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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia Journal of Degraded and Mining Lands Management AGRIVITA, Journal of Agricultural Science AGRICOLA AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Jurnal Penelitian Pertanian Terapan Kultivasi Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Jurnal CoreIT Jurnal Agrotek UMMat Jurnal Agrotek Tropika Journal of Tropical Crop Science Daun: Jurnal Ilmiah Pertanian dan Kehutanan PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Ilmiah Inovasi Agroplantae: Jurnal Ilmiah Budidaya dan Pengelolaan Tanaman Perkebunan AGROSCRIPT Journal of Applied Agricultural Sciences Planta Simbiosa : Jurnal Tanaman Pangan dan Hortikultura Jurnal Agrotropika Jurnal Pengabdian Nasional Jurnal Sains dan Teknologi Pertanian AGRI-TEK : Jurnal Penelitian Ilmu-ilmu Eksakta Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science)

Dulbari, Dulbari

Politeknik Negeri Lampung

Author-ID : 3386214

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Public Health Social Sciences Veterinary Other

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Karakter Agronomi dan Potensi Hasil 10 Genotipe Padi Tipe Baru pada Dua Lingkungan Tumbuh Berbeda Dulbari, Dulbari; Sa’diyah, Nyimas; Kamal, Muhammad; Tianigut, Gut
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

The purpose of this study was to evaluate the agronomic characters and yield potential of ten new plant type (NTP) of rice genotypes planted on two different agroecologies. The study was done in East Lampung (Ultisols soil type, altitude 60 m asl, and average daily temperature 26,86°C) and Tanggamus (Andisols soil type, altitude 600 m asl, and average daily temperature 24.15°C) in January—Juni. The research was arranged in randomized complete block design (RCBD) with 12 treatments and 3 replications. The treatment consisted of 10 new type of rice genotypes, i.e., IPB 3S, IPB 4S, IPB 5R, IPB6R, IPB117-F-7-2-1, IPB 117-F-7-7- 1, IPB 117-F-14-4-1, IPB 117-F-15-4-1, IPB 117-F-20-1-1, IPB 117-F-80- 2-1, and two varieties, i.e., Ciliwung and Ciherang as control. The results showed that all NPT genotypes had lower number of tillers but the hill height were taller than the Ciliwung and Ciherang varieties. Eight genotypes had a faster harvesting time, and one genotype had a higher yield than two control varieties.

Status of Rice Biochemical Composition under Lodging Treatment Dulbari, Dulbari; Santosa, Edi; Koesmaryono, Yonny; Sulistyono, Eko
Journal of Tropical Crop Science Vol 4 No 3 (2017): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Extreme weather conditions due to strong wind and high rainfall cause rice lodging. Lodged plants have lower photosynthetic rate and nutrient transport capacity which resulting in lower rice quality. However, physiological process of rice plant under lodging condition is rarely reported. Therefore the objective of this research was to evaluate the biochemical compounds of two rice varieties under artificial lodging treatment. IR64 and HIPA8 varieties were planted at the Experimental Farm in Leuwikopo, Bogor Agricultural University (IPB) in November 2016 to June 2017. At grain filling stage, rice hills were enforced to lodge using manual force until culm break. Analysis of untargeted biochemical compounds was conducted at Research and Development Institute, Laboratory of Regional Health, DKI Jakarta where rice culms from upper and below breaking position were compared. Results showed that rice culms had different biochemical compounds after lodging, especially in fatty acid, terpene, alkane, and steroid group. Lodging culms had a total of 22 to 25 compounds compared to 15 to 17 of the normal plants. It means that lodging stimulated different physiological process in rice plants. A decrease in fatty acid and an increase in the steroid level of lodged plants indicated an increase in oxidative stress of lodging condition. It is possible that low rice grain quality under lodging condition was caused by the changes in the plant physiological processes in response to the environmental stress.Keywords: extreme weather, metabolomics, oxidative stress, rice culm, rice lodging

Adaptation of Wetland Rice to Extreme Weather Dulbari, Dulbari; Santosa, Edi; Sulistyono, Eko; Koesmaryono, Yonny
Journal of Tropical Crop Science Vol 4 No 2 (2017): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Climate change is believed to increase the intensity and the frequency of extreme weather events in reference to strong winds and heavy precipitations. The extreme event is defined as strong wind at speed of 50 km.h-1 and rain fall intensity 10 to 20 mm.h-1 or more . This condition is detrimental to rice production as this may lead to lodging and flooding which normally occurs during the grain filling stage to harvesting resulting in lower yield and grain quality. The. Simultaneous extreme events and critical rice growth occured more frequently due to increasing cropping season within a year in Indonesia. Therefore, it is important to mitigate and develop adaptation strategies in order to sustain rice production. Efforts to adapt to these extreme environmental conditions are mostly based on genetics and agro ecological approaches. Genetically, rice with strong hills, high aerodynamic with low water retention is desired. Agro-ecological manipulation is conducted through wind break application, planting arrangement to facilitate better sunshine penetration, to manage water level and planting calendar. Availability of weather station in the field is important to improve mitigation and continuous adaptation strategy against extreme weather events. Keywords: plant canopy architecture, climate change, heavy rainfall, lodging, strong wind

