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INDONESIA
Jurnal Hortikultura
Published by Kementerian Pertanian
ISSN : 08537097     EISSN : 25025120     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Hortikultura (J.Hort) memuat artikel primer yang bersumber dari hasil penelitian hortikultura, yaitu tanaman sayuran, tanaman hias, tanaman buah tropika maupun subtropika. Jurnal Hortikultura diterbitkan oleh Pusat Penelitian dan Pengembangan Hortikultura, Badan Litbang Pertanian, Kementerian Pertanian. Jurnal Hortikultura terbit pertama kali pada bulan Juni tahun 1991, dengan empat kali terbitan dalam setahun, yaitu setiap bulan Maret, Juni, September, dan Desember.
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Search results for , issue "Vol 16, No 3 (2006): September 2006" : 18 Documents clear
Pengaruh Enzim Organik Campuran terhadap Kualitas Bibit Bawang Daun dalam Penyimpanan Soedomo, Raden Prasodjo
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Kebiasaan penanaman bawang daun oleh petani di Indonesia menggunakan anakan, induk, dan hampir tidak ada yang menggunakan biji. Pengiriman bibit ke luar daerah sering mengalami kerusakan sebelum sampai ke tempat tujuan. Percobaan ini bertujuan mengetahui pengaruh enzim organik campuran guna mengetahui pengaruhnya terhadap daya simpan bibit bawang daun. Percobaan dilakukan di Laboratorium Teknologi Benih Balai Penelitian Tanaman Sayuran di Lembang (1.250 m dpl), Jawa Barat, pada bulan Agustus sampai Desember 2005 untuk penyimpanan dan di lapangan untuk tes pertumbuhan. Penelitian menggunakan rancangan acak lengkap untuk di laboratorium dan acak kelompok untuk di lapangan, dengan model rancangan petak-petak terpisah dengan 3 ulangan. Kombinasi perlakuan ada 24, rincian perlakuan terdiri atas media simpan (petak utama): A (A1= pembanding/tanpa menggunakan media/kering, A2=kontrol/menggunakan air, A3=Dufic 0,1 ml/l air, A4=Dufic 0,2 ml/l air), ukuran bibit (anak petak): B (B1=super/ panjang batang palsu >15 cm dan diameternya >15 mm, B2=medium/panjang batang palsu 10-15 cm, dan diameter batang 10-15 mm dan B3=kecil atau pendek/panjang batang palsu <10cm, dan diameter batang <10 mm), lokasi penyimpanan (anak-anak petak): C (C1=tempat terbuka/greenhouse, C2=tempat tertutup/Laboratorium Benih). Hasil percobaan menunjukkan bahwa bibit bawang daun dapat disimpan maksimum 6 hari dengan syarat batangnya tidak terendam larutan Dufic 508 dosis 0,1 ml/l air dan bibit yang ukurannya besar mampu menstimulir aktivasi metabolisme sel dalam bentuk rendahnya kerusakan bibit dan berpengaruhnya terhadap partumbuhan tinggi tanaman. Interaksi perlakuan terbaik adalah penggunaan Dufic 508 dosis 0,1 ml/l air dan ukuran bibit super yang disimpan di dalam ruangan tertutup.ABSTRACT, Soedomo, R.P. 2006. The effect of organic enzyme mixture on bunching onions planting material quality in storage. Commonly Indonesian farmers use sucker of bunching onion as a planting material and never use seeds. Planting material transportation outside region encountered damages before reached the destination. The objective of this trial was to determine the effect of mixture of organic enzyme (Dufic 508) on bunching onions planting material storage quality. The experiment was carried out in the laboratory of Seed Technology and in the field of Indonesian Vegetable Research Institutes (1,250 m asl), West Java, from August to December 2005. The experimental design was a RBD for seed laboratory study and a RCBD for field test, a split split plot design with 3 replications. The treatment combinations were: keeping media (main plot) (A1=standard/without media/dry, A2=control/used water, A3=Dufic 0.1 ml/l of water, A4=Dufic 0.2 ml/1 of water), B. Planting material size (subplot) (B1=super/length of stem >15 cm and diameter > 15mm, B2 = Medium/length of stem 10-15 cm and diameter 10-15 mm, B3=small or short/stem <10 cm and diameter <10 mm), C. Storage (subsubplot) (C1=open storage/greenhouse, C2=close storage in the seed laboratory). The results showed that the planting material of bunching onion could be kept maximum for 6 days with unsoaked stem, Dufic 508 dosage 0.1 ml/1 liter of water in combination with super size of planting material could stimulate metabolism activation of plant cells described by decreasing of planting material damages and increasing of plant height. Interaction between Dufic 508 with dosage 0.1 ml/l of water, super size of planting material and keep in closed storage was the best.
