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PENGARUH PEMBERIAN PUPUK NPK DAN HORMON GIBERELIN TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN SEMANGKA (Citrullus vulgaris Schard.) Meiliana Friska Friska; Rizky Amnah; Siti Hardianti Wahyuni
J-PEN Borneo : Jurnal Ilmu Pertanian Vol 5, No 1 (2022)
Publisher : FAKULTAS PERTANIAN UNIVERSITAS BORNEO TARAKAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/jpen.v5i1.2283

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ABSTRACTWatermelon (Citrullus vulgaris Schard.) is a fruit plant that grows vines. One of the horticultural crops that have a relatively high selling value is watermelon, so it is widely cultivated by the community. One of the obstacles in watermelon cultivation is the decreasing level of soil fertility and the supply of organic matter in the soil (N, P and K). Nutrients N, P, and K are essential nutrients for plants and at the same time become limiting factors for plant growth. Gibberellins as a growth hormone in plants are very influential on genetic traits (genetic dwarfism), flowering, irradiation, parthenocarpy, mobilization of carbohydrates during germination and other physiological aspects. The method in this study was a factorial randomized block design with two factors and three replications. The first factor is the dose of NPK fertilizer: 20 g (N1), 30 g (N2) and 40 g (N3). The second factor is the concentration of gibberellins, namely: 0 ppm (G0), 100 ppm (G1), 200 ppm (G2), and 300 ppm (G3). The results showed that the NPK single treatment had a significant effect on the observed parameters of tendril length, fruit weight and fruit color. The single result of gibberellin hormone treatment did not show any significant difference to all observational parameters. The best treatment was found in N3 (40 g/plant) on the parameters of tendril length, fruit number and fruit weight, while the best treatment combination was N3G2 (40 g/plant and 200 ppm gibberellins) on fruit weight parameters.Key words: Gibberellin, NPK, Watermelon (Citrullus vulgaris Schard.)ABSTRAK Semangka (Citrullus vulgaris Schard.) merupakan tanaman buah yang tumbuh merambat. Salah satu tanaman hortikultura yang memiliki nilai jual relatif tinggi adalah tanaman semangka, sehingga dibudidayakan secara luas oleh masyarakat. Salah satu kendala dalam usaha budidaya semangka adalah menurunnya tingkat kesuburan tanah dan persediaan bahan organik yang ada dalam tanah.  Hara N, P, dan K merupakan hara esensial bagi tanaman dan sekaligus menjadi faktor pembatas bagi pertumbuhan tanaman. Giberelin sebagai hormon tumbuh pada tanaman sangat berpengaruh pada sifat genetik (genetic dwarfism), pembungaan, penyinaran, partenokarpi, mobilisasi karbohidrat selama perkecambahan (germination) dan aspek fisiologi lainnya. Metode dalam penelitian ini adalah Rancangan Acak Kelompok Faktorial dengan dua faktor dan tiga ulangan. Faktor pertama adalah dosis pupuk NPK, yaitu: 20 g (N1), 30 g (N2) dan 40 g (N3) per tanaman. Faktor kedua adalah konsentrasi hormon giberelin, yaitu: 0 ppm (G0), 100 ppm (G1), 200 ppm (G2), dan 300 ppm (G3). Hasil penelitian menunjukkan bahwa perlakuan tunggal NPK terdapat adanya pengaruh nyata terhadap parameter pengamatan panjang sulur, bobot buah dan warna buah. Hasil tunggal perlakuan hormon giberelin tidak menunjukkan adanya beda nyata terhadap seluruh paramater pengamatan. Perlakuan terbaik terdapat pada N3 (40 g/ tanaman)  pada parameter panjang sulur, jumlah buah dan bobot buah sedangkan kombinasi perlakuan terbaik terdapat pada perlakuan N3G2 (40 g/ tanaman dan 200 ppm giberelin) pada parameter bobot buahKata kunci: Hormon Giberelin, Pupuk NPK, Semangka (Citrullus vulgaris Schard.).
POTENSI Trichoderma viride DALAM MENEKAN SERANGAN Sclerotium rolfsii PADA TANAMAN KEDELAI (Glycine max L.) Si H Wahyuni
Jurnal Agrotek Lestari Vol 4, No 1 (2018): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.065 KB) | DOI: 10.35308/jal.v4i1.634

