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Biology Study Program, Faculty Of Mathematics And Natural Science, Universitas Tanjungpura, Jl. Prof. Dr. H. Hadari Nawawi, Pontianak, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Environmental Science Immunology & microbiology Mathematics Medicine & Pharmacology Physics

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POTENSI EKSTRAK METANOL RHIZOM ALANG-ALANG (Imperata cylindrica L.) SEBAGAI BIOHERBISIDA PENGHAMBAT PERTUMBUHAN GULMA SEMBUNG RAMBAT (Mikania micrantha H.B.K) Egidia Egidia; Mukarlina Mukarlina; Riza Linda
ZIRAA'AH MAJALAH ILMIAH PERTANIAN Vol 49, No 2 (2024)
Publisher : Pusat Publikasi Jurnal Universitas Islam Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/zmip.v49i2.14260

Abstract

Imperata cylindrica is a narrow-leaved weed that contains phenol compounds in the form of flavonoids and tannins that can inhibit the growth of other plants, so it has the potential as a bioherbicide. The purpose of this study was to determine the effect of methanol extract of rhizom I. cylindrica on the germination and growth of Mikania micrantha weed and to determine the concentration of methanol extract of rhizom I. cylindrica that well inhibits the germination and growth of  M. micrantha weed. This research started from March to December 2023 and was carried out at the Forest Products Chemistry Laboratory Faculty of Forestry, Laboratory and Cassa House Department of Biology, Faculty of Mathematics and Natural Sciences, Tanjungpura University, Pontianak. The method used in this research is Completely Randomized Design (CRD) with 5 concentration treatments of 0 g/ml (control); 0.1 g/ml; 0.2 g/ml; 0.3 g/ml and 0.4 g/ml, each treatment consists of 5 replicates. The results showed that methanol extract of rhizom I. cylindrica gave a significant effect on the germination and growth of M. micrantha weed. The methanol extract of rhizom I. cylindrica that best inhibits the germination of M. micrantha weed is a concentration of 0.2 g/ml and best inhibits the growth of M. micrantha weed is a concentration of 0.4 g/ml. Methanol extract of rhizom I. cylindrica has the potential as a bioherbicide to inhibit the growth of M. micrantha weed.
POTENSI EKSTRAK DAUN LEMIDI (Stenochlaena palustris (Burm. f) Bedd.) DALAM MENGHAMBAT PERTUMBUHAN GULMA RUMPUT GRINTINGAN (Cynodon dactylon (L.) Pers.) Anggun Melani; Mukarlina Mukarlina; Zulfa Zakiah
ZIRAA'AH MAJALAH ILMIAH PERTANIAN Vol 49, No 1 (2024)
Publisher : Pusat Publikasi Jurnal Universitas Islam Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/zmip.v49i1.13133

Abstract

Lemidi (Stenochlaena palustris) adalah gulma paku-pakuan yang mengandung senyawa alelokimia golongan alkaloid, tanin dan fenolik yang dapat menghambat pertumbuhan tanaman lain, sehingga berpotensi dimanfaatkan sebagai pengendali gulma. Tujuan penelitian ini adalah untuk mengetahui pengaruh ekstrak daun lemidi terhadap perkecambahan dan pertumbuhan rumput grintingan (Cynodon dactylon). Penelitian dilakukan pada bulan Oktober 2022 – Maret 2023 di Rumah Kasa Biologi dan Laboratorium Kimia Fakultas Matematika dan Ilmu pengetahuan Alam. Penelitian ini menggunakan Rancangan Acak Lengkap yang terdiri atas 5 perlakuan dengan 5 ulangan. Perlakuan terdiri dari ekstrak daun lemidi konsentrasi 0% sebagai kontrol, 7,5%, 10%, 12,5% dan 15%. Hasil penelitian menunjukkan ekstrak daun lemidi dapat menghambat perkecambahan dan pertumbuhan rumput grintingan. Konsentrasi 7,5% daun lemidi sudah menunjukkan penghambatan terhadap parameter pengamatan persentase perkecambahan, panjang kecambah, tinggi tanaman, jumlah daun, panjang akar, berat basah, dan berat kering rumput grintingan.
Potensi Antagonis Bakteri Pelarut Fosfat Asal Tanah Gambut terhadap Bakteri Xanthomonas sp. Penyebab Kanker Daun Tanaman Jeruk Siam Pontianak Shella Mida Juniarti; Siti Khotimah; Rahmawati Rahmawati; Mukarlina Mukarlina
Life Science Vol 13 No 1 (2024): May 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/lifesci.v13i1.74174

