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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Pertanian Indonesia Biology, Medicine, & Natural Product Chemistry BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Penelitian Pendidikan IPA (JPPIPA) Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Jurnal Pembelajaran dan Biologi Nukleus Community Development Journal: Jurnal Pengabdian Masyarakat Ihsan: Jurnal Pengabdian Masyarakat Jurnal Ilmiah Pertanian ( JIPERTA) Journal of Applied Agricultural Science and Technology Jurnal Natural Journal Liaison Academia and Society
Saipul Sihotang
Universitas Medan Area
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Journal : journal of applied agricultural science and technology

 1 
Effects of Naphthaleneacetic Acid and Kinetin on Chrysanthemum Plantlets in Vitro Saipul Sihotang; Magdalena Saragih; Swati Sembiring; Riduan Sembiring; Dini Puspita Yanty; Denny Akbar Tanjung; Elli Afrida
Journal of Applied Agricultural Science and Technology Vol. 9 No. 4 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i4.315

Abstract

Naphthaleneacetic acid (NAA) and kinetin play a crucial role in plant growth but must be used in correct proportions in order to produce the best outcomes. An optimal combination of both can enhance shoot, leaf, and root growth, whereas inappropriate doses may otherwise inhibit growth due to hormonal imbalance. This study examined the effects of the interaction between NAA and kinetin on the growth of chrysanthemum plants at eight weeks of age. The research was carried out using the Completely Randomized Design (CRD) in triplicate. The medium used was MS medium, supplemented with NAA at concentrations of 0–1.5 mg/L and kinetin at concentrations of 0–3 mg/L. The results indicate that NAA and kinetin positively influenced plant growth, but only when the optimal concentrations were applied. The best combination of NAA at 1.0 mg/L (N2) and kinetin at 3.0 mg/L (K3) produced the best results in terms of height (153 mm), number of leaves (31 leaves), number of roots (26 roots), and fresh weight (5.85 g). Increasing kinetin concentrations (K0-3) generally promoted plant growth, whereas excessive NAA concentrations (> 1.0 mg/L, N3) produced the opposite effect, likely due to toxicity or hormonal imbalance. The interaction between kinetin and NAA exhibited a synergistic effect up to a certain threshold, while excessive NAA application negatively impacted on plant development.
Co-Authors Alfons Dwi Putra Butar-Butar Alifyah, Nabila Angga Ade Sahfitra Asmah Indrawati Asmah Indrawaty, Asmah Azwana Azwana Beatrix Sofranes Napitupulu Betty Saragih, Nur Dedi Holden Simbolon, Dedi Holden Denny Akbar Tanjung Desi Sri Pasca Sari Sembiring, Desi Sri Pasca Sari Dini Puspita Yanty Elinda, Friza Ellen Lumisar Panggabean Elli Afrida Emmanuel Halawa Erwin Pane, Erwin Frisky Purba Ginting, Rajiv Halawa, Emmanuel Haliatur Rahma Hasibuan, Sayyid Al-Fadhil Herliyani, Selvi Hutapea, Sumihar Ida Ayu Putu Sri Widnyani Ika Listiana Imam Alfazri Irfan Suliansyah Ivan Permana Putra Jamsari Jamsari Joseph, Jacqueline Lilis Supratman Lisnasari, Srie Faizah Lita Nasution Mada Triandala Sibero Magdalena Saragih Magdalena Saragih Manik, Prendy Jonringga Mariana, Merlyn Maulana, Bagus Merlan Manurung Meyuliana, Aulia Miranda, Cut Nyak Dara Mochammad Imron Awalludin Muhammad Aldy Nasution, Lita Natalina Tarigan Nur Asyiah Dalimunthe Oktan Dwi Nurhayat Pandiangan, Indera Prabowo Parlindungan Sitepu, David Qohar, Adi Fathul Rahmiati Rahmiati Renfiyeni Retna Astuti Kuswardani Retna Astuti Kuswardani Riduan Sembiring Riyanto Riyanto Rizal Aziz, Rizal Rudy Hermawan Rudy Hermawan SAISA SAISA Saragih, Magdalena Saragih, Nur Betty Saragih, Ryan Sartini Sartini Sembiring, Riduan Sembiring, Swati SERI DEPI Sianturi, Parulian Siburian, Rikson Asman Fertiles Sihombing, Roni Paulus Silaban, Sri Rejeki Siregar, Rahma Sari Siti Mardiana SITI MARDIANA Sitompul, Marco Y. F Suswati Suswati Suswati Swati Sembiring Trizelia Trizelia Yabani, Yabani Yora, Muharama Yosafat Siregar Zulheri Noer