Optimalisasi Cara, Suhu, dan Lama Blansing sebelum Pengeringan pada Wortel Asgar, Ali; Musaddad, Darkam
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Penelitian bertujuan mengetahui cara, suhu, dan lama blansing yang optimum sebelum pengeringan wortel. Penelitian dilakukan dari Oktober sampai dengan November 2004. Metode penelitian yang digunakan adalah metode eksperimen di laboratorium menggunakan rancangan kelompok pola petak terpisah. Petak utama yaitu cara blansing menggunakan air dan uap. Anak petak yaitu kombinasi suhu dan lama blansing yang terdiri dari (1) suhu 65°C selama 15 menit, (2) 65°C selama 30 menit, (3) 75°C selama 10 menit, (4) 75°C selama 20 menit, (5) 85°C selama 5 menit, dan (6) 85°C selama 10 menit. Hasil penelitian menunjukkan bahwa produk wortel kering yang terbaik yaitu hasil blansing menggunakan air dengan suhu 85°C selama 10 menit (1,533 = sangat disukai) dan berbeda nyata dengan perlakuan lainnya. Perlakuan tersebut mempunyai kadar air 7,53%, rendemen 9,27%, rasio rehidrasi 340,83%, vitamin C 68,55 mg/100 g, dan β-karoten 0,197%.ABSTRACT. Asgar, A. and D. Musaddad, 2006. Optimizing of method, temperature, and time of blanching for processing of dried carrot. The purpose of this research was to find out the method, temperature, and time of blanching on the characteristics of dehydrated carrot. The research was conducted from October to November 2004. The research was arranged in a split plot design with 2 x 6 factorial and, 3 replications. Main plot consisted of steam blanching and water blanching. Subplot consisted of temperature and time of blanching (1) 65°C for 15 minutes, (2) 65°C for 30 minutes, (3) 75°C for 10 minutes, (4) 75°C for 20 minutes, (5) 85°C for 5 minutes, and (6) 85°C for 10 minutes. The results of this research showed that dried carrot processed using water blanching at 85°C for 10 minutes was the best, with the properties of dried carrot were 7.53% moisture, 9.27% dry matter, 340.83% rehydration ratio, 68.55 mg/100 g ascorbic acid, and 0.197% β-caroten.
Virulensi dan Ras Ralstonia solanacearum pada Pertanaman Kentang di Kecamatan Pangalengan, Kabupaten Bandung, Jawa Barat Gunawan, oni Setiani
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Tujuan penelitian mengetahui virulensi dan ras bakteri patogen Ralstonia solanacearum, pada pertanaman kentang di Kecamatan Pangalengan, Kabupaten Bandung, Jawa Barat. Penelitian dilaksanakan pada bulan Januari-Desember 2001 di 83 lokasi dari 13 desa. Pengumpulan sampel tanah, tanaman, dan umbi kentang menggunakan metode Kiraly. Pengujian NCM Elisa dengan metode Sylvie Priouw. Kemampuan R.solanacearum mengoksidasi 6 karbohidrat dan uji patogenisitas menggunakan metode AVRDC. Hasil penelitian menunjukkan bahwa isolat R. solanacearum mempunyai sifat virulensi yang berbeda. Hasil uji patogenisitas bakteri ini sangat virulen pada famili solanaceae tomat dan kentang tetapi kurang virulen pada tanaman cabai, jahe, dan terung. Hasil uji kemampuan bakteri dalam mengoksidasi 6 jenis karbohidrat menunjukkan bahwa semua isolat yang dikoleksi dari 13 desa tergolong dalam 2 grup, yaitu bakteri ras 1 biovar III yang berasal dari sampel tanah dan ras 3 biovar II untuk bakteri yang dikoleksi dari sampel tanaman dan umbi kentang.ABSTRACT. Gunawan, O.S. 2006. Race and virulence of Ralstonia solanacearum in potato growing at Pangalengan,West Java. Research was conducted on January-December 2001. Samples of soil, infected plants, and tuber of potato were collected from 83 sites in 13 villages using the Kiraly method. Nitro cellular membrane Elisa test was done using Sylvie Priouw (1996) method. The ability of R. solanacearum to oxydize 6 kinds of carbohydrates and pathogenicity test were done by AVRDC method. The results shown that virulence of R. solanacearum isolates were different among locations. Pathogenicity test of those bacteria shown high virulence in solanaceae family such as tomatoes and potatoes but less virulence in pepper, eggplant, and ginger. Based on the ability of bacteria to oxydize 6 kinds of carbohydrates, all isolates collected from 13 villages were belong to 2 groups, i.e. ras 1 biovar III from soil samples, and race 3 biovar II from plants and potato tubers.
