Fuarium biocontrol Colletotrichum, cocoa, El Salva Minimize

June 2016. An image was sent of Colletotrichum infections on cocoa pods overrun by Fusarium. The question was does anyone know about this? The question was asked by a member from El Salvador.

A member responded: During my research to find naturally occurring fungal antagonists to Botrytis cinerea and Colletotrichum acutatum on wine grape bunches I found two Fusarium species that were antagonistic towards both pathogens. However, the most effective species against C. acutatum was Fusarium chlamydosporum var. fuscum

Another member mentioned that a number of Fusarium spp. have mycoparasitic activity, including against Colletotrichum:

KRAUSS U, Matthews P, Bidwell R, Hocart M, Anthony F (2001)  Strain discrimination by fungal antagonists of Colletotrichum musae: implications for biocontrol of crown rot of banana.  Mycological Research 105, 67-76.

And on cocoa, the following papers:

Ten Hoopen GM, Rees R, Aisa P, Stirrup T, KRAUSS U (2003)  Population dynamics of epiphytic mycoparasites of the genera Clonostachys and Fusarium for the biocontrol of black pod (Phytophthora palmivora) and moniliasis (Moniliophthora roreri) on cocoa (Theobroma cacao).  Mycological Research 107, 587-596

KRAUSS U, ten Hoopen M, Rees R, Stirrup T, Argyle T, George A, Arroyo C, Corrales E, Fernando Casanoves F (2013)  Mycoparasitism by Clonostachys byssicola and Clonostachys rosea on Trichoderma spp. from cocoa (Theobroma cacao) and implication for the design of mixed biocontrol agents.  Biological Control 57, 317-327.  DOI: 10.1016/j.biocontrol.2013.09.011

KRAUSS U, ten Hoopen GM, Hidalgo E, Martínez A, Stirrup T, Arroyo C, García J, Palacios M (2006) The effect of cane molasses amendment on biocontrolof frosty pod rot (Moniliophthora roreri) and black pod (Phytophthora spp.) of cocoa (Theobroma cacao) in Panama. Biological Control 39, 232-239.