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Jurnal Penelitian Pertanian Tanaman Pangan

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Published by Pusat Penelitian dan Pengembangan Tanaman Pangan

ISSN : 25415166 EISSN : 25415174 DOI : 10.21082

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Penelitian Pertanian Tanaman Pangan merupakan publikasi yang memuat makalah ilmiah primer hasil penelitian tanaman pangan (padi dan palawija). Redaksi menerima makalah dari peneliti Puslitbang Tanaman Pangan, Balai Pengkajian Teknologi Pertanian (BPTP), maupun perguruan tinggi. Makalah yang dikirimkan hendaknya sudah mendapat persetujuan dari pimpinan instansi masing-masing. Ketentuan penulisan makalah untuk dapat dimuat di jurnal ini tertera dalam "Author Guidelines/Petunjuk bagi Penulis" di halaman terakhir Jurnal Penelitian Pertanian.

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Articles 9 Documents

Search results for , issue "Vol 30, No 3 (2011): Desember 2011" : 9 Documents clear

Seleksi dan Identifikasi Bakteri Antagonis sebagai Agens Pengendali Hayati Penyakit Hawar Pelepah Padi Rustam, Rustam; Giyanto, Giyanto; Wiyono, Suryo; Santosa, Dwi Andreas; Susanto, Slamet
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Selection and identification of effective microbes are important steps to obtain biological control agents. The objective of this research was to screen potential bacteria as controlling agents for rice sheath blight disease. The research was conducted at plant bacteriological laboratory and green house of Plant Protection Division of Bogor Agricultural University, Bogor, from May 2010 to February 2011. The trial was arranged in a completely randomized design with bacterial isolates as treatment. The result showed that 30 out of 144 bacterial isolates indicated an antifungal activity to R. solani. In vivo test indicated that 3 of the 30 isolates which have antifungal activity were able significantly to suppress the rice sheath blight disease. Those isolates were marked as TT47, SS19 and BR2, with the ability to suppress rice sheath blight disease at rate of 79.6, 56.4, and 49.4%, disease index 1.7, 3.7, and 4.3, and the disease incidence 33.3%, 73.35, and 80%, respectively. Molecular characterization of partial sequence of 16S rRNA on SS19, TT47, and BR2 isolates showed that those bacteria are Serratia marcescens, Ralstonia pickettii, and Bacillus subtilis, respectively.

Keragaan Padi Hibrida pada Sistem Pengairan Intermittent dan Tergenang Munarso, Yuniati Pieter
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

An experiment to evaluate growth and yield performance of rice hybrids planted in different irrigation system was conducted at the green house of the Indonesian Center for Rice Research in Sukamandi, Subang 2010.The experiment was arranged in a randomized block design with irrigation system (intermittent and continuous flooded) as first factor and genotype of hybrid (15 genotypes) as second factor, with 2 reps. Results showed that genotype was dominant determinant factor for several observed variables, i.e. plant height, total tillers, flowering and harvesting time, and root character (root volume) as well. Genotype acts as single determinant factor on paddy grain yield, and its yield components (total and percentage of filled grain). Yield observation showed that, this variable was significantly affected by hybrid genotype. Genotype G23 showed to be the highest yielding genotype. Rice grain yield was supported by yield components of total filled-grains and percentage of seed set, rather than panicle length. Intermittent treatment produced longer root. Meanwhile, continuous submerged produced shorter root with more branch.

Pertumbuhan dan Hasil Beberapa Varietas Jagung pada Berbagai Jarak Tanam Yulisma, Yulisma
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

This study was aimed to determine the effect of varieties and spaces of planting on growth and yield of maize, using a split plot design with three replications. Main plots were V1 (Local), V2 (Bisma), V3 (Bisi 10) and V4 (P 21), and subplots were planting spacing, i.e. K1 (30 cm x 40 cm), K2 (40 cm x 40 cm), K3 (50 cm x 40 cm), K4 (60 cm x 40 cm), K5 (70 cm x 40 cm). Variety significantly affected on plant height at the age of 2-8 weeks after planting, whereas the total leaf area was significantly affected on the age of 2, 4 and 6 weeks after planting. Dry weight of plants was significantly affected at the age of 4 and 8 weeks after planting. Net assimilation rate was significantly affected at the age of 2-4 weeks after planting. Spacing treatments significantly affected on plant height at the age of 4, 6 and 8 weeks after planting. Grain yield increased from 1,081 kg to 5,249 kg/ha with an increase of plant spacing from 30 cm x 40 cm to 70 cm x 40 cm. Hybrid variety produced yield higher than that of open pollinated ones. The highest productivity as much as 7,994 kg/ha was obtained by hybrid P 21 with the plant spacing of 50 x 40 cm, followed by hybrid Bisi 10 (7,508 kg/ha), local variety (5,803 kg/ha), Bisma (5,345 kg/ha) with the same plant spacing of 50 cm x 40 cm.