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Potential  of Trichoderma viride to control Sclerotium rolfsii on soybean (Glycine max L.). This research aims to determine the  potential of T. viride against S. rolfsii attack on soybean crop (Glycine max L.). The research was conducted in the field of Faculty of Agriculture, Graha Nusantara University Padangsidimpuan, from May to August 2017. The results showed the highest percentage disease of incidence of S. rolfsii at the highest observation of 2, 3, 4 MST (Week After Planting), from W2D0 (when planting / 75 gram /polybag) 46.77%, 61.35% and 73.29%. and the lowest was W1D4 (7 days before planting/300 gram / polybag) 1.8%, 2.3% and 3.41%. Keywords : Potential, Trichoderma viride, Sclerotium rolfsii, Soybean
Identifikasi Jamur Endofit Asal Tanaman Tebu (Saccharum officinarum L.) Dalam Menghambat Xanthomonas albilineans L. Penyebab Penyakit Vaskular Bakteri Siti Hardianti Wahyuni
Jurnal Agrotek Lestari Vol 3, No 2 (2017): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (306.056 KB) | DOI: 10.35308/jal.v3i2.605

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Identification of endophytic fungi from sugarcane as biocontrol agents  to control bacterial vascular (Xanthomonas albilineans) on sugarcane. This research aims to identification endophytic fungi to against X. albilineans on sugarcane. The research was conducted at Plant Disease Laboratory, Agroecotechnology Program Study, Faculty of Agriculture, University of Sumatera Utara, Medan from May to August 2013. The results showed all the endophytic fungi used (Penicillium sp.,Curvularia sp., Aspergillus sp., Fusarium sp., Cephalosporium sp.,) potential as biological agents to control bacterial vascular wilt on sugarcane. The domination endophytic fungi from sugarcane identificated Penicillium sp. and Aspergillus sp. Keywords: Sugarcane, Xanthomonas albilineans, endophytic fungi, identification
IDENTIFIKASI DAN ANTAGONISME JAMUR ENDOFIT TANAMAN TEBU (Saccharum officinarum L.) DALAM MENGHAMBAT Xanthomonas albilineans L. PENYEBAB PENYAKIT VASKULAR BAKTERI Siti Hardianti Wahyuni; Hasanuddin; Edison Purba
Jurnal Pertanian Tropik Vol. 3 No. 1 (2016): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (474.425 KB) | DOI: 10.32734/jpt.v3i1.2954

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Identification and antagonism test endophytic fungi of sugarcane (Saccharum officinarum L.) to control bacterial vascular (Xanthomonas albilineans). This research aims to find potential endophytic fungi to against X. albilineans on sugarcane with use method autoclaving and membrane filtration sterilization. The research was conducted at Plant Disease Laboratory, Agroecotechnology Program Study, Faculty of Agriculture, University of Sumatera Utara, Medan from April to December 2014. It was done by using Completely Randomized Design (CRD) Factorial with three factor and three replications. The first factor were endophytic fungi 1, endophytic fungi 2. The second factor were dilution 10-1, 10-2, 10-3 dan 10-4. The three factor sterilization method were autoclaving and membrane filtration. The results showed all the endophytic fungi Aspergillus sp. better use membrane filtration sterilization and Hormiscium sp. better use autoclaving sterilization. Both fungi are potentially as biological agents to control bacterial vascular wilt on sugarcane. The best results obtained on Hormiscium sp.with diameter of inhibiting zone 9,04 mm with use autoclaving sterilization
Testing the nutrient value of chicken manure in the decomposition of Trichoderma viride Siti Hardianti Wahyuni; Dini Puspita Yanti Nst
Jurnal Pertanian Tropik Vol. 5 No. 3 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (386.573 KB) | DOI: 10.32734/jpt.v5i3.3118

