Penekanan Penyakit Lincat Tembakau Temanggung dengan Streptomyces spp.

https://doi.org/10.22146/jpti.11777

Triwidodo Arwiyanto(1*), Kharis Haryono(2), Achmadi Priyatmojo(3), Toekidjo Martoredjo(4), Gembong Dalmadiyo(5)

(1) Fakultas Pertanian Universitas Gadjah Mada
(2) Fakultas Pertanian Universitas Gadjah Mada
(3) Fakultas Pertanian Universitas Gadjah Mada
(4) Fakultas Pertanian Universitas Sarjanawiyata Tamansiswa
(5) Balai Penelitian Tanaman Serat dan Tembakau
(*) Corresponding Author

Abstract


Streptomyces is one of a soil microorganisms which is rarely used by Indonesian researcher for biological control of planth pathogent. Local isolates of Streptomyces spp. were used in this study to control "lincat disease" of Temanggung tobacco. Ninety four isolates of Streptomyces were tested directly in the field to suppress the development of lincat disease in the field. Six isolates, i.e. Stre-4, Stre-7,Stre-48, Stre-61, Stre-66 and Stre-67 suppressed the disease development with various degree. It was likely that decreasing the concentration of bacterial antagonist gave better protection against the disease. In vitro experiments indicated that there was no correlation between inhibition pathogen in vitro and ability to suppress disease in the field. The result showed that selection of antagonist in vitro based on antibiosis will eliminate the chance to get other potential antagonist.

Keywords


Streptomyces; biological control; tobacco; lincat disease

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References

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DOI: https://doi.org/10.22146/jpti.11777

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Jurnal Perlindungan Tanaman Indonesia ISSN 1410-1637 (print), ISSN 2548-4788 (online) is published by the Department of Plant Protection, Faculty of Agriculture, Universitas Gadjah Mada, in collaboration with Indonesian Entomological Society (Perhimpunan Entomologi Indonesia, PEI) and Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia, PFI). The content of this website is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.  

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