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Jurnal Penelitian Pertanian Tanaman Pangan

jpptp
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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 273 Documents

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Pengaruh Aplikasi Serbuk Biji Mimba Spodoptera litura Nuclear Polyhedrosis Virus dan Varietas Tahan terhadap Perkembangan Ulat Grayak pada Kedelai Indiati, S. W.; Suharsono, Suharsono; Bedjo, Bedjo
Jurnal Penelitian Pertanian Tanaman Pangan Vol 32, No 1 (2013): April 2013
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Armyworm Spodoptera litura F. (Lepidoptera: Noctuidae) is an important pest of soybean in Indonesia. Severe damages by this pest can cause yield losses up to 80%. Effectiveness of the armyworm control using Spodoptera litura Nuclear Polyhedrosis Virus (SlNPV), neem seed powder (NSP), and resistant soybean lines was studied in the Laboratory of Entomology, ILETRI, Malang, in 2011. The trial was arranged in a completely randomized design with five treatments and four replications. The treatments consisted two soybean genotypes, Wilis (susceptible variety) and G100H (resistant line) applied with SlNPV and NSP and the leaves were used to feed the armyworm. The results showed that the development of the 3rd instar larvae to the 6th instar caterpillars were influenced by the type of feeds. Sizes of 3rd instar larvae until 6th instar leave fed with leaves of Wilis variety were shorter than those fed with leaves of G 100H. The caterpillars fed with leaves of G100H + 50 g/l SBM reached the 6th instar within 10 days, three days shorter than those fed with leaves of G100H alone. Leaf of Wilis variety also affected the pupal period, caterpillars weight, and pupal weight. Increased of NSP and SlNPV doses on the feed hastened and increased mortality rate of the caterpillars. Caterpillars fed with leaves of G 100H + 2 g/l SlNPV died on the 6th instar. Caterpillars fed with leaves of G100H + 2g/l SlNPV and leaves of G100H + 50 g/l NSP + 2 g/l SlNPV suffered 100% mortality at 9 days after application (DAA), whereas those fed with leaves of G100H + 50 g/l NSP only achieve 97% mortality at 21 DAA. Caterpillars fed with leaves of Wilis variety only showed 27% mortality at 15 DAA or at the pupal phase. Mortality rate of caterpillars fed with leaves of G100H reached 78% at 21 DAA or at the imago phase. Thus, botanical insecticide and SlNPV vegetable could increase effectiveness of resistant soybean in controlling the armyworms.

Stabilitas Hasil Jagung Hibrida Silang Tunggal Andayani, Nining Nurini; Sunarti, Sri; Azrai, Muhammad; Praptana, R. Heru
Jurnal Penelitian Pertanian Tanaman Pangan Vol 33, No 3 (2014): Desember 2014
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Genotype x environment interaction is of major concern to the plant breeder in developing new varieties. The present research objective was to evaluate the agronomic performance and yield stability of hybrid maize in eight locations during dry season. A randomize block design with three replications was applied to the experiment in each location. The combined analyses of variance showed that hybrid x location interaction effects were highly significant for all characters, except for number of rows per ear. Hybrid test Hybk-03 showed the highest grain yield in all locations, except in Maros and in Pandu, and did significantly higher than both check varieties in Bajeng, Muneng, Sleman and Bligo. There was no hybrid indicating stable yield in all locations based on AMMI 2 and Biplot analyses, but five hybrids were indicating specific adaptation. The specific hybrids adaptation was as follow: Hybk-02 in Bajeng, Hybk-03 in Bajeng and in Bligo, Hybk-09 in Bajeng and in Sleman, DK 3 and Bima 2 in Bajeng and in Pandu.

