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All Journal AGRIKA Forum Agribisnis REKAYASA Fakultas Pertanian AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Jurnal Penelitian Pertanian Terapan Kultivasi Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) BUANA SAINS Jurnal Ilmiah Hijau Cendekia Darmabakti : Junal Pengabdian dan Pemberdayaan Masyarakat JAPI: Jurnal Akses Pengabdian Indonesia JAMAS: Jurnal Abdi Masyarakat

I Made Indra Agastya

Program Studi Agroteknologi, Fakultas Pertanian, Universitas Tribhuwana Tunggadewi

Author-ID : 2382688

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Nursing Physics Public Health Social Sciences Other

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PENGGUNAAN PUPUK HAYATI DAN BOKASI PADA PERTUMBUHAN DAN HASIL TANAMAN KEDELAI (Glycine max (L.) Merrill.) Tandu, Antonius; Agastya, I Made Indra; Widowati, Widowati
Fakultas Pertanian Vol 7, No 1 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

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This study aims to determine the dosage combination of bocation fertilizer and biological fertilizer on soybean growth and yield. The research was conducted at Jalan Srigading, No. 01, Gading Kulon Village, Dau District, Malang Regency, East Java Province. The research began in March to May 2018, with altitude of ± 635 m above sea level. This study uses factorial Randomized Block Design (RBD) consisting of 3 replications. The treatment factor in this study consisted of two (2) factors, namely: Factor I is the Bocation Dosage (B) consisting of 3 levels, namely: B0 = Fertilizer dose is located 0 t/ha, (Control), B1 = Dosage of fertilizer is bocated 5 t/ha and B2 = bocation fertilizer dose 10 t/ha. Factor II is Biofertilizer (H) which consists of 2 levels, namely : H0 = Dosage of biofertilizer 0 kg/ha (Control) and H1 = Dosage of biological fertilizer 50 kg/ha. Variable observations are as follows: Plant height (cm), number of leaves (strands), number of branches (branches), number of pods (pods), total plant wet weight (g), total plant dry weight (g), weight of pods (g/pods) ), Seed yield weight (g/plant) and estimated yield (t/ha). The data obtained from the research results were analyzed statistically using the F test, if the results of the variance were significantly different (F count > F table 5%) or very significantly different (F count > F table 1%), then to compare the two treatment averages were tested continued with the Smallest Significant Difference test (LSD) level of 5%. The results showed that there was no interaction on the administration of biofertilizer doses and bocation doses on the growth and production of Grobogan soybean varieties. The best soybean production at the bocation dose of 10 t/ha was 3.10 t/ha, while the best biofertilizer dosage at a dose of 5 kg/ha was 3.02 t/ha. Penelitian ini bertujuan untuk menentukan kombinasi dosis pupuk bokasi dan pupuk hayati terhadap pertumbuhan dan hasil kedelai. Penelitian dilaksanakan di Jalan Srigading, No. 01, Desa Gading Kulon, Kecamatan Dau, Kabupaten Malang, Provinsi Jawa Timur. Pelaksanaan penelitian dimulai pada bulan Maret sampai dengan Mei 2018, dengan ketinggian tempat ± 635 m dpl. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) faktorial yang terdiri atas 3 ulangan. Faktor Perlakuan dalam penelitian ini terdiri dari dua (2) faktor, yaitu : Faktor I adalah Dosis Bokasi (B) terdiri dari 3 taraf yaitu : B0 = Dosis pupuk bokasi 0 t/ha, (Kontrol), B1 = Dosis pupuk bokasi 5 t/ha dan B2 = Dosis pupuk bokasi 10 t/ha. Faktor II adalah Pupuk Hayati (H) yang terdiri dari 2 taraf yaitu : H0 = Dosis pupuk hayati 0 kg/ha (Kontrol) dan H1 = Dosis pupuk hayati 50 kg/ha. Variabel Pengamatan sebagai berikut Tinggi tanaman (cm), Jumlah daun (helai), Jumlah cabang (cabang), Jumlah polong (polong), Berat basah total tanaman (g), Berat kering total tanaman (g), Bobot polong (g/polong), Bobot hasil biji (g/tanaman) dan Estimasi hasil (t/ha). Data hasil penelitian yang diperoleh dianalisis secara statistik menggunakan uji F, apabila hasil ragam berbeda nyata (F hitung >F tabel 5%) atau berbeda sangat nyata (F hitung > F tabel 1%), maka untuk membandingkan dua rata-rata perlakuan dilakukan uji lanjutan dengan uji Beda Nyata Terkecil (BNT) taraf 5%. Hasil penelitian menunjukkan bahwa tidak terdapat interaksi pada pemberian dosis pupuk hayati dan dosis bokasi terhadap pertumbuhan dan produksi kedelai varietas Grobogan. Produksi kedelai terbaik pada dosis bokasi 10 t/ha sebesar 3,10 t/ha, sedangkan dosis pupuk hayati terbaik pada dosis 5 kg/ha sebesar 3,02 t/ha.

