Effect of Certain Botanicals on the Conidial Germination in Beauveria bassiana (Bals.) Vuill


  • Tamil Nadu Agricultural University, Centre for Plant Protection Studies, Coimbatore, 641 003, India


The use of botanicals for pest management is gaining importance and there is a possibility of integrating the use of botanical pesticides with entomopathogens (Jayaraj, 1980). Information on the compatibility of entomopathogens with insecticies of plant origin is scanty. Earlier, Dirimanov and Angelova (1962) reported that nicotine sulphate, an insecticide of plant origin, at 0.2 per cent was highly inhibitory to the growth of Beauveria bassiana (Bals.) Vuill. in in vitro tests. The present study was carried out with a view to find out the effect of certain botanicals, viz., Ocimum sanctum L., Allium sativum L ., Acorus calamus L., Tribulus terrestris L. as well as neem (Azadirachta indica A. Juss) seed kernel extract and neem oil on the coni dial germination of the entomofungal pathogen, B. bassinana.


Beauveria bassiana, Conidial Germination, Botanicals.

Subject Discipline

Agriculture Sciences

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