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Original Articles

Development, characterisation and efficacy evaluation of biochemical fungicidal formulations for postharvest control of anthracnose (Colletotrichum gloeosporioides Penz) disease in mango

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Pages 83-95 | Received 17 Dec 2018, Accepted 22 Mar 2019, Published online: 29 Apr 2019
 

Abstract

The objectives of the study are to develop and characterise formulations with volatile molecules in an emulsifiable concentrate form, for their antimicrobial properties and to evaluate their efficacies against Colletotrichum gloeosporioides Penz., to control anthracnose in mangoes after harvest. Results showed EC39 and EC40 among formulations were characterised for their excellent emulsification properties, the droplet size of 192.34 ± 0.48 nm and 227.4 ± 0.71 nm and Zeta potential of −52.5 ± 2.76 mv and −48.84 ± 2.62 mv, respectively, with better storage stability at 10 ± 20 °C and RH 80 ± 5%. In vitro assay, 100% inhibition of visual spore germination by 0.15% and 0.2% MIC value for EC39 and EC40, respectively Studies on the efficacy of their fungicide properties also indicated the IC50 value of 0.161% and 0.162% for EC39 and EC40 respectively for mycelial growth inhibition. In vivo testing too, EC39 and EC40 effectively controlled anthracnose incidence in mango in a dosage-dependent manner.

Disclosure statement

As the corresponding author, on behalf of all my co-authors, I declare that there is no conflict of interest for publication of this manuscript of the reported work.

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