Eksplorasi dan identifikasi Jamur Patogen Serangga di Rhizosfer Lahan Kering Kabupaten Malang Agastya, I Made Indra; Ameliawati, Presti; Fikrinda, Wahyu
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

This research was conducted by exploring insect pathogen in rhososphere of dry field of sugar cane of Malang Regency. The purpose of this research is to study the diversity of isolate insect pathogen in rhososphere of sugar cane plant in dry land of Malang Regency. Exploration activities of insect pathogens are carried out by isolating insect pathogens in dry land of sugarcane plant rhizosphere. Rizosphere soil sampling method using composite sampling technique is by taking diagonal soil samples at five points as deep as 5-10 cm, as much as 200 g at each sample point and isolation of insect pathogen type fungus using baiting method. The soil samples from the field were placed evenly over the petri dish. The soil above the petri dish is moistened and then the larvae of T miltor are placed for incubation for 48 hours. After 48 hours of dead larvae there will be a sign of an insect pathogenic fungus in the form of white hyphae on the surface of the T milter body. The marked larvae were then cultured on PDA media to be purified and identified morphologically, by looking at the color of hyphae. Observation miscroscopically using Burnet and Hunter determinations. Exploration and identification results found four specimens of fungi with Aspergilus sp species, Trichoderma sp, Beuveria sp, and Metharizium sp

Perbaikan Keragaan Bibit Jeruk Pamelo Tanpa Biji dengan Strangulasi dan Aplikasi BAP Fikrinda, Wahyu ; Agastya, I Made Indra
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 1 (2018): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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The aim of the research was to study the influence of double strangulation and plant growth regulator BAP (Benzyl Amyno Purine) to increase vegetative growth and improve performance and physiological characteristic of Pummelo (Citrus maxima (Brum.) Merr.) seedling.  The research was conducted from March to Juli 2018 at green house, Tanaman Terpadu Laboratory, Unitri, Malang. Method used for the research was completely randomized design one factor consisted of six treatments: double strangulation with distance between the wire: 10 cm without BAP (J1B0), double strangulation with distance between the wire: 10 cm with BAP 100 ppm (J1B1, double strangulation with distance between the wire: 10 cm with BAP 200 ppm (J1B2), double strangulation with distance between the wire: 15 cm without BAP (J2B0), double strangulation with distance between the wire: 15 cm with BAP 100 ppm (J2B1), double strangulation with distance between the wire: 15 cm with BAP 100 ppm (J2B2). The experiment consisted of three replicates resulted in 18 experimental units. Every experimental unit used 2 plants; thus, total plant used for the experiment was 36 plants. Strangulation treatment was conducted on April 8 and wire removed on June 3, 2018. Research result showed double strangulation with distance between the wire 15 cm had better significant influence on vegetative growth than double strangulation with distance between the wire 10 cm. Double strangulation with distance between the wire 15 cm with BAP 100 ppm was the highest number of leaf (85,83 leaves),the numbers of scion diameter (1.85 cm), number of branch (7.83 branches), total length of branch (156.83 cm),and had significant response increase volume of canopies (307959 cm3).

