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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 9 Documents

Search results for , issue "Vol 1, No 1 (2017): April 2017" : 9 Documents clear

Pemanfaatan Pembenah Tanah dan Mikroba Pelarut P untuk Meningkatkan Efektivitas Pupuk NPK pada Usahatani Jagung di Lahan Kering Masam Soelaeman, Yoyo; Maswar, Maswar; Haryati, Umi
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Maize farming on an acid upland soil generally gives high priority to the use of chemical/NPK fertilizers. Application of organic soil amendments and P (phosphate) solubilizing microbes in maize farming on an acid upland soil were expected to substitute the use of NPK fertilizer without reducing the yields. The research aims was to study the effectiveness of biochar, cow dunk and P solubilizing microbes applications to substitute NPK fertilizers application as shown on the growth and productivity of maize (var. P 27), Relatively Agronomic Effectivenes (RAE) and B/C ratio. The research was conducted from January to June 2014 on an acid upland soil at Tamanbogo Experimental Farm, East Lampung District using randomized block design with four replications. The treatment consisted of Control (T1), NPK fertilizer recommendation dose (T2); biochar 5 t/ha + 50% of NPK recommendation dose (T3); P solubilizing microbes 5 g/plant + 50% of NPK recommendation dose (T4); Cow dunk 5 t/ha + 50% of NPK recommendation dose (T5) and biochar 5 t/ha + P solubilizing microbes of 5 g/plant + cow dunk 5 t/ha + 50% of NPK recommendation dose (T6). The results showed that the combination of NPK fertilizer at a dose of 50% of NPK recommendation + cow dunk at a dose of 5 t/ha (T5), showed the best growth and productivity of P27 maize with B/C ratio of 2.10.

Mikroanalisis Kandungan Senyawa Fenolik Total Ekstrak Biji Kedelai dengan Reagen Folin-Ciocalteu Yusnawan, Eriyanto; Utomo, Joko S
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

One of the roles of phenolic compounds is as chemical defense system to inhibit the growth ofpathogen infection.Folin-Ciocalteu (FC) reagent is used to estimate total phenolic compounds spectrophotometrically. Microanalysis of the phenolic compounds using FC reagent is still limited.This study, therefore, aimed to develop a rapid method to estimate total phenolic compounds insoybean seed extract in a 96-well microplate. Optimum kinetic reaction was achieved after 90minutes of incubation. Response of 25 â€“ 1.000 Âµg ml-1 of gallic acid was linear (r = 0.99). Hundredsof samples could be analysed using the microplate 2 format in limited time, such as when workingwith soybean germplasm collection.

Korelasi Hasil dan Komponen Hasil Padi Hibrida di Dua Lokasi Pengujian Kartina, Nita
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

One of the objectives in rice breeding is to increase grain yield. The research was to evaluate numbers of hybrid rice genotypes and also to obtain the information about grain yield correlation main, grain yield component from numbers of hybrid rice genotypes and influencial character as selection criteria. The experiment conducted in the second season (MT II) of 2013 at Cilacap, Central Java province and in Malang, East Java province by using Randomized Complete Block Design (RCBD) with four replications. The genetic materials used were 18 hybrid rice genotypes and two check varieties namely Hipa8 and Ciherang. The results showed that grain yield had been effected by location, genotypes and both interactions. Hipa8 give yield average 9 t/ha while Ciherang 8.78 t/ha. There were two hybrid rice genotypes have equal yield statitistically with both check varieties. The hybrids were A7/BH25B-1B(9.13 t/ha) and IR58025A/CRS516 (9.15 t/ha). Based on path analysis numbers of empty grain, seed set, plant high and number of productive tillers have direct effect to yield with path coefficient of 0.0437; 0.3114; 0.,1952 and 1.931.These characters could be used as selection criteria.

Perakitan Varietas Padi Adaptif pada Tanah dengan Kandungan Fosfor Suboptimum Hermanasari, Rini; Ardie, Sintho Wahyuning; Suwarno, Suwarno; Ghulamahdi, Munif; Aswidinnoor, Hajrial
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Adaptive rice varieties on P sub-optimum condition can be used by farmer to resolve the high macro fertilizer used, these varieties should be applied on rice field with P low input. Phosphor deficiency decreasing potentiality of result, therefore needs to develop rice promising lines that adaptive with P Sub-Optimum condition. The objective of this researched is to generate rice lines that adaptive on field with P sub-optimum condition and optimum through rice lines selection on the availability of difference P condition. The materials used are two population generation of F3, IR6008023/Bernas Prima and Gampai/Progol. The researched held at experiment station Muara, Bogor and Leuwiliang, West Java,Â started from April 2012 untill December 2014. F3 generation planted on P sub-optimum condition at Muara station, until obtained F4 and F5 population generations. Population of those two generations has been selected using bulk modification method and planted on environment conditions of P optimum (36 kg ha-1Pâ‚‚Oâ‚…)Â and sub-optimum (without P fertilizer) so that generate F6 population generation. Rice lines 160 of F6 generation selected by panicle weight characteristic per hill. Those rice lines evaluated on two production environment, P optimum and P sub-optimum. Experiment on F6 generation was done using Augmented design. The result of the experiment shows that selection of bulk modification method effecive towards production environment of P optimum andÂ P sub-optimum. The potential yield of promising rice lines more gained from Pop 1 population (IR6008023/ Bernas Prima), while tolarance on P sub-optimum condition gained from Pop 2 population (Gampai/Progol). 5 promising rice lines with high yield on P sub-optimum production environment are : B1451E-PS-40, B1451E-PS-21, B1452E-PS-48, B1452E-PS-43 and B1452E-PS-8, whereas rice lines with high yield on P optimum are: B1452E-PO-13, B1451E-PO-27, B1452E-PO-45, B1451E-PS-44 and B1452E-PO-8.

