How Gummy Stem Blight affects Christophene production in Trinidad

Contributed by Aldo Hanel and Naitram Ramnanan, CABI.

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The Northern Range region in Trinidad and Tobago is not only home to the most pristine and untouched areas of the country but it also provides the best agroecological environment for christophene (chayote) production in the country. Follow up from a sample brought to a plant clinic in 2015 revealed that the disease known as Gummy Stem Blight, caused by the fungus Didymella bryoniae, was pervasive in christophene farms in the Northern Range. Government reports show that since the outbreak of this disease, christophene production has dropped significantly.

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Tackling pests and diseases in Trinidad and Tobago [Video]

The latest episode of the Tech4agri web series focuses on a number of farmers who attended Plantwise plant clinics in Trinidad and Tobago and received follow-up visits from Plantwise and NAMDEVCO extension workers.

As CABI’s Naitram Ramnanan explains: “We decided to follow up by visiting the farmer in the field and then realised that it was a pervasive problem in the christophene-growing areas of the country.” Plantwise is now working with a group of christophene [chayote] farmers around Brasso Seco to develop sustainable solutions to the pests and diseases affecting their crops.