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Testing the macro nutrient value of chicken manure decomposed by Trichoderma viride. This study aims to determine the value of macro nutrients in chicken manure decomposed by Trichoderma viride. This research was carried out on the field of the Faculty of Agriculture, Graha Nusantara Padangsidimpuan University, from February to August 2018. The results showed that compost with the addition of decomposer Trichoderma viride which was good was 4 weeks (A4), namely organic B = 45.70%, organic C = 91.03, C / N ratio = 11, 13%, total N = 3.51%, total P = 3.41%, total K = 1.58%
Pengaruh Kombinasi Berbagai Jenis Pupuk Organik yang Didekomposisi dengan Trichoderma Viride Terhadap Intensitas Kerusakan Bonggol Tanaman Pisang Siti Hardianti Wahyuni; Dini Puspita Yanti Nst
Jurnal Pertanian Tropik Vol. 6 No. 3 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (390.276 KB) | DOI: 10.32734/jpt.v6i3.3197

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Pengaruh kombinasi berbagai pupuk organic yang didekomposisi dengan Trichoderma viride terhadap intensitas kerusakan bonggol tanaman pisang. Penelitian ini bertujuan untuk mengetahui kombinasi jenis bahan organik dalam menekan intensitas kerusakan bonggol tanaman pisang terhadap Fusarium oxysporum Schl. f. sp. cubense (Foc). Penelitian ini dilaksanakan di lahan Fakultas Pertanian, Universitas Graha Nusantara Padangsidimpuan, mulai Februari sampai bulan Agustus 2019. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) yang terdiri atas 5 perlakuan dan 4 ulangan. Perlakuan adalah kombinasi berbagai bahan organik sebagai berikut : (a) Kotoran ayam dan jerami didekomposisi oleh T. viride, (b) Kotoran sapi dan jerami didekomposisi oleh T. viride, (c) Kotoran ayam dan kotoran sapi didekomposisi oleh T. viride, (d) Kotoran sapi, kotoran ayam dan jerami didekomposisi oleh T. viride, (e) Kontrol. Hasil penelitian menunjukkan intensitas kerusakan bonggol terendah yaitu pada perlakuan SAJ (menggunakan bahan organic kotoran sapi, kotoran ayam dan jerami) sebesar 0,42 %.
Effect of immersion duration of trichoderma harzianum on local chili growth Dini Puspita Yanty; Siti Hardianti Wahyuni
Jurnal Pertanian Tropik Vol. 6 No. 3 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (362.595 KB) | DOI: 10.32734/jpt.v6i3.3215

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Effect of immersion duration of trichoderma harzianum on local chili growth the aim of this researchis to see the old soaking ability of Trichoderma harzianum mushroom on the growth of local chili.The design used was a Completely Randomized Design (CRD) consisting of 6 treatments and 4replications, namely local chili seeds soaked with a 5-minute T.harzianum suspension, local chiliseeds soaked with a 10-minute T.harzianum suspension, local chili seeds that were soaked marinatedwith T.harzianum suspension for 15 minutes, local chili seeds soaked with T.harzianum suspensionfor 20 minutes, local chili seeds soaked with T.harzianum suspension for 25 minutes, Control (withoutimmersion with trichoderma harzianum suspension. Observed parameters are the percentage of local chiligrowth, plant height and number of leaves The results showed that the application of trichoderma harzianumhad a good effect on the growth of chili plants, soaking for 25 minutes was the best soaking on localchili seeds.
Trap Engineering Against The Effectiveness of Caught Imago Rhinoceros Beetle on Palm Oil Plants Darmadi Erwin Harahap; Siti Hardianti Wahyuni; Muhammad Darwis; Mukhlis; Amir Mahmud
Jurnal Penelitian Pendidikan IPA Vol 9 No 3 (2023): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i3.3014

