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PENGARUH MEDIA TANAM DAN MACAM BAHAN STEK TERHADAP PERTUMBUHAN Turnera subulata Ahmad Nasir Daulay; Hangger Gahara Mawandha; Ety Rosa Setyawati
Agros Journal of Agriculture Science Vol 25, No 2 (2023): edisi April
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v25i2.2834

The research was conducted at KP2 of the Institut Pertanian Stiper located in Maguwoharjo Village, Depok District, Sleman Regency, DIY. With an elevation of 118 mpl. The research was conducted from August 4, 2022, to November 1, 2022. The research was carried out using a factorial design that was arranged in a completely randomized design (CRD) and consisted of two factors. The first factor was the planting medium, which consisted of 4 levels: M0, regosol soil (control); M1, soil + cow manure (2:1); M2, soil + rice husk (2:1); and M3, soil + cow manure + rice husk (1:1:1). The second factor is the origin of the cutting material, which consists of 3 levels, namely the top of the segment (B1), the middle stem of the segment (B2), and the rootstock ofthe segment (B3), and each is 15 cm long. So that 4 x 3 = 12 combinations are obtained. Each treatment was repeated five times, resulting in the acquisition of 60 units. Experiment The research data were analyzed by analysis of variance (Anova) at the 5% level. If there is a significant effect, a DMRT follow-up test is carried out at the 5% level. The planting medium and cutting material interacted with plant height, number of shoots, number of leaves, fresh weight of roots, and dry weight of plants. Meanwhile, for fresh weight of plants, dry weight of roots, and leaf width, there was no interaction between the planting medium and the cutting material..INTISARIPenelitian dilaksanakan di KP2 Institut Pertanian Stiper yang terletak di Desa Maguwoharjo, Kecamatan Depok, Kabupaten Sleman, DIY. Dengan ketinggian tempat 118 mpl. Penelitian dilakukan pada tanggal 04 Agustus sampai tanggal 01 november 2022. Penelitian dilakukan dengan rancangan faktorial yang disusun dalam Rancangan Acak Lengkap (RAL) dan terdiri dari dua faktor. Faktor pertama adalah media tanam yang terdiri dari 4 aras pada media tanam berupa (M0) tanah regosol (kontrol), (M1) tanah + pupuk kandang sapi(2:1) (M2) tanah + sekam padi (2:1), (M3) tanah + pupuk kandang sapi + sekam padi (1:1:1). Faktor kedua adalah asal bahan stek yang terdiri dari 3 aras yaitu bagian pucuk ruas (B1), batang tengah ruas (B2), dan batang bawah ruas (B3), dan masing masing panjang nya 15 cm, Sehingga diperoleh 4 x 3 = 12 kombinasi. Masing masing perlakuan diulang 5 kali dan didapat 60 satuan. Percobaan Data hasil penelitian dianalisis dengan analisis of variance (Anova) pada jenjang 5%. bila ada pengaruh nyata dilakukan uji lanjut DMRT pada jenjang 5%. Media tanam dan bahan stek terjadi interaksi terhadap tinggi tanaman, jumlah tunas, jumlah daun, berat segar akar, berat kering tanaman, Sedangkan di berat segar tanaman, berat kering akar, lebar daun tidak terjadi interaksi antara media tanam dan bahan stek.

UJI EKSTRAK BAGIAN UMBI BAWANG MERAH TERHADAP JAMUR Magnaporthe grisea Hangger Gahara Mawandha
AGROISTA : Jurnal Agroteknologi Vol. 1 No. 1 (2017): MEI
Publisher : Program Studi Agroteknologi INSTIPER

