Evaluation of Fungicides Against Botryodiplodia Theobromae Causing Collar Rot in jatropha Curcas

Jatropha curcas is gaining importance as a biodiesel crop. Among the different diseases affecting jatropha, collar rot caused by Botryodiplodia theobromae is an important one. Very little information is available on the management aspects of this disease. Therefore, different contact, systemic and combi product fungicides were evaluated against Botryodiplodia theobromae. Among the different fungicides tested, mancozeb and propineb (contact), propiconazole and carbendazim (systemic) and Quintal and Saaf (combi product) were found to effective to manage the pathogen under in vitro conditions.