scholarly journals PENINGKATAN PRODUKSI BENIH G0 KENTANG MELALUI MODIFIKASI TEKNOLOGI BUDIDAYA

2020 ◽  
Vol 3 (1) ◽  
pp. 518-528
Author(s):  
Kiki Kusyaeri Hamdani ◽  

Efforts to procure quality potato seeds are continuously being made, including using plantlet cuttings to produce G0 seeds. Several cultivation technologies can be used to increase the quality and quantity of G0 potato seeds. This study aims to increase the production of G0 potato seeds through modification of cultivation technology, namely planting media, number of cuttings, planting, and hood. The research was conducted from November 2017 to March 2018 in a plastic house in Lembang, West Bandung, West Java with an altitude of 1.200 m above sea level. The experiment used a completely randomized block design (RCBD) with eight treatments and ten replications. The variety used was Granola L. The results showed that the best modification of cultivation technology to increase the production of the number of tubers per G0 potato plant was a mixture of soil, manure, roasted husk (1: 1: 1) + heaping + 2 seeds + without hoods.

Author(s):  
Lia Amalia ◽  
Ai Komariah ◽  
Ilma Hilmayanti

Experiments to study the stability and adaptability genotype of hybrid rice were conducted in two locations in West Java: 1. the Jelekong Village Baleendah Bandung region, 2. the Arjasari Village Leuwisari Tasikmalaya region. The altitude of the Baleendah Bandung region is 650 and that of the Leuwisari Tasikmalaya region is 450 meters above sea level. The experiments were arranged in a randomized block design and used with 9 genotypes and 3 replications. The 9 genotypes of hybrid rice are SW-907, SW-804, SW-902, US-915, SW-82, SW-923, Intani-2, SL 8 SHS, and SHS 04 WM. The result of the experiment showed that the whole genotypes A = SW-907, B = SW-804, C = SW-902, D = US-915, E = SW-82, F = SW- 923, G = WM 4 SHS, H = SL 8 SHS, and I = Intani 2 measured the height of the plants, the number of productive tillers, the length of the panicles, the number of grains per panicle, the number of filled grains per panicle, the weight of 1000 grains, and the grain yield per plot, and were unstable and unadaptive in Bandung and Tasikmalaya.


2017 ◽  
Vol 4 (1) ◽  
pp. 59
Author(s):  
Yudi Yusdian ◽  
Ridwan Haris

The objective of this research was to study the response on the growth of clove seedling cultivar Zanzibar as the result of using  NPK Phonska fertilizer dosage and liquid organic fertilizer  concentration and to find out the acurate dosage of  NPK Phonska and liquid organic fertilizer  “Getoe”. The experiment was conducted at Kampung Ciherang Desa Gunungtua Kecamatan Cijambe Kabupaten Subang, West Java. The altitude is about 600 m above sea level, the soil type is Ultisol (pH 5,4), the average of rainfall was 1622,10 mm/year and the type of rainfall is C according to Schmidt and Ferrguson (1951). The experiment from March 2014 until June 2014. The experiment was arranged in Randomized Block Design (RBD) consisted of  six treatments, i.e :  A (2,5 g NPK + 0 cc/L of water POC Getoe), B (1,5 g NPK + 2,5 cc/L of water POC Getoe), C (2,0 g NPK + 2 cc/L of water POC Getoe), D (2,5 g NPK + 1,5 cc/L of water POC Getoe), E (3,0 g NPK + 1,0 cc/L of water POC Getoe) and F (3,5 g NPK + 0,5 cc/L of water POC Getoe) and replicated six times respectively. The result of this research showed that combined 2,5 g NPK fertilizer and 1,5 cc Getoe liquid organic fertilizer  concentration  gave the better effect on stem height, leaves of number, leaf area, dry weight of plant and dry weight of root the clove seedling cultivar Zanzibar. 


