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All Journal Jurnal Hortikultura JURNAL PERTANIAN PRESISI (JOURNAL OF PRECISION AGRICULTURE) JURNAL PERTANIAN QARDHUL HASAN: MEDIA PENGABDIAN KEPADA MASYARAKAT JURNAL AGRONIDA

Rahayu, Arifah

Universitas Djuanda

Author-ID : 4020742

Agriculture, Biological Sciences & Forestry Education Languange, Linguistic, Communication & Media Social Sciences Veterinary Other

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THE GROWTH RATE OF CELERY (Apium graveolens L.) AT VARIOUS COMPOSITIONS OF ORGANIC AND SYNTHETIC FERTILIZER Ghani Hendrika; Arifah Rahayu; Yanyan Mulyaningsih
JURNAL AGRONIDA Vol. 3 No. 1 (2017)
Publisher : Universitas Djuanda Bogor

This study was aimed at assessing the growth and production of celery plants grown with various compositions of N,P and K fertilizer and compost. The study was done at the Trial Farm of Faculty of Agriculture, Djuanda University, Bogor ﬁom September to November 2015. A completely randomized design with two factors was used. The factors consisted of compost rate and N,P and K fertilizer rate. Compost was given in four levels, namely no compost (0% R), 26.3% gcompost/plant (50% R), 52.5 g compost/plant (100% R), and 78.7 g compost/plant (150% R). N, P and K fertilizer was given in ﬁve levels, namely no fertilizer (0% R), 4 g Urea, 0.3 g SP-36, 0.2 g KCl (25% R), 0.9 g Urea, 0.6 g SP-36, 0.4 g KCI (50% R), 1.3 g Urea, 0.8 g SP-36, 0.6 g KCl (75% R), and 1.7 g Urea, 1.1 g SP-36, 0.8 g KCl (100% R). All fertilizers were administered gradually at the time of planting and 2 weeks after planting. Three replicates were allocated into each treatment making up 60 experimental units. Results showed that celery plants given synthetic fertilizer at 100% R had higher plant height, number of leaves, number of seedlings, harvest fresh weight (g), saleable fresh weight (g), root biomass (g), and root dry weight (g) than those treated with no fertilizer (0% R). Plants treated with 150% compost had higher plant height, number of leaves, harvest fresh weight (g), saleable fresh weight (g), root length (cm), and root dry weight (g) than those treated with no fertilizer (0% R). Thus the best celery growth and production in this study was obtained on plant 150% R compost and 100% R synthetic fertilizer nourished.Key words: celery, compost, N, P, K fertilizer, harvest ﬂesh weight

EFFICACY OF SEVERAL MULTIPLE LIQUID BIOFERTILIZERS ON THE GROWTH AND PRODUCTION OF SWEET CORN (Zea mays L. saccharata) Mutiara Yaumalika; Arifah Rahayu; Sjarif Avitidjadi Adimihardja
JURNAL AGRONIDA Vol. 3 No. 1 (2017)
Publisher : Universitas Djuanda Bogor

This study was aimed at assessing the efficacy of several multiple liquid biofertilizers found in the market on the growth and production of sweet corn. A factorial completely randomized design was used. The first factor was the type of multiple liquid biofertilizers (PHMC) consisting of three levels, namely PHMC 1, PHMC 2, and PHMC 3. The second factor was synthetic fertilizer rates consisting of five levels, namely 0, 25, 50, 75, and 100% of recommended rate (R). Results showed that the application of PHMC 3 combined with synthetic fertilizer treatments (05 R and 25% R) significantly increased stem diameter (8 WAP). Plants treated with PHMC 3 application were found to have significantly higher number of leaves than those treated with PHMC 2 application at 6 WAP. Plant height, number of leaves, and weight, length, and circumference of main cob of plants treated with 50%R synthetic fertilizer were higher than those of plants treated with 0%R and 25%R synthetic fertilizer. Meanwhile, plants treated with 75%R synthetic fertilizer were found to have better values for girth, leave width, flowering time, harvesting time, number of cobs, dry weight of shoots and roots, grain total soluble solids (TSS) content, and cobs weight than those of plants treated with 0, 25, and 50%R synthetic fertilizer. Key words: sweet corn, multiple liquid biofertilizers, TSS, synthetic fertilizer.

