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All Journal Jurnal Agroekoteknologi Jurnal Biologi Tropis Jurnal Pertanian Agros AGRIPEAT JURNAL BUDIDAYA PERTANIAN AGROTEK: Jurnal Ilmiah Ilmu Pertanian Agrica: Journal of Sustainable Dryland Agriculture Agroteksos Mediagro Jurnal Pengabdian Dinamika
Imas Rohmawati, Imas
Universitas Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Environmental Science Immunology & microbiology Social Sciences

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Journal : Jurnal Biologi Tropis

 1 
RESPON STEK PUCUK TANAMAN MIANA (COLEUS ATROPURPUREUS (L.) BENTH) TERHADAP PEMBERIAN ZAT PENGATUR TUMBUH Eltis Panca Ningsih; Imas Rohmawati
Jurnal Biologi Tropis Vol. 19 No. 2 (2019): Juli - Desember
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v19i2.1246

Abstract

Abstrak : Tanaman miana saat ini dimanfaatkan sebagai tanaman hias. Perbanyakan Tanaman miana dapat dilakukan dengan cara generatif maupun vegetatif. Stek pucuk merupakan cara perbanyakan vegetatif tanaman miana yang relatif mudah dilakukan. Pembibitan dengan cara ini merupakan salah satu cara cepat dalam memenuhi kebutuhan bahan tanaman skala besar. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian Zat Pengatur Tumbuh terhadap stek pucuk tanaman miana (Coleus atropurpureus (L.) Benth. Penelitian dilaksanakan di di laboratorium agroekologi, Fakultas Pertanian, Universitas Sultan Ageng Tirtyasa. Penelitian akan dilaksanakan pada bulan pada bulan Maret sampai Mei 2017. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) yang yang terdiri dari empat perlakuan dan diulang tiga kali. Perlakuan yang diuji dalam percobaan ini adalah: kontrol (Tanpa ZPT), IAA 750 ppm, Growtone 500 ppm, dan air kelapa 10%. Hasil penelitian menunjukkan bahwa pemberian zat pengatur tumbuh berpengaruh terhadap jumlah tunas dan jumlah akar. Jumlah tunas terbanyak terdapat pada perlakuan Growtone sebesar 7.50 tunas. Jumlah akar terbanyak terdapat pada perlakuan IAA sebesar 91.00 buah. Rekomendasi budidaya tanaman miana dengan cara stek dapat menggunakan IAA 750 ppm maupun Growtone 500 ppm.Kata Kunci : miana, stek, zat pengatur tumbuhAbstract : Miana plant is currently used as an ornamental plant. The multiplication of miana crops can be done in a generative and vegetative way. Cuttings is a vegetative way of reproduction of miana plant which is relatively easy to do. Breeding in this way is one of the quick ways in meeting the needs of large-scale plant materials. This research aims to determine the effect of giving Plant Growth Regulator to the shoots cuttings of Miana (Coleus atropurpureus (L.) Benth). Research conducted in the Agroecological laboratory, Faculty of Agriculture, University of Sultan Ageng Tirtyasa. The research will be held in the month of March to May 2017. The study conducted by randomized block design (RBD) which consists of four treatments and is repeated three times. The treatment tested in this experiment was: control (without plant growth regulator), IAA 750 ppm, Growtone 500 ppm, and 10% coconut water. The results showed that the treatment of plant growth regulator affected in the number of shoots and the number of roots. The most number of shoots is in the Growtone treatment of 7.50 shoots. The highest number of roots is in the IAA treatment of 91.00 pieces. Recommendations for cultivation of miana crops with cuttings can use IAA 750 ppm maupun Growtone 500 ppm.Keyword : Miana, cuttings, growing regulatory substances 
Application of Dry Probiotic Rabal to Increase Growth Performance of Catfish (Clarias sp.) Lukman Anugrah Agung; Imas Rohmawati
Jurnal Biologi Tropis Vol. 21 No. 3 (2021): September - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v21i3.2958

Abstract

Catfish have become an important contributor to fish production in Indonesia. Catfish consumption in Indonesia always increases every year. To meet the demand for catfish consumption, it was carried out with an intensive aquaculture system. However, the high cost of feed has been identified as a significant constraint in catfish farming. Efforts to increase catfish growth are needed to reduce feed costs, one of the efforts is by probiotic supplementation through the feed. This study was carried out to determine the best dose of probiotic rabal dried addition to increasing catfish growth. The experiment used four treatments and three replications. Probiotic rabal dried doses: 0% of feed (A)/feed (control), 5% of feed (B), 10% of feed (C), and (D) 15% of were used as treatment. The feed was given ad-satiation with a frequency of feeding three times a day. Observations were made for 45 days. The results indicated that the B treatment of 5% of feed gave the best absolute weight growth and feed conversion ratio. While catfish fish survival rate was not significantly different on all treatments.
Application of Dry Probiotic Rabal (Yeast and Lactic Acid Bacteria) to Prevent Mas (Motile Aeromonas Septicemia) Disease in Catfish (Clarias sp.) Lukman Anugrah Agung; Imas Rohmawati; Eltis Panca Ningsih
Jurnal Biologi Tropis Vol. 22 No. 1 (2022): January - March
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v22i1.3524