Penerapan Teknologi Produksi Jagung Melalui Pendekatan Pengelolaan Tanaman Terpadu Pada Lahan Sawah Tadah Hujan margaretha, margaretha; Syuryawati, Syuryawati
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Corn production technology development through the approach of Integrated Crop Management (ICM) has been implemented in the village Mandalle, District Mandalle, Pangkep, South Sulawesi from 2005 to 2008. In 2009 in daearah development conducted research to determine the level of corn production technology application in paddy field rainfed and socio-economic impact on local communities, particularly farmers who are engaged in research and development. The results showed that of the nine components of the technology are socialized at the farm level, only fertilizers and spacing have not been applied in real time, medium varieties, land preparation, drainage, water supply, weeding, eradication of pests / diseases and the use of tools sheller real effect until very real. In the review of the farmer's perception of the nine components of the product technology of corn, seven of them rated good. Land use after the rice harvest with corn still applied to farmers with a profit of Rp 3,045,354 / ha of hybrid varieties BISI and Rp 4,555,283 / ha of open pollinated varieties Lamuru, thereby increasing farmers' income from 31.0 to 46.7%. In addition to economic benefits, planting corn after harvest of rice in the rainfed areas can also reduce unemployment and urbanization, the formation of social and economic institutions such as land rental services, equipment rental services pipil, partnerships and corn growers group.

Pengaruh Kombinasi Aplikasi Insektisida dan Varietas Unggul terhadap Intensitas Serangan Kutu Kebul dan Hasil Kedelai Inayati, Alfi; Marwoto, Marwoto
Jurnal Penelitian Pertanian Tanaman Pangan Vol 31, No 1 (2012): April 2012
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

The whitefly, B. tabaci Gennadius, is an important soybean pest causing yield losses up to 100%. No effective method was available to control this pest. Integrated control methods using combinations of insecticide and tolerant soybean varieties are expected to give good results on controlling the whitefly. An experiment was carried out, arranged in a split plot design with two factors and three replications during the dry season (DS) I and DS II of 2010 at Muneng Experimental Farm, Probolinggo, East Java. The main plots were the insecticide applications and the sub plots were 6 soybean varieties. Results of the experiment showed that application of 2 ml/l profenofos 500 g/l at 14 and 21 days after planting (DAP) followed with combination of 1 ml/l lamdasihalotrin 106 g/l and tiamektosam 141 g/l at 28, 35 and 42 DAP reduced whitefly population by 50%. The use of insecticides to control pest also reduced soybean yield losses up to 81% in DS I and 29% in DS II. Soybean variety Anjasmoro was very susceptible to the pest and was not recommended to be grown in the whitefly endemic area. The use of tolerant varieties such as Gepak Kuning, Gepak Ijo, Kaba, Wilis, and Argomulyo produced yields of about 1.52 t/ha. The combination of insecticides application and tolerant varieties reduced soybean yield losses up to 58%.

Deteksi Varietas Padi Menggunakan Gelombang Near Infrared dan Model Jaringan Saraf Tiruan firdaus, jonni
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Rice seeds is one of the important components in increasing rice production. Nowdays, there are many varieties that had been created. Each variety has the advantage based on itsÂ assembly destination. A large number of varieties can cause errors in seed processing, storage and distribution, because the physical shape and size are almost similar and the appearance is very difficult to distinguish. The alternative to detect rice seed varieties are using near infrared (NIR) as sensors and artificial neural network (ANN) as a data processor. This research aims to study the NIR spectroscopy and ANN for detecting varieties of rice seed. NIR reflectance (1000-2500 nm) of 12 varieties were given pretreatment data such as first derivative, second derivative, normalization and standard normal variate. The pretreatment data ware used as input in ANN models. Each variety was consist of 12 samples and the weight of each sample was 40 grams. ANN model used was backpropagation multilayer perceptron with three layers as input, hiden, and output. Network weights ware estimated using gradient descent algorithm. The study showed that the form of NIR spectra was similar among varieties but had different absorption in intensity, so it could be used for determining the rice seed varieties. The best model was an ANN with standard normal variate pretreatment as input data.Â The accuracy varieties prediction was 100% for traning, 99.1% for testing and 98.1% for validation. This research showed that theÂ NIR spectra and ANN model can be used for detection methods in rice varieties.

