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Journal : Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

WE INVESTIGATED THE EFFECT OF SECTOR (POSITION IN CANOPY) ON TRANSLOCATION AND DISTRIBUTION OF 13C-PHOTOSYNTHATES IN  MANGOSTEEN TREES AND RELATED THE FINDINGS TO PREVIOUS ANALYSES OF FRUIT QUALITY. OUR EXPERIMENT WAS CONDUCTED ON THREE 25-YEAR-OLD MANGOSTEEN TREES. TREE CANOPIES WERE DIVIDED INTO 9 SECTORS BASED ON HEIGHT (BOTTOM, MIDDLE, TOP) AND WIDTH (INNER, CENTER, OUTER). ONE BRANCH FROM EACH SECTOR WAS LABELED WITH 13CO2 IN DECEMBER 2003. IMMEDIATELY AFTER LABELING, 13C CONCENTRATION IN Setiawan, Eko; Poerwanto, Roedhy; Fukuda, Fumio; Sugiyama, Nobuo; Saitoh, Kuniyuki; Kubota, Naohiro
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.v40i2.6375

Abstract

We investigated the effect of sector (position in canopy) on translocation and distribution of 13C-photosynthates in  mangosteen trees and related the findings to previous analyses of fruit quality. Our experiment was conducted on three 25-year-old mangosteen trees. Tree canopies were divided into 9 sectors based on height (bottom, middle, top) and width (inner, center, outer). One branch from each sector was labeled with 13CO2 in December 2003. Immediately after labeling, 13C concentration in leaves from middle sectors was higher than that in leaves from other positions. 13C concentration in all leaves decreased rapidly for 24 h after 13C feeding, followed by a gradual decrease. In contrast, 13C concentration increased over time in the pericarp and aril of fruits. Translocation of 13C-photosynthates into fruit was high in Sectors 4 and 5, and in top positions (Sectors 7 to 9). At 96 h after 13C feeding, the highest distribution ratio of 13C-photosynthates was observed in stems, followed in descending order by pericarp, leaf, and aril. 13C distribution ratio in the aril was generally highest in fruits from inner and center positions. The relationship between partitioning of photosynthates and quality of mangosteen fruit, which differs among sectors, has been discussed. Keywords: fruiting positions, Garcinia mangostanaL., photosynthate partitioning, 13C, tree branches
ANALISIS KEDEKATAN HUBUNGAN ANTAR GENOTIPE PEPAYA BERDASARKAN KARAKTER MORFOLOGI DAN BUAH Suketi, Ketty; Poerwanto, Roedhy; Sujiprihati, Sriani; Sobir, ,; Widodo, Winarso D.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 38 No. 2 (2010): 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 (255.631 KB) | DOI: 10.24831/jai.v38i2.1797

Abstract

<!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-1610611985 1073750139 0 0 159 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin-top:0cm; margin-right:0cm; margin-bottom:10.0pt; margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:Calibri; mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"; mso-ansi-language:IN; mso-no-proof:yes;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> A study was conducted to determine the variation and relationships among  papaya genotypes based on morphological and fruit characteristics  in order to produce  high quality papaya fruits. Fruit characterization study is very useful for genotype improvement and genotype classi?  cation of papaya. In this study the morphological characters of 36 genotypes were analyzed to determine their phenotypic variabilities.  The relationships between genotypes based on all of the morphological and fruit characteristics were tested by subjecting the data to multivariate principal component analysis and to cluster analysis. Based on the dendrogram generated from vegetative and generative characters, the 36 genotypes could be grouped into 11 clusters on a threshold of 1.6 and formed 6 clusters on a threshold of 1.8.  The dendrogram was able to explain the close relationship between IPB 5 x IPB 1 and IPB 5 x IPB 4, IPB 2 and IPB 7, IPB 1 and IPB 3 genotype. The scattered diagram of generative variable divided the papaya genotypes into three groups based on fruit sizes i.e small group (IPB 1, IPB 3, IPB 4, IPB 3 x IPB 4, IPB 1 x IPB 9), medium group (IPB 5, IPB 7, IPB 8, IPB 9) and big group (IPB 2, IPB 10).  The IPB 1, IPB 3 and IPB 4 were different from IPB 2 in fruit shapes, petal length of male ?  owers, in? orescence size and fruit length. The hybrid plants obtained from crossings with IPB 10 were different from the other genotypes in the colours of female-, hermaphrodite-, and male ?  ower-lobes. Subsequently the scatter diagrams also revealed that several genotypes i.e. IPB 2 x IPB 6, IPB 1 x IPB 5,  IPB 1 x IPB 9, IPB 5 x IPB 1 and IPB 5 x IPB 2 had superior characters  ideotype similar to IPB 1, IPB 3 and IPB 8 genotypes. Keywords: Carica papaya, hermaphrodite, female, dendrogram, scatter diagram, ideotype
AKUMULASI DAN DISTRIBUSI BAHAN KERING PADA BEBERAPA KULTIVAR KACANG TANAH Purnamawati, Heni; Poerwanto, Roedhy; Lubis, Iskandar; Yudiwanti, ,; Rais, Sri Astuti; Manshuri, Ahmad Ghozi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 38 No. 2 (2010): 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 (202.307 KB) | DOI: 10.24831/jai.v38i2.1793

