September to November 2022. This research used a Randomized Block Design (RBD) with 5 treatments repeated 3 times for a total of 15 treatment units. The variables observed were divided into 2, namely vegetative plant growth (plant height, number of leaves, and number of productive branches) and the incidence of Fusarium Wilt disease on tomato plants. The data was analyzed using variance and if there was a real influence, it was continued with the Duncan Multiple Range Test (DMRT) at a confidence level of 95%. The results of the research showed that endophytic bacteria from wild plants were able to increase plant growth and control Fusarium Wilt disease in tomato plants and ASR-3(2) isolate was the best isolate in increasing plant growth and controlling Fusarium Wilt disease.
UJI BEBERAPA MINYAK ATSIRI SEBAGAI ATRAKTAN LALAT BUAH (Bactrocera sp.) PADA TANAMAN TOMAT) ARIYANTI, EKA LESTARI; SAYANG, YULIS; A, SYAMSURIATI
Jurnal Agroteknos Vol 12, No 3 (2022)
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This research was conducted to determine the effectiveness of this type of essential oil as an attractant for fruit flies (Bactrocera sp.) on tomato plants. The research was carried out on farmer's land in Benteng Alla Utara Village, Baroko District, Enrekang Regency. The implementation of this research starts from April 2021 until it is finished. This experiment used a randomized block design (RBD) consisting of five treatments with four replications. The treatments included citronella essential oil, clove essential oil, basil essential oil, tomato extract and also control. In testing the effectiveness of several essential oils obtained by steam distillation distillation technique. Each trap dripped with 3 ml of essential oil. Observation of trapped fruit fly populations was carried out on plants 49 days, 56 days, 63 days, 70 days, 77 days, and 84 days after planting. The results showed that the essential oil of basil was the most effective as an attractant for fruit flies on tomato plants with an average population of 55.17%.
POTENSI EKSTRAK DAUN SIRIH (Piper betle liin) SEBAGAI BIOFUNGISIDA PENYAKIT BUSUK BUAH STROBERI (Colletotrichum fragariae brooks) SECARA IN-VITRO Ariyanti, Eka Lestari; Jahuddin, Rahmat; Yunus, Muhammad
Jurnal Agroteknos Vol 2, No 3 (2012)
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One of important pathogens on strawberry is Colletotrichum fragariae causing fruit rot. The study aimed to investigate the potency of water betel leaf extract (Piper betle liin) as biofungicides for inhibiting growth of C. Fragariae under   in-vitro test.   The study was arranged in Completely Randomized Design that consisted of five treatments : 0%, 10%, 20%, 30%, and 40%  concentration of water betel leaf extract.  Betel leaf was extracted by grinded in mortal, added steril water and mixed with PDA medium.  The study showed that the 40% concentration of  water betel leaf axtraction was most effective to inhibit growth of C. Fragariae in-vitro on PDA medium. The inhibiting ability of coloni grown was 58,57%, while inhibiting of spore germination was 33,59%. Key word :  Colletotrichum fragariae, strawberry, water betel leaf extract.
Co-Authors A, SYAMSURIATI Abdul Rahman ANDI KHAERUNI Asdar Asdar Asniah Asniah ISNAINI ULFA, NUR Jahuddin, Rahmat La Ode Santiaji Bande Muhammad Yunus NERU SATRAH, VIT RAHIMI, ANDI SITTI Satrah, Vit Neru sayang, yulis