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Etti Swasti
Universitas Andalas
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Education Immunology & microbiology Materials Science & Nanotechnology

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Optimasi Konsentrasi Pupuk Organik Cair terhadap Hasil Dua Kultivar Tanaman Selada (Lactuca sativa L.) pada Sistem Hidroponik Rakit Apung Nefa, Atikah Julia; Sutoyo, Sutoyo; Swasti, Etti
JURNAL AGROTEKNOLOGI UNIVERSITAS ANDALAS Vol 4 No 2 (2022)
Publisher : Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jagur.4.2.73-81.2022

Abstract

Lettuce (Lactuca sativa L.) is a vast horticultural plant hydroponics are grown, but improved hydroponic lettuce using Liquid Organic Fertilizer (LOF) is not optimal to replace inorganic fertilizers. The aims of this research are to determine the interaction of giving LOF with the two cultivars of lettuce, to get the optimum concentration of LOF for maximum yield base on the right concentration, and to find out the best cultivars has the best yield. This research was conducted in June to September 2019 at the Agrofarm Hidroponik 55 Cupak Tangah, Water Laboratory of Environmental Engineering Study Program, Instrumentation and Control Laboratory of Agricultural Engineering Study Program, Nutrition and Nonruminant Laboratory of Animal Husbandry Faculty, Andalas University, Padang City. The experiment used a Completely Randomized Design (CRD) consisting of 2 factors, namely lettuce cultivars (Grand Rapid and Green Coral 710) and fertilizer concentration (liquid organic fertilizer and inorganic ab-mix fertilizer) with consisted on 6 levels. There were 12 combinations and 3 replications resulting in 36 treatment units. The data were analyzed statistically using the F test at the 5% level followed by a Dunnett test. The results showed that there was no interaction between type and concentration of fertilizer with the two cultivars of lettuce. LOF being given on the lettuce products height, number of leaves, weights of plant, hardness of leaves lettuce is lower than of the one given inorganic fertilizer but LOF giving products relative level of fiber is similar to the giving inorganic fertilizer. Grand Rapid cultivars has higher and harder than Green Coral but it doesn?t show a real difference in result on weights, number of leaves and fiber?s level
Keragaman Morfologi Tembakau (Nicotiana tabacum L.) Lokal Kabupaten Lima Puluh Kota Berdasarkan Analisis Klaster UPGMA Putra, Jerry Aldani; Yusniwati; Swasti, Etti
Jurnal Research Ilmu Pertanian Vol. 6 No. 1 (2026): Jurnal Research Ilmu Pertanian (Februari 2026)
Publisher : Fakultas Pertanian, Universitas Ekasakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/fyvw9j17

Abstract

Kabupaten Lima Puluh Kota merupakan sentra produksi tembakau lokal di Sumatera Barat yang masih mempertahankan beberapa kultivar tradisional. Penelitian ini bertujuan menganalisis keragaman morfologi tembakau (Nicotiana tabacum L.) lokal serta hubungan fenotipik antar aksesi menggunakan analisis klaster. Penelitian dilakukan Agustus–Desember 2025 melalui survei eksploratif dengan purposive sampling terhadap 11 aksesi dari tujuh kecamatan. Karakterisasi mencakup karakter kualitatif dan kuantitatif berdasarkan deskriptor morfologi. Data dianalisis menggunakan koefisien kemiripan dan metode UPGMA. Hasil menunjukkan karakter kualitatif relatif seragam dengan koefisien kemiripan 0,54–1,00, sedangkan karakter kuantitatif lebih bervariasi dengan koefisien 0,40–0,69. Analisis klaster kuantitatif membagi aksesi menjadi dua kelompok utama dengan tingkat keragaman fenotipik sedang. Tinggi tanaman, diameter batang, dan ukuran daun berkontribusi dominan terhadap pembentukan klaster. Keragaman morfologi ini berpotensi dimanfaatkan dalam konservasi plasma nutfah dan program pemuliaan tembakau lokal.
Short Communication: Resistance of eleven new hybrid maize genotypes to Turcicum leaf blight (Exserohilum turcicum) BUDI SETYAWAN; IRFAN SULIANSYAH; ASWALDI ANWAR; ETTI SWASTI
Biodiversitas Journal of Biological Diversity Vol. 17 No. 2 (2016)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d170230

Abstract

Setyawan B, Suliansyah I, Anwar A, Swasti E. 2016. Short Communication: Antidiabetic screening of some Indonesian marine cyanobacteria collection. Biodiversitas 17: 604-608. Turcicum leaf blight (TLB) is a leaf disease caused by the fungus Exserohilum turcicum (Pass.) Leonard and Suggs. In Indonesia, TLB was first discovered in North Sumatra in 1917 (Van Hall 1929), and now is found throughout Indonesia (Semangun 2008). Losses due to yield decrease will be greater when the plant is infected at the time of flowering and grain filling phase. Resistant varieties are the most effective way of controlling TLB. The purpose of this research was to test 11 new hybrid maize genotypes to determine the level of TLB resistance. The research was conducted in 2 season, usingrandomize complete block design, 3 replication and 2 control genotypes. Based on statistical examinations and CIMMYT (1999) scoring system, it could be concluded that 10 prospective genotypes (90.9%) which were SSU3X28871, SSU3X29131, SSU3X30735, SSU3X45172, SSU3X68276, SSUSX02791, SSUSX06145, SSUSX48274, SSUSX68849 and SSUSX76844 were significantly better than both control genotypes at LSD 5% (=0.05).
West Sumatra Brown Rice resistance to Brown Planthopper and Blast Disease INDRA DWIPA; AUZAR SYARIF; IRFAN SULIANSYAH; ETTI SWASTI
Biodiversitas Journal of Biological Diversity Vol. 19 No. 3 (2018)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d190318