Pendugaan Kehilangan Hasil pada Tanaman Padi Rebah Akibat Terpaan Angin Kencang dan Curah Hujan Tinggi Dulbari ,; Edi Santosa; Yonny Koesmaryono; dan Eko Sulistyono
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 1 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

AbstractRice lodging due to incident of extreme weather, i.e., combination of strong winds and high rainfall is eviden in Indonesia. However, yield loss in the area is rarely studied. In order to estimate yield loss on rice, a model for calculating the yield reduction was developed. The objective of present study was to analyze the effect of strong winds and high rainfall incidents on yield loss of rice in the field. The study was conducted at the Sawah Baru IPB, Bogor, Indonesia from February to April, 2016 on rice plots severe from natural incident of strong wind and high rainfall. The results showed that rice lodging from strong wind and high rainfall formed patterns and specific formations. We determined four major lodging formations, five lodging degrees, and eleven different patterns due to wind direction. Overall, lodging occured on research area of 27.6% with production loss up to 11.89%. This research showed that estimation of yield loss due to incident of extreme weather could be conducted in the level of field based on area of coverage and degree of lodging. Application of the model on wider area needs further evaluation. Keywords: Agronomic character, extreme weather adaptation, modelling, lodging, rice variety

Dampak Cuaca Ekstrim terhadap Kehampaan Genotipe Padi: Pengantar Manajemen Produksi Berbasis Iklim Purwono; Dulbari; Edi Santosa
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 49 No. 2 (2021): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Kajian kehampaan gabah pada berbagai varietas padi dikaitkan dengan deraan angin dan curah hujan tinggi masih jarang dilakukan di Indonesia. Penelitian bertujuan mengevaluasi tingkat kehampaan beberapa genotipe padi pada perlakuan angin dan hujan selama masa generatif. Penelitian dilaksanakan di Kebun Percobaan IPB Leuwikopo, Bogor, Indonesia pada Oktober 2017-Januari 2018 menggunakan pot ember ukuran 13.9 L. Genotipe Ciapus, Fatmawati, HIPA 6, Inpari 10, dan Way Apo Buru (WAB) pada fase generatif didera angin kecepatan 10-40 km jam-1 pukul 07.00-17.00 WIB, hujan pukul 07.00-12.00 WIB, dan hujan pukul 07.00-17.00 WIB selama dua minggu. Perlakuan angin dan hujan meningkatkan jumlah gabah hampa, dengan tingkat kehampaan malai tergantung genotipe. Tanaman memperoleh perlakuan hujan pukul 07.00-17.00 memiliki persen gabah hampa lebih besar dari hujan pukul 07.00-12.00 khususnya pada genotipe WAB. Kehampaan malai pada genotipe WAB sensitif terhadap curah hujan, dan Ciapus, HIPA 6 dan Inpari 10 sensitif terhadap angin. Fatmawati relatif lebih tahan deraan angin dan hujan dibandingkan genotipe lain. Penelitian menunjukkan perlunya memilih genotipe untuk mengurangi dampak deraan angin dan curah hujan selama masa generatif. Kata kunci: adaptasi perubahan iklim, angin kencang, hujan, Oryza sativa, smart climate

Produksi dan Kualitas Beras Dua Varietas Padi Akibat Rebah dan Terendam . Dulbari; Edi Santosa; Eko Sulistyono; Herdhata Agusta; Dwi Guntoro; Sofyan Zaman; Yonny Koesmaryono
Jurnal Ilmu Pertanian Indonesia Vol. 23 No. 1 (2018): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Rice lodging followed by flooding has negatively detriment on the production, however, scientific evident is still rare. As the incident tends to escalate as the impact of extreme weather, hence, research was conducted in order to evaluate rice production and its quality of two rice genotypes treated with lodging-flooding. The experiment was conducted at Leuwikopo Farm IPB Bogor in July-October 2016 using randomized complete block design using two factors, i.e., variety (Way Seputih and Way Apo Buru) and lodging (no lodged [bending 0-18°], lodged [lodged 38-56°], and lodged with flooded [lodged 76-90°]). Rice hill aged 85 days after transplanting was lodged for 15 days. Results showed that lodged with flooded treatment did not increase yield loss although the plant tended to have sterility 5.59-22.00% higher, grain weight 2.05-35.26% lower, and 0.88-10.66% lower value of rice to unhusked ratio. Grains from the lodged-flooded plant had a number of head rice 13.38-15.78% lower, broken rice 0-24.84% higher, and stimulated germination on 1.33-3.40% grains than lodged-without-flooded. It is important to use rice varieties with stable on milling quality to address the lodged-flooded incident.