Evaluasi Bahan Carrier dalam Pemanfaatan Jamur Entomopatogen, Beauveria bassiana (BALSAMO) Vuillemin untuk Mengendalikan Hama Penggerek Bonggol Pisang, Cosmopolites sordidus GERMAR Hasyim, Ahsol
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Penelitian ini dilaksanakan di Laboratorium Hama Balai Penelitian Tanaman Buah Tropika, Solok, dari Juli sampai Desember 2002. Penelitian bertujuan mengetahui bahan carrier terbaik dalam pemanfaatan Beauveria bassiana untuk mengendalikan hama penggerek bonggol pisang, Cosmopolites sordidus GERMAR. Penelitian ditata dalam rancangan acak lengkap, dengan 7 perlakuan dan 3 ulangan. Perlakuan terdiri dari 6 bahan carrier, yaitu tepung jagung, tepung beras, talk, tepung maizena, minyak Sania, air, dan kontrol (konidia kering). Hasil penelitian menunjukkan bahwa tepung beras merupakan carrier yang paling baik dalam pemanfaatan B. bassiana dan menyebabkan mortalitas hama penggerek bonggol paling tinggi dibandingkan dengan carrier minyak Sania yang menyebabkan mortalitas paling rendah. Mortalitas hama penggerek bonggol C. sordidus yang paling tinggi yakni 90% diperoleh jika menggunakan B. bassiana dengan tepung beras sebagai carrier pada batang semu pisang. Sedangkan B. bassiana yang diaplikasikan pada batang pisang semu dengan menggunakan minyak atau air hanya dapat menyebabkan mortalitas hama penggerek bonggol paling rendah, yaitu berkisar antara 61-65%. Nilai LT50 dan LT95 dari bahan carrier tepung beras adalah 12,93 hari dan bahan carrier minyak adalah 23,34 hari. Hasil penelitian ini memperlihatkan bahwa bahan carrier berbentuk tepung dapat mempertinggi kemampuan jamur entomopatogen, B. bassiana dalam mengendalikan hama penggerek bonggol pisang, C. sordidus.ABSTRACT. Hasyim, A. 2006. Evaluation of carrier materials for Beauveria bassiana (Balsamo) Vuillemin to control banana corm borer, Cosmopolites sordidus GERMAR. The experiment was conducted at Entomological Laboratory, Indonesian Tropical Fruit Research Institute from July to Desember 2002. The objective of the study was to determine the best carrier for B. bassiana to control banana weevil borer, C. sordidus GERMAR. A randomized completely design with 7 treatments and 3 replications were used. Treatments consisted of 6 carriers, such as corn powder, talc, rice powder, maizena powder, Sania oil, water, and control (dry conidia). The results showed that rice powder was the best carrier for B. bassiana and caused highest mortality of banana corm borer. Whereas Sania oil carrier gave the lowest mortality of banana corm borer. The highest mortality of adult banana weevil borer, C. sordidus obtained when B. bassiana was exposed using rice powder carrier on pseudostem, which was 90%. While the B. bassiana exposed at liquid carrier of oil or water carrier on pseudostem, caused the lowest mortality of C. sordidus by 61 and 65%, respectively. The value of LT50 and LT95 from rice powder was lowest (12.93 days) and oil carrier was highest (23.34 days). The results demonstrated that powder as a carrier can enhance the efficacy of the insect pathogenic fungus B. bassiana against banana weevil borer, C. sordidus.
