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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Buletin Agrohorti Jurnal Hortikultura Indonesia (JHI)

Endang Gunawan

Pusat Kajian Hortikultura Tropika, Lembaga Penelitian Dan Pengabdian Kepada Masyarakat, Institut Pertanian Bogor (IPB University), Jl. Raya Pajajaran, Bogor 16141, Indonesia

Author-ID : 270852

Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

Published : 6 Documents Claim Missing Document

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Articles

Keragaan Lima Varietas Melon (Cucumis melo L.) dengan Perlakuan Irigasi Cincin di Rumah Kaca Heru Anggara; Willy Bayuardi Suwarno; Satyanto Krido Saptomo; Endang Gunawan; Amalia Nurul Huda; Budi Indra Setiawan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 48 No. 3 (2020): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Perakitan varietas melon unggul baru memerlukan materi genetik yang beragam. Ekspresi keragaman genetik memerlukan lingkungan yang mendukung, salah satunya adalah ketersediaan air bagi tanaman. Penelitian ini bertujuan: (1) mempelajari pengaruh varietas (V), perlakuan irigasi (I), interaksi VxI terhadap karakter melon, (2) mengestimasi komponen ragam dan heritabilitas arti luas karakter melon, (3) mengestimasi produktivitas air dan penggunaan air tiap tanaman melon. Percobaan dilakukan di rumah kaca Kebun Percobaan Cikabayan, Departemen Agronomi dan Hortikultura, Fakultas Pertanian IPB, Darmaga, Bogor, pada bulan September-November 2017 menggunakan rancangan tersarang dengan dua faktor dan lima ulangan. Lima varietas melon (‘Honey Dew’, ‘Honey Blonde’, ‘Brilliant’, ‘Athena’, dan ‘Serenade’) ditempatkan secara acak pada tiap ulangan di dalam tiap taraf perlakuan irigasi (784 L, 1,127 L, dan 1,407 L). Varietas berpengaruh nyata terhadap karakter diameter batang, panjang daun, lebar daun, umur berbunga jantan, umur berbunga hermafrodit, panjang buah dan padatan terlarut total. Perlakuan irigasi tidak berpengaruh nyata terhadap semua karakter tanaman, namun interaksi VxI berpengaruh nyata pada karakter umur panen. Karakter padatan terlarut total dan panjang daun memiliki nilai heritabilitas arti luas >50%. Produktivitas air irigasi adalah 153.7 kg ha-1 mm-1 dan total penggunaan air untuk tiap tanaman pada perlakuan irigasi P1, P2, dan P3 masing-masing adalah 38.58 L, 50.78 L, dan 73.19 L. Kata kunci: heritabilitas, pemuliaan melon, produktivitas air

Penggunaan Benzil Amino Purin (BAP) pada Okulasi Jeruk Keprok (Citrus reticulata) Nur Wahyu Sariningtias; Roedhy Poerwanto; Endang Gunawan
Jurnal Hortikultura Indonesia Vol. 5 No. 3 (2014): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

ABSTRACTMandarins (Citrus reticulata) is one of the important fruit commodity in Indonesia. The problems that often arise in the development is the availability of healthy seedlings and in large numbers. The purpose of this research was to determine the effect of Benzyl Amino Purines (BAP) onthe success of budding and bud growth on the plant mandarins Borneo Prima and Garut Dataran Rendah. This research was conducted at the Pasir Kuda Experimental Farm, Ciomas, Bogor in January to May 2013. This experiment was arranged in a randomized complete block design with two factors of the scions varieties (Borneo Prima and Garut Dataran Rendah) and the concentration of BAP (0, 5, 10, and 15 ppm), repeated 3 times so there were 24 experimental units. The research data was analyzed statistically using F test at 5% and continued with DMRT test at 5%. The results showed that the application of BAP at low concentration on the scions of the two varieties do not give significantly different results in the variable of success of budding and growth of plant shoots.Keywords: bud, cytokinin, nutrition, rootstock, scion ABSTRAKJeruk keprok (Citrus reticulata) merupakan salah satu komoditas buah yang penting di Indonesia. Permasalahan yang sering muncul dalam pengembangan jeruk keprok adalah ketersediaan bibit yang sehat dalam jumlah banyak. Tujuan penelitian ini adalah untuk mengetahui pengaruh pemberian Benzil amino purin (BAP) terhadap keberhasilan okulasi dan pertumbuhan tunas pada tanaman jeruk keprok Borneo Prima dan Garut Dataran Rendah. Penelitian ini dilaksanakan di Kebun Percobaan Pasir Kuda, Ciomas, Bogor pada bulan Januari sampai bulan Mei tahun 2013. Penelitian disusun dalam rancangan kelompok lengkap teracak (RKLT) faktorial dengan dua faktor yakni varietas batang atas (Borneo Prima dan Garut Dataran Rendah) dan konsentrasi BAP (0, 5, 10, 15 ppm), diulang 3 kali sehingga terdapat 24 unit percobaan. Data hasil percobaan dianalisis secara statistika dengan uji F pada taraf nyata 5% dan dilanjutkan dengan uji lanjutan DMRT pada taraf nyata 5% untuk nilai yang berbeda nyata. Hasil penelitian menunjukkan bahwa pemberian BAP dengan konsentrasi rendah pada dua varietas batang atas jeruk keprok tidak memberikan hasil yang berbeda nyata pada peubah keberhasilan okulasi dan pertumbuhan tunas tanaman.Kata kunci: batang atas, batang bawah, nutrisi, sitokinin, tunas