Peran Varietas Tahan dalam Menurunkan Populasi Wereng Coklat Biotipe 4 pada Tanaman Padi E., Baehaki S.; K., Arifin; Munawar, D.
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Research was carried out in a screen house at Indonesian Center for Rice Research and in the rice field at Pati, Central Java, during the Wet Season 2009. Design of each experiment was factorial with three replications. The first factor consisted of four varieties, namely IR74, Ciherang, Hipa 4, and Muncul. The second factor consisted of three insecticides, namely imidackloprid, BPMC, and deltamethrin. Results of the screen house trial showed that varieties IR74 and Ciherang were able to reduce nymph population of brown planthopper (BPH) biotype 4 generation 1 (G1) from Pati, Central Java, by 52.9% and 19.1%, respectively. Variety IR74 reduced nymph population of BPH biotype 4 generation 2 (G2) by 39.8%. The Insecticides Effectiveness (IE) values of imidakloprid, BPMC, and deltamethrin treatments at dosages 0.5 kg/ha; 1.5 l/ha, dan 0.25 l/ha, respectively, against BPH Biotype 4 Generation 1 (G1) and Generation 2 (G2) were less than 50%. Insecticides imidacloprid, BPMC, and deltamethrin each was not effective against the BPH. On the other hand, IE of imidacloprid, BPMC, and deltamethrin at the recommended dosages to BPH biotype 1 G1 in he screenhouse were 99.8%; 50.6% and 24.7%, respectively. Results of the field trial in Pati showed that varieties IR74, Ciherang, Hipa 4, and Muncul prior to 65 days after transplanting (DAT) did not reduce the BPH populations, but at 75 DAT, varieties IR74 and Ciherang reduced the BPH populations up to 52.3% and 66.1%, respectively. Decrease in the BPH population by imidacloprid ranged from 20.1-52.4% and by BPMC from 9.2-26.4%. Yield of IR74 which resistant variety to BPH Biotype 3 was significantly higher than that of Ciherang with a yield different of 3263 kg/ha.

Respon Genotipe Padi Gogo terhadap Defisiensi P Tasliah, Tasliah; Suhartini, Tintin; Prasetiyono, Joko; Somantri, Ida Hanarida; Bustamam, Masdiar
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Insufficient P is a limiting factor for rice production. Tolerant varieties to deficiency P are very important to solve the problem. The objective of the experiment was to evaluate rice genotypes to P deficiency and its interaction to Al toxicity. The experiment was conducted at the green house of ICABIOGRAD (Indonesian Center for Agricultural Biotechnology and Genetic Resources Research and Development) in WS 2006, using Yoshida solution. Molecular analysis was conducted in 2010 to observe the effectiveness of gene Pup1 segment in upland rice varieties to be compared with Kasalath tolerance variety from India. Plastic box of 10 ltr, containing solution as media was used in the experiment. The treatments were arranged in a split-split plot design with three replications. Treatments were two levels of Aluminum (0 and 45 ppm Al) as a main plot, and 4 levels application of P fertilizer (0, 0.5, 5.0, and 10 ppm P) as sub plots, and sixteen upland rice genotypes as sub-sub plots. Results showed that there were interactions between P, Al treatments and genotypes to characters which were observed. Application of P up to 10 ppm P increased plant height, number of tillers, shoot dry weight, and root dry weight significantly, but not for root length. The effects of aluminum were decreasing in plant height, shoot and root dry weight and root length significantly, but not for number of tillers. Evaluation of tiller number for P deficiency treatment showed three cultivars were tolerant to P deficiency, namely: Way Rarem, Limboto and Sentani, and five genotypes were moderately tolerant: Way Rarem, Jatiluhur, Sentani, K36-5-1-1, Limboto, dan NIL-C443. Genotypes indicated tolerant to both Al toxicity and P deficiency, were Way Rarem, Jatiluhur, Sentani, K36-5-1-1, Limboto, dan NIL-C443. There were no correlation between rice tolerance to P deficiency with rice tolerance to aluminum toxicity. Molecular analysis using Pup1 specifik primers showed fully Pup1 segment on NIL-C443, K36-5-1-1, Jatiluhur, Limboto, Silugonggo, Way Rarem and those genotypes showed tolerance or moderately a tolerant to P deficiency, except for Silugonggo.

Laju Pertumbuhan Vegetatif dan Generatif Genotipe Kedelai Berumur Genja Manshuri, Achmad Ghozi
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

The aim of this study was to obtain information on plant growth rates involving leaves, stem, pods, and seeds, to be used as selection criteria in breeding program, to develop early-maturing soybean cultivar with higher yield than Grobogan variety. The experiment was carried out at ILETRIâ€™s experiment station in Ngawi, East Java during dry season I. Seeds of five soybean genotypes including Grobogan variety were planted on 24 June 2010. Growth rates of leaves, stem, pods and seed were analyzed using linear and quadratic equations. Results showed that Grobogan variety yielded the highest of 2.9 t/ha. There were no genotypes having earlier leaves growth rate (source strength) higher than that of Grobogan variety. The G2 genotype (Sinabung/Argomulyo 415-2) had higher assimilate partition rate to the seed (sink strength) compared to that of Grobogan variety, namely 0.386 g/plant/day and 0,288 g/plant/day, respectively. To improve yield potential through sink strength, a cross of G2 (Sinabung/Argomulyo) and Grobogan is suggested.