Shallot is widely consumed components of the diet of many populations, particularly in Asian diets. It is widely believed to be beneficial to health and even curative potential against a range of debilitating conditions and diseases. Allelochemical analysis of shallot extracts has confirmed the presence of some compound that inhibit of fungi activities. In the present study to know a part of shallot that suppress of Magnaporthe grisea activities and for knowing effective concentration that suppress of Magnaporthe grisea activities. Allelochemical compounds isolated from three parts of the tuber, skin, and discs of shallot. Separation of antifungal compounds with the addition of hexane, MeOH 70%, and butanol. Purification of compounds on any part of the shallot is done by evaporation method. Once evaporated, then add 80% ethanol and wind dried. Compounds derived from tuber, skin, and discs of shallot tested against Magnaporthe grisea. The extract concentration a part of shallot tested was 100 µg/ml, 200 µg/ml, and 500 µg/ml and aquades for controller. The result showed that discs of shallot with concentration of 500 µg/ml could suppress of Magnaporthe grisea activities, which reached 42%. The procentage was the highest suppress of Magnaporthe grisea activities than another part of shallot and another concentration, but the procentage still less than 50%. However, using all parts of the shallot with a concentration of 500 µg/ml would be more effective in suppressing the activity of Magnaporthe grisea.

DETEKSI BAKTERI RHIZOSFER KELAPA SAWIT DI TANAH MINERAL MENGGUNAKAN METODE PCR-RISA Achmad Himawan; Hangger Gahara Mawandha
AGROISTA : Jurnal Agroteknologi Vol. 2 No. 1 (2018): MEI
Publisher : Program Studi Agroteknologi INSTIPER

Oil palm (Elaeis guineensis Jack.) plantation is the biggest plantation in Indonesia. Indonesia is the biggest Crude Palm Oil (CPO) in the world since 2017. To maintain oil palm productivity is needed soil fertility research, especially rhizosphere bacteria. The aim of this research is to detect rhizosphere bacteria in mineral soil at oil palm plantation in Riau. Detection the bacteria used Polimerase Chain ReactionRibosomal Intergenic Spacer Analysis (PCR-RISA) method. The research result showed that there is one bacterium species in the mineral soil. Keywords: rhizosphere bacteria, oil palm, mineral soil, PCR-RISA

PENGARUH DOSIS HERBISIDA GLIFOSAT TERHADAP BEBERAPA JENIS GULMA UTAMA PERKEBUNAN KELAPA SAWIT Hangger Gahara Mawandha; A.T Soejono; Fiona Alfani
AGROISTA : Jurnal Agroteknologi Vol. 2 No. 1 (2018): MEI
Publisher : Program Studi Agroteknologi INSTIPER

This research aims to know the dosage of herbicide glyphosate is effective and efficient against the sensitivity of Imperata cylindrica, Chromolaena odorata, Cyperus rotundus. This research was carried out on the fields of education and research (KP2) Institute for agriculture Stiper Yogyakarta which is located in the Subdistrict of Depok, Maguwoharjo, Sleman Regency, Yogyakarta special region province. Implemented in December 2016 until January 2017. This study used a factorial experiment method which consisted of two factors, which are arranged in a randomized complete design (RAL), the first factor is a type of weed that consists of three types, namely, Imperata cylindrica, Chromolaena odorata, Cyperus rotundus. The second factor is the level of dose consisted of 3 levels namely controls, 5 l/ha, and 6 l/ha. The data were analyzed using a analysis of varience and to know the difference between the treatment performed testing using the DMRT (Duncan Multiple Range Test) on the real level of 5%. The results of the analysis of the three kinds of weed applied herbicide doses 5 l/ha and 6 l/ha glyphosate treatment, dosage 6 l/ha is efficient in controlling Cyperus rotundus, while treatment of glyphosate doses of 6 l/ha control Imperata cylindrica and effective Chromolaena odorata. Cyperus rotundus is the weed with a high level of sensitivity towards the treatment of herbicide dose 5 l/ha and 6 l/ha. Keywords : Imperata cylindrica, Chromolaena odorata, Cyperus rotundus, dose levels of the herbicide glyphosate

PERTUMBUHAN DAN PRODUKSI BUNCIS (Phaseolus vulgaris L.) DENGAN PEMBERIAN PUPUK TANDAN KOSONG KELAPA SAWIT DAN NPK Muhammad Yogi Saputra; Hangger Gahara Mawandha; Tantri Swandari
AGROISTA : Jurnal Agroteknologi Vol. 2 No. 2 (2018): NOVEMBER
Publisher : Program Studi Agroteknologi INSTIPER