Pelilinan untuk Peningkatan Kualitas Cabai Rawit Varietas Lokal Garut dan Ori 212 pada Penyimpanan Suhu Rendah: Wax Application for Quality Improvement of of Cayenne Pepper Varieties Lokal Garut and Ori 212 at Low-Temperature Storage Erlin Vira Novianti; Darda Efendi; Endang Gunawan
Jurnal Hortikultura Indonesia (JHI) Vol 14 No 3 (2023): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jhi.14.3.169-176

Cayenne pepper has a short shelf life after harvest. Postharvest handling is needed to extend the shelf life and maintain the quality of chili pepper, coating fruit with safe materials for consumption. The coating materials used such as bees wax, carnauba wax, and chitosan. This study aimed to determine the concentration of each different coating material that is effective to extend the shelf life and maintain fruit quality with low-temperature storage. The study used a single factor Randomized Block Design, namely the concentration of coating material. The parameters observed were destructive and non-destructive. Destructive parameters included moisture content and non-destructive parameters included fruit weight loss, visual quality of fruit, the appearance of disease symptoms, fruit rot, and dryness. The results showed that coatings in combination with low-temperature storage could reduce weight loss, maintain visual quality, and inhibit the appearance of disease symptoms. Local Garut variety of cayenne pepper coated with 0.5% beeswax, 0.5% carnauba wax, and 1.5% chitosan, as well as ori 212 cayenne pepper with 0.5% beeswax, 1.5% carnauba wax, and chitosan 2% with low-temperature storage was able to maintain fruit quality for 30 days. Keywords: cayenne pepper, edible coating, storage, postharvest

Seed tuber production of potato from stem cuttings, planting densities, and paclobutrazol concentrations Andi Sri Ummi Kalsum Yulifar; Awang Maharijaya; Agus Purwito; Endang Gunawan; Heri Harti; M. Rahmad Suhartanto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 1 (2024): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v52i1.52685

Rapid multiplication of potato seed using cuttings is a pivotal strategy for ensuring seed availability. This study aimed to elucidate the interactive effects of node number, paclobutrazol concentration, and planting density on seed potato and cutting productions. The study consisted of two experiments. The first experiment evaluated two genotypes (Granola and PKHT-6) with one or two nodes per cutting. The second experiment investigated planting density (one, three, or five plants per polybag) and paclobutrazol concentration (0, 15, 30, and 45 mg L-1). Notably, node number did not significantly influence cutting success, despite genotype-specific and interactive effects on vegetative parameters like plant height, stem diameter, leaf number, and root length. Planting density had no statistically significant impact on all vegetative parameters but demonstrably affected all production parameters. Conversely, paclobutrazol concentration significantly affected all vegetative parameters and influenced all production parameters except tuber weight per plant. From the results of this research, the use of single cutting is more recommended because it will obtain more plant material compared to two-node cuttings. Thus, in a more global context of potato development, this has the potential to increase the production of potato seeds from cuttings twice as much as the current seed production. The use of three plants/polybags is more recommended since it will produce more tuber but not different with five plants, and the use of paclobutrazol 15 mg L-1 is also recommended to increase the number of tubers. In this way, the production costs of G0 potato seeds can be reduced so that the availability of G0 potato seeds will be more guaranteed and affordable. Keywords: Granola; PKHT-6; rapid multiplication; tuber production

