Claim Missing Document
Check
Articles

PENGARUH PACLOBUTRAZOL DAN HIDROGEN SIANAMIDA TERHADAP PERTUMBUHAN DAN PEMBUNGAAN TANAMAN MANGGA 'ARUMANIS' Slamet Susanto; Roedy Poerwanto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 27 No. 2 (1999): Buletin Agronomi
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 | Full PDF (826.6 KB) | DOI: 10.24831/jai.v27i2.1578

Abstract

The objective of the experiment was to observe the effect of application of paclobutrazol as growth retardant and hidogen sianamida which can act as dormancy break on growth and flowering of Mango cv. Arumanis. Experiment was conducted at IPB Experiment Station, Tajur, Bogor (250 m above sea level), from April to August 1996. Three-year-old of Mango cv. Arumanis trees were used for this experiment. Trees were planted in the field with spacing of 5 m x 5 m. Experiment using Randomized Block Design, consisted of two factors. First factor was dosage of paclobutrazol i.e. 0 ppm as control and 1000 ppm. Second factor was application time of hidrogen sianamida i.e. no treatment (control), 15 days after paclubutrazol application( HSP), 30 HSP and 60 HSP. Each treatment was replicated six times using one tree for each replication. Observation was conducted once a week on the sprouting bud number, shoot length flowering time, cluster number, and cluster size. Paclubutrazol application significantly played a role in off seson flower induction of mango Arumanis, flower bud sprouting occurred on 61-71 days after paclubutrazol treatment. Percentage of flowering on treated trees was 83.3-100%, while no flowering was observed on the kontrol trees. More-over, paclobutrazol application significantly inhibited vegetatif growth through decreasing total bud sprouted and shortening shoot length. Time of hidrogen sianamida application tended to increase total of bud sprouted To generatif growth, time of hidrogen sianamida application tended to increase cluster number and significantly increase cluster length. Application time of hydrogen sianamida 60 HSP showed vegetatif and generatif growth better as compared with other treatments.
PENGARUH HIDROGEN SIANAMIDA TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN TEH (Camellia sinensis (L.) O. Kuntze) SETELAH PEMANGKASAN Ahmad Junaedi; Slamet Susanto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 24 No. 1 (1996): Buletin Agronomi
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 | Full PDF (231.273 KB) | DOI: 10.24831/jai.v24i1.1612

Abstract

The experiment was aimed to study the effect of hydrogen cynamide on tea growth and production after pruning. The experiment was conducted at Goalpara Tea Plantation (1100 m above sea levels) from September 1994 to March 1995. Clone TR12025 planted in 1976 with 29 months pruning cycle was pruned a week before application of hydrogen cynamide. Randomized Complete Block Design was used in this experiment with four treatments and four replications. Treatments consist of hydrogen cynamide 0.00 % (control), 0.50 %, 1.25 % and 2.50 %. An experiment unit consists of 20 tea plants. The results showed that treatments of hydrogen cynamide was not significantly increase the number of shoots and weight of "tipping" (shoot tipped on first plucking). The production was not significantly increased by the treatments. However, hydrogen cynamide at 0.50 % could increase 11.5 % fresh weight (equivalent 0f 9.9 % dry weight).
using complete randomized block design with three replications. The means from each plot were compared by using t-student’s test. Application of inorganic fertilizer resulted in a higher shoot production (at 6 week after planting) and a better quality leaves compared to other treatment. This research revealed that high quality waterleaf can be indicated by some criterias, i.e., higher content of primary metabolites (sugar and protein), secondary metabolites (phenolic, flavonoid, and chlorophyll) Leo Mualim; Sandra Arifin Aziz; Slamet Susanto; Maya Melati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 40 No. 2 (2012): Jurnal Agronomi Indonesia
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.v40i2.6385

Abstract

using complete randomized block design with three replications. The means from each plot were compared by using t-student’s test. Application of inorganic fertilizer resulted in a higher shoot production (at 6 week after planting) and a better quality leaves compared to other treatment. This research revealed that high quality waterleaf can be indicated by some criterias, i.e., higher content of primary metabolites (sugar and protein), secondary metabolites (phenolic, flavonoid, and chlorophyll), and antioxidant capacity (low IC50 value). Therefore, application of inorganic fertilizer in wet season is recommended to produce high yields and high quality water leaf. Keywords: sugar, protein, phenolic, flavonoid, DPPH
Konservasi In Vitro Pamelo (Citrus maxima (Burm.) Merr.) melalui Pertumbuhan Lambat Kartika Ning Tyas; Slamet Susanto; Iswari Saraswati Dewi; Nurul Khumaida
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 1 (2013): Jurnal Agronomi Indonesia
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 | Full PDF (324.101 KB) | DOI: 10.24831/jai.v41i1.7073