The research aims to determine the effect of oil palm empty fruit bunches fertilizer and NPK and their interactions on growth and yield of beans (Phaseolus vulgaris L). The study was conducted in the garden of Education and Research Institute for Agriculture KP-2 STIPER Yogyakarta, located in the village Maguwoharjo, Depok, Sleman, Yogyakarta, Sleman regency is located at LU 734.520 - 747.050 and 1070 LS 15'03 "BB - 110028 '30" longitude at an altitude ± 112 masl. The study was conducted during ± 3 months ie from April to July 2018. This study used a factorial experiment consisting of two factors and arranged in a completely randomized design or CRD 2 factorial. The first factor is fertilizer, oil palm empty fruit bunches consisting of T0 (control), T1 (50g / polybag), T2 (75g / polybag), T3 (100g / polybag). The second factor is the NPK fertilizer consisting of N0 (Control), N1 (2.5G / polybag), N2 (5g / polybag), N3 (10g / polybag). Of the two factors obtained 4 x 4 = 16 combination of treatments, each combination is repeated 3 times, so that the total number of plants in the study 4 x 4 x 3 = 48 polybag plants. The result shows that fertilizer and oil palm empty fruit bunches NPK showed no real interaction on all the parameters are parameters plant height, number of leaves, number of branches, number of pods, pod weight and pod length. Treatment fertilizer oil palm empty fruit bunches (75g / polybag) showed good results on the parameters of the number of leaves, pods, pod weight and pod length. NPK fertilizer (2.5G / polybag) showed good results on the parameters plant height, number of leaves, pods, and pods weight, while in the pod length parameter showed good results on NPK fertilizer (5 g / polybag) based DMRT at the 5% significance level. Keywords: Growth, production, chickpeas, empty oil palm bunches fertilizer, NPK

ANALISA KERAGAMAN DAN DOMINANSI GULMA DI LAHAN MINERAL DAN LAHAN GAMBUT PADA PERKEBUNAN KELAPA SAWIT RAKYAT Hangger Gahara Mawandha; Titin Setyorini; Lukmantoro
AGROISTA : Jurnal Agroteknologi Vol. 3 No. 1 (2019): MEI
Publisher : Program Studi Agroteknologi INSTIPER

The research aims to determine the diversity and the dominance of the weeds in mineral land and peat then compare the weeds diversity between both. The research was conducted in Pelalawan District, Riau, from April to May 2018. The research was conducted by a descriptive method. The sample was taken using a square plot measuring 0,9 x 0,9 meter with 10 until 15 replications. The plot sample was taken on a path in mineral land and peatland. The result shows that the diversity of the weeds was higher in mineral land (12 species) than in peatland (6 species). None of the species in mineral land and peatland are dominant species. Broadleaf weeds and fern species are a dominant weed type of both lands. Perennial weeds species is a dominant weed type of both lands. The weeds community of mineral land and peatland shows the different compositions based on the similarity index (IS Sorensen) caused by the different environment condition. Keyword: weeds, diversity, dominance, mineral land, peat land, smallholder oil palm

APLIKASI SISTEM INFORMASI GEOGRAFIS TERHADAP MANAJEMEN TRANSPORTASI DARI TPH KE PKS Ibnu Azhar Putra; Betti Yuniasih; Hangger Gahara Mawandha
AGROISTA : Jurnal Agroteknologi Vol. 5 No. 2 (2021): NOVEMBER
Publisher : Program Studi Agroteknologi INSTIPER

This study aims to create a transportation management database, create a participatory map of the harvest path from the TPH to Mill and create a transportation management model in palm oil plantations. The study was conducted at PT. Langkat Nusantara Kepong (LNK) Tanjung Beringin Estate, Hinai District, Langkat Regency, North Sumatra. This research was conducted in May - June 2019. This research was conducted by direct measurement in the field and navigation analysis. Direct measurements in the field are done by calculating the distance from TPH to Mill, calculating the average speed of trucks when carrying FFB to Mill, calculating truck time from TPH to Mill. To measure the distance done using GPS Garmin then data from GPS is entered and analyzed with the ArcGIS program. Navigation analysis is carried out using Network Analysis in ArcGIS, where the work of Network Analysis will find the most effective and efficient way. Roads in Tanjung Beringin Gardens are distinguished by their functions as HW (Highway), MR (Main Road), CR (Collection Road) and BR (Boundrest Road). Map of the FFB transportation path from TPH to Mill via the CR line which then passes the MR, and passes the HW that corresponds to the truck lane. The results of research conducted by direct measurement in the field of FFB to Mill are already effective and efficient compared to navigation analysis. Keywords: Navigation Analysis, GIS, TPH, harvest transportation, palm oil

