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Keragaan Bibit Bud Chips Tebu (Saccharum officinarum L.) dengan Perlakuan Lama Perendaman dan Konsentrasi IAA Irda Nila Selvia; Meiriani Meiriani; Yaya Hasanah
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

The objectives of the research was to study performance of sugarcane bud chips with soaking timeand IAA concentration treatment. The research was carried out at PT. Perkebunan Nusantara IITanjung Jati, Langkat (± 40 m slr) on May – August 2014. The research used factorial RandomizedBlock Design (RBD) with two factors and three replications. The first factor was soaking time with3 levels (10; 20; and 30 minutes) and the second factor was IAA concentration with 4 levels (0;100; 200; and 300 ppm). Data were analized with Analysis of Variance and continued withDuncan’s Multiple Range Test (DMRT). The variables observed were plant height, number ofleaves, and total leaf area. The result of research showed that the best performance of sugarcane budchips was at 20 minutes of soaking time and 200 ppm of IAA concentration that was showed by theheighest plant height 10 week after transplanting (WAT), in great quantities number of leaves 10WAT and the widest total leaf area 10 WAT was 20 minutes of soaking time and 200 ppm of IAAconcentration.Key words: sugarcane, bud chips, soaking time, IAA concentration

Respons Pertumbuhan dan Serapan N Tanaman Kedelai (Glycine max L. Merrill) dengan Pemberian Bradyrhizobium sp. dan Kapur di Tanah Mineral Masam Irda Nila Selvia
KLOROFIL: Jurnal Ilmu Biologi dan Terapan Vol 6, No 1 (2022): KLOROFIL : JURNAL ILMU BIOLOGI DAN TERAPAN
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/kfl:jibt.v6i1.11749

People's purchasing power for animal protein has decreased and has shifted to processed soy foods as one of the foods containing vegetable protein during the Covid-19 pandemic due to the economic recession. Soybeans are a source of high vegetable protein so they require a lot of Nitrogen (N). To fulfill the demand for soybeans, soybean cultivation can be carried out in acidic mineral soils with a low pH. Acidic mineral soil with a low pH causes it difficult for N nutrients to be available and the bacteria Bradyrhizobium sp. difficult to symbiosis with soybean plants. The aim of this study was to increase the growth and N uptake of soybean plants on acid mineral soils by inoculating Bradyrhizobium sp. and lime. The research was conducted in Jati Kesuma Village, Namorambe, Deli Serdang on a plot size 200 x 200 cm using a factorial randomized block design (RAK) with 2 factors. The first factor was the inoculating of Bradyrhizobium sp inoculants consisting of without inoculant; BGR 3 inoculant; and LP 3 inoculant. The second factor was liming consisting of without liming and liming with a dose of 1.06 kg/plot (pH 4.9 to 5.5). The results showed that Bradyrhizobium sp. BGR 3 inoculant tended to increase soybean plant height on acid mineral soil, but LP 3 inoculant was able to increase shoot root ratio and tended to increase N uptake 62.86% on acid mineral soil. The addition of lime was able to increase the growth of soybean plants on acidic mineral soil and increased N uptake 4.08%. The combination of LP 3 inoculant and without liming was able to increase shoot root ratio of soybean 133,33% on acid mineral soils.

Respons Pertumbuhan dan Serapan N Tanaman Kedelai (Glycine max L. Merrill) dengan Pemberian Bradyrhizobium sp. dan Kapur di Tanah Mineral Masam Irda Nila Selvia
KLOROFIL: Jurnal Ilmu Biologi dan Terapan Vol 6, No 1 (2022): KLOROFIL: JURNAL ILMU BIOLOGI DAN TERAPAN
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/kfl:jibt.v6i1.11749