Abstract

Indonesia is one of the countries which have abundant germplasm of pummelo (Citrus maxima (Burm.) Merr.). Thepummelo germplasm must be conserved to prevent its extinction due to biotic and abiotic stresses. In vitro conservationusing slow growth technique can be considered as an alternative of ex-situ conservation. Two experiments were conductedto obtain suitable medium to conserve pummelo in vitro. The first experiment was conservation using modified concentrationof MS and sucrose. MS medium concentrations were 1/2MS and MS, while sucrose concentrations were 0, 1, 2 and 3%. Thesecond experiment was conservation using osmoticum and retardant in MS medium. There were six combinations of MSmedium supplemented with osmoticum and retardant, i.e. MS + sucrose 3%, MS + sucrose 3% + paclobutrazol 7.5 ppm, MS+ sucrose 3% + paclobutrazol 15 ppm, MS + sorbitol 2%, MS + sorbitol 2% + paclobutrazol 7.5 ppm, MS + sorbitol 2% +paclobutrazol 15 ppm. The results showed that reducing MS medium and sucrose consentration decreased leaf number andshoot length but increased root number and length. The combination of osmoticum and retardant reduced shoot length, leaf number, root number and length. Based on the planlet visual and inhibition of growth through the decrease of leaf number, shoot and root length, the best medium to preserve pummelo was MS + sorbitol 2% + paclobutrazol 7.5 ppm.Keywords: Citrus maxima, osmoticum, preservation, retardant, slow growth
Potensi Hasil Jarak Pagar (Jatropha curcas L.) pada Satu Tahun Budidaya di Lahan Kering Lombok Barat, Nusa Tenggara Barat Bambang B. Santoso; , Hasnam; , Hariyadi3; Slamet Susanto; Bambang S. Purwoko
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 36 No. 2 (2008): Jurnal Agronomi Indonesia
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 | Full PDF (53.866 KB) | DOI: 10.24831/jai.v36i2.20510

Abstract

Productivity of Physic Nut (Jatropha curcas L.) depends on environment and culture intensity. We evaluated yield potential of Jatropha curcas L. at dry land (sandy entisol soil type) of West Lombok, West Nusa Tenggara using three types of propagules, i.e., stem cutting, seed, and seed after pruning and were designed with Randomized Block Design in three replications during November 2006 until November 2007. Result showed that productivity of nut is 880.78 kg/ha (352.31 g/plant) from stem cutting, 749.81 kg/ha (299.92 g/plant) from seed, and 484.11 kg/ha (193.64 g/plant) from seed followed by pruning after 2 weeks planting.
Peranan GA3 terhadap Kerontokan dan Kualitas Buah Jeruk Pamelo Berbiji dan Tidak Berbiji Ummu Kalsum; Slamet Susanto; Ahmad Junaedi; Nurul Khumaida; Heni Purnamawati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 49 No. 3 (2021): Jurnal Agronomi Indonesia
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 | Full PDF (390.413 KB) | DOI: 10.24831/jai.v49i3.38306

Abstract

Fruit drop occurs frequently and causes low fruit harvesting. The information about the use of the hormone GA3 in suppressing fruit drop in pummelo is still not available. This research aimed to examine the role of GA3 on fruit drop and fruit quality in seeded and seedless pummelo. This research was conducted from December 2019 until June 2020 in Tambakmas Village, Sukomoro District, Magetan Regency. The experiment used a nested design with two factors, i.e., cultivars as the main factor (Bali Merah 1 and Bali Merah 2) and spraying GA3 as a nested factor (without spraying GA3, sprayed with GA3 at 1st week after anthesis (WAA), and sprayed with GA3 at 1st and 3rd WAA). Bali Merah 1 belongs to seeded pummelo, while Bali Merah 2 is a seedless pummelo. The observation variables consisted of the concentration of GA3 at 4th, 5th, and 6th WAA, final set, the number of fruit drop, fruit weight and diameter, edible portion, total soluble solids (TSS), total titratable acidity (TTA), TSS/ATT ratio, and vitamin C. The result showed that the GA3 spraying increased the final set of pummelo but the treatment had no significant affected on fruit weight, fruit diameter, TTA, TSS/TTA ratio, and vitamin C content. The GA3 spraying at 1st and 3rd WAA suppressed fruit drop and increased the GA3 concentration of fruit at 4th, 5th and 6th WAA, the edible portion and TSS of pummelo fruit. Keywords: final set, total titratable acidity, total soluble solids, vitamin C
Budidaya Tanaman Akar Wangi (Vetiveria zizanioides (L.) Nash) dalam Wadah: Pengaruh Jenis Media Tanam dan Jumlah Bibit Resti Putri Septyani; Sintho Wahyuning Ardie; Slamet Susanto
Buletin Agrohorti Vol. 1 No. 4 (2013): Oktober 2013
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.441 KB) | DOI: 10.29244/agrob.1.4.111-121

