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Journal : Journal of Tropical Crop Science

 1 
The Induction of Primary and Secondary Somatic Embryo to Support Arabica Coffee Propagation Ibrahim, Meynarti Sari Dewi; Hartati, Raden Roro Sri; Rubiyo, Rubiyo; Purwito, Agus; Sudarsono, Sudarsono
Journal of Tropical Crop Science Vol 2 No 3 (2015): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (299.45 KB) | DOI: 10.29244/jtcs.2.3.6-13

Abstract

The primary and secondary somatic embryogenesis can be used to propagate Coffea arabica L clonally.  However, the success of this propagation was depended on plant growth regulator and varieties. This study aimed to examine the possibility of 2,4-D and thidiazuron application to form primary and secondary somatic embryo to support Arabica coffee clonal propagation. The study consisted of two activities (1) 2,4-D and thidiazuron Application to Induce Primary Somatic Embryogenesis of Arabica Coffee and (2) The Application of thidiazuron in Solid and Semi-Solid Media to Induce Secondary Somatic Embryos.  The results indicated significant effect of varieties and plant growth regulator on fresh weight, number of torpedo and germinated embryo.  However, it showed no significant effect on callus formation percentage. The best medium to induce primary somatic embryogenesis depending on variety, on the treatment of 4.52 μM 2,4 -D +18.16 μM thidiazuron was the best for AS2K and Sigarar Utang varieties, S 795 at 4.52 μM 2,4-D + 9.08 μM thidiazuron, whereas Kartika at 4.52 μM 2.4-D + 13.62 μM thidiazuron.  The morphology of coffee somatic embryo was normal.  Primary somatic embryo was developed indirectly, whereas the secondary somatic embryo was directly.  The application of 9.08 μM thidiazuron  increased the percentage and number of secondary somatic embryos, hence enhancing number of Arabica coffee planlet. Keywords : Coffea arabica L, 2,4-D, thidiazuron, semi-solid media, Indirect somatic embryogenesis
Genetic Diversity of Yellow and Red Berries Arabica Coffee Populations Grown in a Mix Populations in Garut, West Java, Indonesia, Based on SSR Markers Cahyono, Andy Agus; Ardie, Sintho Wahyuning; Rubiyo, Rubiyo; Sudarsono, Sudarsono
Journal of Tropical Crop Science Vol. 11 No. 03 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.03.207-216

Abstract

Farmers in Garut, West Java, grow mixed varieties of Arabica coffee (Coffea arabica L.). Subsequently, they use harvested beans as seeds. Intercrossing among varieties may result in hybrid progenies and harvesting hybrid progenies as seed results in genetic variations. This research aims to evaluate the genetic diversity of Arabica coffee grown in a mixed population. Ninety-one Arabica coffees comprised 37 Arabica cv. “Ahernt GRT KN” (yellow-), 45 “Sigararutang” (red-), and nine “S795” (red berries) were sampled. Twenty SSR primer pairs were validated using 15 samples representing three varieties; six were polymorphic and used to genotype 91 Arabica accessions. Genetic data were analyzed using PowerMaker 3.25 and Darwin version 6 software. The results showed that the six SSR loci generated from 2 – 3 alleles, with an average of 2.17 alleles per locus. Genetic analysis of Arabica coffee from Garut, West Java, generated SSR markers with an average PIC of 0,33 across loci and varieties. The PIC within Arabica coffee cv. “Ahernt GRT KN” and “Sigararutang” were low, and within “S795” was moderate. Those PICs indicate the presence of more genetic diversity within “S795” than the other two cultivars. The Ho across Arabica coffee cv. “Sigararutang” and “S795” were lower than the He values, confirming their self-pollination nature. However, the Ho values of Arabica coffee cv. “Ahernt GRT KN” was larger than the others, indicating the presence of residual heterozygosity and a low percentage of recent outcrossing. The low Ho values of “Sigararutang” suggest that Arabica coffee is homozygous. Arabica coffee cv. “S795” also showed a low Ho value, but its moderate He value indicates the presence of more genetic diversity than the othercultivars.
Grafting-Induced Phenotypic and Genomic Variations in Cassava (Manihot esculenta Crantz) through Interspecific Compatibility with M. Glaziovi Ulfa, Umi Tahniah; Sudarsono, Sudarsono; Ardie, Sintho Wahyuning; Mulyaningsih, Enung Sri; Hartati, N. Sri; Anjarsari, Nurul Aeni; Dewi, Prita Sari
Journal of Tropical Crop Science Vol. 12 No. 03 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.03.559-571