Abstract

<!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-1610611985 1073750139 0 0 159 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin-top:0cm; margin-right:0cm; margin-bottom:10.0pt; margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:Calibri; mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"; mso-ansi-language:IN; mso-no-proof:yes;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> This research was carried out in April–September 2007. The research objective was to study the dry matter distribution pattern of several peanut cultivars. Twenty cultivars were planted at two different locations, Cikarawang and Sawah Baru Experimental Field but at the same elevation (250 m above sea level). The cultivars were scored according to morphological and physiological characters, total N and total non-structural carbohydrates (TNC), yield and yield components.  There were no statistically differences in pod yield, seed yield and harvest index between the cultivars, but there were differences in dry matter distribution between cultivars. TNC content in stem correlated positively with pod ?  lling. Carbohydrates for pod ?  lling presumed were derived from dry matter accumulation in early pod ?  lling stage. It was concluded that the ideal growing type of peanut are early accumulated dry matter but almost no increase of dry matter accumulation in upper part of plant during seed development. Keywords:  dry matter distribution, pod ? lling, peanut
KARAKTER FISIK DAN KIMIA BUAH PEPAYA PADA STADIA KEMATANGAN BERBEDA Suketi, Ketty; Poerwanto, Roedhy; Sujiprihati, Sriani; Sobir, ,; Widodo, Winarso Drajad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 38 No. 1 (2010): 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 (153.04 KB) | DOI: 10.24831/jai.v38i1.1678

Abstract

The objective of the experiment was to investigate the physical and chemical characteristics of three stadia of maturity based on a range of peel color from green to yellow or based on percentage of the yellow area of fruit peel (stadium 1 = 25-49 % yellow, stadium 2 = 50-74 % yellow, and stadium 3 = above 75 % yellow) on six genotypes of papaya. Each genotype exhibited different days to maturity for each stadium. The fruits of stadium 1, 2 and 3 for IPB 1 were picked at 130, 135, and 140 days after anthesis (DAA); IPB 10A at 160, 165, and 170 DAA;  IPB 1 x PB 174 at 135, 140 and 145 DAA; while PB 174,  IPB 1 x IPB 10A and IPB 10A x PB 174 were picked at 140, 145 and 150 DAA, respectively. The results indicated that peel firmness was affected by maturity stage on female fruit of IPB 10A. Maturity stage affected chemical characteristics of papaya included total soluble solids (TSS) content (IPB 10A, female fruit of  PB 174, female fruit of IPB 1 x IPB 10A, and female fruit of IPB 1 x PB 174), vitamin C content (hermaphrodite fruit of 10 A, female fruit of IPB 1 x IPB 10A) and juice pH (hermaphrodite fruit of  IPB 1).  IPB 1 genotype can be harvested at all stadia of maturity stage. Hermaphrodite and female fruit of IPB 10 A, female fruit of  PB 174, female fruit of  IPB 1 x IPB 10A and female fruit of IPB 1 x  PB 174 genotype would be better harvested at stadium 3 of maturity stage.   Keywords: Carica papaya, papaya genotype, hermaphrodite fruit, female fruit, fruit quality, fruit maturity stage
PENGARUH PACLOBUTRAZOL TERHADAP PERTUMBUHAN DAN PEMBUNGAAN JERUK SATSUMA MANDARIN PADA BEBERAPA KONDISI SUHU Poerwanto, Roedhy; Inoue, Hiroshi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 22 No. 1 (1994): 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 (1952.098 KB) | DOI: 10.24831/jai.v22i1.1650