Agrikultura ◽  
2017 ◽  
Vol 28 (3) ◽  
Author(s):  
Zaenal Mutaqin ◽  
Anni Yuniarti ◽  
Tati Nurmala ◽  
Eso Solihin

ABSTRACTUtilization of hanjeli seed skin as organic silica fertilizer in influencing the growth, P and Si absorption, and yield of hanjeli (Coix lacryma-jobi L.)This experiment was conducted to determine the effect of hanjeli seed shell as organic silica fertilizer on plant uptake and hanjeli pulut (Coix lacryma-jobi L.) yield on Inceptisol. The experiment was conducted in Experimental Station of Agriculture Faculty of Universitas Padjadjaran, Jatinangor, Sumedang Regency, West Java Province. The research was carried out in the altitude of 822 meters above sea level (asl) from May 2017 to October 2017. The method used was a Randomized Block Design (RBD) consisting of ten treatments with three replications, i.e. control, NPK standard, NPK + ¼ silica emulsion, NPK + ½ silica emulsion, NPK + ¾ silica emulsion, NPK + 1 emulsion of ash silica, NPK + ¼ nano colloidal silica, NPK + ½ nano colloidal silica, NPK + ¾ nano colloidal silica, and NPK + 1 nano colloidal silica. The results showed that the application of silica fertilizer influenced the absorption and the yield of hanjeli plant. The treatment of NPK + 1 colloidal nano silica gave the highest hanjeli yield of 210.63 g/plant.Keywords: Hanjeli seed skin, Organic silica fertilizer, Plant absorption, YieldABSTRAKPercobaan ini dilakukan untuk mengetahui pengaruh pemberian kulit biji hanjeli sebagai pupuk silika organik terhadap pertumbuhan, serapan tanaman, dan hasil hanjeli pulut (Coix lacryma-jobi L.) pada Inceptisol. Percobaan dilaksanakan di Kebun Percobaan Fakultas Pertanian, Universitas Padjadjaran, Jatinangor, Kabupaten Sumedang, Provinsi Jawa Barat. Lokasi penelitian berada pada ketinggian 822 meter di atas permukaan laut (dpl) pada bulan Mei 2017 sampai dengan Oktober 2017. Metode yang digunakan adalah Rancangan Acak Kelompok (RAK) yang terdiri dari sepuluh perlakuan dengan tiga kali ulangan yaitu kontrol, NPK standar, NPK + ¼ emulsi abu silika, NPK + ½ emulsi abu silika, NPK + ¾ emulsi abu silika, NPK + 1 emulsi abu silika, NPK + ¼ nano koloid silika, NPK + ½ nano koloid silika, NPK + ¾ nano koloid silika, serta NPK + 1 nano koloid silika. Hasil penelitian menunjukkan bahwa terdapat pengaruh pemberian pupuk silika organik terhadap serapan P, Si tanaman dan hasil hanjeli. Perlakuan NPK + 1 nano koloid silika memberikan Serapan P, Si tanaman serta hasil hanjeli tertinggi dengan nilai masing-masing sebesar 0,61 g/tanaman, 7,56 g/tanaman, dan 210,63 g/tanaman.Kata Kunci: Kulit biji hanjeli, Pupuk Silika Organik, Serapan dan Hasil Hanjeli


Kultivasi ◽  
2018 ◽  
Vol 17 (3) ◽  
Author(s):  
Agus Wahyudin ◽  
Dedi Widayat ◽  
Fiky Yulianto Wicaksono ◽  
Aep Wawan Irwan ◽  
Abdulah Hafiz

