Full Length Research Paper
Abstract
The compatibility of some commercial botanicals (Biospark, Phytophrate, Exodos, Biodos and Neemgold) and of solvent extracts of Syndrella nodiflora, Premna tomentosa, Vitex negundo, Ipomea carnea, Pteridium aquilinum (leaves) andAnnona squomosa (seeds) with Beauveria bassiana (Bals.) Vuil., Isaria (Paecilomyces) fumosorosea (Wize) Brown et Smith and Lecanicillium(Verticillium) lecanii Humber in vitro was studied using dual plate and liquid bioassays. The results showed that Biospark. Phytophrate and Exodos highly reduced the mycelial growth of B. bassiana, P. fumosorosea and V. lecanii, respectively. Irrespective of the fungi tested, A. squomosa ethanol and I. corneawater extracts had maximum and minimum growth inhibiting activity against three fungi, respectively. Hence, these extracts can be integrated along with these fungi in the biointensive integrated pest management (BIPM) programme.
Key words: Compatibility, entomopathogenic fungi, plant-based biopesticides, plant extracts.
Abbreviation
BIPM, Biointensive integrated pest management; IPM, integrated pest management; PDA, potato dextrose agar; NSKE, neem seed kernel extract;SMYA, sabourad maltose agar enriched with 1% yeast extract
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