Abstract

Grafting is a promising approach to enhance cassava (Manihot esculenta Crantz) productivity, particularly in improving tuber yield and quality. Despite its technical simplicity, research on the morphological and molecular consequences of grafting in cassava is limited. This study aimed to quantitatively assess phenotypic differences between grafted and shoot cutting plants and characterize genetic modifications in shoot apical meristems near the graft union. Three splice-grafting combinations were evaluated: M. glaziovii (cv. "Karet")/"Revita RV1" (KR), "Karet"/ "Carvita 25" (KC), and "Carvita 25"/ "Revita RV1" (CR), alongside shoot-cutting plants of each cultivar. Grafted seedlings and conventional cuttings were transplanted to the field, and growth was monitored up to five months after grafting (5 MAG). Shoot bud samples were collected for RAPD analysis at three months (3 MAG). Grafted plants showed differences in morphology compared to controls, especially in branching architecture, branch angle, stem diameter, and internode length. However, the overall plant form and primary stem type remained stable. The color of emerging shoots consistently reflected their genotypic origin, like scion or rootstock, as did the shoot buds nearest the graft union. RAPD analysis using multiple primers revealed polymorphic banding patterns, with OPE-12 producing the most diverse profiles. While specific bands were associated with each cultivar, grafted regenerants often exhibited altered or novel band profiles, suggesting somaclonal variation or graft-induced genetic/epigenetic changes. Some regenerants displayed unexpected band types, such as C1 in R-KR1 and R-KR3, which were absent from their known parental genotypes. Cluster analysis grouped 45 samples into five major clusters and eight subgroups, indicating genetic divergence among certain grafted combinations, particularly "Carvita 25"–"Revita RV1" and M. glaziovii–"Revita RV1". These results demonstrate that grafting can significantly impact cassava phenotype and genome stability. This study shows that interspecific grafting between cassava (Manihot esculenta Crantz) and M. glaziovii can induce significant phenotypic and genomic variations.
Assessment of Yellow and White Fleshed Cassava Tuberous Root Cultivars Reveals Different Responses to Post-harvest Physiological Deterioration Rahmawati, Rika Sri; Fathoni, Ahmad; Sukma, Dewi; Ardie, Sintho Wahyuning; Sudarsono, Sudarsono
Journal of Tropical Crop Science Vol. 11 No. 01 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.01.64-73