Karakter Agronomi dan Potensi Hasil 10 Genotipe Padi Tipe Baru pada Dua Lingkungan Tumbuh Berbeda Dulbari Dulbari; Nyimas Saâ€™diyah; Muhammad Kamal; Gut Tianigut
Jurnal Penelitian Pertanian Terapan Vol 18 No 1 (2018)
Publisher : Politeknik Negeri Lampung.

The purpose of this study was to evaluate the agronomic characters and yield potential of ten new plant type (NTP) of rice genotypes planted on two different agroecologies. The study was done in East Lampung (Ultisols soil type, altitude 60 m asl, and average daily temperature 26,86Â°C) and Tanggamus (Andisols soil type, altitude 600 m asl, and average daily temperature 24.15Â°C) in Januaryâ€”Juni.Â The research was arranged in randomized complete block design (RCBD) with 12 treatments and 3 replications. The treatment consisted of 10 new type of rice genotypes, i.e., IPB 3S, IPB 4S, IPB 5R, IPB6R, IPB117-F-7-2-1, IPB 117-F-7-7- 1, IPB 117-F-14-4-1, IPB 117-F-15-4-1, IPB 117-F-20-1-1, IPB 117-F-80- 2-1, and two varieties, i.e., Ciliwung and Ciherang as control. The results showed that all NPT genotypes had lower number of tillers but the hill height were taller than the Ciliwung and Ciherang varieties. Eight genotypes had a faster harvesting time, and one genotype had a higher yield than two control varieties.

Local Adaptation to Extreme Weather and It’s Implication on Sustainable Rice Production in Lampung, Indonesia Dulbari Dulbari; Edi Santosa; Yonny Koesmaryono; Eko Sulistyono; Anung Wahyudi; Herdhata Agusta; Dwi Guntoro
AGRIVITA, Journal of Agricultural Science Vol 43, No 1 (2021)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v43i1.2338

Extreme weather incidents refer to high rainfall and strong winds have been speculated to be detrimental on rice production. However, researches on the local adaptation to their impact on rice production are limited especially on tropical region like Indonesia. A study was conducted in Pesawaran, West Lampung, North Lampung, and Bandar Lampung using time series data of 2000-2015 and ground checking during extreme weather and normal seasons and its implication on sustainable management. Data were evaluated using multivariate regressions. Results demonstrated that the impact of extreme weather on the reduction of rice production was weak, 0.92%. Shifting on rice production among swampy, irrigated, and dry lands at which covered area of 13.67%, 42.69% and 43.65%, respectively, minimized the impact of the extreme weather. During limited precipitation, irrigated and swamplands had 2.5-3.0 times cropping intensity. Conversely, during La-Nina with excess precipitation, cropping in irrigated and drylands increased by 20 and 58%, respectively. Moreover, the local government maintained annual production improvement by about 5% through expansion of irrigated land, high yielding varieties and inputs subsidies. Considering that incident of extreme weathers tended to occur more frequently, consequently, planting calender utilization and rice variety adapted should be implemented.

Evaluasi Galur Semangka Berbiji Tipe Lonjong dan Non Biji Tipe Bulat Anung Wahyudi; Zainal Mutaqin; Dulbari Dulbari
J-Plantasimbiosa Vol 1 No 1 (2019)
Publisher : Politeknik Negeri Lampung

Program pemuliaan tanaman di kampus Politeknik Negeri Lampung telah memiliki 8 galur semangka generasi ke-5 (S5). Galur-galur tersebut telah dievaluasi dan diseleksi dengan harapan telah stabil secara genetik, serta mengetahui level adaptasi terhadap lingkungan. Hasil analisis data menggunakan uji F menunjukkan perbedaan yang nyata antar perlakuan pada tiap parameter pengamatan dengan uji BNT 5%. WM 140502 memiliki berat tertinggi per buah 3.17 kg. Kadar gula tertinggi adalah WM 140507 yaitu 9.47 brix. Saat ini Politeknik Negeri Lampung memiliki 8 galur tipe oval dengan 6 galur berdaging merah dan 2 galur berdaging orange. Dari hasil evaluasi (S5), kita berharap memiliki galur murni untuk perakitan hibrida dengan karakter yang berbeda.