Pengendalian Lalat Pengorok Daun pada Tanaman Kentang Menggunakan Pestisida Biorasional Dirotasi dengan Pestisida Sintetik secara Bergiliran Suryaningsih, Euis
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Percobaan lapang telah dikerjakan di kebun percobaan Margahayu (elevasi 1250 m dpl.), Lembang, Bandung, Jawa Barat dari bulan Agustus sampai November 2002, dengan tujuan mencari metode pengendalian alternatif terhadap lalat pengorok daun Liriomyza huidobrensis pada tanaman kentang. Percobaan digelar menggunakan rancangan acak kelompok dengan 7 perlakuan, ulangan 4 kali. Pestisida biorasional Phrogonal (866) diaplikasikan baik secara tunggal maupun diselang-seling (digilir) dengan pestisida sintetik Pyrethroid 2,5 EC 0,2% dengan skema rotasi yang bervariasi untuk mengendalikan L. huidobrensis pada kentang. Phrogonal (866) adalah campuran ekstrak kasar dari Tephrosia candida 8 bagian berat (bb) + Andropogon nardus 6 bb + Alpinia galanga 6 bb. Hasil percobaan memberi indikasi bahwa pestisida biorasional Phrogonal (866) diaplikasikan secara tunggal 8 kali berkesinambungan selama periode budidaya kentang terbukti paling efektif mengendalikan lalat pengorok daun L. huidobrensis. Meskipun begitu, apabila Phrogonal tersebut diaplikasikan berselang-seling dengan pestisida sintetik Pyrethroid 2.5 EC 0.2% dengan skema yang bervariasi, efikasi dari perlakuan tersebut sama efektifnya dengan aplikasi Pyrethroid 2.5 EC 0,2% tunggal 8 kali berkesinambungan. Hasil penelitian ini sangat mendukung penemuan sebelumnya bahwa pestisida biorasional Phrogonal (866) adalah pestisida yang sangat efektif dan dapat menggantikan pestisida sintetik dalam upaya mengurangi aplikasi berlebihan dari barang beracun tersebut.ABSTRACT. Suryaningsih, E. 2006. The control of leafminer fly on potato using biorational pesticide rotated with synthetic pesticide alternately. In order to determine an alternative control method of leafminer fly Liriomyza huidobrensis on potatoes, a field experiment was carried out at Margahayu research station (elevation 1,250 m), Lembang, Bandung, West Java from August to November 2002. The experiment was set up in a randomized block design with 7 treatments, and 4 replications. Biorational pesticide Phrogonal (866) was applied singly or alternated with synthetic pesticide Pyrethroid 2.5 EC 0.2%, with varied rotation to control L. huidobrensis on potato. Phrogonal (866) was simply crude extract mixture of Tephrosia candida 8 weight parts (wp) + Andropoghon nardus 6 wp + Alpinia galanga 6 wp respectively. Detail explanation of the treatments were presented elsewhere. The results of the experiment indicated that biorational pesticide Phrogonal (866) when applied singly eight times continuously during the periode of potato cultivation was found to be the most effective to control leafminer fly L. huidobrensis. However, when Phrogonal (866) was applied alternately with synthetic pesticide Pyrethroid 2.5 EC in varied schemes, the efficacy of those treatments were as effective as Pyrethroid 2.5 EC 0.2% applied singly eight times continuously as well. The results of this experiment strongly support previous findings that biorational Phrogonal (866) is a very effective pesticide and was able to replace synthetic pesticides in order to reduce the excessive application of this toxic material.
