A Report on occurrence of Lasiodiplodia fruit rot infecting jackfruit in Odisha state SANGEETHA GANESAN*, MINAKSHI PANDA and KUNDAN KISHORE

Abstract

Jackfruit (Artocarpus heterophyllus Lam.) with symptoms new kind of fruit rot was documented during June 2017 and 2018 in germplasm collections maintained at IIHR- Central Horticultural Experiment Station (ICARIIHR) located in Bhubaneswar, Odisha. The brown circular lesions were observed on maturing jack fruits in nine germplasm lines IIHR-B-J-17, IIHR-B-J-19, IIHR-B-J-22, IIHR-B-J-28, IIHR-B-J-29, IIHR-B-J-30, IIHR-B-J-31, IIHR-B-J-32 and IIHR-B-J-35 with the incidence level of 1-4%. The causal agent was identified as Lasiodiplodia theobromae (Pat.) Griff. & Maubl. (Syn. Botryodiplodia theobromae Pat.) based on pathogenicity assay, morphological and spore characters.