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All Journal Jurnal Fitopatologi Indonesia Jurnal Ilmu-Ilmu Pertanian Indonesia
Bambang Hadisutrisno
Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Medicine & Pharmacology

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Penekanan Perkembangan Penyakit Bercak Ungu pada Bawang Merah oleh Cendawan Mikoriza Arbuskula Marlina Puspita Sari; Bambang Hadisutrisno; Suryanti Suryanti
Jurnal Fitopatologi Indonesia Vol 12 No 5 (2016)
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.091 KB) | DOI: 10.14692/jfi.12.5.159

Abstract

Arbuscular mycorrhizal fungi (AMF) is known to improve the growth of shallot (Allium cepa var. aggregatum) and strengthen the resistance of plants toward disease infection.  This research aimed to find out the roles of AMF in suppressing the development of purple blotch disease caused by  Alternaria sp. on shallot in Caturtunggal, Sleman, Yogyakarta.  Inoculation of AMF either on fertilization of N, P, K or without fertilization treatment resulted on higher plant height and number of leaves compared to those without AMF inoculation. The plant inoculated with AMF had lower purple blotch disease intensity and disease progression than control and fungicide treatment. The result showed that AMF, in addition to act as the bio-fertilizer, is a potential to be a biocontrol agent.
POTENSI TIGA GENUS BAKTERI DARI TIGA RIZOSFER TANAMAN SEBAGAI AGENSIA PENGENDALI HAYATI PENYAKIT LINCAT Heru Adi Djatmiko; Triwidodo Arwiyanto; Bambang Hadisutrisno; Bambang Hendro Sunarminto
Jurnal Ilmu-Ilmu Pertanian Indonesia Vol 9, No 1 (2007)
Publisher : Program Studi Ilmu Tanah Fakultas Pertanian UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jipi.9.1.40-47

Abstract

Objectives of this research were to characterize three genera of bacteria isolated from three of crop rhizosphere, and to measure the ability of the antagonistic bacteria in suppressing lincat disease caused by Ralstonia solanacearum and Meloidogyne incognita. The research showed that the sixth bacteria were able to utilize some carbon and nitrogen compounds, degrade macromolecules, grew at different temperatures and salt contents, and grew at medium with chitin and pectin.  The bacteria isolated from pepper rhizosphere (Pf51, Ba4, Ba22), groundnut (Pf83), and eggplant (S4 dan S7) was included to fluorescent pseudomonads (Pf51 and Pf 83), Bacillus spp. (Ba4 and Ba22), and Streptomyces spp. (S4 and S7).  The sixth bacteria having the ability in antagonist.  The bacteria isolate having the best ability in suppressing Ralstonia solanacearum and Meloidogyne incognita was Streptomyces spp. (S4). The bacteria isolate having the best ability in suppresssing R. solanacearum by antibiosis and the inhibition mechanism by bacteriostatic was S4
Co-Authors Bambang Hendro Sunarminto Heru Adi Djatmiko Marlina Puspita Sari Suryanti, Suryanti Triwidodo Arwiyanto