Abstract

The productivity of Siam citrus in West Kalimantan from year to year has begun to decline, one of the causes is a disease that attacks the plant. One of the diseases that often attack citrus plants is leaf cancer disease caused by the bacterium Xanthomonas sp. Phosphate solubilizing bacteria are one of the rhizosphere bacteria from peat soils that can act as biological control agents in plants. Therefore, this study aimed to determine phosphate solubilizing bacteria from peat soil as a control for leaf cancer of the Siam Pontianak citrus plant caused by Xanthomonas sp. This research was conducted from June 2022 to September 2022, at the Microbiology Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Tanjungpura University, Pontianak. This study used a completely randomized design (CRD) with each of the 5 treatment levels repeated 3 times to obtain 15 experimental units. Antagonist test in vitro using the dual culture method. The results showed that all phosphate solubilizing bacteria from peat soil Bacillus sp. (SGB1), Bacillus sp. (SGB 2), and Bacillus sp. (SGB 3) have antagonistic potential against Xanthomonas sp. (BP2).
Pertumbuhan Kultur Meristem Mahkota Nanas (Ananas comosus (L.) Merr) pada Media Murashige Skoog (Ms) dengan Penambahan Ekstrak Jagung (Zea Mays (L.) dan Naphthalene Acetic Acid (Naa) Desy Desy; Elvi Rusmiyanto; Mukarlina Mukarlina
Produksi Tanaman Vol. 11 No. 5 (2023): Mei
Publisher : Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.protan.2023.011.05.03

Abstract

Nanas (Ananas comosus (L.) Merr.) merupakan salah satu jenis buah-buahan holtikultura yang berpotensi untuk dibudidayakan dan memiliki nilai ekonomi baik di Kalimantan Barat. Perbanyakan tanaman nanas dapat dilakukan secara in vitro melalui kultur meristem mahkota nanas dengan menumbuhkan eksplan pada media Murashige Skoog dengan penambahan ekstrak biji jagung dan Naphthalene Acetic Acid (NAA). Tujuan penelitian adalah untuk mengetahui pengaruh ekstrak biji jagung dan NAA terhadap pertumbuhan kultur meristem mahkota nanas. Penelitian dilaksanakan bulan September 2019 hingga April 2020 di Laboratorium Kultur Jaringan Jurusan Biologi FMIPA Universitas Tanjungpura. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan dua faktor. Faktor pertama ekstrak biji jagung konsentrasi 0% (J1), 10% (J2), dan 15% (J3) ; faktor kedua NAA konsentrasi  0M (N1), 5x10-8 M (N2), dan 10-7 M (N3) . Masing-masing perlakuan diulang 3 kali sehingga diperoleh 27 unit percobaan. Hasil penelitian menunjukkan bahwa kombinasi NAA dan ekstrak biji jagung berpengaruh nyata terhadap waktu muncul tunas (hari), jumlah tunas (tunas), jumlah daun (helai) dan tinggi planlet (cm). Perlakuan 10-7 M NAA+15% ekstrak biji jagung (N1J2) menghasilkan pertumbuhan terbaik dengan waktu muncul tunas 8,6 hari dan jumlah tunas 7 buah tunas.
Kepadatan Bakteri Biofertilizer Cair Air Kelapa Menggunakan Bakteri Pelarut Fosfat (Bacillus spp.) Asal Tanah Gambut Kalimantan Barat: Density of Liquid Biofertilizer Coconut Water Bacteria Using Phosphate Solubilizing Bacteria (Bacillus spp.) from West Kalimantan Peat Soil Lala Sari; Rahmawati; Siti Khotimah; Mukarlina
Life Science Vol. 14 No. 1 (2025): May 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/unnesjlifesci.v14.i1.1673

