Uji Aktivitas Bioherbisida Ekstrak Metanol Teki (Cyperus rotundus L.) Terhadap Pertumbuhan Bayam Duri (Amaranthus spinosus L.)

نویسندگان

چکیده

Abstrak. Ekstrak umbi teki terbukti mengandung senyawa yang berpotensi alelopati karena mampu menghambat pertumbuhan gulma bayam duri. Pelarut merupakan faktor penting dalam proses ekstraksi senyawa. digunakan adalah metanol bersifat polar, dapat menarik polar dan nonpolar. Penelitian ini bertujuan untuk mengidentifikasi aktivitas ekstrak pada beberapa konsentrasi terhadap dilakukan di Laboratorium Ilmu Gulma Jurusan Agroteknologi, Pendidikan Kimia Fakultas Keguruan Rumah Kasa Kebun Percobaan Pertanian, Universitas Syiah Kuala, Darussalam Banda Aceh, dari bulan Juli hingga Oktober 2021. memakai Rancangan Acak Lengkap pola non faktorial dengan 6 perlakuan terdiri kontrol positif (2,4-D 0,686 kg b.a.ha-1); negatif (aquades) 5%; 10%; 15%; 20%. 3 kali ulangan. Hasil penelitian memperlihatkan bahwa 20% menekan tinggi konsentasi 10% jumlah daun diameter batang duri umur 28 HSA (hari setelah aplikasi). uji fitokimia menunjukkan steroid, alkaloid, fenolik flavonoid terkandung dalamnya.Bioherbicide Activity Test of Methanol Extract Nutsedge Purple (Cyperus rotundus L.) Againts the Growth Weed Spiny Amaranth (Amaranthus spinosus L.)Abstract. purple tuber extract was proven to contain compounds that have allelopathic potential because it is able inhibit growth thorn spinach weeds. The solvent an important factor in compound extraction process. used methanol can attract and nonpolar compounds. aim this study identify activity nutmeg at several concentrations on weed. This research conducted Science Laboratory, Agrotechnology Department, Chemistry Education Teacher Training Educational Sciences, Experimental Garden Screening House, Faculty Agriculture, Kuala University, from July October a completely randomized design with non-factorial pattern. treatments consisting positive control (2.4-D 0.686 negative 5% nutsedge extract; repetitions. results showed concentration suppress height weeds reduce number leaves stem DAP (days after application). phytochemical test contained steroids, alkaloids, phenolics flavonoids.

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ژورنال

عنوان ژورنال: Jurnal Ilmiah Mahasiswa Pertanian

سال: 2022

ISSN: ['2614-6053', '2615-2878']

DOI: https://doi.org/10.17969/jimfp.v7i4.22071