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PERTUMBUHAN AWAL AKSESI DOYO HASIL DOMESTIKASI (Early Growth Of Doyo Accession Domestication Reseults) Candra Catur Nugroho; Erwin Arief Rochyat
Jurnal Magrobis Vol. 18 No. 2 (2018)
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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Doyo (Curculigo latifolia) which grows wild in nature is one of the important plants in East Borneo which was many benefit, one of them as as raw material of ulap doyo’s woven fabric. This research was aimed to perform domestication stages by looking at the initial vegetative growth process of doyo plants in one location. Doyo accession was obtained at 15 location points from 6 sub-districts (Tenggarong, Bangun City, Muara Wis, Anggana, Bongan and Jempang) which were then carried out domestically on experimental land in Bukit Biru Village, Tenggarong District. This research used a randomized block design with a single factor were doyo accession (6 accessions). Observation data were analyzed with F test (α=5%) and continued DMRT (Duncan Multiple Range Test) using SAS v. 11.6. The results showed that the highest percentage of live doyo accession in polybags was obtained at Bongan accession (85.16%), while the lowest was obtained at Kota Bangun accession (32.42%). Meanwhile, when planted in the field of research, based on the results of variance showed that the treatment of accession had a significant and very significant effect on the parameters of height increase of plants at 1 and 2 month after planting (WAP), increase in stem diameter, length of leaf midrib, leaf stalk length, leaf length, width leaves, and the number of new leaves at 1-3 MAP, but not significantly different from the parameters of plant height increase at 3 MAP and number of tillers. The highest leaf length was obtained at Bongan accession, while the highest leaf width ang number of new leaves were obtained at Tenggarong accession. Keywords: Domestication, doyo accession, East Borneo

PENGARUH PUPUK OSTINDO DAN DEFOLIASI DAUN TERHADAP HASIL JAGUNG (Zea mays L.) Mohamad Fadli; Erwin Arief Rochyat; Yuki Yuki
Jurnal Magrobis Vol. 19 No. 1 (2019)
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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This study aims to determine the effect of ostindo fertilizer and leaf defoliation on corn yield (Zea masy L.). The study began in October 2018 until January 2019, located in the village of Bendang Raya, Tenggarong District, Kutai Kartanegara Regency. This study was arranged in a Randomized Complate Block Design (RCBD) with a 4 x 3 factorial analysis with replications three times. The first factor for giving ostindo fertilizer (p) consisted of 3 levels, namely, p0 (untreated control), p1 (45 g plot-1), and p2 (90 g plot-1) and the second factor leaf defoliation (d) that is, d0 (control without treatment), d1 (70 days), d2 (77 days), and d3 (84 days).The results showed that ostindo fertilizer removal had no significant effect on the parameters of observation of plant height, leaf defoliation weight, ear weight without weight per plant, weight of crop seeds, including the weight of 100 seeds. With the highest yield average dry weight per hectare (t ha-1), that is in treatment p1 (45 g plot-1) which is 4.65 t ha-1 whereas for the lowest yield dry weight shelled per hectare (t ha-1) is treatment p0 (without treatment) with an average yield of 4.47 t ha-1.Then the treatment of leaf defoliation did not significantly affect the parameters of observation of ear weight without plant per plant, weight of planting seeds, weight of 100 seeds and dry weight per hectare (t ha-1) ie, the highest yield was obtained from the average shelled dry weight per hectare (t ha-1), that is in treatment d1 (70 days after planting) which is 4.80 t ha-1 whereas for the lowest yield dry weight per hectare (t ha-1) is treatment d0 (without treatment) with an average average 4.40 t ha1.The interaction between ostindo fertilizer and leaf defoliation had no significant effect on all parameters observed, the highest average yield of dry weight per hectare (t ha-1) in treatment p1d1 (45 g plot-1 and 70 days after planting) with an average yield 4.87 t ha-1. The lowest yield was dry shelled weight per hectare (t ha-1) in p2d3 treatment (90 g plot-1 and 83 days after planting) with an average yield of 4.23 t ha-1. Key word : Ostindo fertilizer, leaf defolition, corn yield