Abstract

Identification of post-harvest physiological deterioration (PPD) tolerance in cassava is crucial, as PPD significantly hampers the cassava tuberous root industry by shortening storage periods post-harvest and diminishing product quality. Characteristics linked to PPD tolerance encompass high carotenoid levels and low dry matter content (DMC). This study aimed to evaluate the PPD responses of six yellow fleshed and ten white-fleshed cassava tuberous roots and determine the source of PPD tolerance. PPD and DMC assessments were conducted using standard methods at three storage periods: 2, 5, and 10 days after harvest (DAH). The k-means clustering analysis revealed six clusters, each corresponding to distinct PPD symptom patterns and tolerance statuses. Cluster 1, comprising three yellow-fleshed and three white-fleshed cassava cultivars, demonstrated PPD tolerance with minimal symptoms up to 5 DAH. Clusters 2 and 3 exhibited a moderate PPD response with elevated symptoms at 5 DAH, comprising three yellow-fleshed and three white-fleshed cassava cultivars. Clusters 4 to 6 displayed a sensitive response to PPD, showcasing a significant increase in symptoms at 5 and 10 DAH, with four white-fleshed cassava cultivars identified within this cluster. These findings underscored the presence of PPD tolerance in both yellow-fleshed and white-fleshed cassava tuberous roots. The correlation between PPD and DMC was significant only at 2 DAH, displaying a moderate positive correlation. Consequently, this study identified three cultivars, “Carvita-25”, “Manggu”, and ““Ubi Kuning””, with high DMC and low PPD incidence at 5 DAH, suggesting their suitability for further breeding programs.
Co-Authors , Agustiansyah , Rustikawati , Sukendah , Triadiati , Witjaksono . DARMAWAN . Giyanto . Iskandar . Kurniati . Suwardi A. Farid .Hemon Abad, Hulud Abd. Kadir Abdul Madjid ABDUL RACHMAD BUDIONO Achwan, Muhammad Ade Mariyam Oklima Ade Mariyam Oklima Ade Wachjar Ade Wachjar Adisyahputra Adisyahputra, Adisyahputra Afandi, Muhammad Yusron Afifulloh, Afifulloh Agung Endro Nugroho Agung Wahyu Susilo Agus Purwito Agus Rachmat Agustini, Rika Yayu Ahmad Fathoni Ahmad Musaddad, Ahmad AHMAD RIDUAN Ahmad Surkati Ahmad, Evi Aksar, Prinob Alfian, Hamzah Ali Husni Amalia, Fadila Amarullah, Muhamad Roffi Ambarwati, Sinta Devi Amelia, Septiyan Nur Aminur Aminur Aminuyati Ananta, Puja Asti Andeas, Andeas Andrie Al Kausar Anita Yuliyanti Aniversari Apriana Anjarsari, Nurul Aeni Anneke Pesik Ansyori, Ansyori Anugrah, Ridho Anwar, Aswaldi Apriliani, Elisa Aprizal Zainal Arfan Nazhri Simamora Arief Hidayat Arif, Mochamad Syaiful arifin tahir Aris Munandar Ariswan, Ariswam Arrosyadi, Muhammad Ilham ASMONO, DWI Aspiana, Endah Asri, Hendri Rahmayani Atang Sutandi Atmitri Sisharmini Ayu Amelia Azhar Nuh, Fuad Bachtera Indarto, Bachtera Bachtiar, Iyas Muzalif Badrut Tamam Bahar Bahar, Bahar Bambang Heliyanto Bambang S. Purwoko BAMBANG SUGIRI Barahima Abbas Bernadetta Octavia Bonadi, Ahmad Budi Santoso, Slamet Budiman Sudia, Budiman Budiwati, Budiwati - C J Soegihardjo Cahyaningrum, Lulik Tri Cahyono, Andy Agus Cartealy, Imam Civi Cartealy, Imam Civi Cecep Kusmana Chairul, Muhammad Christina, Yani Christoph Leuschner Chusni Ansori Clarry Sada Colleen M. Higgins, Colleen M. Darmawan Saptadi Darmawan, Rizqi