PEMANFAATAN ARANG SEKAM SEBAGAI CAMPURAN MEDIA VERTIKULTUR VERTIKAL DAN PUPUK PETROGANIK PADA PERTUMBUHAN SELADA KRITING HIJAU (Lactuca sativa var. crispa) Ebu, Liberti; Astutik, Astutik; Agastya, I Made Indra
Fakultas Pertanian Vol 6, No 1 (2018)
Publisher : Universitas Tribhuwana Tunggadewi

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One of the benefits of charcoal chaff in agriculture as a soil enhancer. Charcoal aiming to know the effect of charcoal charcoal media mix and the dosage of petroganic fertilizer to growth and yield of green curly lettuce (Lactuca sativa var.crispa). The research was conducted in the yard of Tlogomas Street Kec. Lowokwaru, Malang City. The study lasted for 4 months starting from December 2016 until March 2017. The study used Factorial Randomized Block Design (RAK) consisting of 4 replications. The treatment factor in this research consisted of two (2) factors, namely: Factor I was charcoal husk (A) consisted of: A0 (0 kg), A1 (4 kg) and A2 (8 kg). Factor II is a dose of petroganic fertilizer (P) consisting of: P1 (1 g per plant) and P2 (2 g per plant). The variables observed were: plant height, leaf number, leaf area, total fresh weight of plant and total dry weight of plant. The parameters observed were analyzed using Analysis of variance (Anova), if there was real influence then continued with BNT test (Beda Real Smallest) 5% level. The results showed that there was interaction between rice husk charcoal and petroganic dose on the growth of leaf area (cm2) at the age of 1 week, while separately charcoal husk effect on plant height (cm), number of leaf (strands), leaf area (cm2), fresh weight and total dry weight of plant (g). The best green curling lettuce is obtained by giving 4 kg/paralon leaf area (9,50 cm2) husk total fresh weight of plant (39,34 g/plant). Salah satu manfaat dari arang sekam dalam pertanian sebagai bahan pembenah tanah. Penelitian bertujuan untuk mengetahui pengaruh campuran media arang sekam dan dosis pupuk petroganik terhadap pertumbuhan dan hasil tanaman selada keriting hijau (Lactuca sativa var.crispa). Penelitian dilaksanakan di pekarangan di Jalan Tlogomas Kec. Lowokwaru, Kota Malang. Penelitian bulan Desember 2016 sampai dengan Maret 2017. Penelitian menggunakan Rancangan Acak Kelompok (RAK) faktorial yang terdiri atas 4 ulangan. Faktor perlakuan dalam penelitian ini terdiri dari dua (2) faktor, yaitu : Faktor I adalaharang sekam (A) terdiri dari : A0 (0 kg/paralon), A1 (4 kg/paralon) dan A2(8 kg/paralon). Faktor II adalah dosis pupuk petroganik (P) yang terdiri dari : P1 (1 g/tanaman) dan P2(2/tanaman). Variabel yang diamati meliputi : tinggi tanaman, jumlah daun, luas daun, bobot segar total tanaman dan bobot kering total tanaman. Parameter yang diamati diuji menggunakan Analisis of varians (Anova), apabila terdapat pengaruh nyata maka dilanjutkan dengan uji BNT (Beda Nyata Terkecil) taraf 5%. Hasil penelitian diperoleh bahwa terdapat interaksi antara arang sekam dengan dosis petroganik terhadap pertumbuhan luas daun (cm2) pada umur 1 minggu, sedangkan secara terpisah arang sekam berpengaruh terhadap tinggi tanaman (cm) pada umur 2 sampai 5 minggu, jumlah daun (helai) umur 1, 4 dan 5 minggu, luas daun (cm2) umur 2, 3 dan 4 minggu, serta berat segar dan berat kering total tanaman (g), sedangkan dosis petroganik tidak berpengaruh terhadap pertumbuhan dan hasil tanaman selada kriting. Pertumbuhan dan hasil selada kriting hijau terbaik pada penambahan arang sekam 4 kg/paralon luas daun (9,50 cm2) pada umur 4 minggu, hasil berat total tanaman (39,34 g/tanaman).