PENGARUH PUPUK HAYATI KAYABIO DAN CARA PEMUPUKAN TERHADAP PERTUMBUHAN DAN HASIL JAGUNG (Zea mays L.) Sundari Sundari; Erwin Arief Rochyat; Ervina Sary
Jurnal Magrobis Vol. 19 No. 1 (2019)
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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This study aims to determine the effect of Kayabio biofertilizer and fertilization methods on the growth and yield of corn (Zea Mays L.). The study began in September to December 2018, located on the farm land of Marangan Hamlet, Loh Sumber Village, Loa Kulu District, Kutai Kartanegara Regency, East Borneo Province.The study was arranged in Factorial Randomized Complete Block Design (RCBD) consisting of 2 factors and repeated 3 times. The first factor was the administration of Kayabio (p) biological fertilizer which consisted of 4 levels, namely p0 (without fertilizer), p1 (18 g plot-1), p2 (36 g plot-1), p3 (54 g plot-1). And the second factor is How to Fertilize (c) which consists of 3 levels, namely c1 (way of Portugal), c2 (how to run) and c3 (spread).The results showed that Kayabio biofertilizer had no significant effect on all observed parameters. The highest yield on average yield of dry seed shelled t ha-1 is on p3 with an average yield of 3.78 t ha-1 and the lowest yield of dry seed shell weight t ha-1 is at p0 with an average yield of 4,19 t ha-1.The results showed that the fertilization method had no significant effect on all observational parameters. The highest yields of average dry seed seed weight t ha-1 are in c1 with an average yield of 4.20 t ha-1 and the lowest yield of dry seed shell weight t ha-1 is in c3 with an average yield of 3.80 t ha-1.The results of the interaction between Kayabio biofertilizer and fertilization methods had no significant effect on all observational parameters. The highest yields of average dry seeds of shelled beans t ha-1 were at p3c1 with yields of 4.61 t ha-1 and the lowest yields of yields of dry seeds of shelled beans t ha-1 were in treatment p1c3 with a yield of 3.59 t ha-1. Key words : Kayabio biofertilizer, fertilization method and corn production

PERTUMBUHAN LANJUT AKSESI DOYO (Curculigo latifolia) HASIL DOMESTIKASI Candra Catur Nugroho; Erwin Arief Rochyat
Jurnal Magrobis Vol. 19 No. 2 (2019)
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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Doyo plants are expected to produce offspring or generations that are able to adapt well in a new growing environment. The generation of doyo accessions that managed to grow well in the new environment was then passed on as propagation material to produce the next generation so that a large number of plant propagation materials were obtained for large-scale cultivation. This study aims to observe the continued growth of doyo accessions as a result of domestication. This research consisted of two experiments. The first experiment was to see the growth of tillers from 6 doyo accessions (Tenggarong, Kota Bangun, Muara Wis, Jempang, Bongan, Anggana). The second experiment was to see the growth of the first generation of doyo accessions from domestication. The planting material used was tillers of doyo accession originating from the first experiment grouped into 3 groups based on the age of the tillers: group 1 (0 - <3 months), group 2 (3 - <5 months), group 3 (5 - <7 months). Data in the first and second experiments were analyzed by the F-test (α=95%) and then tested further using the DMRT (Duncan Multiple Range Test) test using SAS v. 11.6 software. In the first experiment, the analysis showed that the treatment of accession had no significant effect on the number of tillers at 3 to 6 months after planting (MAP), but had a very significant effect at 12 MAP. The highest average number of tillers at 12 MAP obtained at Bongan accessions (9.75 tillers), but not significantly different from Kota Bangun accessions (6.11 tillers) and Jempang (6.67 tillers), while the lowest average number of tillers was obtained at Anggana accessions (1.57 tillers) but not significantly different from Muara Wis accessions (3.33 tillers). In the second experiment, the results of the analysis showed that the treatment of accession had no significant effect on increasing the diameter of the stem, increasing the length of the leaf, and increasing the number of leaves, but significantly affected the increase in plant height at 2 MAP. In general, it can be seen that seedlings that are still young (0 - <3 months) when used as planting material have a better percentage of life and growth compared to older seeds (3 - <5 months) and (5 - <7 months).

