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All Journal Agroekoteknologi Tropika Lembab Jurnal Magrobis
Ni’matuljannah Akhsan
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Agriculture, Biological Sciences & Forestry

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Efektivitas Ekstrak Daun Tumbuhan Bintaro (Cerbera odollam), Bayam Jepang (Amaranthus viridis) dan Paku Perak (Niprolepis hirsutula) Terhadap Ulat Krop Kubis (Crocidolomia pavartata) Syaiful Asikin; Ni’matuljannah Akhsan
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 2 (2020): Agroekoteknologi Tropika Lembab Volume 2 Nomor 2 Februari 2020
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.2.2020.2805.111-117

Abstract

Hama krop kubis (Crocidolomia pavartata) merupakan salah satu kendala budidaya sayuran sawi dan kubis di lahan rawa pasang surut. Salah satu alternatif pengendalian hama adalah dengan menggunakan bahan tumbuhan di lahan rawa pasang surut sebagai pestisida nabati. Penelitian ini bertujuan mengetahui efektivitas aplikasi ekstrak daun bintaro, bayam japang dan paku merah pada hamakropkubis. Hasil penelitian menunjukkan hanya ekstrak daun bintaro yang efektif mengendalikan hama ulat krop kubis. Ekstrak daun bintaro mempunyai zat antifedan dan dalam waktu 60 jam setelah aplikasi, menyebabkan mortalitas ulat krop kubis sebesar 84,00%. Ekstrak daun bintaro mampu menghambat pertumbuhan pupa dan imago. Kesimpulannya yaitu ekstrak daun bintaro (Cerbera odollam), dapat digunakan sebagai pestisida nabati untuk mengendalikan hama krop kubis pada tanaman sayuran sawi.
PENGARUH FREKUENSI PENGENDALIAN GULMA TERHADAP POPULASI GULMA PADA TANAMAN BAWANG MERAH (Bima Brebes) Rosita Wulandari; Encik Akhmad Syaifudin; Ni’matuljannah Akhsan
Jurnal Magrobis Vol. 21 No. 2 (2021): Jurnal Magrobis
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

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Abstract

The purpose of this study was to find the best dosage of Trichokompos fertilizer which gives the best results on shallot plants and to determine the amount or frequency of weed control that affects shallot plants. Kutai Kartanegara Regency, East Kalimantan Province , since November 2019 until January 2020. The research used the Split Plot design 4x5 consisting of 2 factors and repeated 3 times. The First factor is Trichocompos fertilizer (t) consisting of 4 levels, namely (t0) No Fertilization, (t1) 2,5 kg plot-1, (t2) 3 kg plot-1, (t3) 3,5 kg plot-1. The second factor is weed control (g) consisting of 5 levels, namely (g0) without weed control, (g1) once a week equivalent to 8 times weed control, (g2) once a week equivalent to 4 times weed control, (g3) once a week equivalent to 3 times weed control, (g4) once a week equivalent to 2 times weed control. The results showed the effects of weed control on the number of leaves at the age of 40 and 60 dap, the number of tubers showed a significant effect. Plants that are free from weeds will show better growth when compared to those grown with 6.69 tubers of weeds. Then the lowest average result is the treatment of 5.36. Weed control also had a significant effect on weed populations and weed dry weight. It is suspected that there are weed seeds that are buried in the soil during the soil cultivation process causing the seeds to be lifted back to the surface of the soil during weed removal which causes new weeds to grow.
Co-Authors Encik Akhmad Syaifudin Rosita Wulandari Syaiful Asikin