Pengaruh Bahan Pengemas terhadap Mutu Beras Padi Aromatik selama Penyimpanan Jumali, Jumali; Indrasari, S. Dewi; Kusbiantoro, Bram
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Research on the effect of packaging material for aromatic rice quality and its life storage was carried out. The aromatic rice varieties i.e Pandanwangi, Sintanur and Mentikwangi (each 750 kg) were dried in box dryer at 45oC for 12 hours. The dried paddy was milled at commercial milling to produce milled rice. The milled rice then were packed in high density polypropylene (HDPP), super bag and plastic sac. Factorial treatments were arranged in a completely randomized design, replicated thrice. The first factor was aromatic rice varieties (Sintanur, Mentikwangi and Pandanwangi) and the second factor was packaging material (superbag, high density polypropylene (HDPP) and plastic sac). Each treatment consisted of 5-7 kg of milled rice, kept in the room condition for six months. The physical, chemical characteristic, organoleptic test, and flavor composition were observed at the beginning, the middle and the end of storage. The result showed that physical quality of rice decreased parallel with the duration of storage. The whiteness, transparency and milling degree of rice kernel decreased as the period of storage increased. The infestation of insect in storage was found at 60 days after storing (at the second month) and tended to decrease parallel with insect life cycle. The used of plastic sac as packaging was invested by insect more than those of super bag and high density polypropylene. Therefore plastic sac was not recommended for packaging of aromatic rice at room condition. Organoleptic test indicated that cooked quality of aromatic rice decreased parallel with storing time. Based on colour, aroma, taste and texture, aromatic rice should be consumed within 90 days. After 90 days, the colour, aroma, taste and texture of the cooked rice was less preferred by panelis. The uses of plastic sac to pack aromatic rice produced cooked rice less preferable than those of super bag and high density polypropylene plastic.

Pengaruh Penyosohan Gabah dan Pemasakan terhadap Kandungan Vitamin B Beras Merah Indrasari, Siti Dewi
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

The number of improved red rice varieties (red color caryopsis) is still limited, namely Bahbutong and Aek Sibundong. Red rice is useful as functional food due to its antocyanin content which have a potential function as antioxidant. The research was aimed to study the effect of processing (milling and cooking) on the thiamin (vitamin B1), riboflavin (vitamin B2), niacin (vitamin B3), and pyridoxin (vitamin B6) content of new varieties, local red vareties and advanced lines of red rice. The materials used in the experiment were two red rice advanced lines, local red rice (Jembar Beureum and Jatiluwih), red rice improved variety Aek Sibundong, and white rice variety Ciherang. Results showed that milling and cooking processes reduce thiamin, riboflavin, niacin , and pyridoxin contents on advanced improved red lines, red improved variety, local red varieties and Ciherang white improved variety. Jembar Beureum milled and cooked rice had the highest thiamin and niacin content. Jatiluwih milled and cooked rice had the highest riboflavin and pyridoxin content. Local red rice had higher vitamin B content than improved red advanced lines, Aek Sibundong and Ciherang white rice. Local red rice varieties may be used as parent material on the breeding program to develop red rice improved varieties with higher vitamin B content.

Karakteristik Agronomis dan Fisikokimia Umbi Klon Ubikayu Genjah Sundari, Titik; Yulifianti, Rahmi
Jurnal Penelitian Pertanian Tanaman Pangan Vol 30, No 3 (2011): Desember 2011
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

The research was aimed to characterize agronomic characters and physico-chemical tubers of early maturating cassava clones. Total of 10 cassava clones and five varieties (UJ 3, UJ 5, Adira 1, Adira 4 and Malang 6) were evaluated in two locations, namely at the experiment station of Muneng, Probolinggo and at farmerâ€™s land in South Malang. The experiment was planted in April to November 2009, using a completely randomized block design with three replications. Each clone was planted in plots measuring 5 m x 4 m with plant spacing of 100 cm x 80 cm. Fertilization was applied in three stages by using 10 t/ha of manure and 200 kg urea + 100 kg SP36 + 100 kg KCl/ha. Manure was given at the time of land preparation, while urea, SP36, and KCl were given at one month after planting (MAP) (100 kg of urea, 50 kg of KCl, 100 kg of SP36/ha), and three MAP (100 kg of urea and 50 kg of KCl/ha). Observations on the agronomic characters included: plant height, number of fresh leaves, number of node and diameter of stem conducted at 3 WAP until the harvest, at intervals of 1 month. Yield and yield components, and physical-chemical characters of tuber were measured at harvest. Combined analyses of two locations showed that the interaction between clones and locations were significant on all observed agronomic characters. OMM 9076 clone was consistently out yielded at two locations. Based on physicochemical characters, CMM 03001-10, CMM 03094-12, CMM 03009-6, CMM 03097-11, CMM 03013-11, CMM 03094-13, CMM 03018-10, M4-p, OMM 9076 and Adira 1 clones were considered suitable for food. Clone M4p was also suitable for starch or flour industries, and CMM 03013-11 was suitable for ethanol.

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