Patogenisitas Rhizoctonia Solani Kuhn. Terhadap Beberapa Varietas Mentha

NFN Sukamto, Mesak Tombe

Abstract


Pathogenicity of Rhizoctonia solani Kuhn, on some varieties of peppermint.

This experiment was carried out at the Phytopathology laboratory and glass house of the Research Institute for Spice and Medicinal Crops, from May to December 1993. The aim of the experiment was to evaluate the response some varieties of peppermints on pathogenicity of Rhizoctonia solani Kuhn, the casual agent of stem rot desease. The treatments were arranged in a Complete Randomized Design with five treatments and four replicates. The applied treatment were four varieties of Mentha arvenses, i.e. Jombang, Tempaku, Ryokubi, Taiwan and M. spicata species. The result showed that all Mentha varieties were infected by R. solani, under experimental condition. The most severe damage were observed on M. spicata and M. arvensis vat. Ryokubi, followed by  M. arvensis var. Taiwan, M. arvensis var. Tempaku and M. arvensis var. Jombang respectively. The growth of R. solani on M. spicata  leaf extract medium was faster, and thicker than leaf extracts of M. arvensis.


Keywords


Rhizoctonia solani; Varietas Mentha; Minyak atsiri

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DOI: http://dx.doi.org/10.21082/bullittro.v9n2.1994.98-102

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