Tingkat Kematangan Panen Buah Nenas Sampit untuk Konsumsi Segar dan Selai Diharjo, Sabari Sosro; Suyanti, -; Sunarmani, -
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Nenas Sampit dari Kalimantan Tengah merupakan nenas bermutu terbaik dan dikenal luas. Penelitian ini dilaksanakan dengan tujuan mendapatkan tingkat kematangan optimum nenas Sampit untuk konsumsi segar dan pembuatan selai nenas. Nenas Sampit dipanen pada 6 tingkat kematangan, yaitu tua, breaker, breaker 25% matang, >25-50% matang, >50-75% matang, dan >75% matang. Nenas dipanen dari sentra produksi nenas di Sampit dan diangkut dengan mobil ke Palangkaraya serta dilanjutkan dengan pesawat terbang ke Jakarta. Hasil penelitian menunjukkan bahwa nenas Sampit untuk konsumsi segar dapat dipanen pada >breaker-25% matang dengan daging buah 69,92% dan nisbah PTT/asam 18,9. Buah segar tahan disimpan selama 4 hari pada kondisi kamar dan 6 hari pada suhu 150C. Sebagai dasar selai, nenas dapat dipetik pada >breaker-25% matang dan diproses menjadi selai dengan penambahan 65% gula dan 2% asam sitrat. Dengan formula di atas, rendemen selai mencapai 67,30% dengan kualitas baik yang ditunjukkan dengan skor warna dan rasa masing-masing 3,37 dan 3,95. Untuk keperluan industri, menyimpan hancuran daging buah nenas lebih menguntungkan karena tahan simpan selama 30 hari pada suhu 150C. Untuk menjaga mutu dan percepatan proses pemasakan dan meningkatkan rendemen, pencampuran gula dilakukan pada saat 20% air telah diuapkan dan penggunaan 0,5% pektin dalam adonan.ABSTRACT. Sabari, S.D., Suyanti, and Sunarmani. 2006. Maturity of Sampit pineapple for table fruit and jam. Sampit pineapple was a welknown pineapple cultivar produced in Central Kalimantan Province due to its best quality. A study was conducted to determine the proper maturity of pineapple for table fruit as well as for jam. Sampit pineapple cultivar was picked at 6 maturities based on the yellow color development as sign of the ripeness, i.e. breaker, >breaker-25% ripen, >25-50% ripen, >50-75% ripen, and >75% ripen. Harvested pineapple was transported by car from Sampit District to Palangkaraya and continued by plane to Jakarta. The results indicated that as table fruit the pineapple could be harvested at >breaker-25% ripe with 69.92% of flesh and TSS acidity ratio of 18.9. The fresh pineapple stood for 4 days at ambient condition and for 6 days at 150C of storage. For pineapple jam, the proper fruit maturity was at >breaker-25% ripen. At such ripeness, the best jam quality was achieved by the formula of 65% sugar and 2% citric acid, as indicated by 67.30% of rendemen and good quality shown by score of color and taste of 3.37 and 3.95, respectively. The crushed pineapple flesh maintain its quality for 30 days stored at 150C. To improve jam quality, less prosessing time and higer rendemen, the sugar used for jam processing was added at the time when 20% of water was evaporated and the addition of 0.5% pectin
Pengaruh Jenis Kemasan dan Daya Simpan Umbi Bibit Bawang Merah terhadap Pertumbuhan dan Hasil di Lapangan Soedomo, Raden Prasodjo
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Dalam pengiriman umbi bibit bawang merah ke suatu daerah, seringkali mengalami kendala di dalam sistem kemasan, sehingga ketika bibit sampai ke lokasi, umbi bibit banyak yang rusak sebelum ditanam, karena serangan penyakit. Penelitian ini bertujuan mengetahui jenis bahan pengemas yang terbaik guna memperpanjang daya simpan umbi bibit bawang merah dan dampaknya terhadap pertumbuhan dan hasil di lapangan. Percobaan dilakukan di Laboratorium Benih dan uji pertumbuhan di lapangan Balai Penelitian Tanaman Sayuran, Lembang (1.250 m dpl), pada bulan Oktober 2004–Februari 2005. Penelitian di lapangan selanjutnya untuk observasi terhadap penampilan umbi bibit. Menggunakan