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh komposisi media tanam dan jumlah bibit dalam budidaya tanaman akar wangi (Vetiveria zizanioides) secara hidroponik menggunakan polybag terhadap pertumbuhan tanaman akar wangi varietas Verina 2. Penelitian dilakukan di rumah kaca Kebun Percobaan Cikabayan Bawah, IPB dengan elevasi 240 m di atas permukaan laut (dpl) mulai dari bulan November 2012 hingga Juli 2013. Penelitian disusun berdasarkan rancangan kelompok lengkap teracak (RKLT) dengan dua faktor dan lima ulangan. Faktor pertama adalah komposisi media tanam (v/v) yang terdiri atas tiga taraf, yaitu 100% arang sekam, arang sekam : styrofoam (2:1), dan arang sekam : styrofoam (1:1). Faktor kedua adalah jumlah bibit dalam satu polybag yang terdiri atas dua taraf yaitu satu bibit dan dua bibit. Hasil penelitian menunjukkan bahwa interaksi antara komposisi media tanam dan jumlah bibit per polybag tidak berpengaruh nyata terhadap pertumbuhan tanaman dan pertumbuhan akar tanaman akar wangi. Tanaman yang ditanam pada media arang sekam : styrofoam (1:1) memiliki jumlah daun, jumlah anakan, jumlah akar, panjang akar, kandungan klorofil, dan karotenoid yang lebih tinggi dibandingkan tanaman yang ditanam pada media lainnya. Penanaman dua bibit per polybag menghasilkan jumlah daun, jumlah anakan, bobot basah dan kering tajuk, dan jumlah akar yang lebih tinggi dibandingkan dengan satu bibit per polybag. Hasil tersebut menunjukkan bahwa penanaman dua bibit per polybag pada media                    arang sekam : styrofoam (1:1) menghasilkan pertumbuhan vegetatif dan pertumbuhan akar terbaik pada tanaman akar wangi.
Budi Daya Buah Naga Putih (Hylocereus undatus) di Sleman, Yogyakarta : Panen dan Pascapanen Oktiadewi Kristriandiny; Slamet Susanto
Buletin Agrohorti Vol. 4 No. 1 (2016): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (561.094 KB) | DOI: 10.29244/agrob.v4i1.14993

Abstract

Aspek panen dan pascapanen buah naga putih penting untuk diketahui. Kegiatan penelitian dilaksanakan di Sabila Farm, Sleman, Yogyakarta pada bulan Februari–Juni 2013. Hasil menunjukkan bahwa budi daya buah naga putih yang diterapkan di Sabila Farm secara keseluruhan sudah cukup baik sehingga dapat menghasilkan mutu buah yang mampu bersaing dengan perusahaan lain. Panen tidak dilaksanakan secara serempak setiap bulan, tetapi berdasarkan pesanan konsumen dan keperluan agrowisata. Pemanenan buah naga putih oleh tenaga kerja dilakukan secara manual sesuai dengan karakteristik umur panen. Tenaga kerja panen memiliki keterampilan yang cukup baik sehingga kerusakan hasil panen akibat kerusakan mekanis jarang terjadi. Kerusakan hasil panen disebabkan oleh hama burung dan ayam. Berdasarkan uji korelasi dan regresi, produktivitas dan jumlah bunga dipengaruhi oleh curah hujan dua bulan sebelumnya. Pengelolaan pascapanen buah naga putih di Sabila Farm secara keseluruhan sudah cukup baik, tetapi grading dan pengemasan masih perlu perbaikan.
Pengaturan Intensitas Larutan Hara terhadap Pertumbuhan Tanaman Akar Wangi (Vetiveria zizanioides L.) yang Dibudidayakan Secara Aeroponik Endro Priherdityo; Slamet Susanto; Yudi Chadirin
Buletin Agrohorti Vol. 4 No. 1 (2016): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (526.491 KB) | DOI: 10.29244/agrob.v4i1.15008