Evaluasi Galur-galur Padi Pup1 terhadap Cekaman Kekeringan Wardoyo, Suwaji Handaru; Miftahudin, Miftahudin; Moeljopawiro, Sugiono; Prasetiyono, Joko
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Drought, acidity, and P deficiency are problem in rice production in Ultisol soil in Indonesia. Pup1 locus in rice plant, besides has a role in uptaking P nutrient, was suspected to improve resistant to biotic and abiotic stresses, including drought. BC2F6 lines derived from Situ Bagendit cross containing Pup1 locus had been developed through Marker-assisted Backcrossing method, and had been tested for P fertilizers and resistance to blast. This research was aimed to evaluate the effect of Pup1 locus to drought stress condition. The study was divided into two experiments, namely test of polyethylene glycol (PEG) 8000 and test of root penetration ability test (DTA). The experiment was conducted at the Greenhouse of Indonesian Center for Agricultural Biotechnology and Genetic Resources Research and Development, from November 2012 until May 2013. The number of lines used in this study was 52 lines, consisted of 24 lines of BC2F6 Situ Bagendit Ã— Kasalath (= SK), 22 lines of Situ Bagendit Ã— NIL-C433 (= SN), three parents namely Situ Bagendit (recurrent parent), Kasalath, and NIL-C433, two tolerant controls for drought namely Cabacu and Gajah Mungkur, and one sensitive control for drought IR20. The research used a completely randomized design for test PEG 8000 and a split-split plot design for test of root penetration ability.Â Results showed that maximum PEG 800 concentrations for drought stress study on rice was 20%. Pup1 locus was more tolerant to drought stress in PEG 8000 experiment through its longer roots and plumules. Pup1 locus gave a positive effect on root penetration ability, with longer roots and more penetrating wax layer. Pup1 locus also showed tolerant to drought on Ultisols soil, as indicated by an increasing dry weight of root and shoot than those of parent without Pup1 locus.

Komponen Hasil dan Karakter Morfologi Penentu Hasil Kedelai pada Lahan Sawah Tadah Hujan Hakim, Lukman
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Yield component and morphological characters determining grain yield of soybean on rainfed land after rice cultivation. Twelve soybean varieties were evaluated on rainfed wetland after rice in Grobogan, Central Java, during the late dry season of 2014. The experiment was arranged in randomized block design with four replications. Each of the genotype was grown in five rows of four and half meters long. Plant spacing was 40 cm x 15 cm, each hill contained two plants. Result showed that among the yield components, number of pods per plant, seed size and harvest index were positively correlated with grain yield (r = 0.530; 0.376 and 0.608). The direct effect of pods per plant (x5), seed size (x6) and harvest index (x8) to grain yield as indicated by path coefficient were the highest (x5 = 0.813, x6 = 0.540, x8 = 0.901), while the effect of other yield components were small or negative. Based on both analyses, soybean genotypes with high grain yield should have high number of pods per plant (>40 pods), large seed size (>15 g/100 seeds) and high harvesting index (>50%). Therefore, pods per plant, seed size and harvesting index can be used as selection criteria on rainfed wetland after rice in the late dry season. Although the direct effect of days maturity to grain yield was small, but early maturing varieties should be consider to be used as selection criteria, because on rainfed wetland during the late dry season soil moisture often is uncertain. Therefore, early maturing varieties can be more useful under this condition to minimized yield losses due to drought stress.

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.

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.

Durabilitas Resistensi Varietas Unggul Jagung Terhadap Penyakit Bulai dari Spesies Peronosclerospora Maydis Pakki, Syahrir
Jurnal Penelitian Pertanian Tanaman Pangan Vol 1, No 1 (2017): April 2017
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v1n1.2017.p37-44

The research of the durability of maize high-yielding variety resistance towards downy meldew from the Peronosclerospora maydis species aims to discover the durability of maize high-yielding variety resistance towards Downy mildew P. maydis. This research was conducted in Kediri, East Java particularly in downy mildew endemic area, from pathogen which causes P. maydis. There are 10 new high-yielding varieties that were tested. The experiment was compiled in group plan with 3 rehearsals. Every patch size are 5 x 4, the plant space is 75 x 20 cm, the population each patch is 90 plants. At the age of 10 days after the cultivation, the plants were supplied with mixed basic fertilizer from urea, ZA, SP-36, and KCI in which their amount are 100 kg, 100 kg, and 100 kg/ha. At the second and third fertilization on the 30th and 45th days after the cultivation, the plants were supplied 100 kg urea/ha each fertilization period. The result show that the variety of Bima 5, HJ 21 Agritan, Bima-14 Batara dan Bisi 19 URI which previously had a high characteristic of resistance towards downy mildew performed low resistance durability or turned to be vulnerable with downy meldew infection approximately 62 % - 77,25 %. In contrast, the variety of Bima-3 Bantimurung, Bima -20 URI, Bima 15 Sayang and Lagaligo composite maize indicated higer resistence durability with downy mildew infection approximately 13,59 % - 20,39 % in vulnerability comparison (Anoman) reached 100%. The systemic influence of the characteristic of resistance durability also appeared on the production variable and weight of 1000 seeds.Â

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