Pengaruh Pemberian Pupuk Kotoran Kelelawar (Guano) Terhadap Pertumbuhan dan Hasil Kedelai (Glycine max L.) Erwin Arief Rochyat; Eka Rahmawati; Richorius Robby Lohim
Jurnal Magrobis Vol. 20 No. 2 (2020): Jurnal Magrobis
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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Penelitian ini bertujuan untuk mengetahui pengaruh pupuk kotoran kelelawar terhadap pertumbuhan dan hasil Kedelai (Glycine max L.). Penelitian dimulai pada bulan Agustus sampai November 2018, berlokasi di Desa Jembayan, Kecamatan Loa Kulu, Kabupaten Kutai Kartanegara, Provinsi Kalimantan Timur. Penelitian disusun menggunakan Rancangan Acak Kelompok (RAK) dengan satu faktor perlakuan (tunggal) yang diulang sebanyak 3 kali, dengan pemberian pupuk kotoran kelelawar (K) sebagai perlakuan terdiri dari 9 taraf: terdiri k0 = kontrol, k1= 3 t ha-1 (0,6 kg petak-1), k2 = 6 t ha-1(1,2 kg petak-1), k3 = 9 t ha-1(1,8 kg petak-1), k4= 12 t ha-1 (2,4 kg petak-1), k5 = 15 t ha-1 (3 kg petak-1), k6 = 18 t ha-1 (3,6 kg petak-1), k7 = 21 t ha-1 (4,2 kg petak-1) dan k8 = 24 t ha-1 (4,8 kg petak-1). Hasil penelitian menunjukkan bahwa Pengaruh Pemberian Pupuk Kotoran Kelelawar (Guano) ha-1 dan hasil terendah pada perlakuan k0 (kontrol) dengan rata-rata 2,15 t ha-1. Berdasarkan hasil analisis polinom ortogonal terhadap hasil biji kering per ha didapatkan kurva kuadratik dengan persamaan regresi dan koefisien determinasi, yaitu y = 2,1576 + 0,0011 x - 0,0001 x2 dan R² = 0,6974

RESPON PERTUMBUHAN DAN HASIL TANAMAN TELANG (Clitoria ternatea L.) DENGAN PEMBERIAN POC MULTIPLANT Sundari; Erwin Arief Rochyat; Dimas Yulianto
Jurnal Magrobis Vol. 22 No. 2 (2022): Jurnal Magrobis
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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This study aims to determine the effect of giving POC Multiplant on plant growth and yield of Telang (Clitoria ternatea L.). This research starts from April to May 2021, at Bukit Biru village, Tenggarong Sub District, Kutai Kartanegara District, East Kalimantan Privince. This research was arranged using a Randomized Complete Block Design (RCBD) with POC Multiplant (d) consistend of five levels namely : d0 (without POC Multiplant), d1 (5 cc/L water POC Multiplant), d2 (10 cc/L water POC Multiplant), d3 (15 cc/L water POC Multiplant) and d4 (20 cc/L water POC Multiplant). The result of research showed that the POC Multiplant treatment had no significant effect on all parameters, namely plant height, age of first flowering, and also the number of flowers. The highest yield of plants aged 7 days after planting was obtained from treatment d2 (10 cc/L water POC Multiplant) with an average of 27,60 cm and the lowest was from treatment d4 (20 cc/L water POC Multiplant) with an average of 24,50 cm. The highest yield of plants aged 14 days after planting was obtained from treatment d3 (15 cc/L water POC Multiplant) with an average of 63,80 cm and the lowest was from treatment d0 ( without POC Multiplant) with an average of 57,90 cm. While the highest yield of plants at harvest was obtained from treatment d1 (5 cc/L water POC Multiplant) with an average of 88,20 cm and the lowest at treatment do (without POC Multiplant) with an average of 75,30 cm. The fastest results of flowering age were obtained from treatment d1 (5 cc/L water POC Multiplant) with an average of 23,40 days and the longest with treatment d0 (without POC Multiplant) with an average of 23,90 days. The highest yield of interest was obtained in treatment d1 (5 cc/L water POC Multiplant) with an average of 12,60 flowers and the lowest in treatment d2 (10 cc/L water POC Multiplant) and d4 (20 cc/L water POC Multiplant) with an average of 10,08 flowers.

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