GROWTH AND PRODUCTION OF POHPOHAN {Pilea melastomoides (Poir.) Wedd.} DAN REUNDEU (Staurogyne elongate Kuntze) AND ON VARIOUS SHADING LEVELS Intan Apriani Sutandi; Arifah Rahayu; Nur Rochman
JURNAL AGRONIDA Vol. 3 No. 1 (2017)
Publisher : Universitas Djuanda Bogor

This study was aimed at assessing the effects of shade on the growth, productivity of indigenous vegetables pohpohan and reundeu. A split-plot design was used. The main plot was shade treatments consisting of four levels, namely 0% (no shade), 25%, 50%, and 75%. The subordinate plot was the seed origins, namely Sukabumi, Cianjur, and Bogor. The arrangement of the main and sub plots was done based on a completely randomized design. Results showed that in pohpohan increased plant height was found in 50% shade treatment, while leaf length and width was found to be increased in shade treatment up to 75%. Leaf length and width of pohpohan plants of Bogor origin were higher than those of pohpohan plants of Cianjur and Sukabumi origins. In reundeu plants, no effects of shade treatments were found in all variables measured. Reundeu plants of Bogor and Cianjur origin were found to be superior in plant height, leaves number, length, and width, and fresh and dry weight. Pohpohan plants were potential to be grown under shades. Key words: seed origin, plant height, pohpohan, reundeu, Bogor

DISTRIBUTION OF PUMMELO {Citrus maxima (Burm.) Merr.} ACCESSIONS IN MAGETAN REGENCY Rizky Yora; Arifah Rahayu; Wini Nahraeni; Nur Rochman
JURNAL AGRONIDA Vol. 3 No. 1 (2017)
Publisher : Universitas Djuanda Bogor

Pummelo plants in Magetan Regency were found to spread over several villages and their accessions have their own morphological and chemical characteristics. This study was aimed at assessing the distribution and the number of pummelo accessions in Magetan Regency. The study was conducted in Magetan Regency East Java from May to July 2015. Observation was conducted on distribution marking and accession characteristics by using a survey method. Results showed that the accessions of pummelo plants grown by farmers in Tambak Mas Village were varied but they were not evenly distributed. Meanwhile, pummelo plants grown by farmers in Dukuh Village had uniform accessions with uneven distribution. Results of field observation obtained 13 pummelo accesions, namely Adas Duku, Adas Nambangan, Bali Putih, Bali Merah 1, Bali Merah 2, Gulung 1, Gulung 2, Gulung 3, Magetan, Jawa 1, Jawa 2, Jawa 3, dan Sri Nyonya. The most commonly pummelo accessions found in Tambak Mas Village were Adas Nambangan and Adas Duku. Meanwhile the most accessions planted in Bendo Village were Adas Duku and Sri Nyonya. Key words: pummelo, Adas Nambangan, Tambak Mas, Dukuh, survey method

PERTUMBUHAN DAN PRODUKSI TANAMAN KENIKIR (Cosmos caudatus Kunth.) PADA BERBAGAI TINGKAT NAUNGAN Revianto Revianto; Arifah Rahayu; Yanyan Mulyaningsih
JURNAL AGRONIDA Vol. 3 No. 2 (2017)
Publisher : Universitas Djuanda Bogor

This study was aimed at assessing the effects of shade (paranet) on the growth and production of kenikir (Cosmos caudatus). The study was conducted from April to September 2016 at the Agrotechnology Trial Farm of Djuanda University, Bogor. A split plot completely randomized design was used with shade levels, namely 0 (no shade), 25, 50, and 75% as the main plot and places of origin, namely Bogor, Cianjur, and Sukabumi as the sub plot. Results showed that 50 and 75% shades at 8 weeks after planting (WAP) significantly decreased plant height, leave length, stem diameter, harvest fresh weight and harvest dry weight. Leaf width of kenikir was found to be higher. Number of leaves of kenikir of Sukabumi and Cianjur origins was higher than that of Bogor origin. Chlorophyl content of kenikir of Cianjur origin was higher than that of Sukabumi and Bogor origins. However, biomass yield harvested from all acessions was not different. Key words: chlorophyl content, plant origin, harvest yield.

MORPHOLOGICAL AND CHEMICAL CHARACTERISTICS OF VARIOUS PUMMELO (Citrus maxima (Burm.) Merr.) ACCESSIONS FROM MAGETAN REGENCY Arifah Rahayu; Wini Nahraeni; Nur Rochman; Rizki Yora Ardiansyah
JURNAL AGRONIDA Vol. 3 No. 2 (2017)
Publisher : Universitas Djuanda Bogor

