KITINASE Bacillus thuringiensis SAHA 12.08 SEBAGAI AGENS BIOKONTROL PENYAKIT HAWAR DAUN PADA TANAMAN KELAPA SAWITMuhammad Asril / Nisa Rachmania Mubarik / Lecturer Theses, 2014Kitin merupakan komponen penyusun utama dinding sel cendawan, miselium dan spora. Curvularia affinis dan Colletotrichum gloeosporioides merupakan cendawan patogen penyebab penyakit bercak daun dan hawar daun pada pembibitan kelapa sawit yang menyebabkan penurunan terhadap nilai jual, sehingga perlu ... |
Partial purification of bacterial chitinase as biocontrol of leaf blight disease on oil palm/ / , 2014Chitin is a major component of fungi cell wall, mycelia, stalks and spore which can be hydrolyzed by chitinase. This study was conducted to measure the ability of chitinase producing bacteria in degrading chitin of fungal pathogens such as Curvularia affinis and Colletotrichum gloeosporioides. These... |
Assay of Antagonistic Bacteria of Single Isolate and Combination to Control Seedling-off in Chili Seed caused by Fusarium oxysporum/ / , 2014Single isolate and combination of chitinolytic and non-chitinolytic bacteria were assayed to know their ability in reducing chili seedling-off caused by Fusarium oxysporum. Eight antagonistic bacterial isolates i.e. Bacillus sp. BK13, Alcaligenes sp. BK14, Enterobacter sp. BK15, Citrobacter sp. B... |
Kemampuan Bakteri Tanah Dalam Menghambat Pertumbuhan Ganoderma boninense Dan Fusarium oxysporum Secara In Vitro Dan Uji Penghambatan Penyakit Layu Fusarium Pada Benih Cabai MerahMuhammad Asril / Dwi Suryanto / Lecturer Theses, 2012Penelitian tentang Kemampuan Bakteri Tanah dalam Menghambat Pertumbuhan Ganoderma boninense dan Fusarium oxysporum Secara In Vitro dan Uji Penghambatan Penyakit Layu Fusarium Pada Benih Cabai Merah telah dilakukan di Laboratorium Mikrobiologi, Departemen Biologi FMIPA USU, Medan dari bulan April 201... |
UJI POTENSI Bacillus sp. DAN Escherichia coli DALAM MENGHASILKAN INDOLE ACETIC ACID (IAA) TANPA MENGGUNAKAN TRIPTOFAN PADA MEDIA PERTUMBUHAN/ / , 2017Indole Acetic Acid (IAA) is the important phytohormone for boosting plantgrowth promotion. It is related with amino acid tryptophan as a precursor for building IAA. However some bacteria such as Bacillus sp. and Escherichia coli enable to produce IAA without L-tryptophan on culture medium via the... |
Pengaruh Pencucian Permukaan Kaleng Minuman terhadap Keberadaan Bakteri Koliform-Fecal/ / , 2018Latar belakang: Tempat dan kondisi penyimpanan produk minuman kemasan yang baik merupakan salah satu penentu adanya kualitas pada produk minuman kemasan/ kaleng. Keberadaan bakteri akibat kondisi yang tidak sesuai tidak hanya terdapat di air dalam kemasan, tetapi juga terdapat di permukaan kaleng ... |
A systematic survey of plant biodiversity study within the land of Institut Teknologi Sumatera (ITERA)/ / , 2019The conversion of agricultural land and plantation into an area with high human activity can affect the biodiversity contained in it. The biodiversity of a region can be surveyed and collect in a systematic database to know the wealth of flora and fauna resources within a certain period of time. The... |