PENGARUH LAMA PERENDAMAN BENIH TEMBAKAU (NICOTIANA TABACCUM, LINN) TERHADAP VIABILITAS PERKECAMBAHAN Syanzani, Syanzani; Tirtosastro, Samsuri; Agastya, I Made Indra
Fakultas Pertanian Vol 6, No 2 (2018)
Publisher : Universitas Tribhuwana Tunggadewi

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Problems encountered in the development of nature tobacco include the provision of quality seeds. The purpose of this study was to determine the effect of long-time immersion on potential viability (VP) of tobacco seeds and the effect of immersion duration on viability of sub optimum of tobacco seed. The experimental design used was Completely Randomized (RAL) with long immersion factors including 0 hours, 24 hours, 48 hours, 72 hours, and 120 hours. The results showed that the duration of immersion gave of significant influence on the power of sprouting, growing speed, uniformity of growth, length of stem and root length, seed not normal. Duration immersion of real effect on stem length, but did not give real effect to dry weight and wet weight. Permasalahan yang cukup rumit dihadapi pada pengembangan tembakau diantaranya adalah penyediaan benih bermutu yang cukup. Tujuan penelitian ini adalah untuk mengetahui pengaruh lama perendaman benih terhadap viabilitas potensial (VP) benih tembakau dan viabilitas sub optimum benih tembakau. Rancangan percobaan yang digunakan adalah Acak Lengkap (RAL) dengan faktor lama perendaman masing-masing 0 jam, 24 jam, 48 jam, 72 jam, dan 120 jam. Hasil penelitian menunjukkan bahwa lama perendaman memberikan pengaruh yang nyata pada daya berkecambah, kecepatan tumbuh, keseragaman tumbuh, panjang batang dan panjang akar. Lama perendaman pengaruh nyata terhadap panjang batang, namun tidak memberikan pengaruh nyata terhadap bobot kering dan bobot basah.

EVALUASI TANAMAN UBIJALAR PADA ALFISOL Wendo, Consianus; Indawan, Edyson; Agastya, I Made Indra
Fakultas Pertanian Vol 6, No 2 (2018)
Publisher : Universitas Tribhuwana Tunggadewi

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The decline in the fertility rate of intensive agricultural land and the deterioration of environmental quality has resulted in lower supply of food. The focus of agricultural development is partly directed to ensure sustainable food availability, both quantity and quality. Land use whose quality or designation is not in accordance with the suitability of the land will cause failure or damage to the land resources. Increased production of sweet potato continues to be cultivated, one of which is through evaluation of sweet potato plants on Alfisol soil. Alfisol is a type of soil that is quite potential for agriculture. The study aimed to determine the potential yield of sweet potato plants on Alfisol soil. The experiment was conducted using a Randomized Block Design with 3 replications, 13 sweet potato clones namely Kuning Putih, BIS OP-61-OP-22, 73-6/2, Beta 1, Beta 2, Kuning Merah, 73 OP-8, BIS OP- 61, 73 OP-5, Sari, Boko, Jago, BIS OP-61-?-29 and Sub Plots: Biochar (B0 = Without Biochar, B1 = 5 tons/ha). The variables observed included: the number of tubers/plots, fresh weight of tubers (kg/plot), fresh weighted stem (kg/plot),% dry weight of tubers,% dry weight of stover, tuber tuber, and BK stover. analysis using Randomized Block Design. The results of the study it can be concluded that: The best clones/varieties on tuber yield were BIS OP-61-?-29 varieties which showed the highest protein of 3.86% (without biochar), while the starch content was 75.07% in varieties 73 OP-8 (biochar 5 tons/ha). The best biochar dose is at a dose of 5 tons/ha on the number of tubers/plots as much as 39.36 tubers/ in Alfisol soil. Penurunan tingkat kesuburan lahan pertanian intensif dan memburuknya kualitas lingkungan telah mengakibatkan pasokan bahan pangan yang lebih sedikit. Fokus pengembangan pertanian sebagian diarahkan untuk memastikan ketersediaan pangan berkelanjutan, baik kuantitas maupun kualitas. Penggunaan lahan yang kualitas atau peruntukannya tidak sesuai dengan kesesuaian lahan akan menyebabkan kegagalan atau kerusakan pada sumber daya lahan. Peningkatan produksi ubi jalar terus dibudidayakan, salah satunya adalah melalui evaluasi tanaman ubi jalar di tanah Alfisol. Alfisol adalah jenis tanah yang cukup potensial untuk pertanian. Penelitian ini bertujuan untuk mengetahui potensi hasil tanaman ubi jalar pada tanah Alfisol. Percobaan dilakukan menggunakan Rancangan Acak Kelompok dengan 3 ulangan, 13 klon ubi jalar yaitu Kuning Putih, BIS OP-61-OP-22, 73-6 / 2, Beta 1, Beta 2, Kuning Merah, 73 OP-8, BIS OP- 61, 73 OP-5, Sari, Boko, Jago, BIS OP-61-?-29 dan Sub Plot: Biochar (B0 = Tanpa Biochar, B1 = 5 ton / ha). Variabel yang diamati meliputi: jumlah umbi / petak, bobot umbi segar (kg / petak), batang berbobot segar (kg / petak),% berat kering umbi,% berat kering brangkasan, umbi umbi, dan BK stover. analisis menggunakan Rancangan Acak Kelompok. 5%. Hasil penelitian dapat disimpulkan bahwa: Klon / varietas terbaik pada hasil umbi adalah BIS OP-61-?-29 varietas yang menunjukkan protein tertinggi 3,86% (tanpa biochar), sedangkan kandungan pati adalah 75,07%. % dalam varietas 73 OP-8 (biochar 5 ton / ha). Dosis biochar terbaik hasil umbi adalah dengan dosis 5 ton / ha pada jumlah umbi / petak sebanyak 39,36 umbi / di tanah Alfisol.