Abstract

Two experiments were conducted at phytotron to investigate the effects of paclobutrazol on vegetative growth and flower bud differentiation of Sat sum a Mandarin (Citrus unshiu Marc.) grown under different temperature conditions. One-year-old Satsuma Mandarin trees budded onto trifoliate orange rootstocks were used in these experiments. The trees were planted in root observation chamber (Experiment I) or Wagner's pot (Experiment II) in late, March of 1988. In experiment I the treatments were temperature (20 & 30oC) and paclobutrazol (treated and not treated). Paclobutrazol was applied 3 times to the soil at the rate of 0.5 gram a.i. per tree per application. The growth of shoots and roots were observed at 5-day intervals. In experiment II the treatments were temperature (15, 20, 25, 30°C and field condition) and paclobutrazol (sprayed to the leaves, drenched to the soil, and none). Paclobutrazol was applied 3 times; foliar application was 1000 ppm and soil application was 0.05 grams a.i. per tree per application. Temperature treatments were done from June to December, 1988. At the end of the treatments, the trees were defoliated and then exposed to 25°C to observe flower bud development. . Paclobutrazol inhibited shoot and root elongation effectively. Paclobutrazol decreased dry weight of the plant top (trunk, stem and leaves), but increased root dry weight. Paclobutrazol also increased the root diameter by increasing the number of-cortex cells, although the cell diameter was not different. Paclobutrazol affected nutrients distribution; it decreased nutrients in the top part of trees, and increased nutrient in the root. Effects of paclobutrazol in flower bud differentiation was not significant.
POLA KERONTOKAN BUAH TIGA KULTIVAR MANGGA Sakhidin, ,; Purwoko, Bambang S .; Poerwanto, Roedhy; Susanto, Slamet; Yahya, Sudirman; Abidin, Ahmad S.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 32 No. 2 (2004): 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 (1018.035 KB) | DOI: 10.24831/jai.v32i2.1436

Abstract

Information on the pattern of fruit drop of mango is required to determine the appropriate method and time in reducing fruit drop. By this methodf, fruit retention or number of harvested fruit of mango can be increased.The aim of this research was to determine the pattern of fruit drop of Gadung 21, Manalagi 69 and Golek 3 I . The results of this researchs howedt hat the pattern of fruit drop of Gadung2 1, Golek 31 and Manalagi 69 was similar. All cultivars I showed that there was one peak (the highest number of fruit drop) in fruit drop. It occurred at 6 days after anthesis (DAA). After 24 DAA, the number offruit drop was constant, namely near to zero. It occurred until harvest.Key words: Mango, Fruit drop, Fruit set
AKTIVITAS KITINASE DAN PEROKSIDASE DARI EKSTRAK PROTEIN DAUN, AKAR, KALUS DAN TUNAS IN VITRO TRICHOSANTHES TRICUSPIDATA LOUR. Sukma, Dewi; Poerwanto, Roedhy; Sudarsono, ,; Khumaida, Nurul; Wiyono, Suryo; Artika, I Made
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 36 No. 1 (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 (188.991 KB) | DOI: 10.24831/jai.v36i1.1347

