Madras Agricultural Journal
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Evaluation of Botanicals against Phoma tropica Causing Leaf Spot Disease in Lablab purpureus

Abstract

The aqueous phytoextracts of commonly available seventeen plant species were evaluated in vitro by poisoned food technique against their inhibitory effect on the mycelial growth and micro-sclerotial formation in Phoma tropica. The extract of Gando baval (Prosopis juliflora L.) proved excellent in inhibiting mycelial growth and micro-sclerotial production. Extracts of nilgiri, turmeric, marigold. Pink barmasi, tulsi, ardusi, Jetropha, Bougainvillea, karanj, Lantana, onion, ginger, garlic, Dhatura and neem were found slightly inhibitory.

Keywords: Phoma tropica, Botanicals, Lablab purpureus, Leaf spot.

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