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DIAGNOSIS PENYAKIT BUSUK BATANG PANILI (Vanilla planifolia Andrews) DI MINAHASA

Rondonuwu, Frans B. and Paath, Johanna M. and Manengkey, Guntur S. J. and Montong, Vivi B. and Pinaria, Arthur and Assa, Berty H. and Sembel, Dantje T. and Liew, Edward C. Y. (2008) DIAGNOSIS PENYAKIT BUSUK BATANG PANILI (Vanilla planifolia Andrews) DI MINAHASA. Eugenia , 14 (3). pp. 290-299. ISSN 0854-0276

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        Abstract

        The objectives of this research was to know the causing of this disease and their infection mode. Disease diagnosis followed Koch’s postulate, namely: (1) analysis of disease symptom varieties, (2) isolation, purification, and identification, (3) pathogenicity tests, and (4) reisolation. Pathogenicity tests to F. oxysporum and Colletotrichum gloeosporioides by using spraying method of spore suspension, to Fusarium oxysporum, Fusarium solani, Fusarium subglutinans, and C. gloeosporioides by using soil inoculation, and to Rhizoctonia sp and C. gloeosporioides by using inoculum sticking method. All of pathogenicity tests were arranged according to completely randomized design. The fungi which were associated with a diseased vanilla stem tissue, namely: Colletotrichum gloeosporioides, Rhizoctonia sp., Fusarium oxysporum, Fusarium solani,Fusarium subglutinans, Fusarium semitectum, Fusarium pseudograminearum, dan Fusarium proliferatum. Among these fungi only F. oxysporum and C. gloeosporioides as the cause of vanilla stem rot disease. The mode of infection of F. oxysporum only through wounds, and isolates from difference location have shown difference virulence. The inoculum of C. gloeosporioides only infect through wounds. Keywords: Colletotrichum gloeosporioides, Rhizoctonia sp., Fusarium oxysporum, Fusarium solani, Fusarium subglutinans, Fusarium semitectum, Fusarium pseudograminearum, Fusarium proliferatum, Endophyte, Koch’s postulate

        Item Type: Article
        Subjects: S Agriculture > S Agriculture (General)
        Divisions: Fakultas Pertanian > Agroekoteknologi
        Depositing User: Mr. Benhard W. Tampangela, ST
        Date Deposited: 10 Dec 2019 11:00
        Last Modified: 04 Oct 2020 21:39
        URI: http://repo.unsrat.ac.id/id/eprint/2510

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