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Journal : Jurnal Lahan Suboptimal

Effectiveness of the Ageratum (Ageratum conyzoides) Leaf Extract as Botanical Fungicide Against Twisted Disease of Shallot Rianosa Rianosa; Hartal Hartal; Setyowati Setyowati
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 9 No. 1 (2020): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (340.536 KB) | DOI: 10.33230/JLSO.9.1.2020.436

Abstract

Rianosa R, Hartal H, Setyowati N. 2020. Effectiveness of the Ageratum (Ageratum conyzoides) leaf extract as botanical fungicide against moler diseases of shallot. Jurnal Lahan Suboptimal: Journal of Suboptimal Lands 9(1): 1-10.  Moler is a major disease of onion caused by Fusarium oxysporum f. sp. cepae. Application of synthetic fungicides in the long-term has a negative effect to the environment. Weed leaves of Ageratum (Ageratum conyzoides) have potential to be an anti-fungal, anti-bacterial as well as anti-cancer. This study aimed to determine the best concentration of Ageratum leaf extract to control twisted disease and to compare the effectiveness of botanical fungicide and synthetic fungicide. The research was conducted in June - September 2018 at the Plant Protection Laboratory and greenhouse, University of Bengkulu. The experiment was consists of five Ageratum leaf extract concentrations as a botanical fungicide (i.e. 1%, 2%, 3%, 4%, and 5%), and synthetic fungicide namely mancozeb and metil tiofanat and control treatment (in sterile soil with no fungicide treatment). The experiment used Completely Randomized Design (CRD) with a single factor. Ageratum leaf extract was obtained through the maceration method using ethanol 96%. The application of fungicide was carried out on shallot bulbs before planting. The results showed botanical fungicides from Ageratum leaf extract were effective against twisted disease of shallots, concentration 4% of Ageratum leaf extract resulted in a longer incubation period and lower disease intensity compared to other concentrations, and the effectiveness of Ageratum leaf extract at a concentration of 4% was comparable to that of mancozeb to control twisted disease. Application of both synthetic and botanical fungicide resulted in a higher yield of shallot. Therefore, Ageratum leaf extract has potential as a substitution of synthetic fungicides to control twisted disease of shallots.
Co-Authors - Anggorowati Achir Yani S. Hamid Achmad Basuki Achmad Nizar Hidayanto Agung Waluyo Agustono Agustono, Agustono Ahmad Hilal Madjdi, Ahmad Hilal Aldri Frinaldi Antia Antia Arifah M, Rifdha Atik Hodikoh, Atik Azri Yani Nurman Baju Widjasena Besral . Blacius Dedi Cahya, Anggi Choirul Anam AM Diponegoro Citra Indah Fitriwati Dahlia, Debi Dewani, Mayang Risti Dian Ratna Sawitri Djannah, Nur Dwi Pudjonarko Eka Riyanti Eko Darmanto Elly Nurachmah Elsi Utami Mayor Erlyna Wida Riptanti Etikariena, Arum Evi Martha Fanny Widadie Fitria Handayani Handayani, Fitria Hanny Handiyani Hariyati, Rr.Tutik Sri Hartal Hartal Hasnah, Hanan Nur Hastaning Sakti Hemi Fitriani, Hemi Henny Permatasari Heriandi Sutadi I Gusti Bagus Wiksuana Ika Ratna Palupi Imami Nur Rachmawati Ira Sukyati Isti Khomah Jamhari Jamhari Jamil, Muhammad Dawam Juliastuti, Dyah Kemala Rita Kurniawati, Pindi kurniawati kusnandar kusnandar Kusnaningsih, Aida Kusworo Adi Lestari, Dwi Ayu Puji Lili Fajria Maharani, Marlisa Mario Febrianus Helan Sani Mateus Sakundarno Adi, Mateus Sakundarno Mediati, Ati Surya Mei Tri Sundari Misrawati Misrawati Mohamad Harisudin Mahfud Nafi’ah, Rizka Hayyu Nizar Utami Noor Cholifah Noor Diani Noor, M. Fakhruddin Novy Helena Chatarina Daulima Nur Djanah, Nur Paramashanti, Bunga Astria R. Dwi Budiningsari RA. Koestoer Rahmawati, Veronica Yeni Rais, Anggy Shazia Rianosa Rianosa Rini Rahmayanti Ririn Anantasari Ririn Anantasari, Ririn Rr Tutik Sri Hariyati Ruhayati, Susila Rumdari, Rumdari S., Chiyar Edison Secha, Maulidin Nur Setiawati, Deni Setiono Setiono Siswi Jayanti Sri Kadaryati Sri Karyati Sulasty, Siti Utami Suparyatmo, J.B Susilo Wirawan Su’ad, Su’ad Syahril Ardi Syahrul Tuba Syamsiar, Syamsiar Tifauzah, Noor Tri Budiati Tri Siswati, Tri Tri Sundari, Mei Umi Barokah Umi Sukowati Utami, Siti Budi wardani, ika adhitya Widiyanto, Santo Yoseph Didik Wiwit Kurniawati Wiwit Rahayu Wiwit Rahayu Yati Afiyanti Yayi Suryo Prabandari Yeni Rustina Yulia Irvani Dewi Yustiana Olfah