Abstract

Percobaan ini dilaksanakan guna mempelajari respon pertumbuhan tanaman akar wangi atau vetiver (Vetiveria zizanioides L.) secara aeroponik. Aplikasi aeroponik dilaksanakan di greenhouse University Farm Cikabayan Kampus IPB Dramaga pada bulan Februari–Mei 2013. Percobaan menggunakan Rancangan Kelompok Lengkap Teracak, 4 perlakuan 3 ulangan. Perlakuan yang dilakukan adalah 1 menit pemberian durasi (On) 4 menit jeda (Off) 1 bibit per lubang, 1 menit On 4 menit Off 2 bibit per lubang, 2 menit On 8 menit Off 1 bibit per lubang, dan 2 menit On 8 menit Off 2 bibit per lubang. Hasil menunjukkan bahwa perlakuan 2 menit On 8 menit Off 1 bibit per lubang dan perlakuan 2 menit On 8 menit Off 2 bibit per lubang berpengaruh pada panjang akar tanaman vetiver. Perlakuan 1 menit On 4 menit Off 2 bibit per lubang memiki jumlah akar terbanyak. Seluruh perlakuan tidak berpengaruh terhadap tinggi tanaman vetiver, kandungan klorofil, dan kehijauan daun vetiver. Secara keseluruhan, sistem aeroponik menghasilkan pertumbuhan akar vetiver lebih baik dibandingkan budi daya di lahan.
Perbandingan Perkembangan dan Kualitas Buah Tiga Aksesi Jeruk Pamelo (Citrus maxima (Burm.) Merr.) Dadang Hermansyah; Slamet Susanto
Buletin Agrohorti Vol. 6 No. 2 (2018): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (213.658 KB) | DOI: 10.29244/agrob.v6i2.18809