rancangan acak lengkap untuk penelitian di penyimpanan dan rancangan acak kelompok untuk uji lapangan, dengan model rancangan petak terpisah, terdiri atas 4 ulangan dan 7 perlakuan, yaitu (1) kantong plastik + batu kapur (CaCO3), (2) kantong plastik + batu kapur (CaCO3) + O2, (3) kantong plastik + Aquastore, (4) kantong plastik + Aquastore + O2, (5) rajut plastik, 6) kantong kertas semen + batu kapur (Ca CO3), dan (7) kantong kertas semen + Aquastore. Hasil menunjukkan bahwa jenis pengemas jaring plastik adalah yang terbaik dengan kerusakan 12%, daya simpan mencapai 45 hari, persentase yang tumbuh di lapangan 96,0%, jumlah anakan 8,20 dan tinggi tanaman pada umur 14, 28, 42, dan 56 hst masing-masing adalah 12,70, 22,2, 27,50, dan 33,10 cm. Bobot umbi per rumpun basah dan kering masing-masing 120,5 dan 84,83 g. Pengemas dalam kondisi tertutup yang dapat dipergunakan adalah kertas semen, baik menggunakan bahan penyerap batu kapur maupun Aquastore dengan nilai kerusakan di penyimpanan masing-masing adalah 13,0 dan 15,5%, daya simpan masing-masing 52,0 hari, daya serap kelembaban mencapai 42,28 dan 516,0%. Persentase yang tumbuh di lapangan 96,6 dan 98,4%, jumlah anakan 7,95 dan 8,10, tinggi tanaman pada umur 14, 28, 42, dan 56 hst masing masing adalah 12,90, 19,20, 24,40, dan 30,71 cm (penyerap kapur) serta 12,80, 19,30, 24,50, dan 30,66 cm (penyerap Aquastore). Bobot hasil per rumpun basah dan kering 115,0 dan 82,10 g (penyerap kapur) dan 111,0 dan 80,50 g (penyerap Aquastore).ABSTRACT. Soedomo, R.P. 2006. The effect of the packing material on storage life of shallot seedbulbs and its impact to the growth and yield in the field. In the transportation of shallot seedbulb often encounter a lot of damages due to diseases attacked caused by unproper packing material. The objectives of the study were to find out the best packing material to lengthen of keeping quality of shallot seedbulbs and its impact to the growth and yield in the field. The study were conducted at the laboratory and in the field of Indonesian Vegetables Research Institute at Lembang (1,250 m asl) on October 2004 to February 2005. The subsequent planting was done in the research field of the institute to observe the performance of the seedbulbs. The experimental design was CRD for the storage study and RCBD for the field study, with a split plot design. There were 7 treatments with 4 replications. The treatments were (1) polyethylene wrap + CaCO3, (2) polyethylene wrap + CaCO3 + O2, (3) polyethylene wrap + Aquastore, (4) polyethylene wrap + Aquastore + O2, (5) polyethylene plastic net, (6) cement paper bag + CaCO3, and (7) cement paper bag + Aquastore. The results showed that plastic net packing material was the best with seed damages only 12%, stored for 45 days, with growing capacity in field was 96.0%, the plant height at 14, 28, 42, and 56 days after planting (dap) were 12.70 cm; 22.20 cm; 27.50 cm; and 33.10 cm respectively and the number of bulblet was 8.20. The wet-weight and dry-weight of the bulb were 120.5 and 84.83 g respectively. The closed packaging using cement paper, with absorber materials of lime stone or Aquastore indicated that shallot seedbulbs can be stored for 52 days with seed damaged of 13.0 and 15.5% respectively. The capacity to absorb humidity were 42.28% (lime stone) and 5.16% (Aquastore). Growing capacity of seedbulb in the field were 96.6% (lime stone) and 98.4% (Aquastore). Plant height at 14, 28, 42, and 56 dap were, 12.90, 18.20, 24.40, and 30.71 cm (lime stone absorber) and 12.80; 19.30; 24.50 and 39.66 cm (absorber Aquastore) respectively. Number of bulblet 7.95 (lime stone) and 8.10 bulblet (Aquastore). The wet-weight dry-weight of the bulb per plant were 115.0 and 82.10 g (lime stone absorber) and 111.0 and 80.50 g (Aquastore absorber) respectively.