Abstract

Dwipa I, Syarif A, Suliansyah I, Swasti E. 2018. West Sumatra Brown Rice resistance to Brown Planthopper and Blast Disease. Biodiversitas 19: 893-898. Brown rice is a highly nutritious rice widely consumed as the carbohydrate substitute of common rice. Brown rice resistance to biotic stress is one of indicators of a superior variety. Our study aimed to analyze the response of several brown rice genotypes from West Sumatra to brown planthopper attack and blast disease. This study comprised two experiments, the resistance assay to brown planthopper (Nilaparvata lugens (Stal.) and the resistance assay to blast fungi Pyricularia oryzae. The resistance assay to brown planthopper was done using randomized block design experiment with three replicates. Eighteen brown rice genotypes (15 brown rice, 2 black rice, and 1 control genotype) were tested in the assay. From 17 brown and black rice tested, 7 genotypes were resistant and 2 were moderately resistant. For blast resistance analysis, fifteen rice genotypes (13 brown rice and 2 black rice) were used. There was only 1 genotype highly resistant and 3 moderately resistant to blast disease among those 15 brown and black rice.
Evaluation of resistance in new hybrid maize genotypes to Northern leaf blight (Exserohilum turcicum) TAUFIQ HIDAYATULLAH; IRFAN SULIANSYAH; ETTI SWASTI; NURWANITA EKASARI PUTRI; I MADE JANA MEJAYA
Biodiversitas Journal of Biological Diversity Vol. 26 No. 10 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d261012

Abstract

Abstract. Hidayatullah T, Suliansyah I, Swasti E, Putri NE, Mejaya IMJ. 2025. Evaluation of resistance in new hybrid maize genotypes to Northern leaf blight (Exserohilum turcicum). Biodiversitas 26: 4967-4975. Northern Leaf Blight Disease (NLB), caused by Exserohilum turcicum, is a major foliar disease threatening maize (Zea mays) production in Indonesia. This study aimed to evaluate the resistance of 20 new hybrid maize genotypes developed by Universitas Andalas, along with two control varieties, against NLB. Field trials were conducted in West Sumatra using a randomized complete block design to assess disease resistance and agronomic traits. Multivariate analysis was used to assess 20 new hybrid maize genotypes. The collected data were examined across nine parameters: Plant Height (H), Ear Height (EH), Stem Diameter (SD), Dehusked Ear Weight (DEW), Harvest Moisture (HM), Grain Weight per Ear (GWE), 1000-grain Weight (W1000), Yield Potential (YP), and Northern Leaf Blight (NLB). Results showed that most of the hybrids demonstrated Resistance (R) to Moderate Resistance (MR), with genotypes G4-13, G15-16, G18, and G21 exhibiting high levels of resistance and stability. NLB severity showed significant correlations with all parameters except harvest moisture. Principal component analysis identified three components with eigenvalues greater than one, collectively explaining 86.53% of the total variance. The first two components alone accounted for 74.19% of the variance, highlighting their dominant role in discriminating among genotypes. Cluster analysis produced four clusters, such as cluster 1: G7, G12, G3, G14, and G17; Cluster 2: G10, G19, G2, G20; Cluster 3: G21, G6, G22; and the last, Cluster 4: G15, G8, G16, G9, G13, G18, G4, and G5. The findings indicate that G6 is suitable candidates for advancement to preliminary yield trials, combining superior yield potential with notable resistance to NLB. These outcomes provide practical guidance for breeding programs seeking to produce resilient and productive maize hybrids across variable agroclimatic settings.
Co-Authors Al-Hamda, Habiburrahman Malik Aprizal Zainal Aries Kusumawati Aswaldi Anwar Atikah Julia Nefa Auzar Syarif Benni Satria Benny Warman BUDI SETYAWAN Ekasari Putri, Nurwanita Gustian Gustian Hafnes Wahyuni Hasmiandy Hamid Hayati, PK Dewi I MADE JANA MEJAYA I Made Jaya Mejana Illahi, Ayu Kurnia Indra Dwipa Irfan Suliansyah KHAIRANI, MIFTAHUL Marshanda, Marshanda Mejaya, I Made Jana Musliar Kasim Nalwida Rozen Nefa, Atikah Julia Nur Oktafiani Azhar Oktafia Melati Panca Jarot Santoso Putra, Jerry Aldani Sanna Paija Hasibuan Sayuti, Kesuma SILVIA PERMATA SARI, SILVIA PERMATA Sobrizal Sobrizal Sutoyo Sutoyo Sutoyo Sutoyo Sutoyo Sutoyo TAUFIQ HIDAYATULLAH Taufiq Hidayatullah Taufiq Hidayatullah Taufiq Hidayatullah Teguh Budi Prasetyo Tori, Nandita Samaralya Veithzal Rivai Zainal Yusniwati Yusniwati Yusniwati