Abstract

A number of Trichosanthes species has been reported as a source of bioactive protein associated with defense mechanisms such as chitinase. Chitinase and peroxidase of crude protein extracted from leaves, roots, in vitro calli and shoots of T. tricuspidata had been analysed. Calli were induced on MS medium containing combinations of 1 µM NAA + 1 µM BA  (K1), 2 µM NAA + 2 µM BA (K2), 3 µM NAA + 3 µM BA (K3), or 4 µM NAA + 4 µM BA (K4). Shoots were cultured in MS with 1 mg/l of BA, while leaves and roots were harvested from six-month old plants grown on the field. Results of the experiment suggested that K1-K4 medium could be used to induce calli although weight of calli from all medium composition  was not significantly different (0.19-0.31 g/explant/4 weeks). Calli from K1 medium had the highest of total crude protein content (3.24 mg/ml). The highest of chitinase activity was found in in vitro shoots (6.51 mM pNP/hour/mg protein) and the highest peroxidase activity was in the plant roots (0.25 ? 420/minute/mg protein).   Key words:  in vitro calli, shoots, crude protein, chitinase and peroxidase activities
PENGARUH BATANG BAWAH DAN JENIS TUNAS PADA MIKROGRAFTING MANGGIS (GARCINIA MANGOSTANA) SECARA IN VITRO Handayani, Rd. Selvy; Poerwanto, Roedhy; Sobir, ,; Purwito, Agus; Ermayanti, Tri Muji
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 (385.152 KB) | DOI: 10.24831/jai.v41i1.7076

Abstract

The aim of this study was to investigate the effect of rootstock and shoot types on in vitro mangosteen micrografting.The experiment was arranged in completely randomized design (CRD) with two factors. The first factor was the rootstocktype, i.e. rooted planlet from the germination of quartered seed, and rooted planlet from the germination of undivided seeds.The second factor was the developmental phase of scion, i.e. dormant buds, and flush (had new leaf more than 2-4 mm). Theresults showed that rootstock derived from the germination of undivided seed had a higher success rate than other treatmentson all variables, except for number of new leaves. The use of flush as scion was better than dormant buds; flush resulted in ahigher percentage of successful micrograft and longer shoots. In vitro micrografting had a better growth rate than grafting at the same age. The results of anatomical observation conducted at four months after micrografting demonstrated that there was a good graft union, indicated by excellent fusion between rootstock and scion xylem tissues.Keywords: flush, in vitro, micrografting, rootstock, scion
STUDI PEMBERIAN KALSIUM UNTUK MENGATASI GETAH KUNING PADA BUAH MANGGIS (GARCINIA MANGOSTANA L.) Dorly, ,; Wulandari, Indah; Poerwanto, Roedhy; Efendi, Darda; Tjitrosemito, Soekisman
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 39 No. 1 (2011): 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 (193.751 KB) | DOI: 10.24831/jai.v39i1.13188

Abstract

Gamboge is the main problem in mangosteen agribusiness because it is one of the major factors lowering fruit quality. Calcium is one of the important elements that strengthening cell wall; it is which was binding with the pectin as a middle lamella component. The objectives of the research were to study the effect of calcium application on the presence of gamboge spots, physical, and chemical properties of mangosteen fruit. Trial was conducted in a randomized complete block design with three replications in two consecutive years. The calcium source was dolomite, applied in four different dosages, i.e. 0, 18, 24, and 34 ton ha-1 for the fi rst year and 0, 12.5, 15, and 17.5 ton ha-1 for the second year. The results showed that calcium application raised soil pH and calcium content of the soil, exocarp and mangosteen leaves. Dolomite applications using 18 and 24 ton ha-1 in the fi rst year and 17.5 ton ha-1 in the second year were effective to reduce gamboge spots on the outer part of fruit, however they were not effective to reduce gamboge in aril. Dolomite applications did not increase transversal diameter, fruit weight, total soluble solids, total titratable acids, and ratio of total soluble solids with total titratable acids of the fruits.
REKOMENDASI PEMUPUKAN KALIUM UNTUK TANAMAN NENAS BERDASARKAN STATUS HARA TANAH Safuan, La Ode; Poerwanto, Roedhy; Susila, Anas Dinurrohman; Sobir, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 39 No. 1 (2011): 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 (179.796 KB) | DOI: 10.24831/jai.v39i1.13194