Pengaruh Tanaman Penutup Tanah dan Mulsa Organik terhadap Produksi Cabai dan Erosi Tanah Sumarni, Nani; Hidayat, Aang; Sumiati, Eti
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Masalah utama budidaya cabai di lahan kering pegunungan dengan kemiringan >15° adalah erosi tanah dan pencucian hara sebagai akibat aliran air di permukaan tanah. Salah satu upaya mengatasinya adalah dengan penggunaan tanaman penutup tanah dan mulsa organik. Penelitian ini dilaksanakan di Kecamatan Samarang, Kabupaten Garut, Jawa Barat, dengan tujuan mendapatkan jenis tanaman penutup tanah dan mulsa organik yang cocok untuk penanaman cabai. Penelitian menggunakan strip plot design dengan 4 perlakuan jenis tanaman penutup tanah (tanpa tanaman penutup tanah, kacang jogo, kacang tanah, dan ubi jalar) dan 3 jenis mulsa organik (tanpa mulsa, jerami, dan sisa-sisa tanaman). Masing-masing perlakuan diulang 3 kali. Tanaman penutup tanah dan tanaman cabai ditanam pada waktu bersamaan. Hasil penelitian menunjukkan bahwa penggunaan mulsa jerami dan mulsa sisa-sisa tanaman tidak meningkatkan hasil bobot buah cabai, tetapi meningkatkan jumlah buah cabai masing-masing 6,8 dan 4,0% dan menekan erosi tanah sebesar 34,82%. Tanaman kacang jogo dan kacang tanah sebagai tanaman penutup tanah dapat meningkatkan produksi cabai masing-masing sebesar 11,74 dan 33,91%, dan juga dapat menurunkan erosi tanah masing-masing sebesar 22,41 dan 39,65%. Sebaliknya tanaman penutup tanah ubi jalar dapat menurunkan hasil cabai, tetapi paling efektif untuk menekan erosi tanah, yaitu sebesar 41,38%. Tanaman penutup tanah paling baik untuk penanaman cabai adalah kacang tanah karena dapat memberikan peningkatan hasil cabai paling tinggi (33,91%). Penggunaan tanaman penutup dan mulsa organik yang baik diharapkan dapat mempertahankan keberlanjutan produktivitas lahan.ABSTRACT. Sumarni, N., A. Hidayat, and E. Sumiati. 2006. The effect of cover crops and organic mulches on hot pepper yield and soil erosion. The main problem of hot pepper cultivation in dry upland with slope of >15° is the nutrient leaching and soil erosion due to run-off. One of the efforts to overcome this problem is by utilization of cover crops and organic mulches. The aim of the experiment was to determine the best cover crop and organic mulch in hot pepper cultivation. A strip plot design with 3 replications was used. The treatments were 4 kinds of cover crops (without cover crop, red bean, ground peanut, and sweet potato) and 3 kind of organic mulches (without mulch, rice straw, and plant residues). Cover crops and hot pepper were planted at the same time. Results of the experiment indicated that application of rice straw and plant residues mulches did not affect the yield of hot pepper, but increased the fruit number by 6.8% and 4% respectively, and decreased soil erosion by 34.82%. Using red bean and ground peanut as cover crops could increase hot pepper yield by 11.74 and 33.91%, and also decreased soil erosion by 22.41 and 39.65%, respectively. On the other hand, cover crop of sweet potato decreased the growth and yields of pepper, however, it was the most effective for decreasing soil erosion (41.38%). The best cover crop for cultivating hot pepper was ground peanut which gave the highest increased in yield of hot pepper (33.91%). Application of suitable cover crop and organic mulch can maintain soil productivity.