Determination of the Best Potassium Extraction Method for Tomato (Solanum lycopersicum L.) on Andisols Endang Gunawan; Anas D. Susila; Atang Sutandi; Edi Santosa
Jurnal Hortikultura Indonesia (JHI) Vol 10 No 3 (2019): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Penetapan rekomendasi dosis kalium (K) berdasarkan uji tanah untuk tanaman tomat pada tanah Andisol belum banyak dikaji di Indonesia. Penelitian diawali dengan pembuatan status hara K tanah di Kebun Percobaan IPB Pasirsarongge Cianjur dilanjutkan dengan uji korelasi di rumah plastik PKHT IPB Tajur Bogor pada Desember 2015 sampai Mei 2016. Tujuan penelitian adalah menetapkan metode ekstraksi K terbaik bagi tanaman tomat di tanah Andisol. Status K tanah dibuat dengan larutan kalium sulfat (K2SO4) sebesar 0, ¼X, ½X, ¾X, dan X dimana X adalah 413.4 kg K ha-1 sebagai dosis K maksimum yang ditambahkan untuk mencapai kadar K maksimum dalam larutan tanah. Larutan K2SO4 disiram merata pada bedengan tanah dan diinkubasi selama 4 bulan. Ekstraksi K tanah menggunakan 5 metode yaitu: Bray 1 (HCl 5N), HCl 25%, Morgan Wolf (NaC2H3O2.3H2O), Mechlich (HCl 0.05N + H2SO4 0.025N) dan NH4OAc (NH4OAc, pH 7). Hasil penelitian menunjukkan adanya perbedaan respon tinggi tanaman, bobot kering biomas, kandungan K tanaman terhadap tingkat status hara K tanah. Pola respon kuadratik ditunjukkan pada tinggi tanaman umur 6 dan 7 minggu setelah tanam, dan bobot kering total. Metode ekstraksi K Andisols terbaik untuk tomat adalah NH4OAc dengan nilai koefisien korelasi (r): 0.75. Kata kunci: biomas, K2SO4, metode ekstraksi, NH4Oac, status K

Selection of the Best Method of Soil Phosphorus Test for Tomato (Solanum lycopersicum L.) on Andisols Gunawan, Endang; Susila, Anas D; Santosa, Edi; Sutandi, Atang
Buletin Agrohorti Vol. 13 No. 2 (2025): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrob.v13i2.65362

Determination of recommendations for phosphorus (P) based on soil tests for tomato in Andisol has not been done in Indonesia. Beginning with the making of P soil status in IPB Research Station Pasirsarongge Cianjur and followed by a correlation test in PKHT IPB greenhouse Tajur Bogor West Java, from November 2015 to April 2016. The objective was to select the best extraction method of P Andisols for tomato. This research used a single-location approach; with a randomized block design. The treatments were soil P status by application of phosphoric acid solution (H3PO4) with five rates of P : 0, ¼,X, ½X, ¾X, and X. X was the P rate of 2240 kg P ha-1 was applied to achieve maximum P concentration in the soil. H3PO4 solution was applied to the bed surface and incubated for 4 months to obtain different P nutrient statuses. A study of the Correlation test conducted in the greenhouse used the 4 month incubated soil. Analysis of soil P using five extraction methods: Bray 1 (HCl 5N), HCl 25%, Morgan Wolf (NaC2H3O2.3H2O), Mechlich (HCl 0.05N + H2SO4 0.025N) dan NH4OAc (NH4OAc, pH 7). The results showed differences in response of plant height and biomass dry weight on nutrient status of Andisols P. Quandratic response pattern was shown in tomato plant height at 7 weeks after planting and biomass dry weight. The best Andisols P extraction method for tomato is Morgan Wolf, with a correlation coefficient (r) was 0.79. Keywords: biomass, extraction method, greenhouse, H3PO4, Morgan Wolf

Co-Authors Agus Purwito Amalia Nurul Huda Anas D. Susila Anas Dinurrohman Susila Andi Sri Ummi Kalsum Yulifar Atang Sutandi Awang Maharijaya Budi Indra Setiawan Edi Santosa Efendi, Darda Erlin Vira Novianti Heri Harti Heru Anggara M. Rahmad Suhartanto Nur Wahyu Sariningtias Roedhy Poerwanto Satyanto Krido Saptomo Willy Bayuardi Suwarno

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