Magetan Regency was the production centre of pummelo that have many accessions with various morphological and chemical characteristics, but only a few of them were identificated. This study was aimed at identifying morphological and chemical characteristics of pummelo fruits in Magetan Regency. The study was conducted in the Biology Laboratory of Djuanda University, Bogor from May to July 2015. Results showed with regard to their morphological characteristic, pomelo plants in this region were found to have spheroid and spheroid-pyriform fruits and the weight of their fruit parts, fruit core width, mesocarp thickness, fruit circle before peeling, fruit circle after peeling, number of fruit segments, number of developed seeds, and edible parts of the fruit were varied. Chemical characteristics were also found to be varied with vitamin C content of 29.80−44.66 mg/100g, total soluble solids (TSS) content of 8.10−9.72°Brix, total titratable acidity (TAA) of 0.31−0.53 g/100 ml, and TSS/ TAA ratio of 17.69−28.58. Key words: production centre of pummelo, spheroid, vitamin C, TSS

RESPONSE OF SOYBEAN PLANT TO INOCULATION OF ARBUSCULAR MYCORRHIZAE AND APPLICATION OF PHOSPHORUS FERTILIZER ON ACIDIC SOIL Ilham Fahrizal; Arifah Rahayu; Nur Rochman
JURNAL AGRONIDA Vol. 3 No. 2 (2017)
Publisher : Universitas Djuanda Bogor

The study was aimed at assessing the response of soybean plant (Glycine max L.) to inoculation of arbuscular mycorrhizae and application of phosphorus fertilizer on acidic soil. The study was conducted from February to June 2013. A factorial completely randomized design was used. The first factor was inoculation of mycorrizhae consisting of two levels, namely no inoculation and mycorrizhae inoculation of 10 g/plant. The second factor was the application of phosphorus fertilizer in four levels, namely 0 kg SP-36/ha, 100 kg SP-36/ha, 200 kg SP-36/ha, and 300 kg SP-36/ha. Results showed that soybean plant given no mycorrhizae of 10 g/plant had higher plant height at 3 weeks after planting (WAP) than those given no mycorrhizae. The application of phosphorus fertilizer was found to give significant effects on plant height at 4-7 WAP, number of leaves at 6 WAP, trunk diameter, root length, number of productive branches, fresh and dry weight of roots, fresh and dry weight of root nodes, age at first flowering, number of root nodes, leaf width, pod dry weight, number of one seeded pods and three seeded pods. It was also found that the interaction between inoculation of arbuscular mycorrhizae and application of phosphorus fertilizer gave significant effects on number of leaves at 7 WAP, canopy dry and fresh weight, pod fresh weight, number of two seeded pods, total plant fresh and dry weight, total dry seed weight, number of total pods, and number of seeded pods.Key words: Glycine max L., root nodes, pod dry weight, seeded pods

PENGARUH PUPUK HAYATI MAJEMUK CAIR DAN PUPUK SINTETIK TERHADAP PERTUMBUHAN TANAMAN EDAMAME (Glycine max (L.) Merr) Lukman Fahmi; Arifah Rahayu; Yanyan Mulyaningsih
JURNAL AGRONIDA Vol. 3 No. 2 (2017)
Publisher : Universitas Djuanda Bogor

Fertilizer administration is a way to increase the productivity of edamame plants. Synthetic fertilizer is commonly used in edamame cultivation today. However, excessive use of synthetic fertilizer could reduce soil fertility so that substitution of it with biofertilizer is needed. This study was aimed at assessing the effects of biofertilizer and synthetic fertilizer administration on the growth and production of edamame plants. A completely randomized design in a factorial pattern was used. The first factor was biofertilizer rates consisting of three levels namely no fertilizer (0% R), 5 ml/l (50% R), and 10 ml/l (100% R). synthetic fertilizer was given in five levels consisting of no fertilizer (0% R), 25% recommended rate (urea 37.5 kg/ha, SP-36 37.5 kg/ha, and KCl 25 kg/ha), 50% recommended rate (urea 75 kg/ha, SP-36 75 kg/ha, and KCl 50 kg/ha), 75% recommended rate (urea 112.5 kg/ha, SP-36 112.5 kg/ha, and KCl 75 kg/ha), and 100% recommended rate (urea 150 kg/ha, SP-36 150 kg/ha, and KCl 100 kg/ha).Results showed that plants given biofertilizer by 100% recommended rate had significantly higher height, number of leaves, and fresh and dry root weight in 5 weeks after planting (WAP). Synthetic fertilizer administration by 100% recommended rate gave significantly higher plant height, number of branches, number of leaves, and fresh and dry root weight in 5 weeks after planting (WAP). Interaction of 100% recommended rate of biofertilizer and 100% recommended rate of synthetic fertilizer resulted in significantly higher number of leaves and number of flowers. Keywords: edamame plant. Biofertilizer, synthetic fertilizer