Wahyu Deka Rotama Desi Pujiati, Desi Desta Wirnas DEWI SARTIKA Dewi Sukma Dhanu, Rusli Didiek Hadjar Goenadi Diky Anggoro Dina Lusianti Dinarti, D DINARTY, DINY Dini Dinarty, Dini DINI NURDIANI Diny Dinarti Djoko Santoso DWI ANDREAS SANTOSA Dwi Asmono DWI HAPSORO Dwi Hapsoro Dwi Riyanti Dwiputra, Adnan Wahyu Dyah Ochtorina Susanti Dyah Tjahyandari Suryaningtyas Edi Guhardja Edwinarta, Caesar Dimas Efendi, A'an Efendi, Aan Efendi, Darda Eka Fajar Rahmani Ekastuti, Zaidatun Elina, Juanita ELSJE T. TENDA, ELSJE T. Endang Pudjihartati Endang Susilawati Endrizal Eneng Fakhrunnisa Enni Suwarsi Rahayu Enung Sri Mulyaningsih Erick Raynalta, Erick Ernata, Yusvidha Eusabinus Bunau Fadli, La Ode Muammar fadoli, hendi imam Fahlefi, Reza Fahmi Astuti, Fahmi Fajar Laksono Suroso Fajri, Adz Dzaa Riaat Fakhrunnisa, Eneng Fatimah, Iim Fatmawati, Nurul Fatsan, Ahmad FETRINA OKTAVIA Fitri Yanti Fredyarini Soedjiwo, Novena Ade Gatot Sutapa Yuliana, Yohanes Gatut Yudoyono Germini Alam Ginting, Tarianna Giyanto . Gontjang Prajitno Grantaka, Akbar Maulana Gusti Ayu Kade Sutariati H Yulipriyanto, H H. M.H. Bintoro Djoefrie HAJRIAL ASWIDINNOOR Hari Pamungkas Hari Sutrisno Harsini ,, Harsini Hartanti, Nenik Diah Hartati, Raden Roro Sri Haryadi Permana Hasanat Uzzahroh, Umi HASIBUAN, HOIRUDDIN Hasriadi Mat Akin Heltty Heltty Heltty, Heltty Hendriyanto, Dennyca Hengky Novarianto Hengky Novarianto Herdhata Agusta Herison, Catur Hernandi, Iman Budi Herwantono, Herwantono Hidayat Pawitan Hiroshi Ehara Hugo Volkaert, Hugo I MADE ARTIKA I Nyoman Nurjaya IBNUL QAYIM IDA HANARIDA SOMANTRI Iflaha, Nurul Iim Fatimah Ika Mariska Ikhsanudin Ikhsanudin Ikhsanudin Ikhsanudin Ikhsanudin Imam Mashudi, Imam Imran, Al Ichlas Indriyati, Lilik Tri Insani, Andi Nur Ipaljri Saputra, Andi Ipaljri, Andi Irawan, Dedy Irfan, Aprian Irman Firmansyah Iskandar Iskandar Ismail Maskromo Ismail Maskromo Ita Nuryana Iwa Sutardjo, Iwa Iwan Permadi Iwan Sasli Iwan Setiawan Izroiel, Rabbenstain JAJAH KOSWARA Jaka Seru Dwi Saputra Jaswadi JASWADI, Jaswadi Juang Gema Kartika Juita, Nirmala Jumanto Jumanto Jumanto Jumanto, Jumanto Jumari Jumari, Jumari Jusman Jusman Kadir, Abd . Khaerunnisa, Aisyah Khoerul Anwar Khursatul Munibah Kukuh Murtilaksono Kukuh Setiawan Kurniasari, Praharisti Kurniawan R. Trijatmiko Kurniawan, Choirul Kusumo Nugroho Kuswanhadi Kuswanhadi, Kuswanhadi La Ode Ahmad Barata Laksmita Prima Santi Latifa, Annisa LATIFAH KOSIM DARUSMAN Lila Yuwana Lila Yuwana Lisa Virdinarti Putra Lollie Agustina P. Putri Lubis, Fatma Hani Luwandi Suhartono M. Herman Maera Zasari Mahrusun, Mahrusun Mamik Indaryani Manalu, Victor Manotar Pademan Marbelisa Briliani Mardikaningsih, Agusti Marenda Ishak S Maria Yosepin Endah Listyowati Mariam Mariam MASKROMO, ISMAIL Masluki, Masluki Mawaddah, Ida Maya Megayani Sri Rahayu MEITY A. TULALO, MEITY A. Memen Surahman Merry Sintia Dewi Meynarti Sari Dewi Ibrahim Miguna, Sarita Misar, Misar Moh. Zaini Muadin, Akhmad Muchammad Ali Safaat Muchlisa M, Dewi Ratna Muchtar, Asmaji Muhammad Arifin MUHAMMAD HASBI Muhammad Hasjim Bintoro Djoefrie Hasjim Bintoro Djoefrie Muhammad Hasyim Bintoro Muhammad Herman MUHAMMAD HERMAN Muhammad Ikhsan Muhammad Kamal Muhammad Machmud Muhammad Syukur Muhammad, Ikram Muhson, Akhmad Mulat, Astuti Musfira, Musfira Musthafa, Annas Rasid Mutia Dewi Yuniati N. Sri