Perbedaan Karakteristik Fisik Edible Film dari Umbi-umbian yang Dibuat dengan Penambahan Plasticizer Yulianti, Rahmi; Ginting, Erliana
Jurnal Penelitian Pertanian Tanaman Pangan Vol 31, No 2 (2012): Agustus 2012
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Starch is suitable for edible film, although the film produced is brittle. A study on preparation of edible film from starches of four tuber crops with the addition of plasticizers was conducted at the Chemical and Food Technology Laboratory, of the Indonesian Legumes and Tuber Crops Research Institute (ILETRI), Malang, from March to July 2009. The trial was arranged in a randomized complete design with three replications. The first factors were four difference tuber crops (cassava, edible canna, sweet potato, and arrowroot) and the second factors were two kind of plasticizers (glycerol and sorbitol, each at a concentration of 2% v/w starch). Observations were done on chemical and physical properties of the starches as well as physical characteristics of the edible film produced. Results showed that the interactions between starches and plasticizers significantly influenced colour, tensile strength, and elongation of the edible film. However, the effect of plasticizer on thickness of the edible film was not significant. Arrowroot and cassava starches that have the highest whiteness levels produced edible films with the highest brightness values (L*). Edible films from the four tuber crops starches had similar thickness (0.02-0.03 mm). The arrowroot starch added with either sorbitol or glycerol produced edible films with the highest values of tensile strengh and elongation (1.7 N and 2.6%, and 1.5 N and 2.6%, respectively), indicating for good physical performances of edible films. These characters were followed by starch of sweet potato that was treated with sorbitol or glycerol.

Seleksi Jagung Inbrida dengan Marka Molekuler dan Toleransinya terhadap Kekeringan dan Nitrogen Rendah Efendi, Roy; Musa, Yunus; Bdr, M. Farid; Rahim, M. Danial; Azrai, M.; Pabendon, Marcia
Jurnal Penelitian Pertanian Tanaman Pangan Vol 34, No 1 (2015): April 2015
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Information on genetic diversity, homozygosity, drought stress and low N tolerance of maize inbred line are useful for parental selection in developing maize varieties tolerant to drought and low N. The objectives of this study were (a) selection for homozygoes lines and analysis of genetic diversity among 51 maize inbred lines applying simple sequence repeats (SSRs) using thirty six markers (b) selection for inbred lines (homozygosity over 80%) for drought and low nitrogen (N) tolerance. Experiment was conducted using split-split plots design with three replications. Water treatments were as the main plots (well-watered and drought stress conditions), subplots were nitrogen fertilization at rate of 75 and 150 kg N/ha and the sub-sub plots were 51 inbred lines. The results showed that there were broad ranges of genetic variability among inbred lines with genetic similarity coefficient values ranging from 0.22 to 0.87 and polymorphism information content average was 0.57. Thirty inbreds having homozygosity over 80% were spread into six heterotic groups. Drought tolerance inbreds were in heterotic groups C and F, namely DTPYC9-F46-3-9-1-1-B and 1044-30, the drought medium tolerance in heterotic group A and B, namely CML 161/NEI 9008 and MR 14. Inbred for low-N fertility tolerance was in the heterotic group D namely G20133077, while medium tolerance to low-N fertility inbreds were in heterotic group A, B, C, D, and F, and they were CML 161/NEI 9008, CY 11, CY 15, CY 6, CLRCY039, Nei9008, DTPYC9-F46-1-2-1-2-B, G2013627, G2013649, 1044-30. Inbreds tolerance to both medium drought and to low-N fertility were in heterotic group C and F they were DTPYC9-F46-1-2-1-2-B and 1044-30. Inbred lines of maize tolerant to drought and to low-N fertility can be used as parent to develop hybrid or synthetic varieties, posessing stress tolerances, by cross recombination between heterotic groups.

Skrining Salinitas Padi Mutan Insersi Pembawa Activation-Tagging pada Fase Perkecambahan Zannati, Anky; Widyastuti, Utut; Nugroho, Satya
Jurnal Penelitian Pertanian Tanaman Pangan Vol 34, No 2 (2015): Agustus 2015
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v34n2.2015.p105-111

Insert mutation is a method in the functional genomicsÂ analysis, using Ac and Ds transposable elements that capable ofÂ transposing genes in plant genome, including rice. Using suchÂ method, it is possible to identify functional genes, such as abioticÂ stress tolerance genes in rice plant. The objectives of this researchÂ were to screen activated-tag mutant rice for tolerance to salinityÂ stress. Seventy-five lines were chosen from a 1,000 fast screeningexperiment to identify mutant responsive to salinity stress. TheÂ mutant was validated in three screening batches (A, B and C) atÂ germinating stage in Yoshida solution containing 200g/L NaCl.Â Three potential tolerant mutants, with the highest vigor index wereÂ identified from each batch. Insertion analysis of the nine mutantsÂ showed that the activator/dissociation (Ac/Ds) elements were stillÂ present in the genome, based on the bar and hpt marker genes asÂ identified from the positive PCR.