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This study aims to find out the engineering of traps against the effectiveness of caught by rhinoceros beetles on palm oil plants. This research was carried out on farmers who were planted in Sidadi Village, Batang Angkola Subdistrict, South Tapanuli Regency. From October to December 2020. The method used in this study is a survey with a sampling technique that is purposive sampling. Traps are installed at as many as 2 points on an area of 720 m2 with a population of 110 palm oil stalks. Traps were placed at the location of many O. rhinoceros attacks. Ember has a trap size of 20 liters, and at the base of the bucket made 4 holes diameter of 2 mm for water disposal. The zinc plate is cleaved in 2 parts of the faucet 30 x 25 cm arranged in pairs in a 4-room-shaped space placed on top of the bucket and tied with a fastening wire. Pheromones are removed from the packaging and hung on zinc traps given gaps on 4 sides. Trap II, Plastic bucket as a trap. The plastic bucket size of 20 liters, the lid of the bucket is perforated with as many as 5 holes (diameter 55 mm) placed upside down, based on the plastic bucket made 4 holes (diameter 2 mm) for water disposal; Pheromones (Ethyl 4-mathyloctanoate) are removed from the packaging, wrapped around a small 10 cm long wire, and attached to the lid of a plastic bucket that is placed upside down. The results showed that the most effective trap installation is trap 1 which has a higher ability to control rhinoceros beetle pests (Oryctes rhinoceros) which are as many as 46 tails compared to 2 traps with as many as 41 tails on plants that have not produced palm oil
Aplikasi Pestisida Nabati Untuk Meningkatkan Efisiensi Biaya Produksi Pada Tanaman Kopi Di Desa Soragobung Kecamatan Sipirok Meiliana Friska; Siti Hardianti Wahyuni; Yulia Windi Tanjung; Jumaria Nasution; Surya Handayani
KALANDRA Jurnal Pengabdian Kepada Masyarakat Vol 1 No 1 (2022): Januari
Publisher : Yayasan Kajian Riset Dan Pengembangan Radisi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55266/jurnalkalandra.v1i1.104

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Pestisida sintesis mempunyai efek samping yang sangat berbahaya di masa yang akan datang, baik pada kesehatan manusia, tumbuhan dan juga hewan. selain meninggalkan residu berbahaya bagi kesehatan manusia maupun hewan, juga menyebabkan resistensi dan resurgensi hama. Penggunaan pestisida nabati sangat baik digunakan karena memiliki fungsi dalam menekan populasi Organisme Pengganggu Tanaman (OPT) sampai pada level yang tidak merugikan secara ekonomis, denga demikian produksi tetap berada pada level tinggi. Desa Sarogodung merupakan sentra produksi kopi, pada tanaman kopi terdapat banyak hama yang mengurangi produksi kopi dan mengurangi penghasilan petani setempat. Melalui kegiatan  pengabdian  masyarakat ini  dapat  bermanfaat dalam penggunaan pestisida nabati sebagai pengganti pestisida sintesis untuk meningkatkan efisiensi biaya produksi tanaman kopi bagi petani kopi
APLIKASI AGEN HAYATI PADA TANAMAN KOPI UNTUK MENINGKATKAN PENDAPATAN PETANI DENGAN SISTEM PERTANIAN BERKELANJUTAN DI DESA PARGARUTAN DOLOK TAPANULI SELATAN Friska, Meiliana; Wahyuni, Siti Hardianti; Nasution, Jumaria; Harahap, Parmanoan; Handayani, Surya; Siregar, Erin Alawiyah
ABDI WINA JURNAL PENGABDIAN KEPADA MASYARAKAT Vol. 2 No. 1 (2022): Abdi Wina Edisi Juni 2022
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Kristen Wira Wacana Sumba

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (458.458 KB) | DOI: 10.58300/abdiwina.v2i1.262

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Pargarutan Dolok merupakan suatu desa dengan mata pencaharian utamanya adalah bertani. Desa tersebut dominan Petani Kopi. Kegiatan pengabdian di Desa tersebut dengan tujuan memecahkan suatu masalah pada tanaman kopi milik petani. Kopi tersebut terlah terserang hama dan ketika digunakan senyawa kimia hama yang muncul sudah mengalami resistesi sehingga diperlukan senyawa alami. Penggunaan agen hayati yaitu Beauveria bassiana sangat baik digunakan karena memiliki fungsi dalam menekan populasi Organisme Pengganggu Tanaman (OPT) sampai pada level yang tidak merugikan secara ekonomis, denga demikian produksi tetap berada pada level tinggi. Melalui kegiatan pengabdian masyarakat ini dapat bermanfaat dalam penggunaan Beauveria bassiana sebagai agen hayati dalam usaha pertanian berkelanjutan.