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Susi Handayani
Prodi Agribisnis Fakultas Pertanian Universitas Ratu Samban
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Bioherbisida Berbahan Ekstrak Air Dari Organ Batang Ratun Tanaman Sorgum Yang Dibudidayakan Di Lahan Inceptisols Edi Susilo; Parwito; Dia Novita Sari; Eny Rolenty Togatorop; Susi Handayani; Hesti Pujiwati; Wismalinda Rita
Agriculture Vol. 19 No. 1 (2024): Jurnal Agriculture
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/agrotek.v19i1.6697

Abstract

Alelopati merupakan istilah yang mengungkapkan kejadian alami dari penghambat kimiawi oleh tanaman yang menghambat pertumbuhan tanaman di sekitarnya. Sumber ekstrak yang berasal dari batang ratun tanaman sorgum dari varietas berbeda mempunyai potensi bioherbisida yang berbeda. Penelitian ini bertujuan untuk menguji ekstrak air organ batang ratun tanaman sorgum yang dibudidayakan di lahan Inceptisol terhadap perkecambahan test plant. Berangkasan sebagai bahan ekstrak air disiapkan pada Pebruari sampai Juni 2023 di Kandang Mas Kota Bengkulu dan uji bioassay dilakukan Juli 2023 di Bentiring Permai Kota Bengkulu. Penelitian menerapkan rancangan acak lengkap faktor tunggal. Perlakuan yang diterapkan yaitu kontrol, batang Super 2, batang Suri 4, dan batang Ketan, Unit percobaan berupa cawan petri, dan percobaan diulang empat kali. Metode Penerapan metode bioassay pada cawan Petri pada percobaan ini. Setiap cawan petri diberi 10 ml ekstrak air, 25 biji kacang hijau varietas Vima 1 ditanam dan diinkubasi tiga hari. Hasil penelitian menunjukkan bahwa ekstrak air yang berasal dari ratun batang Super 2 khususnya dan semua perlakuan ekstrak air dari batang ratun sorgum (Ketan dan Suri 4) pada umumnya mampu menghambat perkecambahan test plant tertinggi dibanding dengan kontrol. Kata Kunci : batang, bioassay, ekstrak, Inceptisols, ratun
Potential Of Aqueous Extracts From Weeds And Food Crops In Oil Palm Plantations As Bioherbicides Susi Handayani; Andreani Kinata; Edi Susilo
AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Vol 11 No 2 (2024)
Publisher : UNIVED Press, Dehasen University Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/agritepa.v11i2.7039

Abstract

Purpose: This study aims to test water extracts derived from weeds and plants in oil palm plantations on the germination of test plants. The extract was prepared from June to July 2024 in Arga Makmur, North Bengkulu Regency, and the bioassay test was conducted from July to August 2024 in Pematang Gubernur, Muara Bangkahulu, Bengkulu City. Methodology: The study used a single-factor, completely randomized design. Twenty-one treatments were applied, namely, the source of extracts from broadleaf weeds, grass weeds, and teki weeds of 5 types each, as well as the control. The experimental unit was a Petri dish, and the experiment was repeated four times. The petri dish bioassay method was applied in this experiment. Each petri dish was given 10 mL of water extract, and 25 mung bean seeds of the Vima 2 variety were planted and incubated for three days. Results: The results showed that water extracts derived from weeds and plants in oil palm plantations significantly affected almost all variables. Findings: Water extracts that inhibit the germination of the highest test plants come from broadleaf weeds, namely Ageratum conyzoides, Chromolaena odorata, Stenochlaena palustris, Wedelia trilobata, and Amaranthus sp. Food crop groups are Oryza sativa, Manihot esculenta, Ipomoea batatas, and Vigna radiata. Grass weeds were Leersia hexandra and Eleusine indica, and no weeds were in the weed class. Novelty: This study provides insight into the potential of allelopathy sourced from weeds and food crops. Originality: This study offers a detailed analysis of the bioherbicidal effects of weed and food crop extracts on seed germination or test plants. Conclusion: Aqueous extracts of broadleaf weeds dominated the inhibition of seed germination and have great potential as bioherbicides. Document type: empirical research article. Keywords: weeds; oil palm plantations; extract sources; food crops; bioherbicides
Effect Of Concentration And Frequency Of Rice Washing Water Liquid Organic Fertiliser On Tomato Plant Growth And Yield Laksamana Widodo; Tatik - Raisawati; Susi Handayani
AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Vol 12 No 2 (2025)
Publisher : UNIVED Press, Dehasen University Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/agritepa.v12i2.9219

Abstract

Purpose : The objective of this study was to evaluate the effect of various concentrations and application frequencies of liquid organic fertilizer (LOF) from rice washing water enriched with coconut water on the growth and productivity of tomato plants. Methodology : A factorial randomised complete block design was employed with three concentrations (1:5, 1:10, 1:15) and three fertilisation frequencies (two, three, and four applications). Growth and yield parameters such as plant height, leaf number, stem diameter, flowering age, fruit number, fruit diameter, and fruit weight were measured. Result : Results indicated that a 1:10 concentration significantly affected stem diameter and accelerated flowering, while four fertilisation applications yielded the fastest flowering. No significant interaction between the two factors was observed. Findings suggest that a 1:10 dilution combined with four applications provides the most favourable outcome for flowering. Novelty : The novelty of this research lies in the utilization of rice washing water, a household waste, enriched with coconut water as liquid organic fertilizer (LOF), along with the simultaneous evaluation of concentration and application frequency on the vegetative phase and tomato yield. Originality: The originality of this research is reflected in its environmentally friendly approach using locally available organic materials as an alternative to reduce reliance on chemical fertilizers in tomato cultivation. Conclusion : The study highlights rice washing water-based LOF as a sustainable alternative to enhance tomoto production. Type of Paper : Research article.
Co-Authors Andreani Kinata Andreani Kinata Andreani Kinata Bambang Wijaya Kesuma Dia Novita Sari Dia Novita Sari Dia Novita Sari Dia Novita Sari Edi Susilo Eny Rolenti Togatorop Eny Rolenty Togatorop Eny Rolenty Togatorop Fuji Lestari HESTI PUJIwATI Hesti Pujiwati Hety Novitasari Indra Warman Laksamana Widodo Lusi Puspitasari M. Zulkarnain Yuliarso Mita Lestari Novita Hamron Oktamalia Oktamalia Parwito Parwito Rita, Wismalinda Tatik - Raisawati Tatik Raisawati Tatik Raisawati Wismalinda Rita