Abstract

Pamelo (Citrus maxima (Burn.) Merr.) telah dibudidayakan di berbagai wilayah Indonesia, namun pengembangan pamelo di Indonesia masih sangat terbatas. Upaya pengembangan pamelo diarahkan pada ketersediaan kultivar unggul. Tujuan dari penelitian ini adalah memperoleh informasi perbedaan perkembangan dan kualitas buah pada tiga aksesi jeruk pamelo. Penelitian ini dilaksanakan di Kebun Percobaan Cikabayan IPB dari bulan Desember 2015 sampai Juli 2016. Percobaan menggunakan rancangan kelompok lengkap teracak (RKLT) dengan satu faktor yaitu aksesi (aksesi 1, aksesi 2, dan aksesi 3) yang terdiri atas 3 ulangan. Hasil penelitian menujukkan bahwa perbedaan diameter dari aksesi 1 secara signifikan lebih tinggi dari aksesi lainnya pada akhir pengamatan. Semua aksesi menunjukkan bahwa diameter buah terus meningkat di perkembangan awal namun perkembangan buah semakin lambat pada periode pematangan. Aksesi 1 juga menunjukkan hasil nyata lebih tinggi pada volume dan bobot buah dibanding aksesi lainnya namun pada kelunakan buah aksesi 1 berbeda nyata lebih rendah dibanding aksesi 3. Aksesi 2 merupakan aksesi dengan tebal kulit buah paling tinggi dibanding aksesi 1 dan 3. Kandungan jus buah pada aksesi 1 berbeda nyata lebih tinggi dibanding aksesi 3 namun tidak berbeda dengan aksesi 2. Kandungan asam/ATT pada aksesi 2 paling tinggi dibanding aksesi lainnya. Aksesi 1 memiliki rasio PTT/ATT lebih tinggi dibanding aksesi 2 dan 3. Perbedaan aksesi tidak menunjukkan hasil berbeda nyata pada bagian dapat dimakan, pigmen klorofil kulit buah, dan kandungan gula/PTT. Aksesi 1 adalah aksesi terbaik berdasarkan kriteria ukuran buah, kandungan jus, dan rasa buah yang memiliki kadar asam paling rendah.
Co-Authors , Hariyadi , Hariyadi3 , Hasnam , Mukhlas , Sakhidin , Setyono . Santosa . Saputera . Strisno . Sutrisno A. S. Abidin Abdullah Bin Arif Abdullah Bin Arif Agus Purwito Ahmad Junaedi AHMAD JUNAEDI Ahmad S. Abidin Aji, Titistyas Gusti Ali Husni Ali Husni Ali Husni Ali Husni Amin Rejo Anas Dinurrohman Susila Ani Kurniawati Antik Siti Latifah Arifah Rahayu Asniwita Asniwita Atika Romalasari Bambang B. Santoso Bambang Budi Santoso Bambang Pramudya Bambang Pramudya Bambang S . Purwoko Bambang S. Purwoko Bambang Sapta Purwoko Bhayu Hartanti Dadang Dadang Dadang Hermansyah Dadang Hermansyah Deden Derajat Matra Delys Inkorisa Dewi Sukma Dewi, Iswari Saraswati Dhika Prita Hapsari DJUMALI DJUMALI DJUMALI DJUMALI, DJUMALI Dona Rustani DWI ANDREAS SANTOSA Dyah Retno Wulandari Dyah Retno Wulandari Edi Minaji Pribadi Edi Santosa Efendi, Darda Endro Priherdityo Erniawati Diningsih Erniawati Diningsih Erniawati Diningsih Evan Yonda Pratama Faqih Udin Fidya Novita Fiki, Ainun Gede Suastika Gede Suastika GEDE SUASTIKA Gede Suastika Giyanto, Giyanto Habibi, Irfan Hadi K. Purwadaria Handian Purwawangsa Hariyadi Hariyadi Harliani Sri Utami Henny Nurpa Anggriani Herik Sugeru Hermansyah, Dadang Hilda Susanti Hulu, Versi Putra Jaya I Wayan Budiastra Indriati Husain Iswari S Dewi Iswari S. Dewi Iswari Saraswati Dewi Jamhari Jamhari Karmanah, Karmanah Kartika Ning Tyas Kartika Ning Tyas Kartika Ning Tyas Ketty Suketi Kikin H Mutaqin Kosmaryadi, Nandi Kristriandiny, Oktiadewi Kudang B Seminar Kudang B. Seminar Leo Mualim M. Wahyudin Nasrulloh, M. Wahyudin Nasrulloh Matra, Deden Derajat Maya Dewi Sulistyningrum Maya Melati Moeljarno Djojomartono Moeljarno Djojomartono Moh Nailun Ni'am MOHAMMAD CHOLID MOHAMMAD CHOLID, MOHAMMAD Muhamad Ramdan Muhammad Syukur Muhammad Thamrin Nafi’ Kurniawan Natalia, Cristina Evi Neni Musyarofah Neni Musyarofah Nurul Khumaida Nurul Khumaida Oktiadewi Kristriandiny Parameswara, Yosephine Sista Pratama, Evan Yonda Priherdityo, Endro Purwoko, Bambang Sapto R. Poerwanto Raden Ajeng Diana Widyastuti Rahayu, Arifah Renaldy Susanto Resti Putri Septyani Resti Putri Septyani Retty Nurfazizah Roedhy Poerwanto Roedy Poerwanto Rustam, Rustam Rustani, Dona Sakhidin Sakhidin Salsabila, Unik Hanifah Sandra A. Aziz Sandra Arifin Azis Sandra Arifin Aziz Santosa Santosa Sintho Wahyuning Ardie Siregar, Shella Elvira Siti Aisyah Rohmatus Sa’adah Siti Mariana Widayanti SRI HENDRASTUTI HIDAYAT Sri Minten Sriani Sujiprihati Sudirman Yahya Sukma, Dewi Suroso Suroso Suryo Wiyono Sutrisno Sutrisno Sutrisno Sutrisno Suyanto Kartosoewarno Thamara, Aria Titistyas Gusti Aji TRI ASMIRA DAMAYANTI Tri Muji Ermayanti Tri Muji Ermayanti Tri Muji Ermayanti Ummu Kalsum Wahyu Fikrinda Widyaswara, Muhammad Heraldi Garda Willy Bayuardi Suwarno Winarso D. Widodo Wulandari, Dyah Retno Yosephine Sista Parameswara Yudi Chadirin Yul Y Nazaruddin