Efektifitas Pestisida Biologis Bacillus Cereus dan Bacillus Megaterium. sebagai Pengendali Spodoptera litura Fabr (Lepidoptera: Noctuidae) Agastya, I Made Indra; Afandhi, Aminudin; Aini, Luqman Qurata
Jurnal Penelitian Pertanian Terapan Vol 17, No 2 (2017)
Publisher : Politeknik Negeri Lampung.

This research was conducted in vitro in the laboratory. Studies conducted in the Laboratory of Bacteriology Department of Plant Pests and Diseases of the Faculty of Agriculture, University of Brawijaya, on the effectiveness of the bacteria Bacillus cereus and Bacillus megaterium as biological pesticides controlling Spodoptera litura. The objective of this study was to determine the effectiveness of the bacteria Bacillus sp as biological control. Effectiveness pesticide was measured by testing the incubation period and mortality in larvae of S. litura instar 3. This study used a completely randomized design (CRD), conducted observations every 6 hours until the larvae dead. The results showed that the percentage of mortality of S. litura reached 94.66% compared to the control, while the incubation time of the bacteria B. cereus cause disease until 29.84 hours. B. cereus and B. megaterium have the ability to incubate third instar larvae of S. litura up to 29.84 hours and caused the death of larvae up to 94.66%. Keywords: Biological pesticides, Bacillus cereus, Bacillus megaterium, entomopatogen, Spodoptera litura

PRODUKSI TANAMAN SAWI PERIODE TANAM KEDUA PASCA REMEDIASI DENGAN TANAMAN LULANGAN (ELEUSINE INDICA L.) DAN KARMILA (CARMI;A SP) Wendo, Wira Firdaus; Hamzah, Amir; Agastya, I Made Indra
Fakultas Pertanian Vol 5, No 1 (2017)
Publisher : Universitas Tribhuwana Tunggadewi