People's purchasing power for animal protein has decreased and has shifted to processed soy foods as one of the foods containing vegetable protein during the Covid-19 pandemic due to the economic recession. Soybeans are a source of high vegetable protein so they require a lot of Nitrogen (N). To fulfill the demand for soybeans, soybean cultivation can be carried out in acidic mineral soils with a low pH. Acidic mineral soil with a low pH causes it difficult for N nutrients to be available and the bacteria Bradyrhizobium sp. difficult to symbiosis with soybean plants. The aim of this study was to increase the growth and N uptake of soybean plants on acid mineral soils by inoculating Bradyrhizobium sp. and lime. The research was conducted in Jati Kesuma Village, Namorambe, Deli Serdang on a plot size 200 x 200 cm using a factorial randomized block design (RAK) with 2 factors. The first factor was the inoculating of Bradyrhizobium sp inoculants consisting of without inoculant; BGR 3 inoculant; and LP 3 inoculant. The second factor was liming consisting of without liming and liming with a dose of 1.06 kg/plot (pH 4.9 to 5.5). The results showed that Bradyrhizobium sp. BGR 3 inoculant tended to increase soybean plant height on acid mineral soil, but LP 3 inoculant was able to increase shoot root ratio and tended to increase N uptake 62.86% on acid mineral soil. The addition of lime was able to increase the growth of soybean plants on acidic mineral soil and increased N uptake 4.08%. The combination of LP 3 inoculant and without liming was able to increase shoot root ratio of soybean 133,33% on acid mineral soils.

Identifikasi Kandungan Pupuk Organik Cair dari Hidrogel Limbah Diapers Terhadap Penambahan Spirulina platensis Rasyidah Rasyidah; Irda Nila Selvia; Devi Siruwahni
BEST Journal (Biology Education, Sains and Technology) Vol 5, No 2 (2022): September 2022
Publisher : Program Studi Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/best.v5i2.6573

The increase of the number of babies birth will also increase the use of baby diapers. The increase of use diapers is not matched by the act of treating the diaper waste. Whereas diaper waste often becomes an environmental problem. Diaper waste has the potential to be used as organic liquid fertilizer because it contains nitrogen, electrolyte ions, and dissolved hormones from urine. But the decomposition process takes a very long time if the diapers are just left intact without being given certain treatment to separate the gel and plastic parts of the diaper. So it is necessary to carry out a recycling process involving microbes so that the decomposition process of organic matter from diaper waste can take place optimally. One of the microalgae that can be used is Spirulina platensis. Therefore, this study aims to determine the content of liquid organic fertilizer produced from composting diaper waste with the addition of Spirulina platensis. The study was conducted using an experimental method with 3 treatments, namely control (0 ml S. platensis+3 kg hydrogel), D2 (25 ml S. platensis+3 kg hydrogel), D3 (50 ml S. platensis+3 kg hydrogel). Parameters observed were macro nutrients (C-Organic, Total Nitrogen, Phosphorus), and C/N Ratio. Data analysis was carried out by looking at the C-organic, N, P, K and C/N ratio content in liquid organic fertilizer obtained from the addition of Spirulina platensis through laboratory tests at the initial and final stages of composting. From the results of the analysis it was found that the macro nutrient content in the form of elements N, P, K and the C/N ratio at the final stage of composting did not show a value that suitable with technical requirements for liquid organic fertilizer according to Minister of Agriculture No. 70 of 2011. So that in its application, use hydrogel diapers as an organic fertilizer, it can still be combined with other organic materials to meet the required nutrients.

Produksi Tanaman Kedelai (Glycine max L. Merrill) Terhadap Pemberian Bradyrhizobium sp dan Kapur di Tanah Mineral Masam Irda Nila Selvia
KLOROFIL: Jurnal Ilmu Biologi dan Terapan Vol 8, No 1 (2024): KLOROFIL: JURNAL ILMU BIOLOGI DAN TERAPAN (PROSES)
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/kfl:jibt.v8i1.28062

Most Indonesians rely on soybean as their primary source of vegetable protein. Soybean is an agricultural commodity that serves as a basic ingredient in foods such as tofu, tempeh, soy sauce, tauco, oncom, etc. Soybean, as a vegetable protein, is cheaper and more accessible to Indonesians than animal protein. Currently, soybean yield is unable to meet market demand. Therefore, efforts are needed to increase soybean yield by applying Bradyrhizobium sp. and lime to acidic mineral soils to optimize soybean yield on the land. The research used a factorial randomized block design (RBD) with two factors on a 2 × 2 m plot in Cengkeh Turi Village, Binjai. The first factor was the inoculation of Bradyrhizobium sp. inoculants, which included BGR 3, LP 3, and no inoculant. The second factor was liming, which included not supplying and supplying lime at a level of 1.06 kg/plot (pH 4.5 to 5.5). The results showed that the BGR 3 inoculant was able to increase the number of filled pods of soybean plants. The application of lime was able to increase the number of productive branches, the number of filled pods, the dry weight of seeds per plant and the dry weight of 100 soybean seeds. The application of lime was able to increase the dry weight of seeds per plant by 22.17% and increase the dry weight of 100 seeds by 6.72%.