Hartati, N. Sri Nanang Endriatno Napitupulu, Tosanov T.P. Narindra, Hawin Neviana Wahyuni Nihayati, Hanik Endang Niniet Indah Arvitrida Nooryanto, Fista Herry NOVARIANTO, HENGKY Nugraheni, Titi Nuh, Fuad Azhar Nur Khayati Nur Wahyudi Nur, Rahmat Nurhajati A. Mattjik Nurmalitasari, Melinda Nurmaya, Alya Nursalam, Nursalam Nurul Khumaida Oktafia, Yeni Omaidi, Omaidi Paat, Johny Christofel Pakpahan, Benhur Pane, Putri Yunita Paulus B.K. Santoso Prihatin, Lilik Prija Djatmika, Prija Prita Sari Dewi Purwaningsih - Purwoko, Agus purwoko, devit Purwoko, Devit Puspitasari, Nurrisma Putra, Adhitya Pratama Putri, Halida Adistya Qodarsih, Inna Anzalina Qosim, Achmad R B Gobel Rachman, Azis Rahmadhani, Tasya Rahman, Wahbi Rahmawati, Rika Sri Rajamanickam, Ramalinggam Ralf G. Dietzgen, Ralf G. Ratnawati Ratnawati Razak, Askari Regina Regina Rehulina Rehulina, Rehulina Renaldi, Muhammad Rizal Reni Indrayanti Rina Wati Rita Lefrida Roedhy Poerwanto Rr Sri Hartati Rr Sri Hartati, Rr Sri Rr. Sri Hartati Rubbi Kurniawan Rubiyo Rubiyo RULLY DYAH PURWATI Rusmayani, Rusmayani RUSMILAH SUSENO Rustan Rykson Situmorang S. Arsyad S. Ilyas Saefudin Saefudin Sahrul, Sahrul Said Harran Saiful Akhyar Lubis Samhuddin Samhuddin, Samhuddin Samidun, Samidun Sandra, Yulia Sari, Nunuk Tujung Sarif, La Sarudin, Sarudin Satriyas Ilyas SATRIYAS ILYAS Satya Nugroho Septanti, Annisya Setiawan, Asep S Setiawan, Rizki Nur Setiowati, Retno Diah Setyaningrum, Diyah Setyarini, Ekaning Setyawan, Anton Afries Setyawan, Fadjar Ramdhani Setyawan, Trinovandhi Shaleha, Niswatun Shandra Amarillis Shinta Hadiyantina Sholeh Avivi Sidiki, Mey Wulansari Silaen, Jonni Haonangan Sintho Wahyuning Ardie Siregar, Vicentius P. Sisworo, Widjang Herry Siti Mufidah siti nurlela Siti Sunarintyas SOEKISMAN TJITROSEMITO Sri H. Hidayat Sri H. Hidayat Sri H. Hidayat Sri Hastutiningrum Sri Indarto Sri S. Harjadi Sri Soenarsih DAS Sri Wening Stephanie Wilamarta Sudari, Sudari Sudibyo Martono Sudirman Yahya Sudirman Yahya SUDJINDRO SUDJINDRO Sudradjat , Sughiandi, Rachmad Sugianto, Pingkan Sugiri, Bambang Sugiyanta Suhandoyo Suhartini Suhartini Suhermanto, Totok Suhirman, Suhirman Sukendah S, Sukendah SUKENDAH SUKENDAH, SUKENDAH Sumali Wiryowidagdo Sumarni Sumarni Surmiyati Surmiyati Suryo Wiyono Susilo Indrawati Susilo Indrawati Sutji Rochaminah Suwargana , Nana Suwarto, Visia Assyafira Suweni Muntini, Melania Suyatno Suyatno Swastika, Maria Swastika, Maria Syafa'at, Rachmad Syafaruddin Syafaruddin Syafi`ullah, Alfian Syarif Husin Tamaulina Br Sembiring Tambunan, Brio Gideon Tarigan, Sabarita Taufik, Beatrice Ellen TENDA, ELSJE T. Tengku Riza Zarzani N Teuku Tajuddin TINCHE, nFn Tri J. Santoso Tri J. Santoso Tri Joko Santoso Tri Joko Santoso Tri Rini Nuringtyas Tyaningrum, Annisa Mayang U.S WIRADISASTRA Ucu Sumirat UJANG KHAIRUL Ulfa, Umi Tahniah urai salam Utomo, Abet Yudho Uzzahroh, Hasanat vyta andri setyo utami Wahdaniyah, Gusti Wahyu Wahyu Wajdi, Muhammad Warsiyah Warsiyah, Warsiyah Wening Enggarini Widiatmaka Widodo Widodo Wipsar Sunu Brams Dwandaru Wisilayasa, I Gede Darma Wiwik Kusmawati, Wiwik Wiwin Ambarwulan Yadi Setiadi Yanti Sri Rejeki Yobel, Christian Yudiwanti Wahyu E. Kusumo Yuliati - Yulis Setiya Dewi Yundari, Yundari Yuni Wibowo Yusnita Yusnita Yustinus Yustinus, Yustinus Yusuf, Rinto Zahalim Zahalim Zahalim, Zahalim