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Safj 2022 02 Hortgro Technical Internal Heat Damage
February / March 2022

Internal heat damage in Laetitia

SA Fruit Journal: February / March 2022

A Hortgro-funded research project investigated the interaction between postharvest practices and the expression of internal heat damage in Laetitia plums. By Anna Mouton

Laetitia is the second-largest plum cultivar in SA according to 2020 figures for area planted and cartons exported. Unfortunately it is also at high risk of heat damage because it matures late in the season. A recent Hortgro-funded project has been looking into postharvest conditions that promote the expression of signs of internal heat damage. We spoke to stone fruit researcher Handré Viljoen of ExperiCo Agri-Research Solutions about the latest results.

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