Formula Larutan Pulsing untuk Bunga Potong Alpinia Yulianingsih, -; Amiarsih, Dwi; Diharjo, Sabari Sorso
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

ABSTRAK. Larutan pulsing merupakan perlakuan yang diberikan pada bunga sebelum pengiriman untuk memberi tambahan sumber energi, dan melindungi tangkai bunga dari masuk dan berkembangnya mikroorganisme penyebab penyumbatan pada batang dan menunda senesensi. Tujuan penelitian adalah memperoleh komposisi larutan pulsing yang tepat dalam upaya memperpanjang masa kesegaran bunga potong Alpinia. Penelitian menggunakan 3 jenis bahan pengawet masing-masing terdiri dari 3 taraf konsentrasi, yaitu gula (10, 20, 30%), AgNO3 (25, 50, 75 ppm), dan thiabendazol (25, 50, 75 ppm). Penelitian dilaksanakan menggunakan rancangan acak lengkap faktorial dengan 3 ulangan. Hasil penelitian menunjukkan bahwa perendaman dalam larutan 20% gula + 50 ppm AgNO3 + 50 ppm thiabendazol (pH 3-4) selama 2 jam memberikan hasil terbaik, dengan masa kesegaran bunga potong mencapai 12,78 hari (6,39 hari lebih lama dibanding tanpa perendaman) dengan persentase pembukaan bractea 42,13%.ABSTRACT. Yulianingsih, D. Amiarsi, and Sabari S. 2006. The effect of pulsing solution on the freshness of alpine cut flower. Pulsing solution is commonly used to prolong vaselife by dipping the flower stems in a solution containing sugars and germicides before delivery in order to serve source of energy and to prevent the plugging of stems by microbial growth. An experiment was conducted to determine the appropriate composition of pulsing solution to prolong vaselife of alpine cut flower. In this experiment, 3 kinds of preservatives at 3 concentrations of pulsing solutions were tested, consisted of 10, 20, 30% sugar, 25, 50, 75 ppm AgNO3, and 25, 50, 75 ppm thiabendazole. The experiment was arranged in a factorial completely randomised design with 3 replications. The results indicated that pulsing solution of 20% sugar + 50 ppm AgNO3 + 50 ppm thiabendazole and dipping periode of 2 hours was the best treatment with vaselife of 12.78 days (6.39 days longer than the control) with bud opening of 42.13%.
Formula Larutan Pulsing untuk Bunga Potong Alpinia - Yulianingsih; Dwi Amiarsih; Sabari Sorso Diharjo
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v16n3.2006.p%p

Abstract

ABSTRAK. Larutan pulsing merupakan perlakuan yang diberikan pada bunga sebelum pengiriman untuk memberi tambahan sumber energi, dan melindungi tangkai bunga dari masuk dan berkembangnya mikroorganisme penyebab penyumbatan pada batang dan menunda senesensi. Tujuan penelitian adalah memperoleh komposisi larutan pulsing yang tepat dalam upaya memperpanjang masa kesegaran bunga potong Alpinia. Penelitian menggunakan 3 jenis bahan pengawet masing-masing terdiri dari 3 taraf konsentrasi, yaitu gula (10, 20, 30%), AgNO3 (25, 50, 75 ppm), dan thiabendazol (25, 50, 75 ppm). Penelitian dilaksanakan menggunakan rancangan acak lengkap faktorial dengan 3 ulangan. Hasil penelitian menunjukkan bahwa perendaman dalam larutan 20% gula + 50 ppm AgNO3 + 50 ppm thiabendazol (pH 3-4) selama 2 jam memberikan hasil terbaik, dengan masa kesegaran bunga potong mencapai 12,78 hari (6,39 hari lebih lama dibanding tanpa perendaman) dengan persentase pembukaan bractea 42,13%.ABSTRACT. Yulianingsih, D. Amiarsi, and Sabari S. 2006. The effect of pulsing solution on the freshness of alpine cut flower. Pulsing solution is commonly used to prolong vaselife by dipping the flower stems in a solution containing sugars and germicides before delivery in order to serve source of energy and to prevent the plugging of stems by microbial growth. An experiment was conducted to determine the appropriate composition of pulsing solution to prolong vaselife of alpine cut flower. In this experiment, 3 kinds of preservatives at 3 concentrations of pulsing solutions were tested, consisted of 10, 20, 30% sugar, 25, 50, 75 ppm AgNO3, and 25, 50, 75 ppm thiabendazole. The experiment was arranged in a factorial completely randomised design with 3 replications. The results indicated that pulsing solution of 20% sugar + 50 ppm AgNO3 + 50 ppm thiabendazole and dipping periode of 2 hours was the best treatment with vaselife of 12.78 days (6.39 days longer than the control) with bud opening of 42.13%.

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