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The Effect of Administering Giberelin PGR snd Nasa POC on The Growth of Plant Seedlings Matoa (Pometia pinnata): Pengaruh Pemberian Giberelin PGR dan Nasa POC terhadap Pertumbuhan Bibit Tanaman Matoa (Pometia pinnata) Lestari, Suci; Fitriani, Dwi; Podesta, Fiana; Suryadi
Nabatia Vol 14 No 1 (2026): June (In Progress)
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/nabatia.v14i1.1693

Abstract

This study aimed to determine the interaction between Giberellin Plant Growth Regulator (ZPT) and NASA Liquid Organic Fertilizer (POC) and their effects on the growth of matoa seedlings (Pometia pinnata). This research was conducted in Talang Giring Village, Lubuk Sandi District, Seluma Regency, Bengkulu Province, from April to June, two-factor Randomized Complete Block Design (RCBD) was used. The first factor was Gibberellin ZPT (Z) with four concentration levels: Z0 (control), Z1 (30 ppm), Z2 (60 ppm), and Z3 (90 ppm). The second factor was NASA POC (P) with three concentration levels: P1 (5 ml/l), P2 (7.5 ml/l), and P3 (10 ml/l). There were 12 treatment combinations, replicated 3 times, resulting in a total of 36 experimental units. The observed parameters included plant height, number of leaves, number of roots, and root length. The analysis results indicated that there was no significant interaction between Giberellin ZPT and NASA POC for all observed parameters. The application of Gibberellin ZPT had a significant effect on plant height at 28 days after planting (DAP) and a highly significant effect on the number and length of roots. Meanwhile, the application of NASA POC had a highly significant effect on the number of leaves at 70 DAP and root length.
PENGARUH KONSENTRASI ZPT ALAMI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SELADA HIJAU (Lactuca sativa L.) PADA SISTEM HIDROPONIK Wulandari, Tri; Podesta, Fiana; Fitriani, Dwi; Harini, Ririn
BUANA SAINS Vol 25, No 3 (2025)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/bs.v25i3.7242

Abstract

The use of natural growth regulators offers a sustainable alternative to synthetic compounds in hydroponic systems. This study evaluates the effect of natural plant growth regulators (PGRs) from coconut water and bamboo shoot extract on the growth of green lettuce (Lactuca sativa L.) in a Deep Flow Technique (DFT) hydroponic system and determines the optimal concentration. The experiment, conducted at BPSIP from October to November 2024, used a Completely Randomized Design (CRD) with nine treatments: a control, coconut water, and bamboo shoot extracts at concentrations of 10, 20, 30, and 40 ml L?¹, with three replications. The results showed that PGR applications did not significantly affect most parameters, including plant height at 21 and 35 days after transplanting (DAT), leaf dimensions, fresh shoot weight, and root weight. However, significant effects were observed on plant height at 28 DAT and leaf number at 28 and 35 DAT. Coconut water at 10 ml L?¹ produced the best response for these parameters. These findings confirm that the effectiveness of natural PGRs in DFT hydroponics is concentration-dependent and that under optimal nutrient conditions, their addition does not consistently enhance lettuce growth.
Co-Authors Adha, Muhammad Ari Risqi Agil Ramadhani Agustina, Rega AJAT, UJANG Andika Saputra Andika Saputra Aning Tri Subeqi Aning Tri Subeqi ANISA FEBRIANA Anton Anton Ardiansyah, Sandy Bernard Gultom Betri Anita Betri Anita Betri Anita, Betri Bintang Agustina Pratiwi Chuzaimah Chuzaimah Diah Khairiyah Dirga Aznan Harahap Dwi Fitriani Dwi Fitriani Dwi Fitriani Dwi Fitriani Edwar Triadi Endang Lastinawati Eva Oktavidiati Franata, Dierzi Frensi Riastuti Frensi Riastuti Haitullah, Hasraf Hanifa, Rifati Hesty Nandya Anggraini Irfan Habib Maulana Irfan, Yuni Irwandi Iskandar Umarie Isnin Kurnia Safitri Isnin Kurnia Safitri Jafrizal Jafrizal Jafrizal Jafrizal Juandi Ananda Kes Monika Sari Kurnia Safitri, Isnin Kurniati, Novitri Ledi Andras Legista Sari M.Aulia Nurdiyanto Mardianti Mardianti, Mardianti Melka Irlando Merliana Idiawati Mirra Sriwahyuni Muhammad Fakhrurozi Abdurrahman Syah Muhammad Hazmi Neti Kesumawati, Neti Ningrum, Yutresa Chaya Ningsih Riani Kurnia Novi Aziz Nugroho, Wempy Nur Hidayah Nur Hidayah Nur Hidayah Nurul Rosidah Nurwiyanto Nurwiyanto Nurwiyoto Oktarina Rahmat Jumri Rahmi Hidayati Rena Wati Riastuti, Frensi Ririn Harini Rita Hayati Rita Hayati Rita Hayati Rita, Wismalinda Riviken, Mantegna Gordi Sandy Ardiansyah Sandy Ardiansyah Sapriani Boru Tumanggor Sinta Utari Violita Siska Melinda Sri Lilestina Nasution Sri Lilestina Nasution Sri Lilestina Nasution, Sri Lilestina Sri Rahmi Subeqi, Aning Tri Suci Lestari Sunaldi Sunaldi Suryadi Suryadi Suryadi Suryadi Suryadi Suryadi, Suryadi Taufik Akbar Tio Dwi Cahyo Tri Wulandari Triputra, Muhammad Ighfahry Tyas, Nurlaili Trianing Usman Usman Usman Valen Heryanto Wahyu Weti Weti Wismalinda Rita Yanti Paulia Yasin, Usman Yawahar, Jon Yeni Yertika Indah Putri Yukiman Armadi Yukiman Armadi Yuni Irfan Yurike, Yurike Yutresa Chaya Ningrum Zulfanur Trirahmah