Abstract
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Abstract Pineapple (Ananas comosus (L.) Merr.) is an important fruit crop in Uganda ranking third as a major fruit crop after banana and citrus globally. However, pineapple production in Uganda is threatened by the recent outbreaks of pineapple heart rot disease (PHRD). Pineapple heart rot disease is the most widespread and devastating disease of pineapple in Uganda and can cause tremendous yield loss. Information on the sources of resistance is still scanty in Uganda. Additionally, no study has been done in Uganda which point out whether variety influences disease severity. Therefore, the objective of this study was to assess the reaction of pineapple cultivars to pineapple heart rot disease in central Uganda. Five cultivars of healthy pineapple suckers were planted in the field in a randomized complete block design (RCBD) to screen for resistance to PHRD. No significant (p > 0.05) difference in PHRD incidence was recorded in week two and week 4 of the experiment. However, there was significant difference (p