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Effect of Tomatine on Termitomyces Fungus in Termitaria of Subterranean Termites Odontotermes wallonensis Wasmann


Affiliations
1 Department of Crop Protection, Imayam Institute of Agriculture and Technology, Kannanur, Thuraiyur, Trichy (T.N.), India
2 Department of Agricultural Entomology, Agricultural College and Research Institute, Killikulam, Tuticorin (T.N.), India
     

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Tomatine is a glycoalkaloid found in the stems and leaves of tomato plants, which has fungicidal properties. This laboratory studies were carried out to find out the efficacy of tomatine on the Termitomyces fungus found in the termitaria of O. wallonensis, it was applied through Difco media for fungal growth. The overall period of observations (15 days) revealed that tomatine 1000 ppm effectively reduced the mean diameter growth of fungus (1.41 cm) followed by tomatine 900 ppm (1.52 cm). The fungal growth of fungus in the standard check carbendazim 500 ppm was 1.32 cm whereas it was 8.17 cm in untreated check. The highest suppression of fungus was noticed in carbendazim 500 ppm (84.59 %) which was on par with tomatine 1000 ppm (83.44 %). Tomatine 900 ppm was also suppressed the fungus effectively at 82.08 per cent. The least mean per cent suppression (68.37 %) was noticed in the lower concentration of tomatine 600 ppm. The per cent suppression of fungal growth was decreased from 5th day to 15th day of observation. This study was supported by many earlier contributions. Finally the result was concluded that tomatine could be used as a termiticide to control fungus growing termites.

Keywords

Tomatine, Subterranean Termites, Termitaria, Termitomyces.
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  • Effect of Tomatine on Termitomyces Fungus in Termitaria of Subterranean Termites Odontotermes wallonensis Wasmann

Abstract Views: 149  |  PDF Views: 1

Authors

R. Nisha
Department of Crop Protection, Imayam Institute of Agriculture and Technology, Kannanur, Thuraiyur, Trichy (T.N.), India
D. S. Rajavel
Department of Agricultural Entomology, Agricultural College and Research Institute, Killikulam, Tuticorin (T.N.), India

Abstract


Tomatine is a glycoalkaloid found in the stems and leaves of tomato plants, which has fungicidal properties. This laboratory studies were carried out to find out the efficacy of tomatine on the Termitomyces fungus found in the termitaria of O. wallonensis, it was applied through Difco media for fungal growth. The overall period of observations (15 days) revealed that tomatine 1000 ppm effectively reduced the mean diameter growth of fungus (1.41 cm) followed by tomatine 900 ppm (1.52 cm). The fungal growth of fungus in the standard check carbendazim 500 ppm was 1.32 cm whereas it was 8.17 cm in untreated check. The highest suppression of fungus was noticed in carbendazim 500 ppm (84.59 %) which was on par with tomatine 1000 ppm (83.44 %). Tomatine 900 ppm was also suppressed the fungus effectively at 82.08 per cent. The least mean per cent suppression (68.37 %) was noticed in the lower concentration of tomatine 600 ppm. The per cent suppression of fungal growth was decreased from 5th day to 15th day of observation. This study was supported by many earlier contributions. Finally the result was concluded that tomatine could be used as a termiticide to control fungus growing termites.

Keywords


Tomatine, Subterranean Termites, Termitaria, Termitomyces.