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All Journal JURNAL PERBENIHAN TANAMAN HUTAN JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Tati Suharti
Balai Penelitian Teknologi Perbenihan Tanaman Hutan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences

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IDENTIFIKASI DAN TEKNIK PENGENDALIAN HAMA DAN PENYAKIT BIBIT KRANJI (Pongamia pinnata) Suharti, Tati; Kurniaty, Rina; Darwiati, Wida
Jurnal Perbenihan Tanaman Hutan Vol 3, No 2 (2015): Jurnal Perbenihan Tanaman Hutan
Publisher : Balai Penelitian Teknologi Perbenihan Tanaman Hutan

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Abstract

Salah satu faktor pembatas dalam keberhasilan tanaman untuk tumbuh optimal yaitu adanya serangan hama dan penyakit. Identifikasi hama dan penyakit penting dilakukan karena berkaitan dengan teknik pengendalian. Tujuan penelitian ini adalah untuk mengetahui jenis hama dan penyakit yang menyerang bibit kranji (Pongamia pinnata) dan teknik pengendaliannya. Metode penelitian meliputi identifikasi jenis hama dan penyakit serta teknik pengendalian dengan menggunakan pestisida biologi dan kimia. Hasil penelitian menunjukan, hama yang menyerang bibit kranji antara lain belalang (Valanga nigricornis), ulat grayak (Spodoptera sp.), ulat jengkal (Hyposidra talaca) dan ulat penggulung (Syllepta sp.) sedangkan patogen yang menyebabkan penyakir hawar daun yaitu Phytophthora sp. Teknik pengendalian hama bibit kranji dengan menggunakan larutan ekstrak biji mahoni atau insektisida Bacillus thuringiensis sedangkan teknik pengendalian penyakit menggunakan larutan ekstrak biji mahoni, larutan ekstrak daun cengkeh atau benomil
DETEKSI BAKTERI PATOGEN TERBAWA BENIH AKOR (ACACIA AURICULIFORMIS A. CUNN. EX BENTH.) Suharti, Tati; Joko, Tri; Arwiyanto, Triwidodo
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 17, No 1 (2017): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (811.395 KB) | DOI: 10.23960/j.hptt.11719-36

Abstract

Detection of seed-borne pathogenic bacteria of northern black wattle (Acacia auriculiformis A. Cunn. ex  enth.). Intensive research of seed-borne pathogen of A. mangium and A. crassicarpa which have been established in industrial timber estate (HTI) was undertaken in Indonesia, while plantings development of northern black wattle have recently been established in the 1990s. Very limited information available on northern black wattle diseases especially seed-borne diseases. The objectives of this study were to identify seed-borne pathogenic bacteria of northern black wattle and the effects on seed germination. Methods for the isolation of bacteria were by seed soaking, seed griding, blotter test, growing-on test on paper and soil. Identification of bacteria by PCR used 63F/1387R primer. The results showed that seed-borne bacteria of northern black wattle were Paenochrobactrum sp., Ralstonia sp., Burkholderia cepacia complex, Pseudomonas stutzeri, Acinetobacter sp., Alcaligenes faecalis, Salmonella bongori, Escherichia hermannii while pathogenic bacteria cause seedling leafspot were Micrococcus luteus and Burkholderia cepacia complex. Burkholderia cepacia complex, A. faecalis, Acinetobater sp., P. stutzeri, S. bongori and Ralstonia sp. reduced seed germination and increased rotten seed, suggested that they were the pathogenic bacteria of northern black wattle seed. Ralstonia sp. significantly increased the percentage of rotten seed and decreased shoot length and root length. P. stutzeri and S. bongori significantly inhibited the root growth. Paenochrobactrum sp. and E. hermannii were assumed as pathogen with weak virulence due to seed germination, the percentage of rotten seed and vigour index were relatively similar to untreated seed.
Co-Authors Budy Wiryawan Naning Yuniarti Tri Joko Triwidodo Arwiyanto Wida Darwiati Yulianti Bramasto