Sari. Penelitian ini bertujuan untuk mempelajari pertumbuhan dan hasil tanaman jagung akibat persiapan lahan dengan menggunakan herbisida paraquat pada lahan tanpa olah tanah (TOT), serta memperoleh dosis yang tepat yang dapat digunakan dalam budidaya jagung untuk menggantikan olah tanah sempurna (OTS). Percobaan dilaksanakan di Kebun Percobaan Ciparanje Fakultas Pertanian Universitas Padjajaran, Jatinangor, Kabupaten Sumedang, Jawa Barat dengan ketinggian tempat ± 750 meter diatas permukaan laut  dan ordo tanah Inceptisol serta tipe curah hujan C3 menurut Oldeman (1975). Percobaan dilaksanakan dari bulan Mei 2017 hingga Agustus 2017.  Metode percobaan yang digunakan adalah Rancangan Acak Kelompok terdiri dari 6 perlakuan dan diulang sebanyak 4 kali. Perlakuannya adalah sebagai berikut : Perlakuan TOT + Herbisida Paraquat Diklorida Dosis 207g/L, TOT + Herbisida Paraquat Diklorida  Dosis 276g/L, TOT + Herbisida Paraquat Diklorida Dosis  345g/L, TOT + Herbisida Paraquat Diklorida Dosis  414g/L, TOT + Penyiangan Manual, dan  Kontrol (OTS). Hasil percobaan menunjukkan bahwa pemberian herbisida paraquat 414 g/L untuk persiapan lahan dengan TOT pada tanaman jagung  dapat menyamai OTS.Kata kunci : Paraquat , Persiapan lahan, Jagung, Tanpa olah tanah  Abstract. This study aims to determine growth and yield of maize caused by land preparation using paraquat herbicide at zero tillage, then find the best dosage of paraquat that can be replaced full tillage in maize cultivation. The experiment was conducted at the experimental field Ciparanje, Faculty of Agriculture, University of Padjadjaran, Jatinangor, Sumedang Regency, West Java at ± 750 meters above sea level, soil order was Inceptisols, the type of rainfall was C3 according Oldemann classification. The experiment conducted from May 2017 until August 2017. It used  randomized block design that consisted of 6 treatments and repeated four times. The treatments were: zero tillage + Paraquat Dicloride at the dosage 207g/L, zero tillage + Paraquat Dicloride at the dosage 276g/L, zero tillage + Paraquat Dicloride at the dosage 345g/L, zero tillage + Paraquat Dicloride at the dosage 414g/L, zero tillage +  weeding manual, and full tillage as control. The results of the experiments showed that application of paraquat 414 g/L can replace full tillage.Keyword : Land preparation, Paraquat, Maize, Zero tillage


Jurnal Agro ◽  
10.15575/808 ◽  
2016 ◽  
Vol 3 (1) ◽  
pp. 20-24
Author(s):  
Yudi Yusdian ◽  
Merry Antralina ◽  
Ahmad Diki

Penelitian ini bertujuan untuk mengetahui pengaruh kombinasi pupuk kandang ayam dan pupuk urea terhadap pertumbuhan dan hasil bawang daun. Penelitian dilaksanakan di kampung Legokkaso Desa Cinanggela Kecamatan Pacet Kabupaten Bandung Provinsi Jawa Barat. dengan jenis tanah Latosol dengan pH 5,7, terletak pada ketinggian 1.200 m di atas permukaan laut. Curah hujan 2.205 mm/tahun termasuk curah hujan tipe C3 (Oldeman, 1979). Percobaan dilaksanakan dari bulan Maret sampai dengan bulan Mei 2014. Metode penelitian yang digunakan adalah metode Rancangan Acak Kelompok (RAK) yang terdiri dari 6 perlakuan dan 4 ulangan. Perlakuan kombinasi pupuk kandang ayam dan pupuk urea adalah sebagai berikut: A (0g+2,2g), B (12g+2,0g), C (14g+1,8g), D (16g+1,6g), E (18g+1,4g), F (20g+0g).Hasil analisis menunjukkan bahwa pemberian dosis 16 g pupuk kandang ayam dan 1,6 g pupuk urea memberikan pengaruh yang lebih baik terhadap pertumbuhan tinggi tanaman, jumlah anakan,  dan hasil per tanaman bawang daun varietas Linda. This study aimed to determine the effect of chicken manure and urea dosage combination on the growth and yield of spring onions. The experiment was conducted in the Legokkaso Residential, Cinanggela Village, Pacet Subdistrict, Bandung Regency, of West Java Province. The soil was Latosol with pH 5.7, located at an altitude of 1,200 m above sea level. Rainfall was 2.205 mm/years including precipitation C3 type (Oldeman, 1979). The experiment was conducted from March to May 2014. The research method used was randomized block design method (RBD) consisting of 6 treatments and 4 replications. The treatment was combination of chicken manure and urea as follows: A (0g + 2,2g), B (12g + 2,0g), C (14g + 1,8g), D (16g + 1,6g), E (18g + 1,4g), F (20g + 0g). The result showed that dosage 16g of chicken manure and 1.6 g urea gave a better effect on the growth of plant height, number of tillers, yield of plant.