KORELASI DAN ANALISIS LINTAS KARAKTER AGRONOMI KACANG BOGOR (Vigna subterranea L. Verdc.) Yusuf Bachtiar; Yuliawati; Setyono Setyono; Arifah Rahayu
JURNAL AGRONIDA Vol. 6 No. 2 (2020)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jag.v6i2.3353

Upaya perbaikan daya hasil kacang bogor dapat dilakukan melalui program pemuliaan tanaman dan salah satu langkah pentingnya adalah kegiatan seleksi. Seleksi dapat berjalan efektif apabila diketahui keeratan hubungan atau korelasi antara karakter yang dituju dengan karakter lain sebagai penduga. Keeratan hubungan antar karakter komponen hasil dengan karakter hasil kacang bogor dapat diduga menggunakan analisis korelasi dan pengaruh langsung serta pengaruh tidak langsungnya dapat diketahui melalui analisis lintas. Penelitian ini bertujuan untuk mencari komponen penentu daya hasil kacang bogor berdasarkan nilai korelasi, pengaruh langsung, dan pengaruh tidak langsung menggunakan analisis lintas. Penelitian dilaksanakan pada pada Februari-Juni 2018 di kebun percobaan SEAMEO BIOTROP Tajur, Kota Bogor, Jawa Barat (± 280 m dpl). Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok (RAK) dengan 31 perlakuan galur lanras asal Sukabumi. Hasil penelitian menunjukkan bahwa karakter agronomi jumlah cabang berkorelasi positif terhadap bobot polong basah dan bobot polong kering kacang bogor. Karakter agronomi yang berpengaruh langsung positif dan nyata pada taraf 5% terhadap bobot polong basah dan bobot polong kering adalah jumlah polong total dan jumlah cabang, sedangkan karakter agronomi jumlah daun berpengaruh tidak langsung yang paling besar terhadap bobot polong basah dan bobot polong kering. Karakter jumlah polong total dan jumlah cabang dapat dijadikan kriteria seleksi yang efektif karena memiliki nilai korelasi dan koefisien lintas yang besar serta nyata terhadap bobot polong basah dan bobot polong kering kacang bogor.

PENAMPILAN AGRONOMI BERBAGAI AKSESI KATUK {Sauropus androgynus (L.) Merr.} PADA DOSIS PUPUK UREA BERBEDA Ulfa Khaerunnisa; Arifah Rahayu; Yanyan Mulyaningsih
JURNAL AGRONIDA Vol. 6 No. 2 (2020)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jag.v6i2.3626

Katuk {Sauropus androgynus (L.) Merr} is a leafy vegetable which requires nitrogen for itsvegetative growth. This study was aimed at assessing the agronomic performance of various accessions of katuk vegetable grown with different rates of urea fertilizer administration. A completely randomized design with two factors was used. The first factor was katuk accessions consisting of Sukaraja Sukabumi, Cugenang Cianjur, and Kemang Bogor. The second factor was urea fertilizer administration in five rates, namely 0, 33.3, 66.7, 100%, and 133.3% of recommended rate (R). Results showed that katuk plant of Sukabumi accession gave the best plant height and leaflet area. Katuk plant of Cianjur accession had the highest values of plant height, number of buds, yield fresh weight, yield dry weight, and root length. Katuk plant of Bogor accession was found to have the highest fresh root weight. Urea administration of 66.7-133.3% R resulted in katuk plant with the best values of plant height, number of buds, stem diameter. The widest leaf area was found in 100% R urea administration and the highest root weight was found in plants treated with 66.7% R urea administration. The increase of urea fertilizer doses starting from 33.3% R in Cianjur and Bogor katuk accession increased the total harvest wet weight and dry weight, while in Sukabumi accession the significant increase in production was at a dose of 100% R and 133.3% R urea. The increase in vitamin C content was significant in the application of 133.3% R urea fertilizer.

Co-Authors Affandy Sahala Tua Marpaung Dewi, Iswari Saraswati Dona Ramdani Sidiq Ghani Hendrika Hera Herawati Ilham Fahrizal Indah Ayu Lestari Intan Apriani Sutandi Lukman Fahmi M Ginanjar Mutiara Yaumalika Nani Yulianti Nur Rochman Nur Rochman OL Tobing Purwoko, Bambang Sapto Revianto Revianto Rizki Yora Ardiansyah Rizky Yora Setyono Sjarif Avitidjadi Adimihardja Slamet Susanto Sumarni Ulfa Khaerunnisa Wiellda Novia Sania Wini Nahraeni Yanyan Mulyaningsih Yuliawati Yusuf Bachtiar

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