Interaksi Genotipe x Lingkungan untuk Hasil Gabah Padi Sawah Sitaresmi, Trias; Gunarsih, Cucu; Nafisah, Nafisah; Nugraha, Yudhistira; Abdullah, Buang; Hanarida, Ida; Aswidinnoor, H.; Muliarta, I.G.P.; Daradjat, Aan Andang; Suprihatno, B.
Jurnal Penelitian Pertanian Tanaman Pangan Vol 35, No 2 (2016): Agustus 2016
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Grain yield of rice is determined by genotype (G), environment (E), and interaction between genotype x environment (G x E). Variety can achieve its maximum yield potential if it is grown in suitable environments. This study was aimed to determine the adaptability and the yield stability of rice genotypes grown in different environments. Sixteen rice genotypes were tested using RBD in 16 sites during the wet season of 2010/2011, and dry season of 2011. The tested rice lines were developed for resistance to pest and diseases. The experiment unit was 4 m x 5 m of plot, plants were fertilized with urea, SP36, and KCl at rates of 250 kg/ha, 100 kg/ha, and 100 kg/ha, respectively. Variable observed was grain yield per plot. Combined analyses of variance showed that there was no lines yielded higher than did check variety Conde. The AMMI analysis showed that the largest variation was contributed by the environment factors (76.49%), genotype x environment interactions (17.55%), and the smallest was contributed by the genotypes (5.97%). Data exploration using boxplot method indicated that the low contribution of the genotype x environment interaction variance in this study was due to the high degree of similarity of yield potentials among the genotypes, and due to high similarity of environmental conditions of the sites.Based on the analysis of AMMI 2, lines B12743 - MR-18-2-3-8, IPB107-F-82-2-1, and Conde was each classified as widely adapted genotypes, while G8, IPB107-F-27-6-1, and BIO111-2-BC-PIR-3714, each was considered as genotype having a specific adaptation.

Responses of Selected Indonesian Rice Varieties under Excess Iron Condition in Media Culture at Seedling Stage Nugraha, Yudhistira; Ardie, Sintho Wahyuning; Rumanti, Indrastuti A.; Suwarno, Suwarno; Ghulammahdi, Munif; Aswidinnoor, Hajrial
Jurnal Penelitian Pertanian Tanaman Pangan Vol 35, No 3 (2016): Desember 2016
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Iron toxicity could limit rice productivity on irrigated lowland acid and swampy soil. The use of iron toxicity tolerant rice is an alternative strategy to improve rice productivity in these areas. We studied the phenotypic variation of twenty-four rice genotypes and characterized the fate of Fe2+ along its path between the roots and shoot of rice plant. Twenty-four rice genotypes form different agro-ecosystem were grown under agar nutrient solution conditions with 400 mg. L-1 iron stress and under normal condition. We found variation in the biomass accumulation of rice seedling during stress of iron namely, high accumulated biomass tolerant type and low accumulate biomass tolerant type. The relative biomass weight was highly correlated with the leaf bronzing scores (LBS) under excess iron. Based on these categorizations, we chose six genotypes to observe the present of Fe in root and shoot using invivo-staining 2,2 bypiridine. The result indicated that some genotypes were able to develop root and shoot aerenchym during iron stress. This was related to the development on root iron plaque and the iron content of the shoot of the rice seedling. In this present study, rice genotypes could be classified as the includer tolerant type (Inpara 2) and some others were the excluder tolerant type (Mahsuri, Pokkali and Siam Saba). This information on tolerance strategies is important for rice breeder to develop physiological-based breeding program of iron-toxicity tolerant in rice.

Page 17 of 28 | Total Record : 273

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