2021 ◽  
Vol 9 (2) ◽  
pp. 82-89
Author(s):  
Rita Noveriza ◽  
Tri Lestari Mardiningsih ◽  
John Nefri ◽  
Siti Riffiah

Clove oil has the potential to suppress the development of the mosaic virus in patchouli plants, but its effectiveness in the field has not been studied. This study aimed to evaluate the effect of clove nano biopesticide on controlling patchouli mosaic disease. The research was conducted at the Manoko Experimental Garden, Bandung, West Java from March to November 2018. The patchouli used was Patchoulina-2 variety, which originated from the Seed Breeder Garden in Lembang, Bandung.  This study was arranged in a Randomized Block Design (RBD), consisting of five treatments and ten replications within each treatment, with one hundred plants in each replication. The results obtained showed that nano biopesticides of citronella, clove, and commercial citronella (Asimbo) were able to reduce the incidence and intensity of mosaic diseases in patchouli plants, showing the efficacy levels of 14.68%, 9.06%, and 5.83%, respectively. The application of citronella and clove biopesticides on Patchoulina-2 every month could increase plant fresh weight, when compared to the plants without treatment. Patchoulina-2 plants treated with nano biopesticides of clove and commercial citronella (Asimbo) showed higher value of fresh weight compared to those treated with citronella nano biopesticide. The clove nano biopesticide can also be developed to control mosaic diseases in patchouli plants.


2020 ◽  
Vol 18 (2) ◽  
pp. 60
Author(s):  
M. SYAKIR ◽  
GUSMAINI GUSMAINI

<p>ABSTRAK<br />Tanaman nilam (Pogostemon cablin Benth) sudah lama dibudi-<br />dayakan, namun produktivitas dan mutu minyak yang dihasilkan masih<br />rendah. Rendahnya produktivitas dan mutu minyak tersebut antara lain<br />disebabkan teknologi budidaya yang masih sederhana, dan berkembangnya<br />penyakit, seperti penyakit layu bakteri dan budog, serta hama yang<br />disebabkan oleh nematoda. Penelitian ini bertujuan untuk memperoleh<br />sumber dan dosis kalium yang tepat dalam meningkatkan pertumbuhan<br />dan produksi tanaman nilam. Kegiatan ini merupakan penelitian lapang<br />yang dilakukan di Kuningan, Jawa Barat, dari bulan Januari sampai<br />Desember 2009. Percobaan disusun menggunakan rancangan acak<br />kelompok lengkap, 9 perlakuan dengan 3 ulangan. Perlakuan terdiri atas<br />1) kontrol, 2) dosis KCl 60 kg/ha, 3) dosis KCl 120 kg/ha, 4) dosis KCl<br />180 kg/ha, 5) dosis KCl 240 kg/ha, 6) dosis K 2 SO 4 60 kg/ha, 7) dosis<br />K 2 SO 4 120 kg/ha, 8) dosis K 2 SO 4 180 kg/ha, 9) dosis K 2 SO 4 240 kg/ha.<br />Hasil penelitian menunjukkan bahwa sumber dan dosis kalium secara<br />nyata meningkatkan pertumbuhan dan produksi dibandingkan dengan<br />kontrol. Pertumbuhan tanaman, produksi terna kering, kadar dan produksi<br />minyak nilam terbaik ditunjukkan oleh perlakuan KCl atau K 2 SO 4 dengan<br />dosis 60 kg/ha. Serapan hara N dan P yang tertinggi ditunjukkan oleh<br />perlakuan pemberian 60 kg K 2 SO 4 /ha dan serapan hara K tertinggi pada<br />perlakuan 120 kg KCl/ha.<br />Kata kunci : Pogostemon cablin Benth, kalium, sumber, dosis, produksi,<br />patchouli alkohol</p><p>ABSTRACT<br />Effect of potassium sources on application yield and<br />quality of patchouli<br />Patchouli (Pogostemon cablin Benth) is an aromatic plant that has<br />long been cultivated in Indonesia, however its productivity and quality are<br />still low due to simple cultivation technology, and the development of<br />diseases, such as bacterial wilt disease, budog, and pests caused by<br />nematodes. This study aimed at obtaining sources and dosage of potassium<br />fertilizers to increase plant growth and oil yield of patchouli. The research<br />was conducted in Kuningan, West Java, from May to December 2009 and<br />was arranged using randomized block design, with 9 treatments and 3<br />replicates. There were 9 treatments consisting of : 1) control, 2) 60 kg<br />KCl/ha, 3) 120 kg KCl/ha, 4) 180 kg KCl/ha, 5) 240 kg KCl/ha, 6) 60 kg<br />K 2 SO 4 /ha, 7) 120 kg K 2 SO 4 /ha, 8) 180 kg K 2 SO 4 /ha, and 9) 240 kg<br />K 2 SO 4 /ha. The research results showed that the sources and dosage of<br />potassium fertilizers significantly affected growth, fresh herbal yield and<br />patchouli oil. The best plant growth, dry herbage yield, content and yield<br />of patchouli oil were obtained from the treatment of 60 kg/ha of KCl or<br />K 2 SO 4 . The highest N and P uptakes were shown by 60 kg K 2 SO 4 /ha<br />treatment and the highest K nutrient uptake was shown by 120 kg KCl/ha.<br />Key words : Pogostemon cablin Benth, potassium, source, dosage, yield,<br />patchouli olcohol</p>