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Efforts to improve land with biochar as ameliorant materials can improve the physical, chemical and biological properties of the soil. Biochar in the long term can increase soil fertility, especially on degraded soil. Soil is degraded not only because of its low fertility but also contamination especially heavy metals. This study aims to determine the growth of mustard plants on soil after remediation of the second planting period. This research was conducted in Sumberbrantas Village, Bumiaji District, Batu City. The study used factorial Randomized Block Design (RBD) method consisting of 3 replications. Factor I is wild plant species (T) consisting of 2 types, namely: T1: Lulang (Eleusine indica L.) and T2: Karmila (Carmila sp). Factor II is post-remediation soil with biochar (B), consisting of 4 types, namely: B0 = No Biochar, B1 = Biochar Straw Rice, B2 = Biochar Jengkok Tobacco, and B3 = Biochar Rice Husk + Jengkok Tobacco. Variables observed included plant height (cm), number of leaves (strands), fresh weight of plants (g) and dry weight of plants (g). The data obtained from the research results were analyzed descriptively and continued with statistical analysis to compare the two treatment averages carried out further tests with the Smallest Significant Difference test (LSD) level of 5%. The results showed that the treatment of biochar jengkok tobacco + rice husk after remediation of planting lulang plants was able to increase the growth of mustard plants. This can be seen in the variable plant height 4 weeks after planting at 29.23 cm. The same thing can be seen in the number of leaves of 10.17 leaves. Parameters, wet weight and root weight were 118.73 g and 12.56 g / plant, respectively. Upaya perbaikan lahan dengan biochar sebagai bahan amelioran dapat memperbaiki sifat fisik, kimia, dan biologi tanah. Biochar dalam jangka panjang mampu meningkatkan kesuburan tanah, terutama pada tanah yang terdegradasi. Tanah terdegradasi tidak hanya karena kesuburannya rendah tetapi juga tercemar terutama logam berat. Penelitian ini bertujuan untuk mengetahui pertumbuhan tanaman sawi pada tanah pasca remediasi periode tanam kedua. Penelitian ini dilaksanakan di Desa Sumberbrantas, Kecamatan Bumiaji Kota Batu. Penelitian menggunakan metode Rancangan Acak Kelompok (RAK) faktorial yang terdiri atas 3 ulangan. Faktor I adalah Jenis tanaman liar (T) terdiri dari 2 jenis yaitu : T1 : Lulangan (Eleusine indica L.) dan T2 : Karmila (Carmila sp). Faktor II adalah Tanah pasca remediasi dengan biochar (B), terdiri dari 4 jenis yaitu : B0 = Tanpa Biochar, B1 = Biochar Jerami Padi, B2 = Biochar Jengkok Tembakau, dan B3 = Biochar Sekam Padi + Jengkok Tembakau. Variabel yang diamati meliputi tinggi tanaman (cm), jumlah daun (helai), bobot segar tanaman (g) dan bobot kering tanaman (g). Data hasil penelitian yang diperoleh dianalisis secara deskriptif dan dilanjutkan analisis statistik untuk membandingkan dua rata-rata perlakuan dilakukan uji lanjutan dengan uji Beda Nyata Terkecil (BNT) taraf 5%. Hasil penelitian menunjukan bahwa perlakuan pemberian biochar jengkok tembakau + sekam padi pasca remediasi penanaman tanaman lulangan mampu meningkatkan pertumbuhan tanaman sawi. Hal ini terlihat pada variabel tinggi tanaman umur 4 minggu setelah tanam sebesar 29,23 cm. Hal yang sama terlihat pada jumlah daun sebesar 10,17 helaian daun. Parameter , berat basah dan berat akar masing-masing sebesar 118,73 g dan 12,56 g/tanaman.

PENGGUNAAN TANAMAN LULANGAN DAN BIOCHAR UNTUK REMEDIASI TANAH TERCEMAR PERIODE TANAM KEDUA Dapawole, Oktavianus Ama; Hamzah, Amir; Agastya, I Made Indra
Fakultas Pertanian Vol 7, No 3 (2019)
Publisher : Universitas Tribhuwana Tunggadewi

