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All Journal Bumi Lestari Jurnal Penelitian Pertanian Tanaman Pangan Jurnal Ilmu-Ilmu Pertanian
Fitrahtunnisa Fitrahtunnisa
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Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Energy Environmental Science

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Penularan Penyakit Layu Bakteri dan Hasil Kacang Tanah Lokal dengan Penambahan Dosis Bertingkat Pupuk K Widiastuti, Eka; Fitrahtunnisa, Fitrahtunnisa; Zulhaedar, Fitria
Jurnal Penelitian Pertanian Tanaman Pangan Vol 5, No 2 (2021): Agustus 2021
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v5n2.2021.p143-154

Abstract

Bacterial wilt R. solanacearum is one of the main diseases of peanuts that can reduce crop production. The use of local varieties and plant management can control bacterial wilt disease. Local varieties are one source of germplasm diversity for plant breeding activities. Management such as fertilization is expected to control pests and plant diseases. The aim of the study was to determine the performance of bacterial wilt disease and its effect on the yield of three local peanut varieties in West Nusa Tenggara with the addition of various doses of K fertilizer. The study was conducted at the Narmada Visitor Plot, on 17 January - 29 April 2017. The experiment used a split plot factorial design. The main plots were three varieties of local NTB peanuts, namely local peanuts North Lombok (KLU) (V1), local Bima (V2), and local Pelat (V3). Subplots are four levels of potassium (K) fertilizer dose, namely 0 kg KCl/ha (P1), 20 kg KCl/ha (P2), 40 kg KCl/ha (P3), and 60 kg KCl/ha (P4). Each treatment was repeated five block. The results showed that each local peanut varieties with doses of KCl fertilizer showed bacterial wilt resistance. The lowest transmission of bacterial wilt was in KLU local peanuts with a dose of 0 kg KCl/ha, 20 kg KCl/ha, and 40 kg KCl /ha, Bima at a dose of 40 kg KCl/ha and Pelat at a dose of 60 kg KCl/ha. The application of KCl fertilizer at a dose of 0 kg/ha to 60 kg/ha did not affect the yield and varieties of local peanuts had different weights of 100 seeds in response to the application of K fertilizer, local peanuts KLU and Pelat had the highest weights of 100 seeds at the KCl dose. 40 kg/ha while Bima at a dose of KCl 60 kg/ha.
PERBANDINGAN KEANEKARAGAMAN DAN PREDOMINANSI FAUNA TANAH DALAM PROSES PENGOMPOSAN SAMPAH ORGANIK Fitrahtunnisa Fitrahtunnisa
Bumi Lestari Journal of Environment Vol 13 No 2 (2013)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

AbstractActually, the problem of garbage can be solved by a good management, for exampledecomposition. Decomposition occure as a result of soil fauna activities. This research wasaimed to analyse comparation the diversity and predominance of soil fauna in thedecomposition all kinds of organic garbage. It was designed as an experimental study withgarbage variation were : the agriculture garbage, the cattle faeces, the city garbage, mixtureof agriculture garbage and faeces of cattle, mixture of agriculture and city garbages, mixtureof cattle faeces and city garbage, and mixture of three kinds of garbage. The soil faunaswere collected with Pitfall-traps and soil cores. The diversity indeks (H’) of soil fauna wasanalized by Shannon-Wienner indeks, while the predominance of soil fauna was countedbased on the base of its relative abundance (RA). The highest diversity indeks of soil faunawas found at PTK, H’=3,01, while the lowest was found at P, H’=1,60. The kinds ofpredominant soil fauna were Hypogastrura armata (RA=71%), Carohodes marginatus(RA=54%), Cllohmannia gigatea (RA=30,3%), Phidole sithyesi (RA=19,1%), Suctobelbaobtusa (RA=13,9%), Polyrhachis hauxwelli (RA=9,27), Lepidocyrtus pictus (RA=8,85%),Tetranychus canadensis (RA=7,07%), Narceus americanus (RA=7%), Entomobrya cingula(RA=6,82%), Lasius fuliginosus (RA=5,14%), and Isotomurus tricolor (RA=5,03%).
RESPONS PERTUMBUHAN TIGA VARIETAS PISANG LOKAL TERHADAP ZPT BENZIL ADENIN (BA) SECARA IN VITRO Fitrahtunnisa, Fitrahtunnisa; Aisah, Ai Rosah
Jurnal Ilmu-Ilmu Pertanian Vol. 28 No. 1 (2021): Juli
Publisher : Politeknik Pembangunan Pertanian Yogyakarta-Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55259/jiip.v28i1.56

Abstract

isang merupakan salah satu komoditas buah-buahan yang dapat dikonsumsi sehari-hari. Salah satu kendala dalam penyediaan buah pisang adalah ketersediaan bibit tanaman yang berkualitas. Perbanyakan tanaman melalui teknik kultur jaringan diharapkan dapat menyediakan bibit berkualitas dalam jumlah cepat, banyak dan seragam. Penelitian bertujuan untuk mengetahui respons pertumbuhan tiga varietas pisang lokal terhadap Benzil Adenin (BA) secara in vitro. Penelitian dilakukan di laboratorium kultur jaringan BPTP NTB pada Mei November 2017. Percobaan menggunakan rancangan acak lengkap non faktorial, terdiri dari tiga taraf yaitu pisang telunjuk, pisang tembaga dan pisang susu burik, diulang 15 kali. Anakan pisang yang sehat setinggi 20-30 cm disterilisasi dengan cara pelepahnya dibuang, ditinggalkan mata tunas dan bonggolnya. Eksplan selanjutnya dicuci dengan detergen cair dan dibilas dengan air mengalir, kemudian dipotong sampai ukuran 2 cm3. Eksplan disterilisasi dengan alkohol 70% selama 2 menit, klorox 20% selama 5 menit, dan dibilas 3 kali dengan air steril. Eksplan diperkecil seukuran 1 cm3 dengan menyertakan titik tumbuh lalu ditanam pada media MS tanpa zat pengatur tumbuh, selanjutnya botol kultur diinkubasi pada suhu 25 20C, diberi penyinaran lampu TL 18 watt. Setelah 1 minggu, eksplan dipindahkan ke media dengan formulasi MS+BA 5 mg/l. Pengamatan dilakukan pada akhir percobaan dengan parameter jumlah tunas, tinggi tunas, jumlah daun dan jumlah akar. Hasil penelitian menunjukkan bahwa jenis varietas pisang memberi pengaruh nyata terhadap jumlah tunas, jumlah daun, dan jumlah akar. Secara umum respons terbaik dihasilkan oleh pisang tembaga yang menghasilkan nilai paling tinggi pada parameter jumlah tunas dan jumlah akar berbeda dari varietas lain.
Co-Authors Ai Rosah Aisah Widiastuti, Eka Zulhaedar, Fitria