In-Vitro evaluation of phytoextracts against Colletotrichum gloeosporioides caused anthracnose disease of custard apple (Annona squamosa L.)

Abstract— The Custard apple or sugar apple (Annona squmosa L.) is one of India’s oldest dry land fruit crop belonging to family Annonaceae and genus Annona. The extract of ten plants part was evaluated against leaf spots by poisoned food technique. Among them, extract of lantana leaves (Lantana camera L.) (81.91%) was proved excellent in inhibiting mycelial growth of the pathogen. Next best in order of merit was bougainvillea (Bougainvillea spectabilis Willd) leaves extract (58.60%), neem (Azadirachta indica Juss). leaves extracts (58.01%), subabul (Leucaena leucocephala Lam) leaves extract (57.68%), garlic (Allium sativum L.) clove extracts (55.20), ashoka (Polyanthia longifolia Sonn.) leaves extract (54.99%) and Simarouba (Simarouba glauca DC) leaves extract (54.78%).