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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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PENGATURAN KERAGAAN TANAMAN PAMELO (Citrus maxima (Burm.) Merr.) DENGAN PEMANGKASAN DAN KOMBINASI PUPUK N, P, DAN K PLANT PERFORMANCE SETTING OF PUMMELO (Citrus maxima (Burm.) Merr.) THROUGH PRUNING AND COMBINING OF N, P, AND K FERTILIZER SlametSusanto, ArifahRahayu
JURNAL PERTANIAN Vol 7, No 1 (2016)
Publisher : Universitas Djuanda Bogor

Tujuan penelitian ialah mengetahui pengaruh pemangkasan dan pemupukan padapertumbuhan tanaman pamelo. Pelaksanaan dilakukan di bulan April hingga November 2014di Kebun Percobaan Agroteknologi Universitas Djuanda Bogor. Rancangan Acak Lengkapdigunakan sebagai rancangan percobaan. Faktor pertama adalah pemangkasan (dipangkas dantidak dipangkas) dan faktor kedua adalah komposisi pupuk yaitu K1 (6,25 g Urea, 3,75g SP-36,2,5g KCl), K2 (6,25g Urea, 5,62 g SP-36, 3,7 g KCl), K3 (6,25 g Urea, 7,5 g SP-36, 5,00 g KCl), K4(6,25 g Urea, 7,5 g SP-36, 6,25g KCl) per aplikasi. Hasil penelitian menunjukkan penambahandosis terhadap pupuk SP-36 dan KCl pada tanaman yang tidak dipangkas meningkatkan tinggitanaman dan kandungan nitrogen daun. Sementara itu, kandungan fosfor daun pada tanamanyang tidak dipupuk cenderung lebih tinggi. Tanaman pamelo yang dipupuk menghasilkan luasdan jumlah daun, serta volume tajuk lebih besar dibanding dengan yang diberi pupuk.Tanaman yang dipangkas daunnya lebih sedikit, tetapi kandungan kalium daun lebih besardaripada yang tidak dipangkas.Kata kunci: luas daun, pamelo, pemangkasan, pupuk.

Karakterisasi Morfologi dan Isoenzim Aksesi Pamelo [Citrus maxima (Burm.) Merr.] Berbiji dan Tidak Berbiji {Morphological and Isoenzyme Characterization of Seeded and Seedless Pummelo [Citrus maxima (Burm.) Merr.] Accessions} Rahayu, Arifah; Susanto, Slamet; Purwoko, Bambang Sapto; Dewi, Iswari Saraswati
Jurnal Hortikultura Vol 27, No 1 (2017): Juni 2017
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v27n1.2017.p11-22

Penelitian ini bertujuan untuk mengevaluasi karakter morfologi dan biokimia dengan isoenzim aksesi pamelo berbiji dan tidak berbiji asal Sumedang, Kudus, Pati dan Magetan. Karakter morfologi yang berperan dalam pengelompokan aksesi pamelo adalah tebal epikarp, pinggiran helai daun, panjang kantong jus, warna kulit buah masak, lebar sayap daun dan bentuk buah, sedangkan karakter isoenzim adalah MDH (Rf 0.11 dan 0.14) dan ACP (Rf 0.24 dan 0.33). Pita ACP Rf 0.24 dapat dijadikan penanda untuk membedakan aksesi berbiji dan tidak berbiji.Â Dendrogram berdasarkan karakter morfologi memisahkan kelompok aksesi berbiji dan tidak berbiji pada koefisien kemiripan 0.63, dan berdasarkan isoenzim pada koefisien kemiripan 0.49. Dendrogram berdasarkan karakter morfologi dan isoenzim dapat membedakan antara aksesi berbiji, potensial tidak berbiji dan tidak berbiji. Hasil pemetaan komponen utama kongruen dengan dendrogram, yaitu dapat memisahkan aksesi berbiji maupun tidak berbiji, berdasarkan karakter morfologi, isoenzim maupun kombinasinya.KeywordsCitrus maxima (Burm.) Merr.; Morfologi; Isoenzim; Asam fosfatase; Koefisien kemiripanAbstractIndonesia has many pummelo accessions with various shape, size, color, taste, and seeds number of fruit. Up to now characters that can distinguish seeded and seedless pummelo accessions are not yet known well. The objective of this work was to evaluate morphological and biochemical (isoenzyme) characters of seeded and seedless pummelo accessions originated from Sumedang, Pati, Kudus, and Magetan. Morphological identification used vegetative and reproductive component of pummelo tree, based on IPGRI descriptor list. Isoenzyme analysis was done by using young leaves and esterase (EST), malate dehydrogenase (MDH), peroxidase (PER), acid phosphatase (ACP), as well as glutamate oxaloasetate transaminase (GOT) isoenzymes. Morphological characters that contributed in grouping pummelo accessions were epicarp thickness, leaf lamina margin, vesicle length, epicarp color, petiole wing width and fruit shape, while isoenzyme characters were MDH (Rf 0.11 and 0.14) and ACP (Rf 0.24 and 0.33). Fruit shape (pyriform), fruit axis (hollow), seeds number (<10) per fruit, and ACP band at Rf 0.24 could be used as marker to differentiate seeded and seedless pummelo accessions. Separation between seeded and seedless accessions can be done based on morphological characters occured at similarity coefficient of 0.63 while on isoenzyme characters occured at similarity coefficient of 0.49. Dendrogram based on combined morphological and isoenzyme data was able to differentiate seed bearing and seedless pummelo accessions. Principal component analysis results was congruent with that of morphological, isoenzyme, and combination of them.

RESPON TANAMAN KATUK (Sauropus androgynus (L.) Merr.) TERHADAP PEMBERIAN BERBAGAI DOSIS PUPUK KCl DAN URINE SAPI. Arifah Rahayu; Nur Rochman; Hera Herawati
Jurnal Pertanian Presisi (Journal of Precision Agriculture) Vol 3, No 2 (2019): Jurnal Pertanian Presisi
Publisher : Universitas Gunadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35760/jpp.2019.v3i2.2303

Katuk (Sauropus androgynus (L.) Merr.) merupakan salah satu tanaman indigenous yang potensial dikembangkan, karena memiliki kandungan vitamin, mineral dan zat berkhasiat yang tinggi. Upaya pengembangan tanaman katuk, antara lain dilakukan melalui pemupukan yang ramah lingkungan. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk KCl dan urine sapi terhadap pertumbuhan dan produksi tanaman katuk. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) yang terdiri atas dua faktor yaitu dosis pupuk KCl dan dosis urine sapi yang difermentasi. Dosis pupuk KCl dan urine sapi terdiri atas empat taraf, yaitu 0 % R (rekomendasi), 33% R, 67% R dan 100% R. Pemberian pupuk urine sapi hingga 100% R tidak berpengaruh terhadap tinggi tanaman, jumlah tunas, luas anak daun, dan kandungan klorofil daun, namun sebaliknya pemberian urine sapi dapat meningkatkan jumlah daun, jumlah anak daun, panjang tunas dan bobot segar panen pertama. Aplikasi berbagai dosis pupuk kalium cenderung tidak menunjukkan pengaruh yang konsisten terhadap komponen pertumbuhan, produksi dan kandungan klorofil daun katuk, kecuali pada jumlah anak daun.

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

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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