Abstract

Biofertilizer is an environmentally friendly fertilizer, has a long release time so it can be absorbed by plants long enough, and has enzymatic activities such as binding nitrogen and dissolving phosphate. Phosphate solubilizing bacteria (BPF) can dissolve phosphate that was previously unavailable to become available. This research aims to further examine the potential of BPF isolates from Kalimantan as a liquid biofertilizer agent using coconut water as a medium. The research was conducted for 3 months, from June to August 2023 at the Microbiology Laboratory, Biology Department, Faculty of Mathematics and Natural Science Tanjungpura University, Pontianak. This research used a Completely Randomized Design (CRD) with 8 treatments and 3 replications using the Total Plate Count method. The results of the study showed that the highest treatment is a treatment of A4 on day 6 with an average density of 9,4x108 CFU/mL. The BPF which has the highest potential as a biofertilizer is found in treatment A4, the combination bacterial isolates of Bacillus sp1 and Bacillus sp2, supported by the high population treatment of A4 during each storage. Liquid biofertilizers have many advantages compared to solid biofertilizers, including having a higher number of microbial cells, longer shelf life, greater protection against the environment and better effectiveness in the field. This study can provide information on the density of liquid biofertilizer bacteria using environmentally friendly coconut water media for the community by using phosphate-solubilizing bacteria (Bacillus spp.) from West Kalimantan peat soil.
Potensi Bakteri Pelarut Fosfat dan Bakteri Penghasil IAA Asal Tanah Gambut terhadap Perkecambahan  Tanaman Jagung (Zea mays L.) Via Anggita; Siti Khotimah; Rahmawati; Mukarlina
Life Science Vol. 13 No. 2 (2024): November 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/unnesjlifesci.v13.i2.1729

Abstract

Phosphate solubilizing bacteria and IAA-producing bacteria are bacteria that can help plant growth through their use by increasing the availability of phosphate (P) in the soil and helping plants absorb nutrients in the soil. This study aims to determine the effect of phosphate solubilizing bacteria and IAA-producing bacteria isolated from peat soil on the germination of corn (Zea mays L.) plants grown on peat soil.  This research was conducted from June to September 2023 with a completely randomized design (CRD). Testing the effect of phosphate-solubilizing and IAA-producing bacteria was carried out using the method of soaking seeds and watering bacterial suspensions on plants.  The results showed that A5 treatment had a significant effect on the number of leaves parameter, with A5 treatment (Bacillus cereus PF12, P13 and PF16 + Pseudomonas stutzeriIAA1) producing a germination percentage (100%), the number of leaves (5.09 strands) while the parameters of plant height and root length showed that all treatments were not significantly different.    
Co-Authors Abraham Sambo Amalia Rahman Andhini Aprilia Anggun Melani Desika Saputri Desy Desy Diah Wulandari Rousdy Dwi Gusmalawati Egidia Egidia Elvi Rusmiyanto Pancaning Wardoyo, Suci Lestari, Mukarlina, Fatma Agus Setyanngsih Florianus Flori Hanafi Afriza Hani Hani Lala Sari Muhammad Rezky Abrar Nunung Nurlaila Rahmawati Rahmawati Rahmawati Ribka Sinta Uli Panjaitan Rina Karmila Riza Linda Ruth Isabella Elisabeth Sari Mutiara Sianturi Safitri Lusiana Sari Wiyanna Sartika Debora Br Ginting Shella Mida Juniarti Siska Siska Siti Hodijah Siti Khotimah Siti Khotimah Via Anggita Wahdina - Wahdina -, Wahdina Zulfa Zakiah