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Soil contaminated with heavy metals has an effect on the environment and human health. The aim of this research is to find out the potential of repeat plants as a phytoremediation agent in the second planting period and to find out the remediator's ability to absorb heavy metals. This research was conducted in Sumber Brantas Village, Bumiaji District, Batu City, Malang Regency. This implementation is a continuation of the second phase of implementation from November 2017 to March 2018. This study uses 1 mx 1 m beds as many as 12 plots of remediator plants and as a treatment for biochar doses and types of doses of 300 g / plot, so that the biochar dose per plot is 8,400 g / plot. Plant observations made consisted of: plant height, number of leaves, number of tillers, total wet weight and total dry weight of plants. Data on the results of the observational parameters of this study used descriptive analysis, then to compare the results of the follow-up treatment with the Least Significant Difference Test (LSD) level of 5%. The results of the study concluded that: Repeat plants contaminated by heavy metals with a marked growth of plants that are plant height, number of leaves, the number of tillers is quite good in the second planting period. Repeat plants are able to accumulate heavy metals in polluted soils with biochar type experiments reviewed from the growth of plant height of 45.56 cm, the number of leaves as much as 410.89 leaves, the number of tillers as much as 65.44 tillers, total wet weight of 112.47 g and total plant dry weight of 44.17 g, on tobacco crooked biochar + rice husk, while without biochar as a result of soil amelioration in the phytoremediation process the lowest. Tanah yang tercemar logam berat memiliki efek terhadap lingkungan dan kesehatan manusia. Penelitian bertujuan untu mengetahui potensi tanaman lulangan sebagai agen fitoremediasi pada periode tanam kedua dan mengetahui kemampuan remediator dalam menyerap logam berat. Penelitian ini dilaksanakan di Desa Sumber brantas, Kecamatan Bumiaji, Kota Batu, Kabupaten Malang. Pada pelaksanaan ini merupakan lanjutan pelaksanaan tahap kedua pada bulan November 2017 sampai Maret 2018. Penelitian ini menggunakan bedengan ukuran 1 m x 1 m sebanyak 12 petak tanaman remediator dan sebagai perlakuan lulangan dan jenis biochar dosis 300 g/plot, sehingga dosis biochar per petak sebanyak 8.400 g/petak. Pengamatan tanaman yang dilakukan terdiri dari: tinggi tanaman, jumlah daun, jumlah anakan, berat basah total dan berat kering total tanaman. Data hasil parameter pengamatan penelitian ini menggunakan analisis diskriptif, Kemudian untuk membandingkan hasil perlakuan uji lanjutan dengan uji Beda Nyata Terkecil (BNT) taraf 5%. Hasil penelitian dapat disimpulkan bahwa: Tanaman lulangan tanah tercemar oleh logam berat dengan ditandakan pada pertumbuhan tanaman yaitu tinggi tanaman, jumlah daun, jumlah anakan cukup baik pada periode tanam kedua .Tanaman lulangan mampu mengakumulasi logam berat dalam tanah yang tercemar dengan percobaan jenis biochar yang ditinjau dari pertumbuhan tinggi tanaman sebesar 45,56 cm, jumlah daun sebanyak 410,89 helai daun, jumlah anakan sebanyak 65,44 anakan, berat basah total 112,47 g dan berat kering total tanaman sebesar 44,17 g, pada biochar jengkok tembakau + sekam padi, sedangkan tanpa biochar sebagai hasil pembenah tanah dalam proses fitoremediasi terendah.

Perbaikan keragaan bibit jeruk pamelo tanpa biji dengan strangulasi dan aplikasi beberapa dosis dari dua ZPT BAP dan 2,4-D Wahyu Fikrinda; I Made Indra Agastya
Kultivasi Vol 18, No 1 (2019)
Publisher : Universitas Padjadjaran