PENGARUH PENAMBAHAN SURFAKTAN PADA HERBISIDA GLIFOSAT UNTUK MENINGKATKAN EFEKTIVITAS DALAM PENGENDALIAN GULMA DI PERKEBUNAN KELAPA SAWIT Abdil Amirul Isnan Siregar; Abdul Mu’in; Hangger Gahara Mawandha
AGROISTA : Jurnal Agroteknologi Vol. 5 No. 1 (2021): MEI
Publisher : Program Studi Agroteknologi INSTIPER

Penelitian ini bertujuan untuk mengetahui interaksi antara konsentrasi herbisida glifosat dengan konsentrasi surfaktan dan pengaruhnya dalam mengendalikan gulma di perkebunan kelapa sawit. Penelitian ini dilaksanakan di PT. Agro Karya Prima Lestari, Perkebunan Kuayan yang terletak di Kabupaten Kotawaringin Timur, Provinsi Kalimantan Tengah. Penelitian ini dilakukan pada bulan September sampai November 2020. Penelitian ini merupakan percobaan faktorial yang terdiri dari 2 faktor, disusun dalam Rancangan Acak Kelompok (RAK) dengan setiap perlakuan diulang tiga kali, faktor pertama adalah konsentrasi herbisida glifosat, yang terdiri atas empat aras, yaitu 2,72 g/liter air (G1), 2,04 g/liter air (G2), 1,36 g/liter air (G3), dan 0,68 g/liter air (G4). Faktor kedua adalah konsentrasi surfaktan A-134, yang terdiri atas tiga aras, yaitu 0% (K1), 1% (K2), dan 2% (K3) dalam 1 liter air. Hasil penelitian menunjukkan bahwa terjadi interaksi nyata antara konsentrasi glifosat dengan konsentrasi surfaktan A-134, hanya pada pengamatan tingkat kerusakan gulma minggu kedua setelah aplikasi. Penambahan surfaktan A-134 pada herbisida glifosat dengan konsentrasi rendah menyebabkan kerusakan gulma secara nyata sama dengan konsentrasi yang lebih tinggi. Peningkatan penambahan surfaktan A-134 menyebabkan daya kerja herbisida glifosat pada berbagai konsentrasi semakin meningkat, sehingga menyebabkan kerusakan gulma yang semakin besar.

PENGARUH HARA KALSIUM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.) VARIETAS PERMATA Nanda Putri Pertiwi; Titin Setyorini; Hangger Gahara Mawandha
AGROISTA : Jurnal Agroteknologi Vol. 4 No. 2 (2020): NOVEMBER
Publisher : Program Studi Agroteknologi INSTIPER

Penelitian ini bertujuan untuk mengetahui pengaruh hara kalsium pada dolomite terhadap pertumbuhan dan hasil tanaman tomat (Lycopersicm esculentum Mill) varietas Permata. Penelitian telah dilakukan di Maguwoharjo, Yogyakarta pada bulan maret hingga juni 2020. Rancangan percobaan yang digunakan dalam penelitian ini adalah rancangan acak lengkap (RAL) dengan satu perlakuan yaitu dosis pupuk dolomit yang terdiri dari dari tiga aras yaitu D1 (dolomit 33.75 g = 50%), D2 (dolomit 67.50 g = 100%), D3 (dolomit 101.25 g = 150%). Setiap perlakuan dosis pupuk dolomite diulang sebanyak 10 kali. Data hasil penelitian di analisis dengan sidik ragam pada jenjang nyata 5%. Data yang berbeda nyata diuji lanjut dengan DMRT 5%. Hasil penelitian menunjukkan bahwa ada pengaruh dari perlakuan dosis pupuk dolomit pada tinggi tanaman, diameter batang, lebar daun, buah tomat dan bobot segar buah tomat. Perlakuan terbaik adalah dosis dolomit 101.25 g. Kata kunci: dolomite, kalsium (Ca), tomat varietas permata.

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