Abstract

Potassium (K) is required in a large amount for plant growth and production of most fruit crops, including pineapple. However, excess application may decrease its growth and production. Therefore, fertilizer application must be site specifi c, based on soil nutrient status and plant requirements. The aims of the research were (1) to determine the soil K nutritional status of pineapple and (2) to determine the optimum dosage of K fertilization for pineapple grown in Sawah Baru, Darmaga, Bogor. The research was conducted using split plot randomized block design with fi ve soil K status as main plots i.e. 0, 70, 140, 210, and 280 kg K2O ha-1 representing status levels of very low, low, moderate, high, and very high, respectively. The sub plot was dosage of K fertilizer i.e. 0, 200, 400, 600, and 800 kg K2O ha-1. The result of the research showed that plant growth and production of pineapple were improved by soil K nutrient status and dosage of K application. The level of soil K nutrient availability was classifi ed into low (<14 ppm K2O), medium (14-50 ppm K2O), and high (>50 ppm K2O). Potassium fertilizer is recommended for the soil with low soil K status of 634 kg K2O ha-1 .
Co-Authors , Dorly , Lizawati , Sakhidin , Sobir , Sudarsono , Trikoesoemaningtyas , Yudiwanti . DARMAWAN . SUDARSONO . SUHARSONO ABDUL MUNIF Abdul Qadir Achmad Surkati AGUS PURWITO Ahmad Ghozi Manshuri Ahmad Ghozi Mansyuri Ahmad S. Abidin Akmal, Ajmir Ali Nurmansyah Anas D Susila Anas D. Susila Anas Dinurrohman Susila ANDRIA AGUSTA Ansyori, . Asmini Budiani Bambang S . Purwoko Bambang S. Purwoko Bambang Sapta Purwoko Cenra Intan Hartuti Tuharea CICIK SURIANI D Fatria Darda Efendi DEDY DURYADI DEWI SUKMA DIDY SOPANDIE Djoko Santoso DORLY DORLY E Efendi, E Edi Santosa Eko Setiawan Endah Retno Palupi Endang Gunawan Fahrianty, Dian Fauziyah Harahap Fumio Fukuda H., Nian Rimayanti HAJRIAL ASWIDINNOOR Hanifah Muthmainnah, Hanifah Heni Purnamawati Hiroshi Inoue I Hidayati, I I MADE ARTIKA I NYOMAN RAI Iman Rusmana Inanpi Hidayati Sumiasih, Inanpi Hidayati Indah Wulandari Iskandar Lubis Jawal Muhammad Anwarudinsyah Juanasri, Juanasri JULIARNI JULIARNI Jumawati, Riana Kasutjianingati . Ketty Suketi Kuniyuki Saitoh Kurniadinata, Odit F. Kurniawan, Vandra La Ode Safuan Latifah K. Darusman LATIFAH KOSIM DARUSMAN Lukman Liferdi Maulana, Mohamad Akhbar Maulana, Mohamad Akhbar Memen Surahman Muhammad Arif Nasution Muhammad Darmawan, Muhammad Nadhirah Karimatul Ilmi, Nadhirah Karimatul Naohiro Kubota Nobuo Sugiyama Nono Sutrisno Nur Wahyu Sariningtias, Nur Wahyu Nurfitri Ramadhani, Nurfitri Nurul Khumaida Odit Ferry Kurniadinata, Odit Ferry Rahmat Budiarto Ramdan Hidayat Rd. Selvy Handayani Resa Sri Rahayu, Resa S Susanto SAMANHUDI, . Septirosya, Tiara Slamet Susanto Soaloon Sinaga Sobir Sobir SOEKISMAN TJITROSEMITO Sri Astuti Rais Sri Yuliani SRIANI SUJIPRIHATI Suci Rahayu SUDIRMAN YAHYA SURYO WIYONO Sutrisno sutrisno T Purnama Tanari, Yulinda Taruna Shafa Arzam, Taruna Shafa Tetty Chaidamsari, Tetty Tiara, Dede Titin Purnama Tri Muji Ermayanti Widodo . Widya Sari Winarso D. Widodo Winarso D.Widodo, Winarso Winarso Dradjad Widodo Winarso Drajad Widodo Y A Purwanto, Y A Yunita, Roza Yunus, Ismadi