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Y. Andi Trisyono
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INDONESIA
Jurnal Perlindungan Tanaman Indonesia
Published by Universitas Gadjah Mada
ISSN : 14101637     EISSN : 25484788     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 12 Documents
 1   2 
Search results for , issue "Vol 1, No 1 (1995)" : 12 Documents clear
Konsentrasi PEG 6000 dan Senyawa Aditif Buffer Fosfat yang Diperlukan dalam Pemurnian Soybean Mosaic Virus Y. B. Sumardiyono; Susamto Somowiyarjo; Wuye Ria Andayani
Jurnal Perlindungan Tanaman Indonesia Vol 1, No 1 (1995)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7177.294 KB) | DOI: 10.22146/jpti.9352

Abstract

The objective of study was to determine the concentration of PEG 6000 for precipitation of virus particles, and additive substance added to the resuspension buffer, during the purification of Soybean Mosaic Virus isolated from Yogyakarta. The result showed that precipitation with PEG 6000 of 6 per cent at final concentration, followed by either two or three cycles differential centrifugation and the virus obatained from each centrifugation resuspended in Phosphate buffer 0.05 M contained NaCl 0.1 M added with 0,005 M Na-EDTA, and then subjected to 10-50 per cent sucrose density gradient centrifugation. The purified virus obtained was infective, with the ultraviolet absorption maximum at 260 nm and minimum at 247 nm, ratio A280/A260 was 0.7343. based on extinction coefficient at 260 nm = 2.4, the yield was 0.306 mg/100 g infected leaves. SDS-PAGE indicating that coat protein molecule weight was 29.71 kD.
Propagation and Purification of Baculovirus oryctes Huger Susamto Somowiyarjo; YB Sumardiyono; Sedyo Hartono; Triharso Triharso; Jun Kobayashi
Jurnal Perlindungan Tanaman Indonesia Vol 1, No 1 (1995)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4408.918 KB) | DOI: 10.22146/jpti.9317

Abstract

An isolate of Baculovirus oryctes, a possible biological control agent for coconut beetle (Oryctes rhinoceros Huger) from East Java was propagated and purified. The virus could be transmitted by feeding the imago with 10% sucrose containing virus from homogenate of infected beetles. Effectivity of virus to 9 healthy females by sexual copulation. Virus be succesfully purified by a method of Payne.

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