1970 ◽  
Vol 5 (3) ◽  
pp. 355-363
Author(s):  
Hermawan Indra K. ◽  
Jonatan Ginting ◽  
Charloq

The aims of this study was to determine the effect of organic liquid fertilizer concentration and varieties on the growth and production of several varieties rice. This research had done at Desa Sendang Rejo, Kecamatan Binjai, North Sumatera with the 50 meters of sea level, from August until November 2016. This research used randomized block design with 2 factor treatments. The first factor was organic liquid fertilizer concentration with 4 levels 0 cc/ litre of water, 3 cc/liter of water, 6 cc/ litre of water and 9 cc/liter of water. The second factor was varieties with 3 levels Ciherang, Inpari 30 and Inpari 32. The result showed that the concentration organic liquid fertilizer significantly effect the plant height, tillers, 1000 grain weight and production per plant. Best result is obtained in treatment 9 cc/litre of water.


2016 ◽  
Vol 6 (1) ◽  
pp. 15
Author(s):  
Trisnaningsih Trisnaningsih ◽  
Arifin Kartohardjono

The objective of these studies were to observe efficiency material formulations of MsNPV and the influence to rice plantation on different locations (Indramayu (3 m above sea level), Sukabumi (400m above sea level) and Bogor (250 m above sea level) to larvae of rice army worm. This study used randomized block design with 4 treatments consisted of 3 formulation materials (talc, kaolin and gypsum) and control in five replications. Observations were done to life and death larvae on 5, 10, 15 days after inoculation and leaf damaged. Data were analysed with DMRT. Results from this study indicated that material talc formulation was more effective because all the material was dissolve as compare to material kaolin and gypsum formulations while the material were precipitated. Utilize these three material formulations on three different locations above sea level gave the same impact to the mortality army worm larvae and also to the plant damage.


2017 ◽  
Vol 17 (1) ◽  
Author(s):  
Anung Wahyudi ◽  
Ratna Dewi

The quality and production of watermelon in Indonesia is low relatively. We introduced "ToPAS" (toping, pruning, arranging and selection), the innovation of cultivation technology in an effort to improve the quality and production of watermelon. Our study was conducted in State Polytechnic of Lampung yield trials from May~August 2014, and used 12 varieties of hybrid watermelons with randomized block design two factors. The results of variance analyses in "ToPAS" system showed that productivity of watermelon fruit (oval and round type) are higher compared with conventional cultivation systems. We suggested using "ToPAS" system in watermelon cultivation to improve the cultivation technology, increasing quality and production of watermelon fruit. “ToPAS” also suggested for watermelon breeding program.Key word : cultivation, production, ToPAS, watermelon


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