Cuaca Ekstrim Mengubah Nilai Indeks Ketahanan Tanaman Padi Terhadap Rebah Dulbari Dulbari; Edi Santosa; Yonny Koesmaryono; Eko Sulistyono
J-Plantasimbiosa Vol 1 No 1 (2019)
Publisher : Politeknik Negeri Lampung

Ketahanan rebah varietas padi ditentukan berdasarkan indeks kerebahan IRRI (1988) yang terdiri dari : 0, 1, 3, 5, 7, dan 9. Nilai indeks 0 : sangat tahan rebah (tidak ada tanaman yang rebah), 1 : tahan rebah (tanaman rebah kurang dari 20%), 3 : agak tahan rebah (tanaman rebah 21 Ì¶ 40%), 5 : sedang (tanaman rebah 41 Ì¶ 60%), 7 : agak peka (tanaman rebah 61 Ì¶ 80%), dan 9 : peka (tanaman rebah lebih dari 80%). Evaluasi karakter kerebahan (Krb) tanaman padi dilakukan mengikuti Panduan Sistem Karakterisasi dan Evaluasi Tanaman Padi Kementan (2014). Kreteria dan metode evaluasi varietas padi terhadap ketahanan rebah tidak diukur untuk menghadapi kondisi cuaca ekstrim. Nilai indeks kerebahan berubah dengan terjadinya insiden cuaca ekstrim sehingga perlu dilakukan evaluasi terhadap kreteria ketahanan rebah suatu varietas bila akan ditanam di daerah yang rawan insiden cuaca ekstrim.

Co-Authors Ahyuni, Destieka Ajeng Aulia Martina Antero, M Anung Wahyudi ardiansyah, sigit Arief Maksum Ariska Amalia Asa Alfina Fitriani Ashadi, Ibnu Buana, Arum Sekar Denny Sudrajat Denny Sudrajat Destieka Ahyuni Destieka Ahyuni Destieka Ahyuni Dewi Ermaya Dey Elsa Ladya Wirasti Dwi Guntoro Dwitia, Yosi Edi Santosa Eko Sulistyono Eri Maulana Erie Maulana Erie Maulana Sy Evi Yunita Sari Evi Yunita Sari, Evi Yunita Fajar Rochman Gut Tianigut Herdhata Agusta Hery Sutrisno Hidayat Saputra Hidayat Saputra Hidayat Saputra, Hidayat Holil, Maskur I Gde Darmaputra Imani, Septiani Nurul Jaenudin Kartahadimadja Jaenudin Kartahadimaja Jaenudin Kartahadimaja Jaya, Moh. Haris Imron S. Joko Restuono Junita Barus Lina Budiarti LINA BUDIARTI Lina Budiarti, Lina Lisa Erfa Maharani, Juwita Suri Marveldani Marveldani Marveldani Marveldani Marveldani Marveldani Miandri Sabli Pratama Miranda Ferwita Sari Miranda Ferwita Sari Muhammad Kamal Muhammad Kamal Muhammad Kamal Mutaqin, Zainal Ni Siluh Putu Nuryanti Nurbani Kalsum Nyimas Saâ€™diyah Nyimas Sa’diyah Pebria Sisca Pitaloka, Triana Priyadi Priyadi Priyadi Priyadi Pujiana, Tri Purwono Putra, Bobby Utomo Putri, Della Alvia Kusuma Rahmadi, Rizky Ratna Dewi Rizky Rahmadi Rochman, Fajar Safrudin, Amad Sari, Miranda Ferwita Sari, Resti Puspa Kartika Sa’diyah, Nyimas Sembiring, Rinawati Sepmiarti, Intan SEPTIANA SEPTIANA Silvani, Rafli Sofyan Zaman Subarjo Subarjo subarjo, Subarjo Suparmin, Muhammad Miftahurohman Surahman, Suryansyah Syahrul R, Syahrul Taisa, Rianida Tianigut, Gut Utami, Alia Senja Widyani, Dimas Prakoso Widyastuti, R.A Diana Widyawati, Dewi Kania Yana Sukaryana Yonny Koesmaryono Yuriansyah Yuriansyah Yuriansyah Yuriansyah, Yuriansyah Zainal Mutaqin ZAINAL MUTAQIN Zarnelly Zarnelly

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