Abstract
Paraquat is an active herbicide used to control weeds chemically. This research aim is to determine the effect of herbicide applications with active paraquat matters on the percentage of weed mortality and the number of soil microorganisms. This research used a non-factorial randomized block design with five levels of treatment, that is P0: control; P1: 5 ml of paraquat in 1 litre of water, frequency of application is once a week; P2: 10 ml of paraquat in 1 litre of water, frequency of application is once a week; P3: 10 ml of paraquat in 1 litre of water, frequency of application is once in two weeks; and P4: 5 ml of paraquat in 1 litre of water, frequency of application is once in two weeks. The results of the observations were compiled in a Variety Checklist and continued with the Duncan Multiple Range Test. The results showed that the dominant weeds in the research plot were Ageratum conyzoides, Mimosa pudica, and Paspalum commersonii.The application of 5 ml/l paraquat herbicide, the frequency of application once a week was effective in reducing weed mortality. However, the use of paraquat did not significantly affect the number of soil microorganisms
Highlights
Salah satu herbisida yang banyak dapat merugikan secara perlahan selama digunakan di perkebunan kelapa sawit dan gulma tersebut hidup berinteraksi bersama karet adalah herbisida berbahan aktif dengan tanaman
The results showed that the dominant weeds in the research plot were Ageratum conyzoides, Mimosa pudica, and Paspalum commersonii.The application of 5 ml/l paraquat herbicide, the frequency of application once a week was effective in reducing weed mortality
Journal of Research in Weed Science, 3(1), 24-35
Summary
Sakiah(1), Guntoro Guntoro(2), Adri Moses Manullang, (3) 1,2,3)Program Studi Budidaya Perkebunan, Sekolah Tinggi Ilmu Pertanian Agrobisnis Perkebunan (STIP-AP), Jl. Abstrak Paraquat salah satu bahan aktif herbisida yang digunakan untuk mengendalikan gulma secara kimia. Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi herbisida berbahan aktif paraquat terhadap persentase kematian gulma dan jumlah mikroorganisme tanah. Penelitian menggunakan Rancangan Acak Kelompok non faktorial, terdiri dari 5 taraf perlakuan yaitu P0 : kontrol; P1 : 5 ml paraquat dalam 1 liter air, frekuensi aplikasi 1 minggu sekali; P2 : 10 ml paraquat dalam 1 liter air, frekuensi aplikasi 1 minggu sekali; P3 : 10 ml paraquat dalam 1 liter air, frekuensi aplikasi 2 minggu sekali; P4 : 5 ml paraquat dalam 1 liter air, frekuensi aplikasi 2 minggu sekali. Hasil pengamatan disusun dalam Daftar Sidik Ragam dan dilanjutkan dengan Duncan Multiple Range Test. Gulma dominan pada plot penelitian yaitu Ageratum conyzoides, Mimosa pudica, Paspalum commersonii. Aplikasi herbisida paraquat 5 ml/l, frekuensi aplikasi 1 minggu sekali efektif menekan kematian gulma. Penggunaan paraquat berpengaruh tidak nyata terhadap jumlah mikroorganisme tanah.
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