Abstract

Catfish is one of the important fish commodities in Indonesia. There is some problem that becomes trouble in catfish culture, and the most trouble which cause losses in catfish culture is a disease, especially motile aeromonads septicemia (MAS). The purpose of the study was to analyze the effectiveness of giving dry rabal probiotics for the prevention of motile Aeromonas septicemia (MAS) in catfish (Clarias sp.). This experiment consisted of four treatments, namely catfish farming with the addition of dry rabal probiotics with concentrations of 0%, 5%, 10% and 15%. Catfish (6.03±0.38 g) were reared in a rearing tank with a volume (41x50x57 cm) with a density of 15 fish/aquarium for 50 days. Probiotic bacteria were given daily through feed, while the pathogenic bacteria A. hydrophila was infected on day 51. The results showed that the treatment of giving dry rabal probiotics through feed was effective in improving the immune, and increasing the survival of African catfish. The 10% (C) rabal probiotic treatment gave the best results with the highest survival rate of 75.56 ± 3.85%.
Concentration Banana Peel Liquid and Dose Chicken Manure Fertilizer toward growth Lettuce (Lactuca sativa L.) Hastanah, Nurul; AM, Kartina; Fatmawaty, Andi Apriany; Rohmawati, Imas
Jurnal Biologi Tropis Vol. 24 No. 1 (2024): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i1.6464

Abstract

Lettuce is a vegetable plant originating from West Asia. Lettuce plants in Indonesia can be panted from the owlands to the highlands by considering selecting varieties. The high demind of Lettuce is not followed by an increase in production, low lettuce production is due to poor soil fertility and low levels of nutients in the soil due to excessive use of inorganic fertilizers and not paying attention to dosage. The use of organic fertilizer can increase soil fertility which is damaged by the use of inorganic fertilizer. The research was aimed to know effect of application the concentrstion of banana peel liquid based organic fertilizer and chicken manure fertilizer on the growth and yield of lettuce. The research was conducated in Sukajadi Barat Rt/Rw 001/005, Sukajadi Villager, Cibaliunh district, Pandeglang city, Banten. The method used Randomized Completely Block Design (RCBD) Concentration Banana peel liquid; 15%, 25%, and 35%. Dose chicken manure fertilizer; 71 g/polybag, 106 g/polybag, 141 g/polybag. The result research showed giving banana peel liquid influential real against all parameters except plant fresh weight. The giving chicken manure fertilizer influential real against all parameters except plant fresh weight. The conclusion of this research is the giving banana peel liquid at a concentration 25% gives the best results and chicken manure fertilizer at a dose 106 g/polybag gives the best results.
Effect of Long Soaking of Gibberellin and H2SO4 Concentration Level on Germination of Manila Sapodilla Seeds (Manilkara zapota (L.) Van Royen) Kristiani, Putri; Ritawati, Sri; Eiffelt, Julio; Rohmawati, Imas
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7802

Abstract

Manila Sapodilla (Manilkara zapota (L.) Van Royen). Generally known as a long-lived plant. Sapodilla plants are tropical plants which are quite widely distributed in Indonesia. All parts of the manila sapodilla plant can be used from the fruit, leaves and stems as traditional medicine and for making other preparations. However, one of the problems is that sapodilla seeds have a hard, waterproof skin layer, which causes sapodilla seeds to experience dormancy and have difficulty germinating. This research aims to determine the effect of gibberellin soaking time and H2SO4 concentration levels on the germination of manila sapodilla (Manilkara zapota (L.) Van Royen) seeds. This study used a completely randomized design with two factors, the first factor, namely the long soaking treatment for gibberellin (L), which consisted of 3 levels, namely soaking for 6 hours (L0), soaking for 12 hours (L1), and soaking for 18 hours (L0). L2). the second factor, namely the H2SO4 concentration (K), which consists of 4 levels, namely without H2SO4 (K0), 40% H2SO4 concentration (K1), 60% H2SO4 concentration (K2), 80% H2SO4 concentration (K3). Gibberellin soaking treatment with a soaking time of 6 hours gave the best effect on growth speed parameters (2.44%/day). Treatment with a H2SO4 concentration level of 80% gave the best effect, namely on the parameters of maximum growth potential (88.89%), germination power (86.67%), growth speed (2.88%/day), as well as on the parameters of seeds not growing as much as (13.33%). There was no interaction between the length of gibberellin soaking treatment and the level of H2SO4 concentration on all parameters observed.
Co-Authors Abdul Hasyim Sodiq, Abdul Hasyim Andi Apriany Fatmawaty, Andi Apriany Dewi Firnia Dewi, Resti Susilawati Eiffelt, Julio Eltis Panca Ningsih, Eltis Panca Endah Pamuji Ningsih Gafar, Afan Hastanah, Nurul Hastutil, Dewi Kartina AM, Kartina Kristiani, Putri KURNI, WASIH AL Lizansari, Kirana N Lukman Anugrah Agung Maseva, Salsabila Mohamad Ana Syabana Mulyaningsih, Asih Muztahidin, Nur Iman Nadiah Nisa, Jamilatun Nurmayulis Putra Utama Riani, Alifia Roidelindho, Kiki Rusmana Rusmana, Rusmana Siti Rohanah Sri Ritawati Suherna, Suherna Susiyanti, Susiyanti Widyaningsih, Sri Soemarsih Yayu Romdhonah Yenny, Ratna Fitry Yulianti Tampubolon, Melani Ratni