Sari Pamelo memiliki prospek yang baik untuk dikembangkan karena buahnya berukuran besar dan memiliki rasa yang segar. Tujuan penelitian ini adalah mempelajari aplikasi strangulasi dan ZPT terbaik dalam merangsang pertumbuhan vegetatif untuk perbaikan keragaan bibit pamelo tanpa biji. Percobaan dilaksanakan pada bulan Maret sampai Juli 2018 di rumah plastik, Laboratorium Agroteknologi, dan Laboratorium Biologi UNITRI, Malang. Rancangan Acak Kelompok (RAK) faktorial dengan dua faktor digunakan pada penelitian ini. Faktor pertama adalah strangulasi ganda dengan jarak antar kawat yang berbeda yaitu 10 cm, dan 15 cm, sedangkan faktor kedua adalah dosis dan jenis zat pengatur tumbuh yang berbeda yaitu tanpa ZPT, BAP 100 ppm, BAP 200 ppm, 2,4-D 100 ppm, dan 2,4-D 400 ppm. Aplikasi strangulasi (pengikatan kawat) dilakukan secara serentak pada bibit pamelo pada April 2018 dan pelepasan kawat dilakukan pada Juni 2018. Berdasarkan analisis ragam yang dilakukan terdapat interaksi antara perlakuan letak strangulasi dengan dosis ZPT pada parameter diameter batang, jumlah tunas, panjang tunas, jumlah daun, luas daun, dan ukuran tajuk pada 1 – 17 minggu setelah perlakuan (MSP). Perlakuan strangulasi ganda 15 cm dan BAP 100 ppm (j2b1) merupakan perlakuan terbaik mampu membentuk tajuk terbuka dengan arsitektur kanopi yang baik sehingga cahaya dapat masuk karena memiliki ukuran tajuk yang paling besar, jumlah daun, luas daun, serta jumlah tunas yang paling banyak dibandingkan dengan perlakuan lainnya sampai 17 MSP. Kata Kunci: arsitektur kanopi, BAP, 2,4-D, pamelo tanpa biji Abstract. Pummelo has prospective to be developed because of its large fruits and fresh taste. The aim of the research was to study the influence of double strangulation and two plant growth regulator to increase vegetative growth and improve performance of Pummelo (Citrus maxima (Brum.) Merr.) seedling. The research was conducted from March to Juli 2018 at plastic house, Laboratory of Agrotechnology, and Laboratory of Biology, Unitri, Malang. Experimental design used completely randomized block design and treatment design was factorial. The first factor was double strangulation with different distance, i.e. 10 cm and 15 cm, while the second factor was the different dosage and type of growth regulators, i.e. without plant growth regulator, 100 ppm BAP, 200 ppm BAP, 2.4-D 100 ppm, and 2.4-D 200 ppm. Strangulation treatment was conducted on April 8 and wire removed on June 3, 2018. The results showed that there were interaction between the location of strangulation and the dose of plant growth regulator on the parameters diameter of stem, number of branches, length of branches, number of leaves, leaf area, and volume of canopy at 1 - 17 weeks after treatment (WAT). Furthermore, the result showed double strangulation with distance between the wire 15 cm had better significant influence on vegetative growth than double strangulation and the distance between the wire 10 cm. Double strangulation and the distance between the wire 15 cm with BAP 100 ppm treatment was the best treatment on canopy architecture so the light can be used optimally by plant. It was showed by the largest volume of canopy, number of leaf, and leaf area. Besides, the number of branches was the highest if compared to other treatments up to 17 WAT.Keywords: canopy architecture, BAP, 2,4-D, seedless pummelo

Co-Authors Alfian, Rizki Aminudin Afandhi Aminudin Afandhi Amir Hamzah Astri Sumiati Astutik Astutik Cahya, Utik Tri Wulan Dapawole, Oktavianus Ama Dominikus Dominikus, Dominikus Ebu, Liberti Edyson Indawan Fatah, Hibatullah Amtsalul Hidayati Karamina Indawan*, Edyson Jena, Salvatriks Anastasia Kgs. Ahmadi Krismarianto, Gerson Lodan, Stefanus Luqman Qurata Aini Marwoto Marwoto marwoto marwoto Niis, Yosefina Nurul, Mohamad Poppy Indri Hastuti Presti Ameliawati Presti Ameliawati, Presti Regina Magi Ni Ga Reza Prakoso Dwi Julianto Reza Prakoso Dwi Julianto Reza Prakoso Dwi Julianto Reza Prakoso Dwi Julianto Reza Prokoso Dwi Julianto Ricky Indri Hapsari Roimil Latifa Samsuri Tirtosastro Sinu, Grasiana Tryfonia Dehot Stefanus jappa Sumiati, Astri Susilo Ribut Anggarbeni Sutoyo Sutoyo Sutoyo Sutoyo Sutoyo Syanzani, Syanzani Syaputra, Roni Tandu, Antonius Taufik Iskandar Wahyu Fikrinda Wahyudi, Anom Wakhid Wakhid Wendo, Consianus Wendo, Wira Firdaus Widowati Widyastuti, Fikka Kartika Wowu, Hironimus Dongu Zakeus Candra Jaya Kristiaga Zunaidi, Mahbub

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