Aktivitas Ekstrak n-heksana Babadotan (Ageratum conyzoides L.) Subfraksi B Pada Berbagai Konsentrasi Terhadap Pertumbuhan Gulma Bayam Duri (Amaranthus spinosus L.)

نویسندگان

چکیده

Abstrak : Penggunaan herbisida umumnya dilakukan sebagai langkah praktis dalam mengendalikan gulma. Namun, penggunaan secara terus menerus dapat menyebabkan efek negatif terhadap lingkungan. Adapun tujuan dari penelitian ini untuk menguji efektivitas senyawa bioherbisida ekstrak n-heksana babadotan (Ageratum conyzoides L.) subfraksi B pada beberapa konsentrasi pertumbuhan gulma bayam duri (Amaranthus spinosus L.). Penelitian menggunakan rancangan acak lengkap pola non faktorial dengan uji lanjut DNMRT taraf 5%. Konsentrasi yang digunakan adalah 2, 4, 6, 8, dan 10%, perlakuan kontrol positif (herbisida 2-4D) (aquades). Hasil aplikasi memberikan pengaruh sangat nyata tinggi gulma, diameter batang, luas daun duri. Ekstrak 2% efektif menghambat duri.Kata Kunci A. conyzoides, Ekstrak, n-heksana, Konsentrasi. Activity of Extract n-hexane Babadotan Subfraction at various cocentrations on the growth Spinach Weed L.)Abstract. The use herbicides is generally done as a practical step in controlling weeds. However, continuous can cause negative effects environment. purpose this study was to test effectiveness bioherbicide compound extract subfraction several concentrations spinach thorn weed This used completely randomized design with non-factorial pattern further 5% level. were and positive control treatment (2-4D herbicide) results that application compounds gave very significant effect height, stem diameter, leaf area spinach. concentration effective inhibiting weed.Keywords Extract, n-hexane, Concentration.

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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.v7i4.22381