Produksi Tanaman Kedelai (Glycine max L. Merrill) Terhadap Pemberian Bradyrhizobium sp dan Kapur di Tanah Mineral Masam Irda Nila Selvia
KLOROFIL: Jurnal Ilmu Biologi dan Terapan Vol 8, No 1 (2024): KLOROFIL: JURNAL ILMU BIOLOGI DAN TERAPAN (PROSES)
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/kfl:jibt.v8i1.28062

Most Indonesians rely on soybean as their primary source of vegetable protein. Soybean is an agricultural commodity that serves as a basic ingredient in foods such as tofu, tempeh, soy sauce, tauco, oncom, etc. Soybean, as a vegetable protein, is cheaper and more accessible to Indonesians than animal protein. Currently, soybean yield is unable to meet market demand. Therefore, efforts are needed to increase soybean yield by applying Bradyrhizobium sp. and lime to acidic mineral soils to optimize soybean yield on the land. The research used a factorial randomized block design (RBD) with two factors on a 2 × 2 m plot in Cengkeh Turi Village, Binjai. The first factor was the inoculation of Bradyrhizobium sp. inoculants, which included BGR 3, LP 3, and no inoculant. The second factor was liming, which included not supplying and supplying lime at a level of 1.06 kg/plot (pH 4.5 to 5.5). The results showed that the BGR 3 inoculant was able to increase the number of filled pods of soybean plants. The application of lime was able to increase the number of productive branches, the number of filled pods, the dry weight of seeds per plant and the dry weight of 100 soybean seeds. The application of lime was able to increase the dry weight of seeds per plant by 22.17% and increase the dry weight of 100 seeds by 6.72%.

INDUKSI TUNAS Musa paradisiaca L. MENGGUNAKAN KOMBINASI IBA DAN BAP SERTA AIR KELAPA Nadiatul Firdha; Sajaratud Dur; Irda Nila Selvia
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/qqtxmd98

Pisang kepok (Musa paradisiaca L.) menjadi komoditas unggulan Indonesia yang memiliki nilai ekonomi dan gizi tinggi. Namun, perbanyakan bibit secara konvensional seringkali lambat dan rentan terhadap penyakit. Penelitian ini bertujuan untuk mengetahui pengaruh kombinasi zat pengatur tumbuh (ZPT) IBA (Indole Butyric Acid) dan BAP (Benzylaminopurine) serta penambahan air kelapa terhadap induksi tunas pisang kepok secara in vitro. Metode penelitian menggunakan Rancangan Acak Lengkap (RAL) non-faktorial dengan empat perlakuan: A1 (MS + IBA 2 mg/L + BAP 3 mg/L), A2 (MS + IBA 3 mg/L + BAP 2 mg/L), B1 (MS + IBA 2 mg/L + BAP 3 mg/L + Air Kelapa 15%), dan B2 (MS + IBA 3 mg/L + BAP 2 mg/L + Air Kelapa 15%). Hasil penelitian menunjukkan bahwa perlakuan memberikan pengaruh nyata terhadap jumlah tunas, namun berpengaruh tidak nyata terhadap waktu muncul tunas, tinggi tunas, diameter tunas, jumlah daun, dan bobot basah eksplan. Perlakuan B1 merupakan media yang paling optimal untuk menginduksi jumlah tunas terbanyak (1,67 tunas), tinggi tunas tertinggi (3,32 cm), diameter tunas terbesar (1,42 cm), dan jumlah daun terbanyak (2,11 daun). Secara keseluruhan, kombinasi sitokinin yang lebih tinggi (BAP 3 mg/L) dibandingkan auksin (IBA 2 mg/L) didukung oleh penambahan air kelapa 15% memberikan hasil pertumbuhan lebih stabil dan optimal pada fase induksi tunas pisang kepok.

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