In vitro evaluation of different fungicides and plant extracts against Botryodiplodia theobromae, the causal agent of quick decline of mango

An in vitro evaluation of the effect of Topsin M, Daconil, Copper oxychloride and Mancozeb fungicides against the mycelial growth of Botryodiplodia theobromae, the causal organism of quick decline of mango (Mangifera indica L) revealed that effectiveness of the fungicides increased with increased dosage rate. Topsin M, and Daconil were found to be most effective fungicide, Copper oxychloride was intermediate while Mancozeb was the least effective fungicide in inhibiting the mycelial growth of B. theobromae. Similarly in vitro evaluation of the effectiveness of the extract of neem (Azadirachta indica), garlic (Allium sativum), onion (Allium cepa) and safeda (Eucalyptus camaldulensis) against the mycelial growth of B. theobromae revealed that safeda and neem extracts were the most effective while garlic and onion extracts were comparatively and statistically less effective in inhibiting the vegetative growth of the fungus.