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Journal : Kultivasi

Successful shoot tip grafting of cacao (Theobroma cacao L.) due to the application of plant growth regulators on various concentrations Sari, Wulan Kumala; Utami, Nia Putri
Kultivasi Vol 23, No 1 (2024): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v23i1.46246

Abstract

Cacao plays an important role in the Indonesia economy. Therefore, its production and area expansion have to increase to achieve maximum cacao productivity by the quality and superior cacao clones. Shoot tip grafting is one of the propagation methods to obtain superior cacao plants by applying Plant Growth Regulators (PGRs). Research on the effect of several PGRs with various concentrations on cacao (Theobroma cacao L.) shoot tip grafting was conducted at the Integrated Innovation Farmer Group, Belubus, Sungai Talang Village, Guguak District, Lima Puluh Kota Regency, West Sumatra from February until June 2022. This study aimed to determine the interaction between PGR type and concentration on the grafting success and growth of cacao shoot tip grafted seedling. The research was designed by a Factorial Completely Randomized Design with three replications. The first factor was the type of PGR, i.e., synthetic PGR (BAP), young corn seed extract, shallot extract, and young coconut water. The second factor was the concentration of PGR, i.e., 0%, 25%, 50%, 75% and 100%. The results showed an interaction between PGRs with some concentrations on the number of shoots, shoot length, and leaf length on the grafted cacao seedling. The natural PGR from young coconut water at a concentration of 75% gave the best effect on the number of shoots (3.33 shoots) and shoot length (24.50 cm) of cacao seedling.
The effects of application of biochar from oil palm empty fruit bunches on chemical properties of ultisols and the growth of cacao seedlings Sari, Wulan Kumala; Malik, Panji Abdul
Kultivasi Vol 22, No 2 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i2.46525

Abstract

It is necessary to redevelop cacao (Theobroma cacao L.) commodity due to the decrease of cacao planting areas in Indonesia since the last decade. One of the ways is by providing a growing medium to produce cacao seedlings with good quality, such as by adding ameliorant i.e., oil palm empty fruit bunch (OPEFB) biochar to marginal soil of Ultisols. This research aimed to study and obtain the best OPEFB biochar dose to improve the chemical properties of Ultisols and the growth of cacao seedlings. This research was conducted in the Experimental Field of the 3rd Campus Andalas University from August 2021 until February 2022 using a Completely Randomized Design (CRD) with 5 treatments of OPEFB biochar (0, 60, 90, 120, 150 tons/ha) and 4 replications, each experimental unit consisted of two plants, so that 40 plants were prepared in total. Data obtained were analyzed using F Distribution Test at 5% and further analyzed using Duncan’s New Multiple Range Test (DNMRT) for statistically significant results. The results showed that the application of OPEFB biochar at 120 tons/ha was the best dose to give significant results on the chemical properties of Ultisols (pH, organic carbon, total nitrogen, available phosphorus, exchangeable potassium) and several growth variables of cacao seedlings (stem diameter, leaf length, leaf width, shoot dry weight, and shoot-root ratio).Keywords: ameliorant, biochar, nursery, oil palm empty fruit bunch, Ultisols
Co-Authors . Reflinaldon Abdullah Gymnastiar Achmad Zidan Zulfa Ade Sandri Aditya, Irfan Afiratusabilla, Annisa Agustin, Ayu Wandira Ahmad, Tsabitah Dzahwa Aisyah, Putri Nafisatul Aldo Saputra Alefia Lathifa Hanum Amnurista, Rhadhol Pria Anggana, Farhah Anggraeni, Ludfi Anggraini, Dwi Ulfa Annisa Afiratusabilla Ansharullah, Aziz Anzalia, Qomara Ardiana, Sabila Nurfalah Arta, Dwi Ramasepti Asri, Tiara Anesta Asshari, Latifa Rilla Atika Miftahul Jannah Ayu Wandira Agustin Azani, Chalbi Bifadlika, Faghfirlana Cesa Ardi Fathurahma Chalbi Azani Chyntia Heru Woro Prastiwi Dede Suhendra Dewi Rezki Diah Rosita Dona, Fauzia Dwi Ramasepti Arta Dwi Ulfa Anggraini Ediset, Ediset Edwin Edwin Edwin Edwin Edwin Edwin Egina Safitri Emmi, Riza Faghfirlana Bifadlika Farhah Anggana Fathurahma, Cesa Ardi Fauzia Dona Febrika Dilla Saputri Filza Husna Fitara Aulia Triningtiyas Frilina, Nengsi May Gustian Gustian Gustian Gustian Gustian Gustian Gymnastiar, Abdullah Halimatus Syahdia Hasibuan Hanum, Alefia Lathifa Hasanah, Nafi Atin Hasibuan, Reza Alam Nur Hasnan Habib Hasnan Habib, Hasnan Havira, Izni Haya, Nabila Fadia Husna, Filza Hutahuruk, Santa Brightness Ifmalinda Indra Dwipa Indriani, Ratna Intan Alfrizon Irfan Aditya Irfan Suliansyah Irwin Mirza Umami Ivonny Asri Ivonny Asri Izni Havira Jannah, Atika Miftahul Karjunita, Nike Latifa Rilla Asshari Leslie Selviana Purba Leslie Selviana Purba Ludfi Anggraeni Mahendra, Ravie Malik, Panji Abdul Manggus, Tasya Regina Mitha Saharani Mitra Turahmah Mizan, Irfathil Mufidhatul Muqarramah Muhamad Iqbal Fachri Zulfani Muhammad Aulia Rahman Muhammad Aulia Rahman Muhammad Parikesit Wisnubroto Muhammad Rafki Muqarramah, Mufidhatul Murince, Like Abella Mutiara Ramadhani Nabila Fadia Haya Nafi Atin Hasanah Nelty, Hanny Nadhila Nelvi Kurnia Putri Nengsi May Frilina Nilmala Sari Rangkuti Nofianti, Cici Nuzilatur Rohmah Putri Nafisatul Aisyah Putri, Nelvi Kurnia Qomara Anzalia Rafki, Muhammad Ramadhani, Mutiara Rangkuti, Nilmala Sari Ratna Indriani Ravie Mahendra Reni Dwi Setiawati Reza Alam Nur Hasibuan Rhadhol Pria Amnurista Rhatih Pratiwi Herman Riki Riswandi Riki Riswandi Risa Prima Yelli Riska Agian Putri Riska Agian Putri Rohmah, Nuzilatur Rosita, Diah Rusmanida Rusmanida Rusmanida, Rusmanida Sabila Nurfalah Ardiana Safitri, Egina Saharani, Mitha Sandri, Ade Saputra, Aldo Saputri, Febrika Dilla Sekar Mahkota Trihapsari Cendana Wangi Septian Vivaldi Setiawati, Reni Dwi Siska Efendi Sri Heriza Srilanang, Suai Namun Tasya Regina Manggus Terence, Tristan Tiara Anesta Asri Triningtiyas, Fitara Aulia Tristan Terence Tsabitah Dzahwa Ahmad Utami, Nia Putri Vivaldi, Septian Wangi, Sekar Mahkota Trihapsari Cendana Warnita Winesday Rindu Winesday Rindu Yaherwandi Yelli, Risa Prima Yori Sulistia Yori Sulistia Yulistriani Yulistriani, Yulistriani Yustika, Wildan Zikrillah Zahlul Ikhsan Zulfa, Achmad Zidan Zulfani, Muhamad Iqbal Fachri